[ https://issues.apache.org/jira/browse/FLINK-32008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17719700#comment-17719700 ]
Benchao Li commented on FLINK-32008: ------------------------------------ CC [~maosuhan] > 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 > Priority: Major > 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} -- This message was sent by Atlassian Jira (v8.20.10#820010)