start.sh script not starting system components. Throws following errors

Starting obiccs1 (Original State:SHUTDOWN) ...

Received error message from Node Manager Server: [Server start command for OBICCS server 'obiccs1' failed due to: [Unexpected exception from Plugin: java.lang.NullPointerException]. Please check Node Manager log and/or server 'obiccs1' log for detailed information.]. Please check Node Manager log for details.

Found the following in nodemanager log

<Feb 25, 2016 12:30:52 PM PST> <WARNING> <Server start command for OBIJH server 'obijh2' failed due to: [Unexpected exception from Plugin: java.lang.NullPointerException]. Please check Node Manager log and/or server 'obijh2' log for detailed information.>
<Feb 25, 2016 12:30:54 PM PST> <INFO> <gcw12domain> <obisch2> <Startup configuration properties saved to "/u02/app/oracle/config/domains/gcw12domain/system_components/OBISCH/obisch2/data/nodemanager/startup.properties">
Feb 25, 2016 12:30:54 PM oracle.bi.cam.obisch.plugin.nodemanager.OBISCHSystemComponentManager logProcessInfo
INFO: Process: createProcess(); pid: null; isAlive: (null); currentState: STOPPED
<Feb 25, 2016 12:30:54 PM PST> <SEVERE> <Plugin threw out unexpected exception java.lang.NullPointerException from method oracle.bi.cam.obisch.plugin.nodemanager.WrappedProcess.start(Properties props). This is very likely a BUG in plugin implementation and may lead to unexpected behavior. The legal exception allowed from this method is java.io.IOException. The unexpected exception is: java.lang.NullPointerException>
java.lang.NullPointerException
         at java.io.File.<init>(File.java:277)
         at oracle.bi.cam.obisch.common.Util.getOBISCHProductHome(Util.java:36)
         at oracle.bi.cam.obisch.plugin.OBISCHPluginFactory.getOBISCHProductHome(OBISCHPluginFactory.java:39)
         at oracle.bi.cam.obisch.plugin.nodemanager.OBISCHSystemComponentManager.getOBISCHProductHome(OBISCHSystemComponentManager.java:70)
         at oracle.bi.cam.obisch.plugin.nodemanager.OBISCHSystemComponentManager.specifyCmdLine(OBISCHSystemComponentManager.java:115)
         at weblogic.nodemanager.server.NMProcess.start(NMProcess.java:148)
         at oracle.bi.cam.obisch.plugin.nodemanager.WrappedProcess.start(WrappedProcess.java:25)
         at weblogic.nodemanager.server.DecoratedSystemComponentManager$DecoratedProcess.start(DecoratedSystemComponentManager.java:129)
         at weblogic.nodemanager.server.ServerMonitor.startProcess(ServerMonitor.java:502)
         at weblogic.nodemanager.server.ServerMonitor.start(ServerMonitor.java:94)
         at weblogic.nodemanager.server.ServerManager.startServer(ServerManager.java:306)
         at weblogic.nodemanager.server.ServerManager.start(ServerManager.java:287)
         at weblogic.nodemanager.server.Handler.handleStart(Handler.java:843)
         at weblogic.nodemanager.server.Handler.handleCommand(Handler.java:164)
         at weblogic.nodemanager.server.Handler.run(Handler.java:89)
         at java.lang.Thread.run(Thread.java:745)
<Feb 25, 2016 12:30:54 PM PST> <WARNING> <Server start command for OBISCH server 'obisch2' failed due to: [Unexpected exception from Plugin: java.lang.NullPointerException]. Please check Node Manager log and/or server 'obisch2' log for detailed information.>