[Building Sakai] admin page loading causes OutOfMemoryError: Java heap space
Sanghyun Jeon
euksa99 at gmail.com
Fri Apr 11 11:13:26 PDT 2014
currently free -m shows
total used free shared buffers cached
Mem: 7872 7151 720 0 42 2045
-/+ buffers/cache: 5063 2808
Swap: 8015 26 7989
is there anyway to delete cache without stopping sakai?
Thank you.
S
On Fri, Apr 11, 2014 at 10:14 AM, Sanghyun Jeon <euksa99 at gmail.com> wrote:
> Hello,
>
> One of our sakai severs was crashed after complaining critical CPU loading
> issue. At the same time I got the bug report below, which was the same as
> tomcat log said. Before this server's cpu warning, I got the mysql db high
> CPU loading complaint and there were unusual CPU spike. Mysql workbench
> showed that several statistics state and multiple queries associated with
> sakai_realm* tables were read/written to the db. as admin, I was about to
> check the online tool.
> I don't know the root cause of this crash and there were very few users at
> the system at that time.
> Can anybody shed some light on this issue?
>
> bug-id: 2217f548-d6b2-41c8-8caf-1140e2578934
>
> user: admin (Sakai Administrator)
>
> email:
>
> usage-session: a886b570-7fd8-4a67-9cdf-8d989065b883
>
> stack-trace-digest: ADE287B32BC95FC455386D8ACEEC5458E65126F8
>
> sakai-version: 2.8.x
>
> service-version: v2.8.x
>
> app-server: Sakai2B
>
> user-agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML,
> like Gecko) Chrome/34.0.1847.116 Safari/537.36
>
> browser-id: Win-Mozilla
>
> IP: 134.173.69.30
>
> request-path: /portal
>
> time: Apr 11, 2014 09:07:41
>
>
>
>
>
> stack trace:
>
>
>
> java.lang.OutOfMemoryError: Java heap space
>
> at java.nio.HeapCharBuffer.<init>(HeapCharBuffer.java:39)
>
> at java.nio.CharBuffer.allocate(CharBuffer.java:312)
>
> at java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:760)
>
> at java.nio.charset.Charset.decode(Charset.java:771)
>
> at com.mysql.jdbc.StringUtils.toString(StringUtils.java:1871)
>
> at com.mysql.jdbc.ResultSetRow.getString(ResultSetRow.java:821)
>
> at com.mysql.jdbc.BufferRow.getString(BufferRow.java:542)
>
> at
> com.mysql.jdbc.ResultSetImpl.getStringInternal(ResultSetImpl.java:5815)
>
> at com.mysql.jdbc.ResultSetImpl.getString(ResultSetImpl.java:5692)
>
> at
> org.apache.commons.dbcp.DelegatingResultSet.getString(DelegatingResultSet.java:175)
>
> at
> org.sakaiproject.site.impl.DbSiteService$DbStorage.readSqlResultRecord(DbSiteService.java:2129)
>
> at
> org.sakaiproject.db.impl.BasicSqlService.dbRead(BasicSqlService.java:575)
>
> at
> org.sakaiproject.db.impl.BasicSqlService.dbRead(BasicSqlService.java:471)
>
> at
> org.sakaiproject.util.BaseDbFlatStorage.getSelectedResources(BaseDbFlatStorage.java:471)
>
> at
> org.sakaiproject.site.impl.DbSiteService$DbStorage.getSites(DbSiteService.java:803)
>
> at
> org.sakaiproject.site.impl.BaseSiteService.getSites(BaseSiteService.java:1623)
>
> at
> org.sakaiproject.portal.service.SiteNeighbourhoodServiceImpl.getAllSites(SiteNeighbourhoodServiceImpl.java:132)
>
> at
> org.sakaiproject.portal.service.SiteNeighbourhoodServiceImpl.getSitesAtNode(SiteNeighbourhoodServiceImpl.java:96)
>
> at
> org.sakaiproject.portal.charon.site.AbstractSiteViewImpl.<init>(AbstractSiteViewImpl.java:95)
>
> at
> org.sakaiproject.portal.charon.site.DefaultSiteViewImpl.<init>(DefaultSiteViewImpl.java:61)
>
> at
> org.sakaiproject.portal.charon.site.PortalSiteHelperImpl.getSitesView(PortalSiteHelperImpl.java:1167)
>
> at
> org.sakaiproject.portal.charon.handlers.SiteHandler.includeTabs(SiteHandler.java:650)
>
> at
> org.sakaiproject.portal.charon.handlers.SiteHandler.includeSiteNav(SiteHandler.java:438)
>
> at
> org.sakaiproject.portal.charon.handlers.SiteHandler.doSite(SiteHandler.java:267)
>
> at
> org.sakaiproject.portal.charon.handlers.SiteHandler.doGet(SiteHandler.java:126)
>
> at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:862)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:627)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
>
> at org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:659)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
>
>
>
>
>
> Tool Placement:
>
> No Placement
>
>
>
>
>
> Request:
>
> : AuthType:null
>
> : CharEncoding:UTF-8
>
> : ContentLength:-1
>
> : ContentType:null
>
> : ContextPath:/portal
>
> : LocalAddress:134.173.69.32
>
> : LocalName:sakai-tc2.pomona.edu
>
> : LocalPort:8444
>
> : Method:GET
>
> : PathInfo:/
>
> : Protocol:HTTP/1.1
>
> : QueryString:null
>
> : RemoteAddress:134.173.69.30
>
> : RemoteHost:134.173.69.30
>
> : RemotePort:33308
>
> : Requested URL:https://sakai.claremont.edu/portal
>
> : Scheme:https
>
> : ServerName:sakai.claremont.edu
>
> : Headers:
>
> : Header:host:134.173.69.32:8444
>
> : Header:cache-control:max-age=0
>
> :
> Header:accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
>
> : Header:user-agent:Mozilla/5.0 (Windows NT 6.1; WOW64)
> AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.116 Safari/537.36
>
> : Header:accept-encoding:gzip,deflate,sdch
>
> : Header:accept-language:en-US,en;q=0.8
>
> : Header:cookie:---censored---
>
> : Header:x-forwarded-for:134.173.65.106
>
> : Header:x-forwarded-host:sakai.claremont.edu
>
> : Header:x-forwarded-server:Sakai.Claremont.Edu
>
> : Header:connection:Keep-Alive
>
> : Parameters:
>
> : Attributes:
>
> :
> Attribute:sakai.character.encoding.done:sakai.character.encoding.done
>
> : Attribute:javax.servlet.request.key_size:168
>
> : Attribute:sakai.filtered:sakai.filtered
>
> :
> Attribute:sakai.session:org.sakaiproject.tool.impl.MySession at 26e5415e
>
> :
> Attribute:javax.servlet.request.ssl_session:534812961421c3760e3231cecb9a992e5daef31954abcaebfb96bf0fced81db2
>
> :
> Attribute:javax.servlet.request.cipher_suite:SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA
>
> Session:
>
> : Created:1397232174139
>
> : LastAccess:1397232461852
>
> : MaxInactive:10800
>
> : Attributes:
>
> : Attribute:portalskin:defaultskin
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://collab.sakaiproject.org/pipermail/sakai-dev/attachments/20140411/700d881b/attachment.html
More information about the sakai-dev
mailing list