[jira] [Updated] (BEAM-9947) Timer coder contains a faulty key coder leading to a corrupted encoding

["Kenneth Knowles (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-9947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kenneth Knowles updated BEAM-9947:
----------------------------------
    Status: Open  (was: Triage Needed)

> Timer coder contains a faulty key coder leading to a corrupted encoding
> -----------------------------------------------------------------------
>
>                 Key: BEAM-9947
>                 URL: https://issues.apache.org/jira/browse/BEAM-9947
>             Project: Beam
>          Issue Type: Bug
>          Components: java-fn-execution, sdk-py-core
>            Reporter: Maximilian Michels
>            Assignee: Maximilian Michels
>            Priority: Critical
>             Fix For: 2.21.0
>
>
> The coder for timers contains a key coder which may have to be length-prefixed in case of a non-standard coders. We noticed that this was not reflected in the
> ProcessBundleDescriptor leading to errors like this one for non-standard coders, e.g. Python's {{FastPrimitivesCoder}}:
> {noformat}
> Caused by: org.apache.beam.sdk.coders.CoderException: java.io.EOFException: reached end of stream after reading 36 bytes; 68 bytes expected
> 	at org.apache.beam.sdk.coders.StringUtf8Coder.decode(StringUtf8Coder.java:104)
> 	at org.apache.beam.sdk.coders.StringUtf8Coder.decode(StringUtf8Coder.java:90)
> 	at org.apache.beam.runners.core.construction.Timer$Coder.decode(Timer.java:194)
> 	at org.apache.beam.runners.core.construction.Timer$Coder.decode(Timer.java:157)
> 	at org.apache.beam.sdk.fn.data.BeamFnDataInboundObserver.accept(BeamFnDataInboundObserver.java:81)
> 	at org.apache.beam.sdk.fn.data.BeamFnDataInboundObserver.accept(BeamFnDataInboundObserver.java:31)
> 	at org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer$InboundObserver.onNext(BeamFnDataGrpcMultiplexer.java:180)
> 	at org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer$InboundObserver.onNext(BeamFnDataGrpcMultiplexer.java:127)
> 	at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onMessage(ServerCalls.java:251)
> 	at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.ForwardingServerCallListener.onMessage(ForwardingServerCallListener.java:33)
> 	at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.Contexts$ContextualizedServerCallListener.onMessage(Contexts.java:76)
> 	at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.messagesAvailableInternal(ServerCallImpl.java:309)
> 	at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.messagesAvailable(ServerCallImpl.java:292)
> 	at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1MessagesAvailable.runInContext(ServerImpl.java:782)
> 	at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
> 	at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	... 1 more
> {noformat}



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