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  1. Infinispan
  2. ISPN-6303

ClassNotFoundException while executing Map/Reduce task over JavaScript which is called from Jar (Server Task)

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      When trying to execute Map/Reduce task over JavaScript which is called from the Jar Task deployed on infinispan-server, the following exception is thrown:

      java.lang.ClassNotFoundException: org.infinispan.scripting.utils.JSArrays from [Module "org.jgroups.extension:main" from local module loader @33e5ccce (finder: local module finder @5a42bbf4 (roots: /home/amanukya/Documents/Red Hat Workspace/infinispan/server/integration/testsuite/target/server/node2/modules,/home/amanukya/Documents/Red Hat Workspace/infinispan/server/integration/testsuite/target/server/node2/modules/system/layers/base))]
	at org.infinispan.client.hotrod.impl.protocol.Codec20.checkForErrorsInResponseStatus(Codec20.java:343)
	at org.infinispan.client.hotrod.impl.protocol.Codec20.readPartialHeader(Codec20.java:132)
	at org.infinispan.client.hotrod.impl.protocol.Codec20.readHeader(Codec20.java:118)
	at org.infinispan.client.hotrod.impl.operations.HotRodOperation.readHeaderAndValidate(HotRodOperation.java:56)
	at org.infinispan.client.hotrod.impl.operations.ExecuteOperation.executeOperation(ExecuteOperation.java:49)
	at org.infinispan.client.hotrod.impl.operations.RetryOnFailureOperation.execute(RetryOnFailureOperation.java:54)
	at org.infinispan.client.hotrod.impl.RemoteCacheImpl.execute(RemoteCacheImpl.java:703)
	at org.infinispan.server.test.task.DistributedServerTaskIT.shouldExecuteMapReduceViaJavaScriptInTask(DistributedServerTaskIT.java:182)

      The thing is that, the org.infinispan.scripting and org.infinispan modules are added as a dependency to the jar in MANIFEST.MF class, but still it looks for that in org.jgroups.extension:main module.
      If I am adding the infinispan module dependencies in org.jgroups.extension:main:module.xml , then test passes.

      You can find the test here (remove @Ignore annotation):
      https://github.com/infinispan/infinispan/blob/master/server/integration/testsuite/src/test/java/org/infinispan/server/test/task/DistributedServerTaskIT.java#L187

      UPDATE:

      The exception is thrown in case of 2 node deployment with clustered caches. For 1 node deployment with local cache, the test passes properly.
      The same passing test for LOCAL cache usage is: https://github.com/infinispan/infinispan/blob/master/server/integration/testsuite/src/test/java/org/infinispan/server/test/task/LocalServerTaskIT.java#L105

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          Bug - A problem that impairs or prevents the functions of the product. JDG-322 Exception while executing distributed streaming task over JavaScript which is called from Jar (Server Task)

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

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              rh-ee-galder Galder Zamarreño
              amanukya@redhat.com Anna Manukyan
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