[Building Sakai] Sites in Admin Workspace slow to render
Wilson, Kimberly
wilsonk at mail.amc.edu
Wed May 21 13:29:19 PDT 2014
I added overflow: auto; to the CSS for the .alertmessage in tool_base.css and that did the trick ☺
Kim Wilson, MSCIS | Systems Analyst – Sakai & IS Academic Systems | Albany Medical Center | 518-264-1055
From: Steve Swinsburg [mailto:steve.swinsburg at gmail.com]
Sent: Wednesday, May 21, 2014 4:25 PM
To: Robert Long
Cc: sakai-dev; Wilson, Kimberly
Subject: Re: [Building Sakai] Sites in Admin Workspace slow to render
Try viewing the html source on that page to see if it's being output. It may be hidden under another element. I have had to increase the size of the login box to cater for extra bits.
As for the kernel and sites source, it sounds like you have the binary. You want to get a full checkout of the source so you don't get conflicts.
Cheers
sent from my mobile device
On 22/05/2014 8:16 AM, "Robert Long" <rlong at unicon.net<mailto:rlong at unicon.net>> wrote:
Kimberly,
That is strange, the .externals file for sakai-2.9.3-all has both modules listed. So I'm not sure what happened there.
Including the dev list on this, as I don’t know the answer to the message question.
—Bob
----
Robert Long
Software Engineer
Technical Account Manager - Sakai
Unicon, Inc.
----
M.A., Instructional Technology
Saginaw Valley State University
On May 21, 2014, at 4:10 PM, Wilson, Kimberly <wilsonk at mail.amc.edu<mailto:wilsonk at mail.amc.edu>> wrote:
We did download *-.all but site and kernel bundles didn’t come across
Also, on another topic:
I was able to successfully modify our xlogin page to have a custom message on our dev server
We want it to be 3 lines
And I modified the auth.properties file here sakai-2.9.3\login\login-tool\tool\src\bundle
On my dev server I did this:
log.invalid = Invalid username and/or password. Please try again. \
If you are unable to login, \
please contact the IS Help Desk at 518-262-5000.
The backslashes created new lines
But when I do it on a different server, it gets chopped off after Please try again and doesn’t give me the other lines.
I can’t figure out how to make it work right, do you?
Kim Wilson, MSCIS | Systems Analyst – Sakai & IS Academic Systems | Albany Medical Center | 518-264-1055
From: Robert Long [mailto:rlong at unicon.net]
Sent: Wednesday, May 21, 2014 2:24 PM
To: Wilson, Kimberly
Subject: Re: [Building Sakai] Sites in Admin Workspace slow to render
You are welcome. For future reference, if you want all of the source code, make sure you download the *-all branch or tag of the version. Fortunately, this is fixed in Sakai 10, as all source will be downloaded by default.
—Bob
----
Robert Long
Software Engineer
Technical Account Manager - Sakai
Unicon, Inc.
----
M.A., Instructional Technology
Saginaw Valley State University
On May 21, 2014, at 9:36 AM, Wilson, Kimberly <wilsonk at mail.amc.edu<mailto:wilsonk at mail.amc.edu>> wrote:
Thanks, one other bundle we didn’t download !
Kim Wilson, MSCIS | Systems Analyst – Sakai & IS Academic Systems | Albany Medical Center | 518-264-1055
From: Robert Long [mailto:rlong at unicon.net]
Sent: Wednesday, May 21, 2014 8:35 AM
To: Wilson, Kimberly
Cc: Steve Swinsburg; Sakai Dev
Subject: Re: [Building Sakai] Sites in Admin Workspace slow to render
Kimberly,
SiteService is located in the kernel. The kernel for the 2.9.3 tag is 1.3.3. The source is here:
https://source.sakaiproject.org/svn/kernel/tags/kernel-1.3.3/
—Bob
----
Robert Long
Software Engineer
Technical Account Manager - Sakai
Unicon, Inc.
----
M.A., Instructional Technology
Saginaw Valley State University
On May 21, 2014, at 7:45 AM, Wilson, Kimberly <wilsonk at mail.amc.edu<mailto:wilsonk at mail.amc.edu>> wrote:
I did find it, I had to download the site bundle; however, I cannot find the file which is being called for the function getSites to locate the query(ies) :
Import org.sakaiproject.site.cover.SiteService
For what Steve explained which is on lines 154-5:
return SiteService.getSites(org.sakaiproject.site.api.SiteService.SelectionType.NON_USER, null, search, null,
org.sakaiproject.site.api.SiteService.SortType.TITLE_ASC, new PagingPosition(first, last));
Kim Wilson, MSCIS | Systems Analyst – Sakai & IS Academic Systems | Albany Medical Center | 518-264-1055
From: Steve Swinsburg [mailto:steve.swinsburg at gmail.com]
Sent: Tuesday, May 20, 2014 9:08 PM
To: Robert Long
Cc: Wilson, Kimberly; Sakai Dev
Subject: Re: [Building Sakai] Sites in Admin Workspace slow to render
Hi,
Maybe you actually have the binary release? Can you show the source code directory? (ls -la)
FYI this is the path to the file:
site/site-tool/tool/src/java/org/sakaiproject/site/tool/AdminSitesAction.java
cheers,
Steve
On Tue, May 20, 2014 at 4:06 AM, Robert Long <rlong at unicon.net<mailto:rlong at unicon.net>> wrote:
Kimberly,
Did you download the sakai-2.9.3-all tag? If not, you’ll have to grab the sites source code from here:https://source.sakaiproject.org/svn/site/tags/site-2.9.3.
—Bob
----
Robert Long
Software Engineer
Technical Account Manager - Sakai
Unicon, Inc.
----
M.A., Instructional Technology
Saginaw Valley State University
On May 19, 2014, at 11:06 AM, Wilson, Kimberly <wilsonk at mail.amc.edu<mailto:wilsonk at mail.amc.edu>> wrote:
> Steve:
>
> I cannot locate the AdminSitesAction.java
>
> I do not see a sites bundle in my Sakai src code for version 2.9.3, only a sites-manage bundle
>
> I searched through the entire src code for AdminSitesAction.java with no luck
>
> Kim Wilson, MSCIS | Systems Analyst - Sakai & IS Academic Systems | Albany Medical Center | 518-264-1055
>
>
> -----Original Message-----
> From: sakai-dev-bounces at collab.sakaiproject.org<mailto:sakai-dev-bounces at collab.sakaiproject.org> [mailto:sakai-dev-bounces at collab.sakaiproject.org<mailto:sakai-dev-bounces at collab.sakaiproject.org>] On Behalf Of sakai-dev-request at collab.sakaiproject.org<mailto:sakai-dev-request at collab.sakaiproject.org>
> Sent: Wednesday, May 14, 2014 3:00 PM
> To: sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>
> Subject: sakai-dev Digest, Vol 63, Issue 13
>
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>
>
> Today's Topics:
>
> 1. Re: Sites in Admin Workspace slow to render (Wilson, Kimberly)
> 2. Re: Sites in Admin Workspace slow to render (Steve Swinsburg)
> 3. Re: Application Servers Crashing (Warwick Chapman)
> 4. Due May 23 - Re: Sakai Tools Survey - 2014 (Neal Caidin)
> 5. Sakai Core Team Call, Thursday, 2014-05-15, 10:00EDT
> (14:00GMT) (ottenhoff at longsight.com<mailto:ottenhoff at longsight.com>)
> 6. Re: [sakai-core-team] Sakai Core Team Call, Thursday,
> 2014-05-15, 10:00EDT (14:00GMT) (Neal Caidin)
> 7. Question on copySiteContent (web services script) or
> SAK-22562 (Omer A Piperdi)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 13 May 2014 19:33:14 +0000
> From: "Wilson, Kimberly" <wilsonk at mail.amc.edu<mailto:wilsonk at mail.amc.edu>>
> Subject: Re: [Building Sakai] Sites in Admin Workspace slow to render
> To: Neal Caidin <neal.caidin at apereo.org<mailto:neal.caidin at apereo.org>>
> Cc: "sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>"
> <sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>>
> Message-ID:
> <A6B19A294BD71C468CADA777F2FA94BA7BE2C413 at wexcmbx01v.AMCNT.AMC.EDU<mailto:A6B19A294BD71C468CADA777F2FA94BA7BE2C413 at wexcmbx01v.AMCNT.AMC.EDU>>
> Content-Type: text/plain; charset="utf-8"
>
> I looked through several Sakai Jiras and could not find anything
>
> Kim Wilson, MSCIS | Systems Analyst ? Sakai & IS Academic Systems | Albany Medical Center | 518-264-1055
>
> From: Neal Caidin [mailto:neal.caidin at apereo.org<mailto:neal.caidin at apereo.org>]
> Sent: Tuesday, May 13, 2014 2:58 PM
> To: Wilson, Kimberly
> Cc: sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>
> Subject: Re: [Building Sakai] Sites in Admin Workspace slow to render
>
> HI Kim,
>
> Any response to this yet? Have you searched in Jira or opened a Jira?
>
> Thanks,
> Neal
>
>
>
> [cid:image001.jpg at 01CF6EC0.A758E1F0]
> Wilson, Kimberly<mailto:wilsonk at mail.amc.edu<mailto:wilsonk at mail.amc.edu>>
> May 12, 2014 at 3:15 PM
> We?ve noticed with Sakai CLE 2.9.3 neoportal the sites tool, sites list in the Admin Workspace, is very slow to load and appears to be loading all 19,000+ results we have before showing any of the sites and resizing the page to show the first 20.
>
> Has anyone encountered this and have a solution how to make the page load the results faster?
>
> All other tools are loading with no noticeable delay.
>
> Kim Wilson, MSCIS | Systems Analyst ? Sakai & IS Academic Systems | Albany Medical Center | 518-264-1055
>
> ________________________________
> ----------------------------------------- CONFIDENTIALITY NOTICE: This email and any attachments may contain confidential information that is protected by law and is for the sole use of the individuals or entities to which it is addressed. If you are not the intended recipient, please notify the sender by replying to this email and destroying all copies of the communication and attachments. Further use, disclosure, copying, distribution of, or reliance upon the contents of this email and attachments is strictly prohibited. To contact Albany Medical Center, or for a copy of our privacy practices, please visit us on the Internet at www.amc.edu<http://www.amc.edu/><http://www.amc.edu<http://www.amc.edu/>>.
> _______________________________________________
> sakai-dev mailing list
> sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org><mailto:sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>>
> http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
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> TO UNSUBSCRIBE: send email to sakai-dev-unsubscribe at collab.sakaiproject.org<mailto:sakai-dev-unsubscribe at collab.sakaiproject.org><mailto:sakai-dev-unsubscribe at collab.sakaiproject.org<mailto:sakai-dev-unsubscribe at collab.sakaiproject.org>> with a subject of "unsubscribe"
>
> --
> Neal Caidin
> Sakai Community Coordinator
> Apereo Foundation
> neal.caidin at apereo.org<mailto:neal.caidin at apereo.org><mailto:neal.caidin at apereo.org<mailto:neal.caidin at apereo.org>>
> Skype me! (but let me know in advance for the first interaction) - nealkdin
>
>
> -----------------------------------------
> CONFIDENTIALITY NOTICE: This email and any attachments may contain confidential information that is protected by law and is for the sole use of the individuals or entities to which it is addressed. If you are not the intended recipient, please notify the sender by replying to this email and destroying all copies of the communication and attachments. Further use, disclosure, copying, distribution of, or reliance upon the contents of this email and attachments is strictly prohibited. To contact Albany Medical Center, or for a copy of our privacy practices, please visit us on the Internet at www.amc.edu<http://www.amc.edu/>.
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> ------------------------------
>
> Message: 2
> Date: Wed, 14 May 2014 23:02:08 +1000
> From: Steve Swinsburg <steve.swinsburg at gmail.com<mailto:steve.swinsburg at gmail.com>>
> Subject: Re: [Building Sakai] Sites in Admin Workspace slow to render
> To: "Wilson, Kimberly" <wilsonk at mail.amc.edu<mailto:wilsonk at mail.amc.edu>>
> Cc: "sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>"
> <sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>>
> Message-ID:
> <CAPyxfbHe09HyDChCeVMGZj0QamznRSMgQdFF1T1+Np91ZmgYQA at mail.gmail.com<mailto:CAPyxfbHe09HyDChCeVMGZj0QamznRSMgQdFF1T1%2BNp91ZmgYQA at mail.gmail.com>>
> Content-Type: text/plain; charset="utf-8"
>
> AdminSitesAction.java in the sites bundle is the class that gets the data.
> It does page the calls, assuming valid params. Can you confirm it is indeed
> fetching all by looking at the SQL that is being run?
>
> return
> SiteService.getSites(org.sakaiproject.site.api.SiteService.SelectionType.ANY,
> null, search, null,
> org.sakaiproject.site.api.SiteService.SortType.TITLE_ASC, new
> PagingPosition(first, last));
>
>
> On Wed, May 14, 2014 at 5:33 AM, Wilson, Kimberly <wilsonk at mail.amc.edu<mailto:wilsonk at mail.amc.edu>>wrote:
>
>> I looked through several Sakai Jiras and could not find anything
>>
>>
>>
>> *Kim Wilson**,** MSCIS* | Systems Analyst ? Sakai & IS Academic Systems |
>> Albany Medical Center | 518-264-1055
>>
>>
>>
>> *From:* Neal Caidin [mailto:neal.caidin at apereo.org<mailto:neal.caidin at apereo.org>]
>> *Sent:* Tuesday, May 13, 2014 2:58 PM
>> *To:* Wilson, Kimberly
>> *Cc:* sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>
>> *Subject:* Re: [Building Sakai] Sites in Admin Workspace slow to render
>>
>>
>>
>> HI Kim,
>>
>> Any response to this yet? Have you searched in Jira or opened a Jira?
>>
>> Thanks,
>> Neal
>>
>>
>>
>> *Wilson, Kimberly* <wilsonk at mail.amc.edu<mailto:wilsonk at mail.amc.edu>>
>>
>> May 12, 2014 at 3:15 PM
>>
>> We?ve noticed with Sakai CLE 2.9.3 neoportal the sites tool, sites list in
>> the Admin Workspace, is very slow to load and appears to be loading all
>> 19,000+ results we have before showing any of the sites and resizing the
>> page to show the first 20.
>>
>>
>>
>> Has anyone encountered this and have a solution how to make the page load
>> the results faster?
>>
>>
>>
>> All other tools are loading with no noticeable delay.
>>
>>
>>
>> *Kim Wilson**,** MSCIS* | Systems Analyst ? Sakai & IS Academic Systems |
>> Albany Medical Center | 518-264-1055
>>
>>
>> ------------------------------
>>
>> ----------------------------------------- CONFIDENTIALITY NOTICE: This
>> email and any attachments may contain confidential information that is
>> protected by law and is for the sole use of the individuals or entities to
>> which it is addressed. If you are not the intended recipient, please notify
>> the sender by replying to this email and destroying all copies of the
>> communication and attachments. Further use, disclosure, copying,
>> distribution of, or reliance upon the contents of this email and
>> attachments is strictly prohibited. To contact Albany Medical Center, or
>> for a copy of our privacy practices, please visit us on the Internet at
>> www.amc.edu<http://www.amc.edu/>.
>>
>> _______________________________________________
>> sakai-dev mailing list
>> sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>
>> http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
>>
>> TO UNSUBSCRIBE: send email to
>> sakai-dev-unsubscribe at collab.sakaiproject.org<mailto:sakai-dev-unsubscribe at collab.sakaiproject.org> with a subject of
>> "unsubscribe"
>>
>>
>>
>> --
>> Neal Caidin
>> Sakai Community Coordinator
>> Apereo Foundation
>> neal.caidin at apereo.org<mailto:neal.caidin at apereo.org>
>> Skype me! (but let me know in advance for the first interaction) - nealkdin
>>
>> ------------------------------
>> ----------------------------------------- CONFIDENTIALITY NOTICE: This
>> email and any attachments may contain confidential information that is
>> protected by law and is for the sole use of the individuals or entities to
>> which it is addressed. If you are not the intended recipient, please notify
>> the sender by replying to this email and destroying all copies of the
>> communication and attachments. Further use, disclosure, copying,
>> distribution of, or reliance upon the contents of this email and
>> attachments is strictly prohibited. To contact Albany Medical Center, or
>> for a copy of our privacy practices, please visit us on the Internet at
>> www.amc.edu<http://www.amc.edu/>.
>>
>>
>> _______________________________________________
>> sakai-dev mailing list
>> sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>
>> http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
>>
>> TO UNSUBSCRIBE: send email to
>> sakai-dev-unsubscribe at collab.sakaiproject.org<mailto:sakai-dev-unsubscribe at collab.sakaiproject.org> with a subject of
>> "unsubscribe"
>>
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> ------------------------------
>
> Message: 3
> Date: Wed, 14 May 2014 15:06:25 +0200
> From: Warwick Chapman <warwickchapman at gmail.com<mailto:warwickchapman at gmail.com>>
> Subject: Re: [Building Sakai] Application Servers Crashing
> To: Jaco Gillman <jaco at opencollab.co.za<mailto:jaco at opencollab.co.za>>, sakai-dev
> <sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>>
> Cc: David Wafula Wanyonyi <DavidWafula.Wanyonyi at wits.ac.za<mailto:DavidWafula.Wanyonyi at wits.ac.za>>
> Message-ID:
> <CAPVzm11S9o0G+9kdGhOWdXEpnVB+wbmDt9kHU=F=9=s4sjxL3w at mail.gmail.com<mailto:s4sjxL3w at mail.gmail.com>>
> Content-Type: text/plain; charset="utf-8"
>
> Howzit
>
> Sorry for the delay - election madness.
>
> -d64 must be used on systems with 64bit architecture in order to address
> more than 1.5-3.5G of memory (depends on the platform).
>
>> From the manual:
>
> -d32, -d64
> Specified whether the program is to be run in a 32-bit or 64-bit
> environment if available.
>
> Currently, only the Java HotSpot Server VM supports 64-bit operations and
> the -server option is implicit with the use of -d64 . This is subject to
> change in a future release.
>
> If neither -d32 nor -d64 is specified, the default is to run in a 32-bit
> environment, except for 64-bit only systems. This is subject to change in
> a future release.
>
> See
> http://blogs.vmware.com/apps/2011/06/taking-a-closer-look-at-sizing-the-java-process.htmlfor
> more information.
>
> -- Warwick Bruce Chapman | +27 83 7797 094<tel:%2B27%2083%207797%20094> |http://warwickchapman.com<http://warwickchapman.com/>
>
>
> On Mon, May 5, 2014 at 1:59 PM, Jaco Gillman <jaco at opencollab.co.za<mailto:jaco at opencollab.co.za>> wrote:
>
>> Hi Warwick, David
>>
>> We experience exactly the same issue as you have mentioned below.
>>
>> Here is what we have for JAVA_OPTS
>>
>> JAVA_OPTS='-server -Xms512m -Xmx4096m -XX:PermSize=128m
>> -XX:MaxPermSize=512m -XX:NewSize=192m -XX:MaxNewSize=384m
>> -Djava.awt.headless=true -Dhttp.agent=Sakai
>> -Dorg.apache.jasper.compiler.Parser.STRICT_QUOTE_ESCAPING=false
>> -Dsun.lang.ClassLoader.allowArraySyntax=true -Dsakai.home=/opt/sakai_home'
>>
>> I also notice you mention -server -*d64*, how important will adding this
>> parameter be?
>>
>> Regards,
>>
>> *Jaco Gillman*
>>
>> Java Developer
>>
>> opencollab
>>
>> *Tel*: +27 21 970 4017<tel:%2B27%2021%20970%204017> | *Fax*: +27 21 914 3098<tel:%2B27%2021%20914%203098>
>>
>> *Email*: jaco at opencollab.co.za<mailto:jaco at opencollab.co.za> | *Skype*: gillmanjc
>>
>> *Web*: www.opencollab.co.za<http://www.opencollab.co.za/>
>>
>>
>>
>> On 4 November 2013 09:56, Warwick Chapman <warwickchapman at gmail.com<mailto:warwickchapman at gmail.com>>wrote:
>>
>>> Thank you for the assistance, we eventually settled on:
>>>
>>> JAVA_OPTS='-server -d64 -Xmx4g -XX:MaxPermSize=512m
>>> -Djava.awt.headless=true -Dhttp.agent=Sakai'
>>>
>>> -- Warwick Bruce Chapman | +27 83 7797 094<tel:%2B27%2083%207797%20094> |http://warwickchapman.com<http://warwickchapman.com/>
>>>
>>>
>>> On Fri, Nov 1, 2013 at 11:22 AM, David Wafula Wanyonyi <
>>> DavidWafula.Wanyonyi at wits.ac.za<mailto:DavidWafula.Wanyonyi at wits.ac.za>> wrote:
>>>
>>>> We use Solaris Zones.
>>>> Thanks
>>>> ------------------------------
>>>> *From:* Warwick Chapman [warwickchapman at gmail.com<mailto:warwickchapman at gmail.com>]
>>>> *Sent:* Friday, November 01, 2013 11:04 AM
>>>> *To:* David Wafula Wanyonyi
>>>> *Cc:* sakai-dev
>>>>
>>>> *Subject:* Re: [Building Sakai] Application Servers Crashing
>>>>
>>>> Ps. Are you using OpenVZ as well?
>>>>
>>>> -- Warwick Bruce Chapman | +27 83 7797 094<tel:%2B27%2083%207797%20094> |http://warwickchapman.com<http://warwickchapman.com/>
>>>>
>>>>
>>>> On Fri, Nov 1, 2013 at 10:52 AM, David Wafula Wanyonyi <
>>>> DavidWafula.Wanyonyi at wits.ac.za<mailto:DavidWafula.Wanyonyi at wits.ac.za>> wrote:
>>>>
>>>>> Hi,
>>>>> We run servers of almost the same specs, we use the following options
>>>>> and they work just fine with way higher number of sessions:
>>>>>
>>>>> JAVA_OPTS="$JAVA_OPTS -server -d64 -Xmx4g -XX:PermSize=512m
>>>>> -XX:MaxPermSize=1024m -XX:NewSize=512m -XX:MaxNewSize=1024m
>>>>> -Djava.awt.headless=true -Dcom.sun.management.jmxremote
>>>>> -Dsun.lang.ClassLoader.allowArraySyntax=true
>>>>> -Djava.util.Arrays.useLegacyMergeSort=true"
>>>>>
>>>>> You might want up your PermSize.
>>>>>
>>>>> Regards,
>>>>> david.
>>>>>
>>>>> ------------------------------
>>>>> *From:* Warwick Chapman [warwickchapman at gmail.com<mailto:warwickchapman at gmail.com>]
>>>>> *Sent:* Friday, November 01, 2013 10:27 AM
>>>>> *To:* sakai-dev
>>>>> *Subject:* Re: [Building Sakai] Application Servers Crashing
>>>>>
>>>>> The three are running at the moment, with 63 sessions shared
>>>>> between them:
>>>>>
>>>>> root at opportunity:~# uname -a
>>>>> Linux opportunity 2.6.32-19-pve #1 SMP Wed May 15 07:32:52 CEST 2013
>>>>> x86_64 x86_64 x86_64 GNU/Linux
>>>>>
>>>>> root at opportunity:~# free -m
>>>>> total used free shared buffers
>>>>> cached
>>>>> Mem: 4096 3679 416 0 0
>>>>> 1968
>>>>> -/+ buffers/cache: 1711 2384
>>>>> Swap: 4096 6 4089
>>>>>
>>>>> root at opportunity:~# w
>>>>> 10:23:19 up 1 day, 14:23, 1 user, load average: 0,16, 0,08, 0,04
>>>>>
>>>>> ---
>>>>>
>>>>> root at opportunity-01:~# uname -a
>>>>> Linux opportunity-01 2.6.32-19-pve #1 SMP Wed May 15 07:32:52 CEST 2013
>>>>> x86_64 x86_64 x86_64 GNU/Linux
>>>>>
>>>>> root at opportunity-01:~# free -m
>>>>> total used free shared buffers
>>>>> cached
>>>>> Mem: 4096 2662 1433 0 0
>>>>> 954
>>>>> -/+ buffers/cache: 1708 2387
>>>>> Swap: 4096 3 4092
>>>>>
>>>>> root at opportunity-01:~# w
>>>>> 10:23:54 up 22:56, 1 user, load average: 0,03, 0,05, 0,00
>>>>>
>>>>> ---
>>>>>
>>>>> root at opportunity-10:~# uname -a
>>>>> Linux opportunity-10 2.6.32-20-pve #1 SMP Wed May 15 08:23:27 CEST 2013
>>>>> x86_64 x86_64 x86_64 GNU/Linux
>>>>>
>>>>> root at opportunity-10:~# free -m
>>>>> total used free shared buffers
>>>>> cached
>>>>> Mem: 4096 1778 2317 0 0
>>>>> 146
>>>>> -/+ buffers/cache: 1632 2463
>>>>> Swap: 4096 0 4096
>>>>>
>>>>> root at opportunity-10:~# w
>>>>> 10:24:40 up 10:40, 2 users, load average: 0,00, 0,02, 0,13
>>>>>
>>>>>
>>>>> -- Warwick Bruce Chapman | +27 83 7797 094<tel:%2B27%2083%207797%20094> |http://warwickchapman.com<http://warwickchapman.com/>
>>>>>
>>>>>
>>>>> On Fri, Nov 1, 2013 at 10:04 AM, Warwick Chapman <
>>>>> warwickchapman at gmail.com<mailto:warwickchapman at gmail.com>> wrote:
>>>>>
>>>>>> Hi All
>>>>>>
>>>>>> I'm going mad here. Surely we can expect a four processor, 4G
>>>>>> appserver to handle more than 50 sessions without crashing?
>>>>>>
>>>>>> Mine keep crashing and its causing havoc.
>>>>>>
>>>>>> As they approach 40 sessions, the system load which is usually below
>>>>>> 0.10 start climbing, and then hits 1.00 and eventually I get the
>>>>>> "java.lang.OutOfMemoryError: Java heap space" error.
>>>>>>
>>>>>> *Details*
>>>>>>
>>>>>> 1. Ubuntu 12.04 OpenVZ on Proxmox with 4G RAM and 4 processors
>>>>>> allocated.
>>>>>>
>>>>>> 2. Oracle Java 6:
>>>>>> root at opportunity-10:~# java -version
>>>>>> java version "1.6.0_45"
>>>>>> Java(TM) SE Runtime Environment (build 1.6.0_45-b06)
>>>>>> Java HotSpot(TM) 64-Bit Server VM (build 20.45-b01, mixed mode)
>>>>>>
>>>>>> 3. Environment variables:
>>>>>> root at opportunity-10:~# set | grep JAVA
>>>>>> JAVA_HOME=/usr/lib/jvm/java-6-oracle
>>>>>> JAVA_OPTS='-server -Xms512m -Xmx1024m -XX:PermSize=128m
>>>>>> -XX:MaxPermSize=512m -XX:NewSize=192m -XX:MaxNewSize=384m
>>>>>> -Djava.awt.headless=true -Dhttp.agent=Sakai
>>>>>> -Dorg.apache.jasper.compiler.Parser.STRICT_QUOTE_ESCAPING=false
>>>>>> -Dsun.lang.ClassLoader.allowArraySyntax=true -Duser.language=en
>>>>>> -Duser.region=ZA -Dfile.encoding=UTF-8'
>>>>>>
>>>>>> 4. Sakai 2.9.3 built independently on each app server (also tried
>>>>>> building on one and deploying to others). Custom providers, SMS and only
>>>>>> patch is for UCT SMS.
>>>>>>
>>>>>> 5. Process:
>>>>>> 31032 pts/2 Sl 1:44 /usr/lib/jvm/java-6-oracle/bin/java
>>>>>> -Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties
>>>>>> -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -server
>>>>>> -Xms512m -Xmx1024m -XX:PermSize=128m -XX:MaxPermSize=512m -XX:NewSize=192m
>>>>>> -XX:MaxNewSize=384m -Djava.awt.headless=true -Dhttp.agent=Sakai
>>>>>> -Dorg.apache.jasper.compiler.Parser.STRICT_QUOTE_ESCAPING=false
>>>>>> -Dsun.lang.ClassLoader.allowArraySyntax=true -Duser.language=en
>>>>>> -Duser.region=ZA -Dfile.encoding=UTF-8
>>>>>> -Djava.endorsed.dirs=/opt/tomcat/endorsed -classpath
>>>>>> /opt/tomcat/bin/bootstrap.jar:/opt/tomcat/bin/tomcat-juli.jar
>>>>>> -Dcatalina.base=/opt/tomcat -Dcatalina.home=/opt/tomcat
>>>>>> -Djava.io.tmpdir=/opt/tomcat/temp org.apache.catalina.startup.Bootstrap
>>>>>> start
>>>>>>
>>>>>> 6. Database server and LDAP server are quiet and not battling with
>>>>>> load at all.
>>>>>>
>>>>>> 7. The underlying host machines are quiet and load is not affecting
>>>>>> them at all and memory usage is safely below available.
>>>>>>
>>>>>> See catalina for the most recent crash:
>>>>>> 2013-11-01 09:37:18,497 WARN http-bio-8080-exec-281
>>>>>> org.sakaiproject.portal.charon.site.DefaultSiteViewImpl - Failed to set
>>>>>> canAddSite for current user. Defaulting to false ...
>>>>>> Exception in thread "PageSavingThread-sakai.profile2"
>>>>>> java.lang.OutOfMemoryError: Java heap space
>>>>>> 2013-11-01 09:41:04,553 ERROR http-bio-8080-exec-256
>>>>>> org.hibernate.transaction.JDBCTransaction - JDBC rollback failed
>>>>>> com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:
>>>>>> No operations allowed after connection closed.
>>>>>> at
>>>>>> sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>>>>>> at
>>>>>> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
>>>>>> at
>>>>>> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>>>>>> at
>>>>>> java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>>>>>> at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
>>>>>> at com.mysql.jdbc.Util.getInstance(Util.java:386)
>>>>>> at
>>>>>> com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1015)
>>>>>> at
>>>>>> com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)
>>>>>> at
>>>>>> com.mysql.jdbc.SQLError.createSQLException(SQLError.java:975)
>>>>>> at
>>>>>> com.mysql.jdbc.SQLError.createSQLException(SQLError.java:920)
>>>>>> at
>>>>>> com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1304)
>>>>>> at
>>>>>> com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1296)
>>>>>> at
>>>>>> com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:5028)
>>>>>> at
>>>>>> org.apache.commons.dbcp.DelegatingConnection.rollback(DelegatingConnection.java:328)
>>>>>> at
>>>>>> org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.rollback(PoolingDataSource.java:312)
>>>>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>>> at
>>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>>> at
>>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>>> at java.lang.reflect.Method.invoke(Method.java:597)
>>>>>> at
>>>>>> org.springframework.jdbc.datasource.LazyConnectionDataSourceProxy$LazyConnectionInvocationHandler.invoke(LazyConnectionDataSourceProxy.java:364)
>>>>>> at com.sun.proxy.$Proxy5.rollback(Unknown Source)
>>>>>> at
>>>>>> org.hibernate.transaction.JDBCTransaction.rollbackAndResetAutoCommit(JDBCTransaction.java:183)
>>>>>> at
>>>>>> org.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.java:162)
>>>>>> at
>>>>>> org.springframework.orm.hibernate3.HibernateTransactionManager.doRollback(HibernateTransactionManager.java:674)
>>>>>> at
>>>>>> org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:823)
>>>>>> at
>>>>>> org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:800)
>>>>>> at
>>>>>> org.springframework.transaction.interceptor.TransactionAspectSupport.completeTransactionAfterThrowing(TransactionAspectSupport.java:339)
>>>>>> at
>>>>>> org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
>>>>>> at
>>>>>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
>>>>>> at
>>>>>> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
>>>>>> at com.sun.proxy.$Proxy42.getPublishedAssessment(Unknown
>>>>>> Source)
>>>>>> at
>>>>>> org.sakaiproject.tool.assessment.services.assessment.PublishedAssessmentService.getPublishedAssessment(PublishedAssessmentService.java:189)
>>>>>> at
>>>>>> org.sakaiproject.tool.assessment.ui.listener.delivery.BeginDeliveryActionListener.lookupPublishedAssessment(BeginDeliveryActionListener.java:161)
>>>>>> at
>>>>>> org.sakaiproject.tool.assessment.ui.listener.delivery.BeginDeliveryActionListener.getPublishedAssessmentBasedOnAction(BeginDeliveryActionListener.java:415)
>>>>>> at
>>>>>> org.sakaiproject.tool.assessment.ui.listener.delivery.BeginDeliveryActionListener.processAction(BeginDeliveryActionListener.java:109)
>>>>>> at
>>>>>> javax.faces.event.ActionEvent.processListener(ActionEvent.java:77)
>>>>>> at
>>>>>> javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:669)
>>>>>> at
>>>>>> javax.faces.component.UICommand.broadcast(UICommand.java:317)
>>>>>> at javax.faces.component.UIData.broadcast(UIData.java:677)
>>>>>> at
>>>>>> javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:287)
>>>>>> at
>>>>>> javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:401)
>>>>>> at
>>>>>> com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:95)
>>>>>> at
>>>>>> com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
>>>>>> at
>>>>>> com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
>>>>>> at
>>>>>> javax.faces.webapp.FacesServlet.service(FacesServlet.java:213)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>>>> at
>>>>>> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:634)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
>>>>>> at
>>>>>> org.sakaiproject.jsf.util.SamigoJsfTool.dispatch(SamigoJsfTool.java:301)
>>>>>> at org.sakaiproject.jsf.util.JsfTool.doPost(JsfTool.java:256)
>>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
>>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
>>>>>> at
>>>>>> org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:511)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1483)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.handlers.ToolHandler.doTool(ToolHandler.java:213)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.handlers.ToolHandler.doGet(ToolHandler.java:96)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.handlers.ToolHandler.doPost(ToolHandler.java:73)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.SkinnableCharonPortal.doPost(SkinnableCharonPortal.java:1273)
>>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
>>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>>>> at
>>>>>> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:695)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>>>> at
>>>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
>>>>>> at
>>>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
>>>>>> at
>>>>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
>>>>>> at
>>>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
>>>>>> at
>>>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
>>>>>> at
>>>>>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
>>>>>> at
>>>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>>>>> at
>>>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
>>>>>> at
>>>>>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
>>>>>> at
>>>>>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
>>>>>> at
>>>>>> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
>>>>>> at
>>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
>>>>>> at
>>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
>>>>>> at java.lang.Thread.run(Thread.java:662)
>>>>>> Caused by: java.lang.OutOfMemoryError: Java heap space
>>>>>> 2013-11-01 09:41:14,635 WARN SakaiClusterService.Maintenance
>>>>>> org.sakaiproject.db.impl.BasicSqlService - Sql.dbRead: sql: select
>>>>>> SERVER_ID from SAKAI_CLUSTER where SERVER_ID = ?
>>>>>> opportunity-10-1383259498265
>>>>>> com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:
>>>>>> Communications link failure
>>>>>>
>>>>>> The last packet successfully received from the server was 6,629
>>>>>> milliseconds ago. The last packet sent successfully to the server was
>>>>>> 6,629 milliseconds ago.
>>>>>> at
>>>>>> sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>>>>>> at
>>>>>> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
>>>>>> at
>>>>>> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>>>>>> at
>>>>>> java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>>>>>> at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
>>>>>> at
>>>>>> com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1121)
>>>>>> at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3673)
>>>>>> at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3562)
>>>>>> at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4113)
>>>>>> at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:927)
>>>>>> at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4689)
>>>>>> at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1304)
>>>>>> at
>>>>>> com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2486)
>>>>>> at
>>>>>> com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2519)
>>>>>> at
>>>>>> com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2304)
>>>>>> at
>>>>>> com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834)
>>>>>> at
>>>>>> com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
>>>>>> at
>>>>>> sun.reflect.GeneratedConstructorAccessor680.newInstance(Unknown Source)
>>>>>> at
>>>>>> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>>>>>> at
>>>>>> java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>>>>>> at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
>>>>>> at
>>>>>> com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:416)
>>>>>> at
>>>>>> com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:346)
>>>>>> at
>>>>>> org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
>>>>>> at
>>>>>> org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:294)
>>>>>> at
>>>>>> org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1181)
>>>>>> at
>>>>>> org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:96)
>>>>>> at
>>>>>> org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)
>>>>>> at
>>>>>> org.sakaiproject.db.impl.BasicSqlService.borrowConnection(BasicSqlService.java:260)
>>>>>> at
>>>>>> org.sakaiproject.db.impl.BasicSqlService.dbRead(BasicSqlService.java:540)
>>>>>> at
>>>>>> org.sakaiproject.db.impl.BasicSqlService.dbRead(BasicSqlService.java:471)
>>>>>> at
>>>>>> org.sakaiproject.cluster.impl.SakaiClusterService$Maintenance.run(SakaiClusterService.java:377)
>>>>>> at java.lang.Thread.run(Thread.java:662)
>>>>>> Caused by: java.io.EOFException: Can not read response from server.
>>>>>> Expected to read 4 bytes, read 0 bytes before connection was unexpectedly
>>>>>> lost.
>>>>>> at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3119)
>>>>>> at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3573)
>>>>>> ... 26 more
>>>>>> 2013-11-01 09:41:27,726 WARN SakaiClusterService.Maintenance
>>>>>> org.sakaiproject.cluster.impl.SakaiClusterService - run(): server has been
>>>>>> closed in cluster table, reopened: opportunity-10-1383259498265
>>>>>> 2013-11-01 09:41:24,623 WARN http-bio-8080-exec-291
>>>>>> org.sakaiproject.portal.util.ErrorReporter - Bug Report bug-id:
>>>>>> 1c74337e-3721-4fb6-812d-85f665ff1da1 user:
>>>>>> 334d3096-e735-4597-9826-a1f6fcb44d1a usage-session:
>>>>>> 9dbb01fb-9a47-4435-b019-3c626f9ec35c time: 01-Nov-2013 09:39:42 user
>>>>>> comment: null stack trace
>>>>>> java.lang.OutOfMemoryError: Java heap space
>>>>>> at java.util.Hashtable.<init>(Hashtable.java:162)
>>>>>> at java.util.Hashtable.<init>(Hashtable.java:183)
>>>>>> at
>>>>>> org.sakaiproject.util.BaseResourceProperties.<init>(BaseResourceProperties.java:82)
>>>>>> at
>>>>>> org.sakaiproject.util.BaseResourcePropertiesEdit.<init>(BaseResourcePropertiesEdit.java:39)
>>>>>> at org.sakaiproject.site.impl.BaseSite.set(BaseSite.java:575)
>>>>>> at org.sakaiproject.site.impl.BaseSite.<init>(BaseSite.java:234)
>>>>>> at
>>>>>> org.sakaiproject.site.impl.BaseSiteService.getCachedSite(BaseSiteService.java:599)
>>>>>> at
>>>>>> org.sakaiproject.site.impl.BaseSiteService.getDefinedSite(BaseSiteService.java:620)
>>>>>> at
>>>>>> org.sakaiproject.site.impl.BaseSiteService.getSite(BaseSiteService.java:709)
>>>>>> at
>>>>>> org.sakaiproject.site.impl.BaseSiteService.getSiteVisit(BaseSiteService.java:787)
>>>>>> at
>>>>>> org.sakaiproject.site.cover.SiteService.getSiteVisit(SiteService.java:140)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.handlers.ToolHandler.doTool(ToolHandler.java:167)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.handlers.ToolHandler.doGet(ToolHandler.java:96)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:894)
>>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
>>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>>>> at
>>>>>> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:695)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>>>> at
>>>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
>>>>>> at
>>>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
>>>>>> at
>>>>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
>>>>>> at
>>>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
>>>>>> at
>>>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
>>>>>> at
>>>>>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
>>>>>> at
>>>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>>>>> at
>>>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
>>>>>> at
>>>>>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
>>>>>> at
>>>>>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
>>>>>> at
>>>>>> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
>>>>>>
>>>>>> Tool Placement:
>>>>>> No Placement
>>>>>>
>>>>>> Request:
>>>>>> : AuthType:null
>>>>>> : CharEncoding:UTF-8
>>>>>> : ContentLength:-1
>>>>>> : ContentType:null
>>>>>> : ContextPath:/portal
>>>>>> : LocalAddress:192.168.20.5
>>>>>> : LocalName:opportunity-10.da.org.za<http://opportunity-10.da.org.za/>
>>>>>> : LocalPort:8080
>>>>>> : Method:GET
>>>>>> : PathInfo:/tool/00c1784d-3cb9-4b9f-ada5-4200b82376db/synMainLite
>>>>>> : Protocol:HTTP/1.1
>>>>>> : QueryString:time=1
>>>>>> : RemoteAddress:46.4.206.124
>>>>>> : RemoteHost:46.4.206.124
>>>>>> : RemotePort:56498
>>>>>> : Requested URL:
>>>>>> http://umthombo.da.org.za/portal/tool/00c1784d-3cb9-4b9f-ada5-4200b82376db/synMainLite
>>>>>> : Scheme:http
>>>>>> : ServerName:umthombo.da.org.za<http://umthombo.da.org.za/>
>>>>>> : Headers:
>>>>>> : Header:accept:text/html, application/xhtml+xml, */*
>>>>>> : Header:referer:
>>>>>> http://umthombo.da.org.za/portal/tool/00c1784d-3cb9-4b9f-ada5-4200b82376db/wait
>>>>>> : Header:accept-language:en-ZA
>>>>>> : Header:user-agent:Mozilla/5.0 (compatible; MSIE 10.0; Windows
>>>>>> NT 6.1; WOW64; Trident/6.0)
>>>>>> : Header:accept-encoding:gzip, deflate
>>>>>> : Header:dnt:1
>>>>>> : Header:cookie:---censored---
>>>>>> : Header:host:umthombo.da.org.za<http://umthombo.da.org.za/>
>>>>>> : Header:cache-control:max-age=43200
>>>>>> : Header:connection:keep-alive
>>>>>> : Header:x-forwarded-for:41.13.48.159
>>>>>> : Parameters:
>>>>>> : Parameter:time:0:1
>>>>>> : Attributes:
>>>>>> :
>>>>>> Attribute:sakai.character.encoding.done:sakai.character.encoding.done
>>>>>> : Attribute:sakai.filtered:sakai.filtered
>>>>>> :
>>>>>> Attribute:sakai.session:org.sakaiproject.tool.impl.MySession at a064900
>>>>>> Session:
>>>>>> : Created:1383291288806
>>>>>> : LastAccess:1383291671451
>>>>>> : MaxInactive:3600
>>>>>> : Attributes:
>>>>>> : Attribute:portalskin:neoskin
>>>>>>
>>>>>> 2013-11-01 09:41:35,971 WARN http-bio-8080-exec-256
>>>>>> org.hibernate.util.JDBCExceptionReporter - SQL Error: 0, SQLState: null
>>>>>> 2013-11-01 09:41:35,971 ERROR http-bio-8080-exec-256
>>>>>> org.hibernate.util.JDBCExceptionReporter - Already closed.
>>>>>> 2013-11-01 09:42:09,783 WARN http-bio-8080-exec-256
>>>>>> org.hibernate.util.JDBCExceptionReporter - SQL Error: 0, SQLState: null
>>>>>> 2013-11-01 09:42:09,783 ERROR http-bio-8080-exec-256
>>>>>> org.hibernate.util.JDBCExceptionReporter - Already closed.
>>>>>> 2013-11-01 09:45:04,447 ERROR http-bio-8080-exec-256
>>>>>> org.springframework.transaction.interceptor.TransactionInterceptor -
>>>>>> Application exception overridden by rollback exception
>>>>>> java.lang.OutOfMemoryError: Java heap space
>>>>>> 2013-11-01 09:45:04,447 ERROR http-bio-8080-exec-256
>>>>>> org.sakaiproject.tool.assessment.services.assessment.PublishedAssessmentService
>>>>>> - org.springframework.transaction.TransactionSystemException: Could not
>>>>>> roll back Hibernate transaction; nested exception is
>>>>>> org.hibernate.TransactionException: JDBC rollback failed
>>>>>> 2013-11-01 09:45:04,447 ERROR http-bio-8080-exec-256
>>>>>> com.sun.faces.lifecycle.InvokeApplicationPhase -
>>>>>> org.springframework.transaction.TransactionSystemException: Could not roll
>>>>>> back Hibernate transaction; nested exception is
>>>>>> org.hibernate.TransactionException: JDBC rollback failed
>>>>>> java.lang.RuntimeException:
>>>>>> org.springframework.transaction.TransactionSystemException: Could not roll
>>>>>> back Hibernate transaction; nested exception is
>>>>>> org.hibernate.TransactionException: JDBC rollback failed
>>>>>> at
>>>>>> org.sakaiproject.tool.assessment.services.assessment.PublishedAssessmentService.getPublishedAssessment(PublishedAssessmentService.java:195)
>>>>>> at
>>>>>> org.sakaiproject.tool.assessment.ui.listener.delivery.BeginDeliveryActionListener.lookupPublishedAssessment(BeginDeliveryActionListener.java:161)
>>>>>> at
>>>>>> org.sakaiproject.tool.assessment.ui.listener.delivery.BeginDeliveryActionListener.getPublishedAssessmentBasedOnAction(BeginDeliveryActionListener.java:415)
>>>>>> at
>>>>>> org.sakaiproject.tool.assessment.ui.listener.delivery.BeginDeliveryActionListener.processAction(BeginDeliveryActionListener.java:109)
>>>>>> at
>>>>>> javax.faces.event.ActionEvent.processListener(ActionEvent.java:77)
>>>>>> at
>>>>>> javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:669)
>>>>>> at
>>>>>> javax.faces.component.UICommand.broadcast(UICommand.java:317)
>>>>>> at javax.faces.component.UIData.broadcast(UIData.java:677)
>>>>>> at
>>>>>> javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:287)
>>>>>> at
>>>>>> javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:401)
>>>>>> at
>>>>>> com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:95)
>>>>>> at
>>>>>> com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
>>>>>> at
>>>>>> com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
>>>>>> at
>>>>>> javax.faces.webapp.FacesServlet.service(FacesServlet.java:213)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>>>> at
>>>>>> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:634)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
>>>>>> at
>>>>>> org.sakaiproject.jsf.util.SamigoJsfTool.dispatch(SamigoJsfTool.java:301)
>>>>>> at org.sakaiproject.jsf.util.JsfTool.doPost(JsfTool.java:256)
>>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
>>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
>>>>>> at
>>>>>> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
>>>>>> at
>>>>>> org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:511)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1483)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.handlers.ToolHandler.doTool(ToolHandler.java:213)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.handlers.ToolHandler.doGet(ToolHandler.java:96)
>>>>>> at
>>>>>> org.sakaiproject.portal.charon.handlers.ToolHandler.doPost(ToolHan
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