Hi,
Some times we are observing following Activiti dead lock SQL traces in our setup, Not sure How to reproduce this issue . Did any one observe the same issue in your setup ?
Feb 25, 2015 1:13:05 PM org.activiti.engine.impl.interceptor.CommandContext close
SEVERE: Error while closing command context
org.apache.ibatis.exceptions.PersistenceException:
### Error updating database. Cause: java.sql.SQLException: ORA-00060: deadlock detected while waiting for resource
### The error may involve org.activiti.engine.impl.persistence.entity.HistoricActivityInstanceEntity.updateHistoricActivityInstance-Inline
### The error occurred while setting parameters
### SQL: update ACT_HI_ACTINST set EXECUTION_ID_ = ?, ASSIGNEE_ = ?, END_TIME_ = ?, DURATION_ = ? where ID_ = ?
### Cause: java.sql.SQLException: ORA-00060: deadlock detected while waiting for resource
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:23)
at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:150)
at org.activiti.engine.impl.db.DbSqlSession.flushUpdates(DbSqlSession.java:560)
at org.activiti.engine.impl.db.DbSqlSession.flush(DbSqlSession.java:444)
at org.activiti.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:170)
at org.activiti.engine.impl.interceptor.CommandContext.close(CommandContext.java:117)
at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:66)
at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:47)
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:131)
at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:45)
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)
at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:40)
at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:35)
at org.activiti.engine.impl.jobexecutor.ExecuteJobsRunnable.run(ExecuteJobsRunnable.java:46)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: java.sql.SQLException: ORA-00060: deadlock detected while waiting for resource
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:445)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:396)
at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:879)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:450)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:192)
at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:531)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:207)
at oracle.jdbc.driver.T4CPreparedStatement.executeForRows(T4CPreparedStatement.java:1044)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1329)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3594)
at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:3695)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:1378)
at weblogic.jdbc.wrapper.PreparedStatement.execute(PreparedStatement.java:101)