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Posted to hdfs-dev@hadoop.apache.org by "dragon (JIRA)" <ji...@apache.org> on 2016/03/15 09:17:35 UTC
[jira] [Created] (HDFS-10137) CLONE - Erasure Coding: Fail to read
a file with corrupted blocks
dragon created HDFS-10137:
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Summary: CLONE - Erasure Coding: Fail to read a file with corrupted blocks
Key: HDFS-10137
URL: https://issues.apache.org/jira/browse/HDFS-10137
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: dragon
Assignee: Walter Su
In system test of reading EC file(HDFS-8259), the methods {{testReadCorruptedData*()}} failed to read a EC file with corrupted blocks(overwrite some data to several blocks and this will make client get a checksum exception).
Exception logs:
{code}
java.lang.NullPointerException
at org.apache.hadoop.hdfs.DFSStripedInputStream$StatefulStripeReader.readChunk(DFSStripedInputStream.java:771)
at org.apache.hadoop.hdfs.DFSStripedInputStream$StripeReader.readStripe(DFSStripedInputStream.java:623)
at org.apache.hadoop.hdfs.DFSStripedInputStream.readOneStripe(DFSStripedInputStream.java:335)
at org.apache.hadoop.hdfs.DFSStripedInputStream.readWithStrategy(DFSStripedInputStream.java:465)
at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:946)
at java.io.DataInputStream.read(DataInputStream.java:149)
at org.apache.hadoop.hdfs.StripedFileTestUtil.verifyStatefulRead(StripedFileTestUtil.java:98)
at org.apache.hadoop.hdfs.TestReadStripedFileWithDecoding.verifyRead(TestReadStripedFileWithDecoding.java:196)
at org.apache.hadoop.hdfs.TestReadStripedFileWithDecoding.testOneFileWithBlockCorrupted(TestReadStripedFileWithDecoding.java:246)
at org.apache.hadoop.hdfs.TestReadStripedFileWithDecoding.testReadCorruptedData11(TestReadStripedFileWithDecoding.java:114)
{code}
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