Guanpx opened a new issue, #5330:
URL: https://github.com/apache/hudi/issues/5330
**Describe the problem you faced**
use flink1.13 ，bucket index , cow ，hudi-0.11.0（not latest）
**To Reproduce**
Steps to reproduce the behavior:
1. start flink job
2. cancel flink job
3. repeat 1-2 some times
4. start job，then that Exception was occured
**Environment Description**
* Hudi version : 0.11.0
* Flink version : 1.13.2
* Hadoop version : 3.0.0
* Storage (HDFS/S3/GCS..) :HDFS
* Running on Docker? (yes/no) ： no
**Additional context**
**Stacktrace**
```
java.lang.RuntimeException: Duplicate fileID
00000007-????-????-????-40bee2bd5a70 from bucket 7 of partition found during
the BucketStreamWriteFunction index bootstrap.
at
org.apache.hudi.sink.bucket.BucketStreamWriteFunction.lambda$bootstrapIndexIfNeed$1(BucketStreamWriteFunction.java:179)
at
java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
at
java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at
java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at
java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
at
java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at
java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
at
org.apache.hudi.sink.bucket.BucketStreamWriteFunction.bootstrapIndexIfNeed(BucketStreamWriteFunction.java:173)
at
org.apache.hudi.sink.bucket.BucketStreamWriteFunction.processElement(BucketStreamWriteFunction.java:123)
at
org.apache.flink.streaming.api.operators.ProcessOperator.processElement(ProcessOperator.java:66)
at
org.apache.flink.streaming.runtime.tasks.OneInputStreamTask$StreamTaskNetworkOutput.emitRecord(OneInputStreamTask.java:205)
at
org.apache.flink.streaming.runtime.io.AbstractStreamTaskNetworkInput.processElement(AbstractStreamTaskNetworkInput.java:134)
at
org.apache.flink.streaming.runtime.io.AbstractStreamTaskNetworkInput.emitNext(AbstractStreamTaskNetworkInput.java:105)
at
org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:66)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:423)
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:204)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:681)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.executeInvoke(StreamTask.java:636)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.runWithCleanUpOnFail(StreamTask.java:647)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:620)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:779)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:566)
at java.lang.Thread.run(Thread.java:748)
```
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