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From "Al Yaros (JIRA)" <j...@apache.org>
Subject [jira] [Created] (BEAM-2837) Writing To Spanner From Google Cloud DataFlow - Failure
Date Sat, 02 Sep 2017 19:07:00 GMT
Al Yaros created BEAM-2837:
------------------------------

             Summary: Writing To Spanner From Google Cloud DataFlow - Failure
                 Key: BEAM-2837
                 URL: https://issues.apache.org/jira/browse/BEAM-2837
             Project: Beam
          Issue Type: Bug
          Components: runner-dataflow
    Affects Versions: 2.1.0
         Environment: Google Cloud DataFlow
            Reporter: Al Yaros
            Assignee: Thomas Groh


Simple Java Program That reads from Pub\Sub and Writes to Spanner Fails with cryptic error
message.

Simple Program to Demonstrate the Error:
[https://github.com/alyaros/ExamplePubSubToSpannerViaDataFlow]

{code:java}

*Caused by: org.apache.beam.sdk.util.UserCodeException: java.lang.NoClassDefFoundError: Could
not initialize class com.google.cloud.spanner.spi.v1.SpannerErrorInterceptor
        org.apache.beam.sdk.util.UserCodeException.wrap(UserCodeException.java:36)
        org.apache.beam.sdk.io.
gcp.spanner.SpannerWriteGroupFn$DoFnInvoker.invokeSetup(Unknown Source)
        com.google.cloud.dataflow.worker.DoFnInstanceManagers$ConcurrentQueueInstanceManager.deserializeCopy(DoFnInstanceManagers.java:66)
        com.google.cloud.dataflow.worker.DoFnInstanceManagers$ConcurrentQueueInstanceManager.peek(DoFnInstanceManagers.java:48)
        com.google.cloud.dataflow.worker.UserParDoFnFactory.create(UserParDoFnFactory.java:104)
        com.google.cloud.dataflow.worker.DefaultParDoFnFactory.create(DefaultParDoFnFactory.java:66)
        com.google.cloud.dataflow.worker.MapTaskExecutorFactory.createParDoOperation(MapTaskExecutorFactory.java:360)
        com.google.cloud.dataflow.worker.MapTaskExecutorFactory$3.typedApply(MapTaskExecutorFactory.java:271)
        com.google.cloud.dataflow.worker.MapTaskExecutorFactory$3.typedApply(MapTaskExecutorFactory.java:253)
        com.google.cloud.dataflow.worker.graph.Networks$TypeSafeNodeFunction.apply(Networks.java:55)
        com.google.cloud.dataflow.worker.graph.Networks$TypeSafeNodeFunction.apply(Networks.java:43)
        com.google.cloud.dataflow.worker.graph.Networks.replaceDirectedNetworkNodes(Networks.java:78)
        com.google.cloud.dataflow.worker.MapTaskExecutorFactory.create(MapTaskExecutorFactory.java:142)
        com.google.cloud.dataflow.worker.StreamingDataflowWorker.process(StreamingDataflowWorker.java:925)
        com.google.cloud.dataflow.worker.StreamingDataflowWorker.access$800(StreamingDataflowWorker.java:133)
        com.google.cloud.dataflow.worker.StreamingDataflowWorker$7.run(StreamingDataflowWorker.java:771)
        java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        java.lang.Thread.run(Thread.java:745)*
{code}








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