[BEAM-7414] RabbitMqMessage can't be serialized due to LongString in headers

• Type: Bug
• Status: Resolved
• Priority: P2
• Resolution: Fixed
• Affects Version/s: 2.12.0
• Fix Version/s: 2.17.0
• Component/s: io-java-rabbitmq
• Labels: rabbitmq serializable
• Environment: dataflow runner
• Assignee: Nicolas Delsaux
• Reporter: Nicolas Delsaux
• Created: 24/May/19 09:44
• Updated: 16/May/20 14:11
• Resolved: 12/Oct/19 05:50

Description

When trying to read messages from RabbitMq, I get systematic

java.lang.IllegalArgumentException: Unable to encode element 'ValueWithRecordId{id=[], value=org.apache.beam.sdk.io.rabbitmq.RabbitMqMessage@234080e1}' with coder 'ValueWithRecordId$ValueWithRecordIdCoder(org.apache.beam.sdk.coders.SerializableCoder@206641ef)'. org.apache.beam.sdk.coders.Coder.getEncodedElementByteSize(Coder.java:300) org.apache.beam.sdk.coders.Coder.registerByteSizeObserver(Coder.java:291) org.apache.beam.sdk.util.WindowedValue$FullWindowedValueCoder.registerByteSizeObserver(WindowedValue.java:564) org.apache.beam.sdk.util.WindowedValue$FullWindowedValueCoder.registerByteSizeObserver(WindowedValue.java:480) org.apache.beam.runners.dataflow.worker.IntrinsicMapTaskExecutorFactory$ElementByteSizeObservableCoder.registerByteSizeObserver(IntrinsicMapTaskExecutorFactory.java:400) org.apache.beam.runners.dataflow.worker.util.common.worker.OutputObjectAndByteCounter.update(OutputObjectAndByteCounter.java:125) org.apache.beam.runners.dataflow.worker.DataflowOutputCounter.update(DataflowOutputCounter.java:64) org.apache.beam.runners.dataflow.worker.util.common.worker.OutputReceiver.process(OutputReceiver.java:43) org.apache.beam.runners.dataflow.worker.util.common.worker.ReadOperation.runReadLoop(ReadOperation.java:201) org.apache.beam.runners.dataflow.worker.util.common.worker.ReadOperation.start(ReadOperation.java:159) org.apache.beam.runners.dataflow.worker.util.common.worker.MapTaskExecutor.execute(MapTaskExecutor.java:77) org.apache.beam.runners.dataflow.worker.StreamingDataflowWorker.process(StreamingDataflowWorker.java:1283) org.apache.beam.runners.dataflow.worker.StreamingDataflowWorker.access$1000(StreamingDataflowWorker.java:147) org.apache.beam.runners.dataflow.worker.StreamingDataflowWorker$6.run(StreamingDataflowWorker.java:1020) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) java.lang.Thread.run(Thread.java:745) Caused by: java.io.NotSerializableException: com.rabbitmq.client.impl.LongStringHelper$ByteArrayLongString java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184) java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348) java.util.HashMap.internalWriteEntries(HashMap.java:1785) java.util.HashMap.writeObject(HashMap.java:1362) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028) java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496) java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432) java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548) java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509) java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432) java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348) org.apache.beam.sdk.coders.SerializableCoder.encode(SerializableCoder.java:183) org.apache.beam.sdk.coders.SerializableCoder.encode(SerializableCoder.java:53) org.apache.beam.sdk.values.ValueWithRecordId$ValueWithRecordIdCoder.encode(ValueWithRecordId.java:105) org.apache.beam.sdk.values.ValueWithRecordId$ValueWithRecordIdCoder.encode(ValueWithRecordId.java:99) org.apache.beam.sdk.values.ValueWithRecordId$ValueWithRecordIdCoder.encode(ValueWithRecordId.java:81) org.apache.beam.sdk.coders.Coder.getEncodedElementByteSize(Coder.java:297) org.apache.beam.sdk.coders.Coder.registerByteSizeObserver(Coder.java:291) org.apache.beam.sdk.util.WindowedValue$FullWindowedValueCoder.registerByteSizeObserver(WindowedValue.java:564) org.apache.beam.sdk.util.WindowedValue$FullWindowedValueCoder.registerByteSizeObserver(WindowedValue.java:480) org.apache.beam.runners.dataflow.worker.IntrinsicMapTaskExecutorFactory$ElementByteSizeObservableCoder.registerByteSizeObserver(IntrinsicMapTaskExecutorFactory.java:400) org.apache.beam.runners.dataflow.worker.util.common.worker.OutputObjectAndByteCounter.update(OutputObjectAndByteCounter.java:125) org.apache.beam.runners.dataflow.worker.DataflowOutputCounter.update(DataflowOutputCounter.java:64) org.apache.beam.runners.dataflow.worker.util.common.worker.OutputReceiver.process(OutputReceiver.java:43) org.apache.beam.runners.dataflow.worker.util.common.worker.ReadOperation.runReadLoop(ReadOperation.java:201) org.apache.beam.runners.dataflow.worker.util.common.worker.ReadOperation.start(ReadOperation.java:159) org.apache.beam.runners.dataflow.worker.util.common.worker.MapTaskExecutor.execute(MapTaskExecutor.java:77) org.apache.beam.runners.dataflow.worker.StreamingDataflowWorker.process(StreamingDataflowWorker.java:1283) org.apache.beam.runners.dataflow.worker.StreamingDataflowWorker.access$1000(StreamingDataflowWorker.java:147) org.apache.beam.runners.dataflow.worker.StreamingDataflowWorker$6.run(StreamingDataflowWorker.java:1020) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) java.lang.Thread.run(Thread.java:745)

When using Dataflow runner, due to the fact that RabbitMqMessage headers may contain LongString values, which don't implement the Serializable java interface

Issue Links

• links to: GitHub Pull Request #8677