[JBoss JIRA] Created: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
2:50 p.m.
Save exceptions thrown while executing a job in a separate transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Currently the stack trace printout is saved in the same transaction provided the exception
is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
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6:58 p.m.
New subject: [JBoss JIRA] Updated: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Alejandro Guizar updated JBPM-2691:
-----------------------------------
Attachment: JobExecutorThread.diff
Attaching patch for branch jbpm-3.2-soa.
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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3:02 a.m.
New subject: [JBoss JIRA] Commented: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Bernd Ruecker commented on JBPM-2691:
-------------------------------------
The patch looks good and works for me
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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3:02 a.m.
New subject: [JBoss JIRA] Commented: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Bernd Ruecker commented on JBPM-2691:
-------------------------------------
Just to add the original problem description from the Emails:
The JobExecutorThread stores the Exception in the Job. But it should as well rollback the
transaction of the job execution itself. So we need two different transactions, one for
executing the job and one for storing the exception. But actually the current code (3.2.8)
doesn't rollback at all, but just stores the exception, which is a wrong behavior and
leads to inconsistent states.
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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4:40 a.m.
New subject: [JBoss JIRA] Commented: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Bernd Ruecker commented on JBPM-2691:
-------------------------------------
Hey Alex, the current proposed path seems to make some trouble when executing a Timer
which throws an exception:
12:40:09,061 WARN [Timer] timer action threw exception
java.lang.Exception: Technical Exception
at ...jbpm.actions.test.ThrowException.execute(ThrowException.java:20)
at org.jbpm.graph.def.Action.execute(Action.java:137)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:173)
at org.jbpm.graph.def.Action_$$_javassist_34.execute(Action_$$_javassist_34.java)
at org.jbpm.job.Timer.execute(Timer.java:60)
at org.jbpm.job.executor.JobExecutorThread.executeJob(JobExecutorThread.java:180)
at org.jbpm.job.executor.JobExecutorThread.run(JobExecutorThread.java:64)
12:40:09,070 ERROR [JobExecutorThread] exception in JbpmJobExector:127.0.1.1:1, waiting
80000 ms
org.jbpm.persistence.JbpmPersistenceException: could not reattach Timer(timer,2009-12-18
12:36:52,711,Token(/))
at org.jbpm.db.JobSession.reattachJob(JobSession.java:146)
at org.jbpm.job.executor.JobExecutorThread.saveJobException(JobExecutorThread.java:222)
at org.jbpm.job.executor.JobExecutorThread.run(JobExecutorThread.java:67)
Caused by: org.hibernate.NonUniqueObjectException: a different object with the same
identifier value was already associated with the session:
[org.jbpm.graph.exe.Token#18360]
at
org.hibernate.engine.StatefulPersistenceContext.checkUniqueness(StatefulPersistenceContext.java:590)
at
org.hibernate.event.def.AbstractReassociateEventListener.reassociate(AbstractReassociateEventListener.java:53)
at
org.hibernate.event.def.DefaultLockEventListener.onLock(DefaultLockEventListener.java:59)
at org.hibernate.impl.SessionImpl.fireLock(SessionImpl.java:584)
at org.hibernate.impl.SessionImpl.lock(SessionImpl.java:572)
at org.hibernate.engine.CascadingAction$2.cascade(CascadingAction.java:145)
at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
at
org.hibernate.event.def.DefaultLockEventListener.cascadeOnLock(DefaultLockEventListener.java:71)
at
org.hibernate.event.def.DefaultLockEventListener.onLock(DefaultLockEventListener.java:61)
at org.hibernate.impl.SessionImpl.fireLock(SessionImpl.java:584)
at org.hibernate.impl.SessionImpl.lock(SessionImpl.java:576)
at org.jbpm.db.JobSession.reattachJob(JobSession.java:143)
... 2 more
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
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9:15 a.m.
New subject: [JBoss JIRA] Commented: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Bernd Ruecker commented on JBPM-2691:
-------------------------------------
I was in a hurry to get it working, I just changed that line to get it working. But I am
still a bit puzzled why the reattached throws an exception if we have a new JbpmSession?
Environment is the soa-p 3.4.0
private void saveJobException(Job job, Exception exception) {
JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
try {
JobSession jobSession = jbpmContext.getJobSession();
// jobSession.reattachJob(job);
job = jobSession.getJob(job.getId());
StringWriter out = new StringWriter();
exception.printStackTrace(new PrintWriter(out));
job.setException(out.toString());
job.setRetries(job.getRetries() - 1);
}
finally {
jbpmContext.close();
}
}
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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10:01 p.m.
New subject: [JBoss JIRA] Updated: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Alejandro Guizar updated JBPM-2691:
-----------------------------------
Bernd, I don't know why reattaching fails, but I opted for reloading the job anyway
because the existing instance could be in an inconsistent state after the exception. The
code I committed today already takes this into consideration.
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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10:01 p.m.
New subject: [JBoss JIRA] Resolved: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Alejandro Guizar resolved JBPM-2691.
------------------------------------
Resolution: Done
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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7:58 a.m.
New subject: [JBoss JIRA] Commented: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Alejandro Guizar commented on JBPM-2691:
----------------------------------------
This update caused regression in SQL Server at JBPM983Test. Sadly, concurrent updates
under snapshot isolation are reported as SQLGrammarException instead of
LockAcquisitionExceptions. Jobs hit by locking exceptions are retried immediately, whereas
jobs hit by other exceptions are not retried even once due to an oversight. Field
Job.retries is initialized to 1, which should mean "retry once". However, if an
exception occurs, the job executor decreases the job's retries by one. With retries
set to 0, query JobSession.getFirstAcquirableJob never selects that job again.
The usefulness of field Job.retries is questionable because there is no way to configure a
higher value other than updating the job itself.
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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8:23 a.m.
New subject: [JBoss JIRA] Reopened: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Alejandro Guizar reopened JBPM-2691:
------------------------------------
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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8:23 a.m.
New subject: [JBoss JIRA] Updated: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Alejandro Guizar updated JBPM-2691:
-----------------------------------
[snip] The usefulness of field Job.retries is questionable because there is no way to
configure a higher value other than updating the job itself. [/snip]
JobExecutor should have a configurable retries field. The field should default to 1 for
backwards compatibility, and set to 2 in default.jbpm.cfg.xml to allow for retries. It
should be emphasized that before JBPM-2691 the retry feature was only partially
functional.
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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6:06 p.m.
New subject: [JBoss JIRA] Work started: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Work on JBPM-2691 started by Alejandro Guizar.
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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1:38 p.m.
New subject: [JBoss JIRA] Resolved: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Alejandro Guizar resolved JBPM-2691.
------------------------------------
Resolution: Done
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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1:38 p.m.
New subject: [JBoss JIRA] Updated: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Alejandro Guizar updated JBPM-2691:
-----------------------------------
Made number of job retries configurable.
Refined job executor thread restoration code by exploiting
ThreadGroup.uncaughtException()
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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10:44 p.m.
New subject: [JBoss JIRA] Commented: (JBPM-2691) Save exceptions thrown while executing a job in a separate transaction
[
https://jira.jboss.org/jira/browse/JBPM-2691?page=com.atlassian.jira.plug...
]
Alejandro Guizar commented on JBPM-2691:
----------------------------------------
Reverted command to save job exception. ESB message service will implement its own
behavior, cf. SOA-1882.
ExecuteJobCommand no longer attempts to save the exception or retry the job. These
responsibilities are fully delegated to the MDB container.
Save exceptions thrown while executing a job in a separate
transaction
----------------------------------------------------------------------
Key: JBPM-2691
URL: https://jira.jboss.org/jira/browse/JBPM-2691
Project: jBPM
Issue Type: Bug
Affects Versions: jBPM 3.2.8
Reporter: Alejandro Guizar
Assignee: Alejandro Guizar
Fix For: jBPM 3.2.9
Attachments: JobExecutorThread.diff
Original Estimate: 0 minutes
Remaining Estimate: 0 minutes
Currently the stack trace printout is saved in the same transaction provided the
exception is not related to persistence. This scheme has two drawbacks:
1. Exceptions not related to persistence may still leave the job and the process instance
as a whole in an inconsistent state.
2. Persistence exceptions are never saved.
Hence saving the stack trace in a separate transaction would be preferable.
--
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5444
days inactive
5489
days old
14 comments
2 participants
participants (2)
-
Alejandro Guizar (JIRA) -
Bernd Ruecker (JIRA)