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https://issues.apache.org/jira/browse/BEAM-2837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16186716#comment-16186716
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ASF GitHub Bot commented on BEAM-2837:
--------------------------------------
GitHub user mairbek opened a pull request:
https://github.com/apache/beam/pull/3925
[BEAM-2837] OrderedCode library
provides encoding a sequence of typed entities into a byte array that can
be lexicographically sorted.
R: @chamikaramj
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mairbek/beam orderedcode2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/3925.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3925
----
commit 077523b0f370c9cf02b4ddb179aa3e6893771dbc
Author: Mairbek Khadikov <mair...@google.com>
Date: 2017-09-29T23:43:05Z
OrderedCode library provides encoding a sequence of typed enities into a
byte array that can be lexicographically sorted.
----
> 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: Mairbek Khadikov
> Fix For: 2.2.0
>
>
> 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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