[kepler-users] Problems when executing workflow in headless kepler command line using workflow kar file

[Madhavi Tikhe]

Hi,

When I try run the workflow using the the kar file using kepler command line, I get the following exception.

Ø   kepler.sh -runwf -nogui] workflow.kar

Extracting workflow from KAR
java.lang.NullPointerException
        at org.kepler.util.sql.DatabaseFactory.getDBConnection(DatabaseFactory.java:89)
        at org.kepler.objectmanager.cache.LocalRepositoryManager.<init>(LocalRepositoryManager.java:148)
        at org.kepler.objectmanager.cache.LocalRepositoryManager$LocalRepositoryManagerHolder.<clinit>(LocalRepositoryManager.java:855)
        at org.kepler.objectmanager.cache.LocalRepositoryManager.getInstance(LocalRepositoryManager.java:851)
        at org.kepler.kar.KARFile.cacheKARContents(KARFile.java:567)
        at com.lifetech.cgr.service.AnalysisControlManager.getManager(AnalysisControlManager.java:136)
        at com.lifetech.cgr.service.AnalysisControlManager.launchOneAnalaysis(AnalysisControlManager.java:60)
        at com.lifetech.cgr.service.LifeScopeCommandLineServer.manageOperations(LifeScopeCommandLineServer.java:160)
        at com.lifetech.cgr.service.LifeScopeCommandLineServer.run(LifeScopeCommandLineServer.java:121)
        at java.lang.Thread.run(Thread.java:636)
Exception in thread "Thread-0" java.lang.ExceptionInInitializerError
        at org.kepler.objectmanager.cache.LocalRepositoryManager.getInstance(LocalRepositoryManager.java:851)
        at org.kepler.kar.KARFile.cacheKARContents(KARFile.java:567)
        at com.lifetech.cgr.service.AnalysisControlManager.getManager(AnalysisControlManager.java:136)
        at com.lifetech.cgr.service.AnalysisControlManager.launchOneAnalaysis(AnalysisControlManager.java:60)
        at com.lifetech.cgr.service.LifeScopeCommandLineServer.manageOperations(LifeScopeCommandLineServer.java:160)
        at com.lifetech.cgr.service.LifeScopeCommandLineServer.run(LifeScopeCommandLineServer.java:121)
        at java.lang.Thread.run(Thread.java:636)
Caused by: java.lang.NullPointerException
        at org.kepler.objectmanager.cache.LocalRepositoryManager.<init>(LocalRepositoryManager.java:154)
        at org.kepler.objectmanager.cache.LocalRepositoryManager$LocalRepositoryManagerHolder.<clinit>(LocalRepositoryManager.java:855)
        ... 7 more

I don't have any database installed or configured for kepler. And I tried executing kepler after clearing the kepler cache. Does anybody have any idea about the possible cause of this exception and possible solution?
This  exception is blocking my work. Please let me know if there is any quick fix available.

Regards,
Madhavi


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