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HDFS-3332. NullPointerException in DN when directoryscanner is trying to report bad blocks. Contributed by Amith D K.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1333587 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Uma Maheswara Rao G 2012-05-03 19:05:38 +00:00
parent 48414b0827
commit 9aae7c22ac
1 changed files with 3 additions and 0 deletions
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java
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@ -235,6 +235,9 @@ void scheduleBlockReport(long delay) {
} }
void reportBadBlocks(ExtendedBlock block) { void reportBadBlocks(ExtendedBlock block) {
if (bpRegistration == null) {
return;
}
DatanodeInfo[] dnArr = { new DatanodeInfo(bpRegistration) }; DatanodeInfo[] dnArr = { new DatanodeInfo(bpRegistration) };
LocatedBlock[] blocks = { new LocatedBlock(block, dnArr) }; LocatedBlock[] blocks = { new LocatedBlock(block, dnArr) };