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HDFS-15199. NPE in BlockSender. Contributed by Ayush Saxena.

This commit is contained in:
Surendra Singh Lilhore 2020-02-28 18:33:06 +05:30
parent ce6614565e
commit 64eb5b2709
1 changed files with 15 additions and 12 deletions
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13
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockSender.java
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@ -664,18 +664,21 @@ class BlockSender implements java.io.Closeable {
* It was done here because the NIO throws an IOException for EPIPE. * It was done here because the NIO throws an IOException for EPIPE.
*/ */
String ioem = e.getMessage(); String ioem = e.getMessage();
if (ioem != null) {
/* /*
* If we got an EIO when reading files or transferTo the client socket, * If we got an EIO when reading files or transferTo the client
* it's very likely caused by bad disk track or other file corruptions. * socket, it's very likely caused by bad disk track or other file
* corruptions.
*/ */
if (ioem.startsWith(EIO_ERROR)) { if (ioem.startsWith(EIO_ERROR)) {
throw new DiskFileCorruptException("A disk IO error occurred", e); throw new DiskFileCorruptException("A disk IO error occurred", e);
} }
if (!ioem.startsWith("Broken pipe") && !ioem.startsWith("Connection reset")) { if (!ioem.startsWith("Broken pipe")
&& !ioem.startsWith("Connection reset")) {
LOG.error("BlockSender.sendChunks() exception: ", e); LOG.error("BlockSender.sendChunks() exception: ", e);
datanode.getBlockScanner().markSuspectBlock( datanode.getBlockScanner().markSuspectBlock(
ris.getVolumeRef().getVolume().getStorageID(), ris.getVolumeRef().getVolume().getStorageID(), block);
block); }
} }
} }
throw ioeToSocketException(e); throw ioeToSocketException(e);