Sanjay Malakar created ZOOKEEPER-5055:
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Summary: Ensure FileTxnLog.close() closes every stream
Key: ZOOKEEPER-5055
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-5055
Project: ZooKeeper
Issue Type: Bug
Components: server
Reporter: Sanjay Malakar
{{org.apache.zookeeper.server.persistence.FileTxnLog.close()}} closes
{{logStream}} and the {{streamsToFlush}} queue sequentially. If any
{{java.io.FileOutputStream.close()}} call throws {{{}java.io.IOException{}}},
the method exits immediately and does not attempt to close the remaining file
streams. This can leak file descriptors during transaction-log shutdown.
{{org.apache.zookeeper.server.persistence.FileTxnLog.close()}} should attempt
every close operation, preserve the first {{{}java.io.IOException{}}}, attach
later failures as suppressed exceptions, and throw only after all streams have
been attempted.
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