Henning Schmiedehausen created FLINK-34581: ----------------------------------------------
Summary: streaming code throws java.lang.reflect.InaccessibleObjectException Key: FLINK-34581 URL: https://issues.apache.org/jira/browse/FLINK-34581 Project: Flink Issue Type: Bug Components: API / DataStream Affects Versions: 1.18.1 Reporter: Henning Schmiedehausen I have a pretty simple test pipeline (read a bunch of tables from Apache Kafka, join and project them, then write to Apache Iceberg) that I run locally with Junit5 and the MiniClusterExtension. This works ok with Java 11 and Flink 1.17.2 and Flink 1.18.1. With Java 17, I see {{[WARN ] IcebergStreamWriter (1/1)#1 (78d9251dbbab3aae84bf303dfc080d23_626c1e687bcaad0c13c507629a5894a8_0_1) switched from RUNNING to FAILED with failure cause:}} {{java.io.IOException: Could not perform checkpoint 2 for operator IcebergStreamWriter (1/1)#1.}} {{at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpointOnBarrier(StreamTask.java:1275)}} {{at org.apache.flink.streaming.runtime.io.checkpointing.CheckpointBarrierHandler.notifyCheckpoint(CheckpointBarrierHandler.java:147)}} {{at org.apache.flink.streaming.runtime.io.checkpointing.SingleCheckpointBarrierHandler.triggerCheckpoint(SingleCheckpointBarrierHandler.java:287)}} {{at org.apache.flink.streaming.runtime.io.checkpointing.SingleCheckpointBarrierHandler.access$100(SingleCheckpointBarrierHandler.java:64)}} {{at org.apache.flink.streaming.runtime.io.checkpointing.SingleCheckpointBarrierHandler$ControllerImpl.triggerGlobalCheckpoint(SingleCheckpointBarrierHandler.java:488)}} {{at org.apache.flink.streaming.runtime.io.checkpointing.AbstractAlignedBarrierHandlerState.triggerGlobalCheckpoint(AbstractAlignedBarrierHandlerState.java:74)}} {{at org.apache.flink.streaming.runtime.io.checkpointing.AbstractAlignedBarrierHandlerState.barrierReceived(AbstractAlignedBarrierHandlerState.java:66)}} {{at org.apache.flink.streaming.runtime.io.checkpointing.SingleCheckpointBarrierHandler.lambda$processBarrier$2(SingleCheckpointBarrierHandler.java:234)}} {{at org.apache.flink.streaming.runtime.io.checkpointing.SingleCheckpointBarrierHandler.markCheckpointAlignedAndTransformState(SingleCheckpointBarrierHandler.java:262)}} {{at org.apache.flink.streaming.runtime.io.checkpointing.SingleCheckpointBarrierHandler.processBarrier(SingleCheckpointBarrierHandler.java:231)}} {{at org.apache.flink.streaming.runtime.io.checkpointing.CheckpointedInputGate.handleEvent(CheckpointedInputGate.java:181)}} {{at org.apache.flink.streaming.runtime.io.checkpointing.CheckpointedInputGate.pollNext(CheckpointedInputGate.java:159)}} {{at org.apache.flink.streaming.runtime.io.AbstractStreamTaskNetworkInput.emitNext(AbstractStreamTaskNetworkInput.java:118)}} {{at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:65)}} {{at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:562)}} {{at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:231)}} {{at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:858)}} {{at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:807)}} {{at org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:953)}} {{at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:932)}} {{at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:746)}} {{at org.apache.flink.runtime.taskmanager.Task.run(Task.java:562)}} {{at java.base/java.lang.Thread.run(Thread.java:840)}} {{Caused by: java.lang.RuntimeException: java.lang.reflect.InaccessibleObjectException: Unable to make field private final java.lang.Object[] java.util.Arrays$ArrayList.a accessible: module java.base does not "opens java.util" to unnamed module @6af93788}} {{at com.twitter.chill.java.ArraysAsListSerializer.<init>(ArraysAsListSerializer.java:69)}} {{at org.apache.flink.api.java.typeutils.runtime.kryo.FlinkChillPackageRegistrar.registerSerializers(FlinkChillPackageRegistrar.java:67)}} {{at org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.getKryoInstance(KryoSerializer.java:513)}} {{at org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.checkKryoInitialized(KryoSerializer.java:522)}} {{at org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.serialize(KryoSerializer.java:348)}} {{at org.apache.flink.streaming.runtime.streamrecord.StreamElementSerializer.serialize(StreamElementSerializer.java:165)}} {{at org.apache.flink.streaming.runtime.streamrecord.StreamElementSerializer.serialize(StreamElementSerializer.java:43)}} {{at org.apache.flink.runtime.plugable.SerializationDelegate.write(SerializationDelegate.java:54)}} {{at org.apache.flink.runtime.io.network.api.writer.RecordWriter.serializeRecord(RecordWriter.java:141)}} {{at org.apache.flink.runtime.io.network.api.writer.RecordWriter.emit(RecordWriter.java:107)}} {{at org.apache.flink.runtime.io.network.api.writer.ChannelSelectorRecordWriter.emit(ChannelSelectorRecordWriter.java:55)}} {{at org.apache.flink.streaming.runtime.io.RecordWriterOutput.pushToRecordWriter(RecordWriterOutput.java:134)}} {{at org.apache.flink.streaming.runtime.io.RecordWriterOutput.collectAndCheckIfChained(RecordWriterOutput.java:114)}} {{at org.apache.flink.streaming.runtime.io.RecordWriterOutput.collect(RecordWriterOutput.java:95)}} {{at org.apache.flink.streaming.runtime.io.RecordWriterOutput.collect(RecordWriterOutput.java:48)}} {{at org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:59)}} {{at org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:31)}} {{at org.apache.iceberg.flink.sink.IcebergStreamWriter.flush(IcebergStreamWriter.java:113)}} {{at org.apache.iceberg.flink.sink.IcebergStreamWriter.prepareSnapshotPreBarrier(IcebergStreamWriter.java:66)}} {{at org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.prepareSnapshotPreBarrier(RegularOperatorChain.java:89)}} {{at org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorImpl.checkpointState(SubtaskCheckpointCoordinatorImpl.java:322)}} {{at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$performCheckpoint$15(StreamTask.java:1318)}} {{at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:50)}} {{at org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:1306)}} {{at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpointOnBarrier(StreamTask.java:1263)}} {{... 22 more}} {{Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make field private final java.lang.Object[] java.util.Arrays$ArrayList.a accessible: module java.base does not "opens java.util" to unnamed module @6af93788}} {{at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:354)}} {{at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:297)}} {{at java.base/java.lang.reflect.Field.checkCanSetAccessible(Field.java:178)}} {{at java.base/java.lang.reflect.Field.setAccessible(Field.java:172)}} {{at com.twitter.chill.java.ArraysAsListSerializer.<init>(ArraysAsListSerializer.java:67)}} {{... 46 more}} This is blocking us right now from upgrading to Java 17. -- This message was sent by Atlassian Jira (v8.20.10#820010)