Xinwei Qin created HDFS-8732:
---------------------------------
Summary: Erasure Coding: Fail to read a file with corrupted blocks
Key: HDFS-8732
URL: https://issues.apache.org/jira/browse/HDFS-8732
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Xinwei Qin
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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