[jira] [Updated] (RANGER-3659) Ranger Admin goes to OOM when usersync is trying to delete existing group mappings from ranger DB

["Sailaja Polavarapu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/RANGER-3659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sailaja Polavarapu updated RANGER-3659:
---------------------------------------
    Attachment: 0001-RANGER-3659-Improved-create-update-or-delete-group-u.patch

> Ranger Admin goes to OOM when usersync is trying to delete existing group mappings from ranger DB
> -------------------------------------------------------------------------------------------------
>
>                 Key: RANGER-3659
>                 URL: https://issues.apache.org/jira/browse/RANGER-3659
>             Project: Ranger
>          Issue Type: Improvement
>          Components: Ranger
>            Reporter: Sailaja Polavarapu
>            Assignee: Sailaja Polavarapu
>            Priority: Major
>         Attachments: 0001-RANGER-3659-Improved-create-update-or-delete-group-u.patch
>
>
> Ranger Admin goes to OOM when usersync is trying to delete existing group mappings from ranger DB. 
> From heapdump the thread that is running OOM:
> {code:java}
> https-jsse-nio-6182-exec-3
> at java.lang.OutOfMemoryError.<init>()V (OutOfMemoryError.java:48)
> at java.util.IdentityHashMap.resize(I)Z (IdentityHashMap.java:472)
> at java.util.IdentityHashMap.put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object; (IdentityHashMap.java:441)
> at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.calculateChanges(Ljava/util/Map;Lorg/eclipse/persistence/internal/sessions/UnitOfWorkChangeSet;ZZ)Lorg/eclipse/persistence/internal/sessions/UnitOfWorkChangeSet; (UnitOfWorkImpl.java:731)
> at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.writeChanges()V (RepeatableWriteUnitOfWork.java:443)
> at org.eclipse.persistence.internal.jpa.EntityManagerImpl.flush()V (EntityManagerImpl.java:975)
> at org.eclipse.persistence.internal.jpa.QueryImpl.performPreQueryFlush()V (QueryImpl.java:976)
> at org.eclipse.persistence.internal.jpa.QueryImpl.executeReadQuery()Ljava/lang/Object; (QueryImpl.java:211)
> at org.eclipse.persistence.internal.jpa.QueryImpl.getSingleResult()Ljava/lang/Object; (QueryImpl.java:530)
> at org.eclipse.persistence.internal.jpa.EJBQueryImpl.getSingleResult()Ljava/lang/Object; (EJBQueryImpl.java:404)
> at org.apache.ranger.db.XXUserDao.findByUserName(Ljava/lang/String;)Lorg/apache/ranger/entity/XXUser; (XXUserDao.java:52)
> at org.apache.ranger.service.XUserService.getXUserByUserName(Ljava/lang/String;)Lorg/apache/ranger/view/VXUser; (XUserService.java:150)
> at org.apache.ranger.biz.XUserMgr.deleteXGroupAndXUser(Ljava/lang/String;Ljava/lang/String;)V (XUserMgr.java:855)
> at org.apache.ranger.biz.XUserMgr.createOrDeleteXGroupUsers(Lorg/apache/ranger/ugsyncutil/model/GroupUserInfo;Ljava/util/Map;)V (XUserMgr.java:2835)
> at org.apache.ranger.biz.XUserMgr.createOrDeleteXGroupUserList(Ljava/util/List;)I (XUserMgr.java:2860)
> at org.apache.ranger.biz.XUserMgr$$FastClassBySpringCGLIB$$57c6d473.invoke(ILjava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object; (Unknown Source)
> at org.springframework.cglib.proxy.MethodProxy.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object; (MethodProxy.java:204)
> at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(Ljava/lang/Object;Ljava/lang/reflect/Method;[Ljava/lang/Object;Lorg/springframework/cglib/proxy/MethodProxy;)Ljava/lang/Object; (CglibAopProxy.java:668)
> at org.apache.ranger.biz.XUserMgr$$EnhancerBySpringCGLIB$$b2c8ac3b.createOrDeleteXGroupUserList(Ljava/util/List;)I (Unknown Source)
> at org.apache.ranger.rest.XUserREST.addOrUpdateGroupUsersList(Ljava/util/List;)I (XUserREST.java:1464)
> at org.apache.ranger.rest.XUserREST$$FastClassBySpringCGLIB$$b2a65360.invoke(ILjava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object; (Unknown Source)
> at org.springframework.cglib.proxy.MethodProxy.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object; (MethodProxy.java:204)
> at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint()Ljava/lang/Object; (CglibAopProxy.java:737){code}



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