ParquetWriter::close sometimes fail
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描述
we sometimes run into an exception when closing a ParquetWriter instance:
```java
2024-06-10 10:44:01.398 org.apache.parquet.util.AutoCloseables$ParquetCloseResourceException: Unable to close resource
2024-06-10 10:44:01.398 at org.apache.parquet.util.AutoCloseables.uncheckedClose(AutoCloseables.java:85)
2024-06-10 10:44:01.398 at org.apache.parquet.util.AutoCloseables.uncheckedClose(AutoCloseables.java:94)
2024-06-10 10:44:01.398 at org.apache.parquet.hadoop.InternalParquetRecordWriter.close(InternalParquetRecordWriter.java:144)
2024-06-10 10:44:01.398 at org.apache.parquet.hadoop.ParquetWriter.close(ParquetWriter.java:437)
2024-06-10 10:44:01.398 Caused by: java.nio.channels.ClosedChannelException: null
2024-06-10 10:44:01.398 at org.apache.hadoop.hdfs.ExceptionLastSeen.throwException4Close(ExceptionLastSeen.java:73)
2024-06-10 10:44:01.398 at org.apache.hadoop.hdfs.DFSOutputStream.checkClosed(DFSOutputStream.java:158)
2024-06-10 10:44:01.398 at org.apache.hadoop.hdfs.DFSOutputStream.flushOrSync(DFSOutputStream.java:639)
2024-06-10 10:44:01.398 at org.apache.hadoop.hdfs.DFSOutputStream.hflush(DFSOutputStream.java:594)
2024-06-10 10:44:01.398 at org.apache.hadoop.fs.FSDataOutputStream.hflush(FSDataOutputStream.java:136)
2024-06-10 10:44:01.398 at org.apache.parquet.hadoop.util.HadoopPositionOutputStream.close(HadoopPositionOutputStream.java:65)
2024-06-10 10:44:01.398 at org.apache.parquet.hadoop.ParquetFileWriter.close(ParquetFileWriter.java:1663)
2024-06-10 10:44:01.398 at org.apache.parquet.util.AutoCloseables.close(AutoCloseables.java:49)
2024-06-10 10:44:01.398 at org.apache.parquet.util.AutoCloseables.uncheckedClose(AutoCloseables.java:83)
```
**Reporter**: [Roelof Naude](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=naude-r)
**Note**: *This issue was originally created as [PARQUET-2496](https://issues.apache.org/jira/browse/PARQUET-2496). Please see the [migration documentation](https://issues.apache.org/jira/browse/PARQUET-2502) for further details.*
贡献指南
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调研方向
以提供的 ClosedChannelException 堆栈跟踪为起点,跟踪从 ParquetWriter.close 经由 InternalParquetRecordWriter.close、ParquetFileWriter.close 和 HadoopPositionOutputStream.close 的关闭路径。确定导致 HDFS 输出通道在 hflush 之前保持关闭状态的条件,然后为间歇性故障添加覆盖,并验证 ParquetWriter 的关闭能够在不抛出此异常的情况下完成。
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评估
- 技术栈
- hadoop, java
- 领域
- data-engineering
- Issue 类型
- 缺陷
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- 4/5
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- 3-5 天
- 活跃度
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- 32/100