[FLINK-32008] Protobuf format cannot work with FileSystem Connector

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.17.0
• Fix Version/s: 1.18.0
• Component/s: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
• Labels: pull-request-available
• Assignee: Ryan Skraba
• Reporter: Xuannan Su
• Created: 05/May/23 06:22
• Updated: 17/Jun/23 14:55
• Resolved: 17/Jun/23 14:55

Description

The protobuf format throws exception when working with Map data type. I uploaded a example project to reproduce the problem.

 

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 

Issue Links

• is duplicated by: FLINK-31944 Protobuf format throw com.google.protobuf.InvalidProtocolBufferException
• links to: GitHub Pull Request #22814