[Building Sakai] multi threaded maven builds causing random compilation errors

Wed Jan 30 10:31:33 PST 2013

David that is precisely what I am getting, also on an i7, though an iMac. Glad I'm not alone, though it sucks.

Do you know if this has been reported to Maven?

@Sam, ok, good to know, still might be the JVM, perhaps the CPU.

cheers,
Steve

On 31/01/2013, at 2:13 AM, "Poindexter, David Ray" <davpoind at iupui.edu> wrote:

> I have not been able to get multithreading working using this on an i7 MacBook Pro:
> 
> java version "1.6.0_37"
> Java(TM) SE Runtime Environment (build 1.6.0_37-b06-434-11M3909)
> Java HotSpot(TM) 64-Bit Server VM (build 20.12-b01-434, mixed mode)
> 
> Whether I do –T 2C or –T 4, I always get errors. Here's the most recent, using –T 4 for a recent pull off the sakai 2.9.x trunk:
> 
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile) on project sakai-site-manage-group-helper: Compilation failure: Compilation failure:
> [ERROR] /opt/sakai-2.9.x-src/site-manage/site-manage-group-helper/tool/src/java/org/sakaiproject/site/tool/helper/managegroup/rsf/GroupListProducer.java:[93,76] ')' expected
> [ERROR] /opt/sakai-2.9.x-src/site-manage/site-manage-group-helper/tool/src/java/org/sakaiproject/site/tool/helper/managegroup/rsf/GroupListProducer.java:[93,126] ')' expected
> [ERROR] /opt/sakai-2.9.x-src/site-manage/site-manage-group-helper/tool/src/java/org/sakaiproject/site/tool/helper/managegroup/rsf/GroupListProducer.java:[93,100] not a statement
> [ERROR] /opt/sakai-2.9.x-src/site-manage/site-manage-group-helper/tool/src/java/org/sakaiproject/site/tool/helper/managegroup/rsf/GroupListProducer.java:[93,128] not a statement
> [ERROR] /opt/sakai-2.9.x-src/site-manage/site-manage-group-helper/tool/src/java/org/sakaiproject/site/tool/helper/managegroup/rsf/GroupListProducer.java:[93,132] ';' expected
> [ERROR] /opt/sakai-2.9.x-src/site-manage/site-manage-group-helper/tool/src/java/org/sakaiproject/site/tool/helper/managegroup/rsf/GroupEditProducer.java:[157,10] not a statement
> [ERROR] /opt/sakai-2.9.x-src/site-manage/site-manage-group-helper/tool/src/java/org/sakaiproject/site/tool/helper/managegroup/rsf/GroupEditProducer.java:[157,13] ';' expected
> [ERROR] /opt/sakai-2.9.x-src/site-manage/site-manage-group-helper/tool/src/java/org/sakaiproject/site/tool/helper/managegroup/rsf/GroupEditProducer.java:[162,10] 'catch' without 'try'
> [ERROR] /opt/sakai-2.9.x-src/site-manage/site-manage-group-helper/tool/src/java/org/sakaiproject/site/tool/helper/managegroup/rsf/GroupEditProducer.java:[162,26] ')' expected
> [ERROR] /opt/sakai-2.9.x-src/site-manage/site-manage-group-helper/tool/src/java/org/sakaiproject/site/tool/helper/managegroup/rsf/GroupEditProducer.java:[162,16] not a statement
> [ERROR] /opt/sakai-2.9.x-src/site-manage/site-manage-group-helper/tool/src/java/org/sakaiproject/site/tool/helper/managegroup/rsf/GroupEditProducer.java:[162,28] ';' expected
> [ERROR] -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile) on project sakai-site-manage-group-helper: Compilation failure
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:213)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
> at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
> at org.apache.maven.lifecycle.internal.LifecycleThreadedBuilder$1.call(LifecycleThreadedBuilder.java:167)
> at org.apache.maven.lifecycle.internal.LifecycleThreadedBuilder$1.call(LifecycleThreadedBuilder.java:164)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:680)
> Caused by: org.apache.maven.plugin.CompilationFailureException: Compilation failure
> at org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:656)
> at org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:128)
> at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
> ... 13 more
> 
> --
> David Poindexter
> Systems Analyst
> Enterprise Student Systems
> UITS
> Indiana University
> 535 West Michigan Street
> Indianapolis, IN 46202-5157
> O: 317.274.8686
> W: http://uits.iu.edu
> 
> From: Sam Ottenhoff <ottenhoff at longsight.com>
> Date: Wednesday, January 30, 2013 9:28 AM
> To: Steve Swinsburg <steve.swinsburg at gmail.com>
> Cc: Sakai Dev <sakai-dev at collab.sakaiproject.org>
> Subject: Re: [Building Sakai] multi threaded maven builds causing random compilation errors
> 
> Yeah, multi-threaded mode works well for me.  I use -T 4 , JDK 1.6.0_35 on Windows x64, skipping Maven tests.  Total build time is 4 mins for sakai-trunk-all (no adobeconnect).
> 
> --Sam
> 
> 
> On Wed, Jan 30, 2013 at 8:14 AM, Steve Swinsburg <steve.swinsburg at gmail.com> wrote:
>> Hi all,
>> 
>> Does anyone else run Maven 3 in multi threaded mode? 
>> 
>> I thought I should do something with the abundance of cores on this machine so setup my build to run in multi threaded mode, but I now randomly get class compilation errors or actual JVM compiler errors. There is actually nothing wrong with the class. And its always a different file and the file compiles perfectly fine without the multithreaded build turned on. And sometimes it compiles just fine *with* it turned on!
>> 
>> Example:
>> 
>> All run on the adobeconnect project, all taken as the last line of the error:
>> 
>> mvn -T 1C clean install
>> ...
>> [ERROR] /Users/steve/dev/sakai/src/extra/adobeconnect/openmeetings/src/java/org/sakaiproject/videoconference/openmeetings/service/axis/services/AddRoomWithModerationAndQuestions.java:[700,44] class, interface, or enum expected
>> 
>> mvn -T 1C clean install
>> ...
>> [ERROR] /Users/steve/dev/sakai/src/extra/adobeconnect/openmeetings/src/java/org/sakaiproject/videoconference/openmeetings/service/axis/services/CloseRoom.java:[471,110] package org.java.l.axis2.databinding.utils does not exist
>> 
>> Then a build as single threaded:
>> 
>> mvn clean install
>> 
>> [INFO] ------------------------------------------------------------------------
>> [INFO] BUILD SUCCESS
>> [INFO] ------------------------------------------------------------------------
>> [INFO] Total time: 9.337s
>> [INFO] Finished at: Thu Jan 31 00:11:27 EST 2013
>> [INFO] Final Memory: 19M/2177M
>> [INFO] ------------------------------------------------------------------------
>> 
>> Then a JVM compiler error:
>> 
>> mvn -T 1C clean install
>> ...
>> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile) on project adobeconnect-tool: Compilation failure
>> [ERROR] Failure executing javac, but could not parse the error:
>> [ERROR] An exception has occurred in the compiler (1.6.0_37). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport)  after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report.  Thank you.
>> [ERROR] com.sun.tools.javac.code.Symbol$CompletionFailure: class file for java.lang.annotation.RetentionPolicy not found
>> 
>> I wonder if its the JDK version?
>> 
>> cheers,
>> Steve
>> 
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