zyh created FLINK-35343:
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Summary: NullPointerException in SourceReaderBase
Key: FLINK-35343
URL: https://issues.apache.org/jira/browse/FLINK-35343
Project: Flink
Issue Type: Bug
Components: API / Core
Affects Versions: 1.17.2
Environment: flink(1.17.2), local mode and deploy on k8s
doris-flink-connector-1.17(1.6.0)
Doris(2.1)
h2.
Reporter: zyh
Attachments: flinktask.png, servicelog.png
h2. operation
I used flink batch to read data from Doris and write to Doris.
The flink job include two source task, one table join task and one sink task.
h2. exception stack
{code:java}
Caused by: java.lang.NullPointerException at
org.apache.flink.connector.base.source.reader.SourceReaderBase.finishCurrentFetch(SourceReaderBase.java:194)
at
org.apache.flink.connector.base.source.reader.SourceReaderBase.moveToNextSplit(SourceReaderBase.java:208)
at
org.apache.flink.connector.base.source.reader.SourceReaderBase.getNextFetch(SourceReaderBase.java:173)
at
org.apache.flink.connector.base.source.reader.SourceReaderBase.pollNext(SourceReaderBase.java:131)
at
org.apache.flink.streaming.api.operators.SourceOperator.emitNext(SourceOperator.java:419)
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) {code}
h2. other
The problem only occur in flink local mode and deploy on k8s.
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