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merbel
 Post subject: Multithreading transaction hanging during persisting entity
PostPosted: Wed Mar 11, 2015 2:16 pm 
Newbie

Joined: Wed Mar 11, 2015 2:14 pm
Posts: 1
I've got a bean definition with an entityManager like this:

Code:
@Stateless
    public class JPABean<T> {
   
        private static final Logger LOG = Logger.getLogger(JPABean.class);
   
        @PersistenceContext(unitName = "myPersistanceSettings")
        private EntityManager em;
   
        public void write(T o) {
            LOG.info("PERSISTING");
            em.persist(o);
            LOG.info("FLASHING");
            em.flush();
            LOG.info("SUCCESS");
        }

My persistance.xml

Code:
<persistence-unit name="eSystemJPA" transaction-type="JTA" >
       <provider>org.hibernate.ejb.HibernatePersistence</provider>
       <jta-data-source>java:jboss/datasources/myDS</jta-data-source>
       <properties>
          <property name="hibernate.show_sql" value="true" />
          <property name="hibernate.hbm2ddl.auto" value="validate" />
          <property name="hibernate.dialect" value="org.hibernate.dialect.PostgreSQLDialect"/>
          <property name="hibernate.transaction.jta.platform" value="org.hibernate.service.jta.platform.internal.JBossAppServerJtaPlatform" />
       </properties>
    </persistence-unit>


My api:

Code:
@Path("activityAPI")
    public class ActivityAPI {
   
       private static final Logger log = Logger.getLogger(ActivityAPI.class);
       
       @EJB
       private JPABean<ActivityLogEntry> activityJpa;
   
       @POST
       @Consumes(MediaType.APPLICATION_JSON)
       @Produces(MediaType.APPLICATION_JSON)
       public Response reportActivity(@Context HttpServletRequest hsr, final ActivityAPIRequest body) { ...


My standalone.xml with datasource:



Code:
<datasource jta="true" jndi-name="java:jboss/datasources/myDS" pool-name="PostgrePool" enabled="true" spy="true" use-ccm="false">
                <connection-url>jdbc:postgresql://localhost/postgres</connection-url>
                <driver>postgres</driver>
                <pool>
                    <min-pool-size>10</min-pool-size>
                    <max-pool-size>100</max-pool-size>
                    <prefill>true</prefill>
                </pool>
                <security>
                    <user-name>postgres</user-name>
                    <password>postgres</password>
                </security>
                <validation>
                    <validate-on-match>false</validate-on-match>
                    <background-validation>false</background-validation>
                </validation>
                <statement>
                    <share-prepared-statements>false</share-prepared-statements>
                </statement>
            </datasource>


And i'm receiving:

Code:
2015-03-11 17:48:39,945 INFO    [JPABean.write]: PERSISTING
    2015-03-11 17:48:39,946 INFO    [AbstractLoggingWriter.write]: INFO   [JPABean.write]: PERSISTING
    2015-03-11 17:48:39,946 DEBUG   [TransactionCoordinatorImpl.attemptToRegisterJtaSync]: Skipping JTA sync registration due to auto join checking
    2015-03-11 17:48:39,946 INFO    [AbstractLoggingWriter.write]: DEBUG  [TransactionCoordinatorImpl.attemptToRegisterJtaSync]: Skipping JTA sync registration due to auto join checking
    2015-03-11 17:48:39,947 DEBUG   [TransactionCoordinatorImpl.attemptToRegisterJtaSync]: successfully registered Synchronization
    2015-03-11 17:48:39,947 INFO    [AbstractLoggingWriter.write]: DEBUG  [TransactionCoordinatorImpl.attemptToRegisterJtaSync]: successfully registered Synchronization
    2015-03-11 17:48:39,947 DEBUG   [AbstractEntityManagerImpl.joinTransaction]: Looking for a JTA transaction to join
    2015-03-11 17:48:39,947 INFO    [AbstractLoggingWriter.write]: DEBUG  [AbstractEntityManagerImpl.joinTransaction]: Looking for a JTA transaction to join
    2015-03-11 17:48:39,948 INFO    [AbstractLoggingWriter.write]: Hibernate: select nextval ('hibernate_sequence')
    2015-03-11 17:48:39,949 DEBUG   [LogicalConnectionImpl.obtainConnection]: Obtaining JDBC connection
    2015-03-11 17:48:39,949 INFO    [AbstractLoggingWriter.write]: DEBUG  [LogicalConnectionImpl.obtainConnection]: Obtaining JDBC connection
    2015-03-11 17:48:39,950 DEBUG   [LogicalConnectionImpl.obtainConnection]: Obtained JDBC connection
    2015-03-11 17:48:39,950 INFO    [AbstractLoggingWriter.write]: DEBUG  [LogicalConnectionImpl.obtainConnection]: Obtained JDBC connection
    2015-03-11 17:48:39,952 DEBUG   [LogicalConnectionImpl.releaseConnection]: Releasing JDBC connection
    2015-03-11 17:48:39,952 INFO    [AbstractLoggingWriter.write]: DEBUG  [LogicalConnectionImpl.releaseConnection]: Releasing JDBC connection
    2015-03-11 17:48:39,953 DEBUG   [LogicalConnectionImpl.releaseConnection]: Released JDBC connection
    2015-03-11 17:48:39,953 INFO    [AbstractLoggingWriter.write]: DEBUG  [LogicalConnectionImpl.releaseConnection]: Released JDBC connection
    2015-03-11 17:48:39,954 INFO    [JPABean.write]: FLASHING
    2015-03-11 17:48:39,955 INFO    [AbstractLoggingWriter.write]: INFO   [JPABean.write]: FLASHING
    2015-03-11 17:48:39,957 INFO    [AbstractLoggingWriter.write]: DEBUG  [ActivityAPI.reportActivity]: POST Received PUT reportActivity
    2015-03-11 17:48:39,957 DEBUG   [EntityPrinter.toString]: Listing entities:
    2015-03-11 17:48:39,957 INFO    [AbstractLoggingWriter.write]: DEBUG  [EntityPrinter.toString]: Listing entities:
    2015-03-11 17:48:39,958 DEBUG   [EntityPrinter.toString]: ActivityLogEntry{... body ...}
    2015-03-11 17:48:39,958 INFO    [AbstractLoggingWriter.write]: DEBUG  [EntityPrinter.toString]: ActivityLogEntry{... body ...}
    2015-03-11 17:48:39,959 INFO    [JPABean.write]: PERSISTING
    2015-03-11 17:48:39,959 INFO    [AbstractLoggingWriter.write]: INFO   [JPABean.write]: PERSISTING
    2015-03-11 17:48:39,962 INFO    [AbstractLoggingWriter.write]: Hibernate: insert into activity_log_entry (all columns) values (?, ?, ?, ?, ?, ?, ?, ?, ?)

So in fact there is a problem with persisting (inserting) 2 entities into a table. I was trying to add @Transactional annotation on my public writing method and on my api, but it doesn't work. I'm using:

    postgressql - 9.3
    jboss-ejb-api_3.2_spec
    jboss-servlet-api_3.1_spec
    resteasy-jaxrs
    hibernate-entitymanager
    hibernate-validator
    driver postresql>9.3-1102-jdbc41
    wildfly 8.2 or wildfly 8.0

logs from hibernate:

Code:
2015-03-11 17:53:39,947 WARN    [SynchronizationCallbackCoordinatorTrackingImpl.afterCompletion]: HHH000451: Transaction afterCompletion called by a background thread; delaying afterCompletion processing until the original thread can handle it. [status=4]


Trace from wildfly

Code:
17:53:39,944 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper) ARJUNA012117: TransactionReaper::check timeout for TX 0:ffff7f000001:62455507:550071b3:35 in state  RUN
        17:53:39,945 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012095: Abort of action id 0:ffff7f000001:62455507:550071b3:35 invoked while multiple threads active within it.
        17:53:39,946 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012108: CheckedAction::check - atomic action 0:ffff7f000001:62455507:550071b3:35 aborting with 1 threads active!
        17:53:39,957 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper) ARJUNA012117: TransactionReaper::check timeout for TX 0:ffff7f000001:62455507:550071b3:3b in state  RUN
        17:53:40,445 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper) ARJUNA012117: TransactionReaper::check timeout for TX 0:ffff7f000001:62455507:550071b3:35 in state  CANCEL
        17:53:40,446 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper) ARJUNA012378: ReaperElement appears to be wedged: org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:231)
        org.apache.log4j.JBossAppenderHandler.doPublish(JBossAppenderHandler.java:42)
        org.jboss.logmanager.ExtHandler.publish(ExtHandler.java:79)
        org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:296)
        org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:304)
        org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:304)
        org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:304)
        org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:304)
        org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:304)
        org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:304)
        org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:304)
        org.jboss.logmanager.Logger.logRaw(Logger.java:721)
        org.jboss.logmanager.Logger.log(Logger.java:672)
        org.jboss.logging.JBossLogManagerLogger.doLogf(JBossLogManagerLogger.java:50)
        org.jboss.logging.Logger.logf(Logger.java:2096)
        org.hibernate.internal.CoreMessageLogger_$logger.rollbackFromBackgroundThread(CoreMessageLogger_$logger.java:1032)
        org.hibernate.engine.transaction.synchronization.internal.SynchronizationCallbackCoordinatorTrackingImpl.afterCompletion(SynchronizationCallbackCoordinatorTrackingImpl.java:85)
        org.hibernate.engine.transaction.synchronization.internal.RegisteredSynchronization.afterCompletion(RegisteredSynchronization.java:56)
        com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.afterCompletion(SynchronizationImple.java:96)
        com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.afterCompletion(TwoPhaseCoordinator.java:532)
        com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.afterCompletion(TwoPhaseCoordinator.java:463)
        com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.cancel(TwoPhaseCoordinator.java:118)
        com.arjuna.ats.arjuna.AtomicAction.cancel(AtomicAction.java:215)
        com.arjuna.ats.arjuna.coordinator.TransactionReaper.doCancellations(TransactionReaper.java:377)
        com.arjuna.ats.internal.arjuna.coordinator.ReaperWorkerThread.run(ReaperWorkerThread.java:78)
       
        17:53:40,457 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper) ARJUNA012117: TransactionReaper::check timeout for TX 0:ffff7f000001:62455507:550071b3:3b in state  SCHEDULE_CANCEL
        17:53:40,947 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper) ARJUNA012117: TransactionReaper::check timeout for TX 0:ffff7f000001:62455507:550071b3:35 in state  CANCEL_INTERRUPTED
        17:53:40,948 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper) ARJUNA012120: TransactionReaper::check worker Thread[Transaction Reaper Worker 0,5,main] not responding to interrupt when cancelling TX 0:ffff7f000001:62455507:550071b3:35 -- worker marked as zombie and TX scheduled for mark-as-rollback
        17:53:40,949 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper) ARJUNA012110: TransactionReaper::check successfuly marked TX 0:ffff7f000001:62455507:550071b3:35 as rollback only
        17:53:40,948 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper Worker 1) ARJUNA012095: Abort of action id 0:ffff7f000001:62455507:550071b3:3b invoked while multiple threads active within it.
        17:53:40,949 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper Worker 1) ARJUNA012108: CheckedAction::check - atomic action 0:ffff7f000001:62455507:550071b3:3b aborting with 1 threads active!
        17:53:40,949 WARN  [com.arjuna.ats.arjuna] (Transaction Reaper Worker 1) ARJUNA012121: TransactionReaper::doCancellations worker Thread[Transaction Reaper Worker 1,5,main] successfully canceled TX 0:ffff7f000001:62455507:550071b3:3b


Every suggestion will be extremaly helpful for me :)
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