swuferhong opened a new issue, #2053: URL: https://github.com/apache/fluss/issues/2053
### Search before asking - [x] I searched in the [issues](https://github.com/apache/fluss/issues) and found nothing similar. ### Fluss version 0.8.0 (latest release) ### Please describe the bug 🐞 The error is as follow: ``` 2025-11-30 13:21:54 java.io.IOException: Failed to send record to table fluss.dwd_xxx. Writer state: running at org.apache.fluss.flink.sink.writer.FlinkSinkWriter.write(FlinkSinkWriter.java:159) at org.apache.flink.streaming.runtime.operators.sink.SinkWriterOperator.processElement(SinkWriterOperator.java:182) at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask$StreamTaskNetworkOutput.emitRecord(OneInputStreamTask.java:245) at org.apache.flink.streaming.runtime.io.AbstractStreamTaskNetworkInput.processElement(AbstractStreamTaskNetworkInput.java:217) at org.apache.flink.streaming.runtime.io.AbstractStreamTaskNetworkInput.emitNext(AbstractStreamTaskNetworkInput.java:169) at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:68) at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:616) at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:231) at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:1071) at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:1020) at org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:968) at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:947) at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:754) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:569) at java.lang.Thread.run(Thread.java:879) Caused by: org.apache.fluss.exception.FlussRuntimeException: Failed to send record to table fluss.dwd_xxx. Writer state: running at org.apache.fluss.client.write.WriterClient.doSend(WriterClient.java:216) at org.apache.fluss.client.write.WriterClient.send(WriterClient.java:139) at org.apache.fluss.client.table.writer.AbstractTableWriter.send(AbstractTableWriter.java:66) at org.apache.fluss.client.table.writer.AppendWriterImpl.append(AppendWriterImpl.java:87) at org.apache.fluss.flink.sink.writer.AppendSinkWriter.writeRow(AppendSinkWriter.java:62) at org.apache.fluss.flink.sink.writer.FlinkSinkWriter.write(FlinkSinkWriter.java:143) ... 14 more Caused by: java.lang.NullPointerException at org.apache.fluss.cluster.Cluster.getBucketCount(Cluster.java:177) at org.apache.fluss.client.write.StickyBucketAssigner.nextBucket(StickyBucketAssigner.java:76) at org.apache.fluss.client.write.StickyBucketAssigner.assignBucket(StickyBucketAssigner.java:50) at org.apache.fluss.client.write.DynamicBucketAssigner.assignBucket(DynamicBucketAssigner.java:32) at org.apache.fluss.client.write.StickyBucketAssigner.assignBucket(StickyBucketAssigner.java:34) at org.apache.fluss.client.write.WriterClient.doSend(WriterClient.java:189) ... 19 more ``` ### Solution _No response_ ### Are you willing to submit a PR? - [ ] I'm willing to submit a PR! -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
