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Task
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Resolution: Fixed
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L3 - Default
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None
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None
Build: https://ci.cambpm.camunda.cloud/job/7.11/job/7.11-engine-UNIT-oracle-18/
At least builds 46, 49, 50 failed in this test. In the builds between, the test succeeded.
The 7.12 build looks stable.
Build details:
Fehlermeldung
Process engine persistence exception
Stacktrace
org.camunda.bpm.engine.ProcessEngineException: Process engine persistence exception at org.camunda.bpm.engine.impl.interceptor.CommandInvocationContext.rethrow(CommandInvocationContext.java:151) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:121) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.impl.AbstractQuery.list(AbstractQuery.java:142) at org.camunda.bpm.engine.test.concurrency.CompetingMessageCorrelationTest$1.execute(CompetingMessageCorrelationTest.java:53) at org.camunda.bpm.engine.test.concurrency.CompetingMessageCorrelationTest$1.execute(CompetingMessageCorrelationTest.java:50) at org.camunda.bpm.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:28) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:110) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.test.concurrency.CompetingMessageCorrelationTest.tearDown(CompetingMessageCorrelationTest.java:50) at junit.framework.TestCase.runBare(TestCase.java:146) at org.camunda.bpm.engine.impl.test.AbstractProcessEngineTestCase.runBare(AbstractProcessEngineTestCase.java:115) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:129) at junit.framework.TestSuite.runTest(TestSuite.java:252) at junit.framework.TestSuite.run(TestSuite.java:247) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365) at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159) at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:383) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:344) at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:125) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:417) Caused by: org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.sql.SQLRecoverableException: IO Error: Socket read interrupted ### The error may exist in org/camunda/bpm/engine/impl/mapping/entity/HistoricJobLog.xml ### The error may involve org.camunda.bpm.engine.impl.persistence.entity.HistoricJobLogEntity.selectHistoricJobLogByQueryCriteria-Inline ### The error occurred while setting parameters ### SQL: select * from ( select a.*, ROWNUM rnum from ( select distinct RES.* from ACT_HI_JOB_LOG RES order by RES.ID_ asc ) a where ROWNUM < ?) where rnum >= ? ### Cause: java.sql.SQLRecoverableException: IO Error: Socket read interrupted at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:150) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141) at org.camunda.bpm.engine.impl.db.sql.DbSqlSession.selectList(DbSqlSession.java:97) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.selectListWithRawParameter(DbEntityManager.java:181) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.selectList(DbEntityManager.java:173) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.selectList(DbEntityManager.java:165) at org.camunda.bpm.engine.impl.persistence.entity.HistoricJobLogManager.findHistoricJobLogsByQueryCriteria(HistoricJobLogManager.java:61) at org.camunda.bpm.engine.impl.HistoricJobLogQueryImpl.executeList(HistoricJobLogQueryImpl.java:270) at org.camunda.bpm.engine.impl.AbstractQuery.evaluateExpressionsAndExecuteList(AbstractQuery.java:191) at org.camunda.bpm.engine.impl.AbstractQuery.execute(AbstractQuery.java:168) at org.camunda.bpm.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:28) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:110) ... 27 more Caused by: java.sql.SQLRecoverableException: IO Error: Socket read interrupted at oracle.jdbc.driver.T4CPreparedStatement.executeForDescribe(T4CPreparedStatement.java:779) at oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:921) at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1099) at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3640) at oracle.jdbc.driver.T4CPreparedStatement.executeInternal(T4CPreparedStatement.java:1384) at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:3752) at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:1079) at sun.reflect.GeneratedMethodAccessor745.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:59) at com.sun.proxy.$Proxy31.execute(Unknown Source) at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:63) at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79) at org.apache.ibatis.executor.BatchExecutor.doQuery(BatchExecutor.java:93) at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324) at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148) ... 38 more Caused by: java.io.InterruptedIOException: Socket read interrupted at oracle.net.nt.TimeoutSocketChannel.handleInterrupt(TimeoutSocketChannel.java:262) at oracle.net.nt.TimeoutSocketChannel.write(TimeoutSocketChannel.java:213) at oracle.net.ns.NIOPacket.writeToSocketChannel(NIOPacket.java:308) at oracle.net.ns.NIONSDataChannel.writeDataToSocketChannel(NIONSDataChannel.java:182) at oracle.net.ns.NIONSDataChannel.writeDataToSocketChannel(NIONSDataChannel.java:133) at oracle.jdbc.driver.T4CMAREngineNIO.flush(T4CMAREngineNIO.java:741) at oracle.jdbc.driver.T4CMAREngineNIO.prepareForUnmarshall(T4CMAREngineNIO.java:754) at oracle.jdbc.driver.T4CMAREngineNIO.unmarshalUB1(T4CMAREngineNIO.java:427) at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:394) at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:255) at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:610) at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:253) at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:86) at oracle.jdbc.driver.T4CPreparedStatement.executeForDescribe(T4CPreparedStatement.java:765) ... 57 more
Standard Ausgabe (STDOUT)
Exception in thread "Thread-299" org.camunda.bpm.engine.OptimisticLockingException: ENGINE-03005 Execution of 'DELETE EventSubscriptionEntity[134307]' failed. Entity was updated by another transaction concurrently. at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.concurrentUpdateDbEntityException(EnginePersistenceLogger.java:135) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.handleConcurrentModification(DbEntityManager.java:411) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:352) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:322) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:294) at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:268) at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:186) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:119) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.test.concurrency.ConcurrencyTestCase$1.run(ConcurrencyTestCase.java:62) at java.lang.Thread.run(Thread.java:748) Exception in thread "Thread-300" org.camunda.bpm.engine.OptimisticLockingException: ENGINE-03005 Execution of 'UPDATE ExecutionEntity[134404]' failed. Entity was updated by another transaction concurrently. at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.concurrentUpdateDbEntityException(EnginePersistenceLogger.java:135) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.handleConcurrentModification(DbEntityManager.java:411) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:352) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:322) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:294) at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:268) at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:186) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:119) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.test.concurrency.ConcurrencyTestCase$1.run(ConcurrencyTestCase.java:62) at java.lang.Thread.run(Thread.java:748) Exception in thread "Thread-301" org.camunda.bpm.engine.OptimisticLockingException: ENGINE-03005 Execution of 'UPDATE ExecutionEntity[134504]' failed. Entity was updated by another transaction concurrently. at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.concurrentUpdateDbEntityException(EnginePersistenceLogger.java:135) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.handleConcurrentModification(DbEntityManager.java:411) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:352) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:322) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:294) at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:268) at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:186) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:119) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.test.concurrency.ConcurrencyTestCase$1.run(ConcurrencyTestCase.java:62) at java.lang.Thread.run(Thread.java:748) Exception in thread "Thread-302" org.camunda.bpm.engine.OptimisticLockingException: ENGINE-03005 Execution of 'UPDATE ExecutionEntity[134604]' failed. Entity was updated by another transaction concurrently. at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.concurrentUpdateDbEntityException(EnginePersistenceLogger.java:135) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.handleConcurrentModification(DbEntityManager.java:411) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:352) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:322) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:294) at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:268) at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:186) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:119) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.test.concurrency.ConcurrencyTestCase$1.run(ConcurrencyTestCase.java:62) at java.lang.Thread.run(Thread.java:748) Exception in thread "Thread-303" org.camunda.bpm.engine.OptimisticLockingException: ENGINE-03005 Execution of 'UPDATE ExecutionEntity[134706]' failed. Entity was updated by another transaction concurrently. at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.concurrentUpdateDbEntityException(EnginePersistenceLogger.java:135) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.handleConcurrentModification(DbEntityManager.java:411) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:352) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:322) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:294) at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:268) at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:186) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:119) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.test.concurrency.ConcurrencyTestCase$1.run(ConcurrencyTestCase.java:62) at java.lang.Thread.run(Thread.java:748) Exception in thread "Thread-306" org.camunda.bpm.engine.OptimisticLockingException: ENGINE-03005 Execution of 'UPDATE MessageEntity[134809]' failed. Entity was updated by another transaction concurrently. at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.concurrentUpdateDbEntityException(EnginePersistenceLogger.java:135) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.handleConcurrentModification(DbEntityManager.java:411) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:352) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:322) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:294) at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:268) at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:186) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:119) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.test.concurrency.ConcurrencyTestCase$1.run(ConcurrencyTestCase.java:62) at java.lang.Thread.run(Thread.java:748) Exception in thread "Thread-308" org.camunda.bpm.engine.ProcessEngineException: Execution with id '134906' does not have a subscription to a message event with name 'Message': eventSubscriptions is empty at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.camunda.bpm.engine.impl.util.EnsureUtil.generateException(EnsureUtil.java:394) at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotEmpty(EnsureUtil.java:126) at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotEmpty(EnsureUtil.java:119) at org.camunda.bpm.engine.impl.cmd.MessageEventReceivedCmd.execute(MessageEventReceivedCmd.java:79) at org.camunda.bpm.engine.impl.cmd.AbstractCorrelateMessageCmd.triggerExecution(AbstractCorrelateMessageCmd.java:68) at org.camunda.bpm.engine.impl.cmd.AbstractCorrelateMessageCmd.createMessageCorrelationResult(AbstractCorrelateMessageCmd.java:111) at org.camunda.bpm.engine.impl.cmd.CorrelateMessageCmd.execute(CorrelateMessageCmd.java:95) at org.camunda.bpm.engine.impl.cmd.CorrelateMessageCmd.execute(CorrelateMessageCmd.java:42) at org.camunda.bpm.engine.impl.MessageCorrelationBuilderImpl.execute(MessageCorrelationBuilderImpl.java:315) at org.camunda.bpm.engine.impl.MessageCorrelationBuilderImpl.correlateWithResult(MessageCorrelationBuilderImpl.java:224) at org.camunda.bpm.engine.impl.MessageCorrelationBuilderImpl.correlate(MessageCorrelationBuilderImpl.java:212) at org.camunda.bpm.engine.impl.MessageCorrelationBuilderImpl.correlateExclusively(MessageCorrelationBuilderImpl.java:243) at org.camunda.bpm.engine.test.concurrency.CompetingMessageCorrelationTest$ControllableMessageCorrelationCommand.execute(CompetingMessageCorrelationTest.java:592) at org.camunda.bpm.engine.test.concurrency.CompetingMessageCorrelationTest$ControllableMessageCorrelationCommand.execute(CompetingMessageCorrelationTest.java:565) at org.camunda.bpm.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:28) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:110) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.test.concurrency.ConcurrencyTestCase$1.run(ConcurrencyTestCase.java:62) at java.lang.Thread.run(Thread.java:748) Exception in thread "Thread-312" org.camunda.bpm.engine.OptimisticLockingException: ENGINE-03005 Execution of 'DELETE EventSubscriptionEntity[135107]' failed. Entity was updated by another transaction concurrently. at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.concurrentUpdateDbEntityException(EnginePersistenceLogger.java:135) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.handleConcurrentModification(DbEntityManager.java:411) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:352) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:322) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:294) at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:268) at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:186) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:119) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.test.concurrency.ConcurrencyTestCase$1.run(ConcurrencyTestCase.java:62) at java.lang.Thread.run(Thread.java:748)
Standard Fehler (STDERR)
Exception in thread "Thread-300" org.camunda.bpm.engine.OptimisticLockingException: ENGINE-03005 Execution of 'UPDATE ExecutionEntity[134404]' failed. Entity was updated by another transaction concurrently. at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.concurrentUpdateDbEntityException(EnginePersistenceLogger.java:135) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.handleConcurrentModification(DbEntityManager.java:411) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:352) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:322) at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:294) at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:268) at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:186) at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:119) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.test.concurrency.ConcurrencyTestCase$1.run(ConcurrencyTestCase.java:62) at java.lang.Thread.run(Thread.java:748)