Grouper Users - Open Discussion List

["Zhang, Xiaoling" <>]

Hi,

We are getting the “Java heap space" error in our grouper daemon log once in a while:

2016-03-08 22:58:30,857: [DefaultQuartzScheduler_Worker-6] ERROR ErrorLogger.schedulerError(2185) -  - Job (DEFAULT.SQL_GROUP_LIST__etc:configuration:loader:LOADERNAME__2a8152c269534661a4a670b1811aef11 threw an exception.

org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: java.lang.OutOfMemoryError: Java heap space]

        at org.quartz.core.JobRunShell.run(JobRunShell.java:213)

        at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)

Caused by: java.lang.OutOfMemoryError: Java heap space

        at edu.internet2.middleware.grouper.app.loader.GrouperLoaderType.syncOneGroupMembership(GrouperLoaderType.java:2089)

        at edu.internet2.middleware.grouper.app.loader.GrouperLoaderType.syncGroupList(GrouperLoaderType.java:1365)

        at edu.internet2.middleware.grouper.app.loader.GrouperLoaderType$3.runJob(GrouperLoaderType.java:490)

        at edu.internet2.middleware.grouper.app.loader.GrouperLoaderJob.runJob(GrouperLoaderJob.java:413)

        at edu.internet2.middleware.grouper.app.loader.GrouperLoaderJob.execute(GrouperLoaderJob.java:315)

        at org.quartz.core.JobRunShell.run(JobRunShell.java:202)

        ... 1 more

2016-03-16 23:07:36,389: [DefaultQuartzScheduler_Worker-6] ERROR GrouperLoaderJob.execute(318) -  - Error running up job

edu.internet2.middleware.grouper.internal.dao.GrouperDAOException: Problem in HibernateSession: HibernateSession: isNew: true, isReadonly: true, grouperTransactionType: READONLY_NEW,

Exception in uniqueResult: (class edu.internet2.middleware.grouper.Member), ByHqlStatic, query: 'from Member as m where      m.subjectIdDb       = :sid    and  m.subjectSourceIdDb = :source and  m.subjectTypeId   = :type', cacheable: true, cacheRegion: edu.internet2.middleware.grouper.internal.dao.hib3.Hib3MemberDAO.FindBySubject, tx type: null, tx type: nullBind var[0]: 'Param (class java.lang.String): 'sid'->'GrouperSystem', Bind var[1]: 'Param (class java.lang.String): 'type'->'application'Bind var[2]: 'Param (class java.lang.String): 'source'->'g:isa',

        at edu.internet2.middleware.grouper.hibernate.HibernateSession._internal_hibernateSessionCatch(HibernateSession.java:508)

        at edu.internet2.middleware.grouper.hibernate.HibernateSession.callbackHibernateSession(HibernateSession.java:581)

        at edu.internet2.middleware.grouper.hibernate.ByHqlStatic.uniqueResult(ByHqlStatic.java:323)

        at edu.internet2.middleware.grouper.internal.dao.hib3.Hib3MemberDAO.findBySubject(Hib3MemberDAO.java:296)

        at edu.internet2.middleware.grouper.internal.dao.hib3.Hib3MemberDAO.findBySubject(Hib3MemberDAO.java:202)

        at edu.internet2.middleware.grouper.MemberFinder.internal_findOrCreateBySubject(MemberFinder.java:346)

        at edu.internet2.middleware.grouper.MemberFinder.internal_findBySubject(MemberFinder.java:312)

        at edu.internet2.middleware.grouper.GrouperSession.start(GrouperSession.java:429)

        at edu.internet2.middleware.grouper.GrouperSession.startRootSession(GrouperSession.java:379)

        at edu.internet2.middleware.grouper.GrouperSession.startRootSession(GrouperSession.java:397)

        at edu.internet2.middleware.grouper.app.loader.GrouperLoaderJob.execute(GrouperLoaderJob.java:83)

        at org.quartz.core.JobRunShell.run(JobRunShell.java:202)

        at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)

Caused by: java.lang.OutOfMemoryError: Java heap space

The error usually occurred when two loaders were running. These two loaders updat two groups that have about 400k members and 550k members, respectively. The error seemed to be fixed by itself soon (within a minute), and the two loaders finished without any other errors.

We are running grouper 2.1.5. JVM has 4G of memory. Should we add more memory?

Thanks,

Xiaoling Zhang