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  1. OODT
  2. OODT-550

'getFirstPage' Command Throws Exception After Restarting Server

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Details

    • Bug
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • 0.5
    • 0.11
    • workflow manager
    • None

    Description

      Running the getFirstPage command after restarting the Workflow Manager Server throws an exception. Below shows the set of commands to run to reproduce the issue:

      % ./wmgr-client -u http://localhost:9001 --operation --getFirstPage
      Page: [num=0,pageSize=0,totalPages=0]
      
      % ./wmgr-client -u http://localhost:9001 -en urn:oodt:TestParallel --metaData --key numSeconds 15 -op -se
      Sending event 'urn:oodt:TestParallel'... SUCCESS
      
      % ./wmgr-client -u http://localhost:9001 --operation --getFirstPage
      Page: [num=1,pageSize=20,totalPages=1]
      Instance: [id=4e5a2d0c-4b47-11e2-977b-c39e66f8f1d5, status=STARTED, currentTask=urn:oodt:IntensiveTask, workflow=Parallel Single Task Processor Intensive Task, wallClockTime=0.09376666666666668, currentTaskWallClockTime=0.0]
      Instance: [id=4e4e6d3b-4b47-11e2-977b-c39e66f8f1d5, status=FINISHED, currentTask=urn:oodt:GoodbyeWorld, workflow=HelloGoodbye, wallClockTime=0.0049, currentTaskWallClockTime=0.0]
      
      % ./wmgr restart
      -n Shutting down cas workflow manager: 
      OK
      -n Starting cas workflow manager: 
      OK
      Dec 21, 2012 12:21:50 AM org.apache.oodt.cas.workflow.system.XmlRpcWorkflowManager loadProperties
      INFO: Loading Workflow Manager Configuration Properties from: [../etc/workflow.properties]
      Dec 21, 2012 12:21:50 AM org.apache.oodt.cas.workflow.engine.ThreadPoolWorkflowEngineFactory getResmgrUrl
      INFO: No Resource Manager URL provided or malformed URL: executing jobs locally. URL: []
      Adding condition: [Timeout Condition] to parent workflow: [TestParallel]
      Dec 21, 2012 12:21:50 AM org.apache.oodt.cas.workflow.system.XmlRpcWorkflowManager <init>
      INFO: Workflow Manager started by mcayanan
      
      % ./wmgr-client -u http://localhost:9001 --operation --getFirstPage
      org.apache.xmlrpc.XmlRpcException: java.lang.Exception: java.lang.NullPointerException
      at org.apache.xmlrpc.XmlRpcClientResponseProcessor.decodeException(XmlRpcClientResponseProcessor.java:104)
      at org.apache.xmlrpc.XmlRpcClientResponseProcessor.decodeResponse(XmlRpcClientResponseProcessor.java:71)
      at org.apache.xmlrpc.XmlRpcClientWorker.execute(XmlRpcClientWorker.java:73)
      at org.apache.xmlrpc.XmlRpcClient.execute(XmlRpcClient.java:194)
      at org.apache.xmlrpc.XmlRpcClient.execute(XmlRpcClient.java:185)
      at org.apache.xmlrpc.XmlRpcClient.execute(XmlRpcClient.java:178)
      at org.apache.oodt.cas.workflow.system.XmlRpcWorkflowManagerClient.getFirstPage(XmlRpcWorkflowManagerClient.java:122)
      at org.apache.oodt.cas.workflow.cli.action.GetFirstPageCliAction.execute(GetFirstPageCliAction.java:47)
      at org.apache.oodt.cas.cli.CmdLineUtility.execute(CmdLineUtility.java:331)
      at org.apache.oodt.cas.cli.CmdLineUtility.run(CmdLineUtility.java:187)
      at org.apache.oodt.cas.workflow.system.XmlRpcWorkflowManagerClient.main(XmlRpcWorkflowManagerClient.java:678)
      ERROR: Failed to get first page of workflows : java.lang.Exception: java.lang.NullPointerException
      

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            chrismattmann Chris A. Mattmann
            mcayanan Michael Cayanan
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              Created:
              Updated:
              Resolved: