Sailaja Polavarapu created RANGER-3659: ------------------------------------------
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} -- This message was sent by Atlassian Jira (v8.20.1#820001)