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question asked: Jul 22 '08, 6:08 a.m.
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Unable to restart synchronization engine...

0
Karim Heredia (6●2●2) | asked Jul 22 '08, 6:08 a.m.
Hi,

I have set up synchronization between ClearCase and RTC successfully. I managed also to exchange once the contents from one to the other with no problems.

My synchronization host is a Linux RedHat RHEL 5 system with RTC 1.0 RC4 and ClearCase 7.0.1. I verified that everything works fine for ClearCase, as we use it as our source control system already.

In one synchronization, there was a timeout due to network problems, so the synchronization stalled for 48 hours. After that time, I decided to stop the ClearCaseConnector process. I used kill -9 to remove the synchronization engine, as I couldn't find any option to do it from RTC.

Now, the problem is that RTC is reporting this error every time I want to restart the synchronization engine: 


Sync:

     [Sync] action: SYNCHRONIZE

     [Sync] synchronization stream location string: Stream|URI:itemOid/com.ibm.team.scm.Workspace/_DiAgQEjlEd2AWoqu9yg4Ow

     [Sync] synchronizer version number 'I20080530-1457'

     [Sync] running on host '<removed>'

     [Sync] Synchronization exception: Synchronized stream in use by other process


There is also this exception in the "Synchronization Stack Trace.0" file: 


javax.wvcm.WvcmException: Synchronized stream in use by other process

        at com.ibm.rational.wvcm.interop.InteropStream.lockInteropStream(InteropStream.java:420)

        at com.ibm.rational.wvcm.interop.InteropStream.sync(InteropStream.java:3178)

        at com.ibm.team.connector.scm.operations.ConnectorOps.synchronizeStream(ConnectorOps.java:158)

        at com.ibm.team.connector.scm.task.ConnectorTasks.updateBuildResult(ConnectorTasks.java:87)

        at com.ibm.team.build.ant.task.AbstractPublisherTask.doExecute(AbstractPublisherTask.java:107)

        at com.ibm.team.build.ant.task.AbstractTeamBuildTask.execute(AbstractTeamBuildTask.java:419)

        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

        at java.lang.reflect.Method.invoke(Method.java:618)

        at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)

        at org.apache.tools.ant.Task.perform(Task.java:348)

        at org.apache.tools.ant.Target.execute(Target.java:357)

        at org.apache.tools.ant.Target.performTasks(Target.java:385)

        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)

        at org.apache.tools.ant.Project.executeTarget(Project.java:1298)

        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)

        at org.apache.tools.ant.Project.executeTargets(Project.java:1181)

        at org.apache.tools.ant.Main.runBuild(Main.java:698)

        at org.apache.tools.ant.Main.startAnt(Main.java:199)

        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)

        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)


I couldn't find any process that might be using this synchronized stream, and even restarted the synchronization host to start with a clean environment.

Any pointers would be helpful.

Thanks,

Karim

2 answers

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0
permanent link
Geoffrey Clemm (30.1k●3●30●35) | answered Jul 22 '08, 7:01 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER
Please see the dynamic help topic: "Unlocking a synchronized stream".

In particular, it says:
---------
If the synchronization engine process is terminated or the Jazz Team
Server becomes unreachable during a synchronization, the synchronized
stream remains locked. You must unlock the stream and then re-start the
synchronization process.
To unlock a synchronized stream:

Open the ClearCase Synchronized Streams view, right-click the stream
that is locked and click Properties.
On the ClearCase Provider Properties page, click Unlock.
Re-start the synchronization process. For more information, see
Re-starting the synchronization process.
---------

Cheers,
Geoff


karim.heredia wrote:
Hi,

I have set up synchronization between ClearCase and RTC successfully.
I managed also to exchange once the contents from one to the other
with no problems.

My synchronization host is a Linux RedHat RHEL 5 system with RTC 1.0
RC4 and ClearCase 7.0.1. I verified that everything works fine for
ClearCase, as we use it as our source control system already.

In one synchronization, there was a timeout due to network problems,
so the synchronization stalled for 48 hours. After that time, I
decided to stop the ClearCaseConnector process. I used kill -9 to
remove the synchronization engine, as I couldn't find any option to
do it from RTC.

Now, the problem is that RTC is reporting this error every time I want
to restart the synchronization engine:


Sync:
action: SYNCHRONIZE
synchronization stream location string:
Stream|URI:itemOid/com.ibm.team.scm.Workspace/_DiAgQEjlEd2AWoqu9yg4Ow
synchronizer version number 'I20080530-1457'
running on host '<removed>'
Synchronization exception: Synchronized stream
in use by other process


There is also this exception in the "Synchronization Stack
Trace.0" file:


javax.wvcm.WvcmException: Synchronized stream in use by other
process
at
com.ibm.rational.wvcm.interop.InteropStream.lockInteropStream(InteropStream.java:420)
at
com.ibm.rational.wvcm.interop.InteropStream.sync(InteropStream.java:3178)
at
com.ibm.team.connector.scm.operations.ConnectorOps.synchronizeStream(ConnectorOps.java:158)
at
com.ibm.team.connector.scm.task.ConnectorTasks.updateBuildResult(ConnectorTasks.java:87)
at
com.ibm.team.build.ant.task.AbstractPublisherTask.doExecute(AbstractPublisherTask.java:107)
at
com.ibm.team.build.ant.task.AbstractTeamBuildTask.execute(AbstractTeamBuildTask.java:419)
at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at
java.lang.reflect.Method.invoke(Method.java:618)
at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
at
org.apache.tools.ant.Task.perform(Task.java:348)
at
org.apache.tools.ant.Target.execute(Target.java:357)
at
org.apache.tools.ant.Target.performTasks(Target.java:385)
at
org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
at
org.apache.tools.ant.Project.executeTarget(Project.java:1298)
at
org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at
org.apache.tools.ant.Project.executeTargets(Project.java:1181)
at
org.apache.tools.ant.Main.runBuild(Main.java:698)
at
org.apache.tools.ant.Main.startAnt(Main.java:199)
at
org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
at
org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)


I couldn't find any process that might be using this synchronized
stream, and even restarted the synchronization host to start with a
clean environment.

Any pointers would be helpful.

Thanks,

Karim
0
permanent link
Karim Heredia (6●2●2) | answered Jul 22 '08, 9:59 a.m.
Thanks Geoff. Worked perfectly,

Karim

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