Xuannan Su created FLINK-32008:
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Summary: Protobuf format throws exception with Map datatype
Key: FLINK-32008
URL: https://issues.apache.org/jira/browse/FLINK-32008
Project: Flink
Issue Type: Bug
Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
Affects Versions: 1.17.0
Reporter: Xuannan Su
Attachments: flink-protobuf-example.zip
The protobuf format throws exception when working with Map data type. I
uploaded a example project to reproduce the problem.
{code:java}
Caused by: java.lang.RuntimeException: One or more fetchers have encountered
exception
at
org.apache.flink.connector.base.source.reader.fetcher.SplitFetcherManager.checkErrors(SplitFetcherManager.java:261)
at
org.apache.flink.connector.base.source.reader.SourceReaderBase.getNextFetch(SourceReaderBase.java:169)
at
org.apache.flink.connector.base.source.reader.SourceReaderBase.pollNext(SourceReaderBase.java:131)
at
org.apache.flink.streaming.api.operators.SourceOperator.emitNext(SourceOperator.java:417)
at
org.apache.flink.streaming.runtime.io.StreamTaskSourceInput.emitNext(StreamTaskSourceInput.java:68)
at
org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:65)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:550)
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:231)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:839)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:788)
at
org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:952)
at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:931)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:745)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:562)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: SplitFetcher thread 0 received
unexpected exception while polling the records
at
org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.runOnce(SplitFetcher.java:165)
at
org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.run(SplitFetcher.java:114)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
... 1 more
Caused by: java.io.IOException: Failed to deserialize PB object.
at
org.apache.flink.formats.protobuf.deserialize.PbRowDataDeserializationSchema.deserialize(PbRowDataDeserializationSchema.java:75)
at
org.apache.flink.formats.protobuf.deserialize.PbRowDataDeserializationSchema.deserialize(PbRowDataDeserializationSchema.java:42)
at
org.apache.flink.api.common.serialization.DeserializationSchema.deserialize(DeserializationSchema.java:82)
at
org.apache.flink.connector.file.table.DeserializationSchemaAdapter$LineBytesInputFormat.readRecord(DeserializationSchemaAdapter.java:197)
at
org.apache.flink.connector.file.table.DeserializationSchemaAdapter$LineBytesInputFormat.nextRecord(DeserializationSchemaAdapter.java:210)
at
org.apache.flink.connector.file.table.DeserializationSchemaAdapter$Reader.readBatch(DeserializationSchemaAdapter.java:124)
at
org.apache.flink.connector.file.src.util.RecordMapperWrapperRecordIterator$1.readBatch(RecordMapperWrapperRecordIterator.java:82)
at
org.apache.flink.connector.file.src.impl.FileSourceSplitReader.fetch(FileSourceSplitReader.java:67)
at
org.apache.flink.connector.base.source.reader.fetcher.FetchTask.run(FetchTask.java:58)
at
org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.runOnce(SplitFetcher.java:162)
... 6 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.flink.formats.protobuf.deserialize.ProtoToRowConverter.convertProtoBinaryToRow(ProtoToRowConverter.java:129)
at
org.apache.flink.formats.protobuf.deserialize.PbRowDataDeserializationSchema.deserialize(PbRowDataDeserializationSchema.java:70)
... 15 more
Caused by: com.google.protobuf.InvalidProtocolBufferException: While parsing a
protocol message, the input ended unexpectedly in the middle of a field. This
could mean either that the input has been truncated or that an embedded message
misreported its own length.
at
com.google.protobuf.InvalidProtocolBufferException.truncatedMessage(InvalidProtocolBufferException.java:115)
at
com.google.protobuf.CodedInputStream$ArrayDecoder.pushLimit(CodedInputStream.java:1196)
at
com.google.protobuf.CodedInputStream$ArrayDecoder.readMessage(CodedInputStream.java:887)
at com.example.proto.MapMessage.<init>(MapMessage.java:64)
at com.example.proto.MapMessage.<init>(MapMessage.java:9)
at com.example.proto.MapMessage$1.parsePartialFrom(MapMessage.java:756)
at com.example.proto.MapMessage$1.parsePartialFrom(MapMessage.java:750)
at
com.google.protobuf.AbstractParser.parsePartialFrom(AbstractParser.java:158)
at com.google.protobuf.AbstractParser.parseFrom(AbstractParser.java:191)
at com.google.protobuf.AbstractParser.parseFrom(AbstractParser.java:203)
at com.google.protobuf.AbstractParser.parseFrom(AbstractParser.java:208)
at com.google.protobuf.AbstractParser.parseFrom(AbstractParser.java:48)
at com.example.proto.MapMessage.parseFrom(MapMessage.java:320)
... 21 more {code}
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