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DB2 discovery fails with an IndexOutOfBoundsException during discovery

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snapcenter
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SNAPX
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Applies to

  • SnapCenter Server 6.0 and higher (java version opf the DB2 plug-in)
  • SnapCenter plug-in for DB2 3.0

Issue

The main error returned is an exit code:
com.netapp.plugincreator.workflow.task.AppCompleteDiscoveryTask -SCC-00175: Auto Complete Discovery for plug-in [DB2] failed with error [null] and exit code [-1]. Exiting.
However, looking above that in the db2_<JOB>.log, you can find:
com.netapp.plugincreator.workflow.task.AppCompleteDiscoveryTask -Index 0 out of bounds for length 0 
java.lang.IndexOutOfBoundsException: Index 0 out of bounds for length 0
    at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
    at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
    at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:266)
    at java.base/java.util.Objects.checkIndex(Objects.java:361)
    at java.base/java.util.ArrayList.get(ArrayList.java:427)
    at com.netapp.snapcreator.workflow.task.AppCompleteDiscoveryTask.populatingIds(AppCompleteDiscoveryTask.java:149)
    at com.netapp.snapcreator.workflow.task.AppCompleteDiscoveryTask.extractResponse(AppCompleteDiscoveryTask.java:195)
    at com.netapp.snapcreator.workflow.task.AppCompleteDiscoveryTask.execute(AppCompleteDiscoveryTask.java:105)
    at com.netapp.snapcreator.workflow.impl.SCTaskCallableBlocking.call(SCTaskCallableBlocking.java:67)
    at com.netapp.snapcreator.workflow.impl.SCTaskCallableBlocking.call(SCTaskCallableBlocking.java:26)
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    at java.base/java.lang.Thread.run(Thread.java:840)
Note: this error only comes after it has gathered all data from DB2 and is testing the outputs.

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