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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2021/06/10 15:41:47 UTC
[GitHub] [hadoop] yikf opened a new pull request #3096: [HADOOP-17758][HDFS][FOLLOWUP] NPE and excessive warnings after HADOOP-17728
yikf opened a new pull request #3096:
URL: https://github.com/apache/hadoop/pull/3096
After HADOOP-17728, `StatisticsDataReferenceCleaner` may appear the following questions, That's beacuse `ReferenceQueue.remove` might return `null`.
2021-06-09 21:51:12,334 WARN [org.apache.hadoop.fs.FileSystem$Statistics$StatisticsDataReferenceCleaner] fs.FileSystem (FileSystem.java:run(4025)) - Exception in the cleaner thread but it will continue to run
java.lang.NullPointerException
at org.apache.hadoop.fs.FileSystem$Statistics$StatisticsDataReferenceCleaner.run(FileSystem.java:4020)
at java.lang.Thread.run(Thread.java:748)
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[GitHub] [hadoop] yikf commented on pull request #3096: [HADOOP-17758][HDFS][FOLLOWUP] NPE and excessive warnings after HADOOP-17728
Posted by GitBox <gi...@apache.org>.
yikf commented on pull request #3096:
URL: https://github.com/apache/hadoop/pull/3096#issuecomment-858740406
Code conflicting, Will reopen new PR later.
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[GitHub] [hadoop] yikf closed pull request #3096: [HADOOP-17758][HDFS][FOLLOWUP] NPE and excessive warnings after HADOOP-17728
Posted by GitBox <gi...@apache.org>.
yikf closed pull request #3096:
URL: https://github.com/apache/hadoop/pull/3096
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