[ https://issues.apache.org/jira/browse/FLINK-18196?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kai Chen updated FLINK-18196: ----------------------------- Description: I meet checkpoint NPE when executing wordcount example: java.lang.Exception: Could not perform checkpoint 5505 for operator Source: KafkaTableSource(xxx) > SourceConversion(table=[xxx, source: [KafkaTableSource(xxx)]], fields=[xxx]) > Calc(select=[xxx) AS xxx]) -> SinkConversionToTuple2 -- - > Sink: Elasticsearch6UpsertTableSink(xxx) (1/1). at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpoint(StreamTask.java:802) at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$triggerCheckpointAsync$3(StreamTask.java:777) at org.apache.flink.streaming.runtime.tasks.StreamTask$$Lambda$228/1024478318.call(Unknown Source) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.run(StreamTaskActionExecutor.java:87) at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:78) at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:261) at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:186) at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:487) at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:470) at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:707) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:532) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.executeCheckpointing(StreamTask.java:1411) at org.apache.flink.streaming.runtime.tasks.StreamTask.checkpointState(StreamTask.java:991) at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$performCheckpoint$5(StreamTask.java:887) at org.apache.flink.streaming.runtime.tasks.StreamTask$$Lambda$229/1010499540.run(Unknown Source) at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:94) at org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:860) at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpoint(StreamTask.java:793) ... 12 more was: I meet checkpoint NPE when executing wordcount example: java.lang.Exception: Could not perform checkpoint 5505 for operator Source: KafkaTableSource(xxx) > SourceConversion(table=[xxx, source: [KafkaTableSource(xxx)]], fields=[xxx]) -> Calc(select=[xxx) AS xxx]) -> SinkConversionToTuple2 -- > Sink: Elasticsearch6UpsertTableSink(xxx) (1/1). at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpoint(StreamTask.java:802) at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$triggerCheckpointAsync$3(StreamTask.java:777) at org.apache.flink.streaming.runtime.tasks.StreamTask$$Lambda$228/1024478318.call(Unknown Source) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.run(StreamTaskActionExecutor.java:87) at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:78) at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:261) at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:186) at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:487) at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:470) at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:707) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:532) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.executeCheckpointing(StreamTask.java:1411) at org.apache.flink.streaming.runtime.tasks.StreamTask.checkpointState(StreamTask.java:991) at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$performCheckpoint$5(StreamTask.java:887) at org.apache.flink.streaming.runtime.tasks.StreamTask$$Lambda$229/1010499540.run(Unknown Source) at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:94) at org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:860) at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpoint(StreamTask.java:793) ... 12 more > flink throws `NullPointerException` when executeCheckpointing > ------------------------------------------------------------- > > Key: FLINK-18196 > URL: https://issues.apache.org/jira/browse/FLINK-18196 > Project: Flink > Issue Type: Bug > Components: Runtime / Checkpointing > Affects Versions: 1.10.0, 1.10.1 > Reporter: Kai Chen > Priority: Major > > I meet checkpoint NPE when executing wordcount example: > java.lang.Exception: Could not perform checkpoint 5505 for operator Source: > KafkaTableSource(xxx) > SourceConversion(table=[xxx, source: > [KafkaTableSource(xxx)]], fields=[xxx]) > Calc(select=[xxx) AS xxx]) -> > SinkConversionToTuple2 -- - > Sink: Elasticsearch6UpsertTableSink(xxx) (1/1). > at > org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpoint(StreamTask.java:802) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$triggerCheckpointAsync$3(StreamTask.java:777) > at > org.apache.flink.streaming.runtime.tasks.StreamTask$$Lambda$228/1024478318.call(Unknown > Source) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > at > org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.run(StreamTaskActionExecutor.java:87) > at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:78) > at > org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:261) > at > org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:186) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:487) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:470) > at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:707) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:532) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.lang.NullPointerException > at > org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.executeCheckpointing(StreamTask.java:1411) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.checkpointState(StreamTask.java:991) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$performCheckpoint$5(StreamTask.java:887) > at > org.apache.flink.streaming.runtime.tasks.StreamTask$$Lambda$229/1010499540.run(Unknown > Source) > at > org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:94) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:860) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpoint(StreamTask.java:793) > ... 12 more -- This message was sent by Atlassian Jira (v8.3.4#803005)