Sailaja Polavarapu created RANGER-3659:
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Summary: 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
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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