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Posted to hdfs-dev@hadoop.apache.org by "Xiao Chen (JIRA)" <ji...@apache.org> on 2018/05/08 22:33:01 UTC
[jira] [Created] (HDFS-13539) DFSInputStream NPE when
reportCheckSumFailure
Xiao Chen created HDFS-13539:
--------------------------------
Summary: DFSInputStream NPE when reportCheckSumFailure
Key: HDFS-13539
URL: https://issues.apache.org/jira/browse/HDFS-13539
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Xiao Chen
Assignee: Xiao Chen
Attachments: HDFS-13539.01.patch
We have seem the following exception with DFSStripedInputStream.
{noformat}
readDirect: FSDataInputStream#read error:
NullPointerException: java.lang.NullPointerException
at org.apache.hadoop.hdfs.DFSStripedInputStream.readWithStrategy(DFSStripedInputStream.java:402)
at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:831)
at org.apache.hadoop.fs.FSDataInputStream.read(FSDataInputStream.java:147)
{noformat}
Line 402 is {{reportCheckSumFailure}}, and {{currentLocatedBlock}} is the only possible null object.
Original exception is masked by the NPE.
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