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https://issues.apache.org/jira/browse/BEAM-2629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16090949#comment-16090949
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ASF GitHub Bot commented on BEAM-2629:
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GitHub user nkilmer opened a pull request:
https://github.com/apache/beam/pull/3581
[BEAM-2629] Fixed adding timestamp and id attributes to pubsub messages
See the writeup here: https://issues.apache.org/jira/browse/BEAM-2629
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/nkilmer/beam pubsub-attribute-fix
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/3581.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 #3581
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commit e50e5f6b56eee3acaa17ebb7b840a942ac178c6a
Author: Nigel Kilmer <[email protected]>
Date: 2017-07-18T01:09:57Z
Fixed adding timestamp and id attributes to pubsub messages
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> Adding timestamp and id attributes to pubsub messages with no other
> attributes causes an exception.
> ---------------------------------------------------------------------------------------------------
>
> Key: BEAM-2629
> URL: https://issues.apache.org/jira/browse/BEAM-2629
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-gcp
> Affects Versions: 2.2.0
> Reporter: Nigel Kilmer
> Assignee: Nigel Kilmer
>
> I'm trying to use PubsubIO.writeProtos along with a timestamp and id
> attribute. When PubsubIO tries to write the messages to my topic, it throws a
> PipelineExecutionException with this cause:
> Caused by: java.lang.UnsupportedOperationException
> at java.util.AbstractMap.put(AbstractMap.java:209)
> at
> org.apache.beam.sdk.io.gcp.pubsub.PubsubJsonClient.publish(PubsubJsonClient.java:148)
> at
> org.apache.beam.sdk.io.gcp.pubsub.PubsubUnboundedSink$WriterFn.publishBatch(PubsubUnboundedSink.java:249)
> at
> org.apache.beam.sdk.io.gcp.pubsub.PubsubUnboundedSink$WriterFn.processElement(PubsubUnboundedSink.java:285)
> Looks like the problem is that PubsubJsonClient attempts to add the timestamp
> and id attributes to a map which may be empty and immutable if no other
> attributes are specified on the message. I will submit a pull request with a
> fix for this bug shortly.
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