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Posted to common-commits@hadoop.apache.org by ae...@apache.org on 2016/06/16 18:33:06 UTC
[42/49] hadoop git commit: HDFS-10525. Fix NPE in
CacheReplicationMonitor#rescanCachedBlockMap (Xiao Chen via cmccabe)
HDFS-10525. Fix NPE in CacheReplicationMonitor#rescanCachedBlockMap (Xiao Chen via cmccabe)
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/2ca73445
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/2ca73445
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/2ca73445
Branch: refs/heads/HDFS-7240
Commit: 2ca73445f5c2929d9c2ff4232dca58a63a0570a0
Parents: 2449db5
Author: Colin Patrick Mccabe <cm...@cloudera.com>
Authored: Wed Jun 15 22:47:01 2016 -0700
Committer: Colin Patrick Mccabe <cm...@cloudera.com>
Committed: Wed Jun 15 22:47:01 2016 -0700
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.../hdfs/server/blockmanagement/CacheReplicationMonitor.java | 8 ++++++++
1 file changed, 8 insertions(+)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/2ca73445/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/CacheReplicationMonitor.java
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/CacheReplicationMonitor.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/CacheReplicationMonitor.java
index b4b5e23..ca8d72a 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/CacheReplicationMonitor.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/CacheReplicationMonitor.java
@@ -502,6 +502,14 @@ public class CacheReplicationMonitor extends Thread implements Closeable {
CachedBlock cblock = it.next();
BlockInfo blockInfo = blockManager.
getStoredBlock(new Block(cblock.getBlockId()));
+ if (blockInfo == null) {
+ // Cannot find this block on the NameNode, skip this block from
+ // capacity calculation. Later logic will handle this block.
+ LOG.debug("Block {}: cannot be found in block manager and hence"
+ + " skipped from calculation for node {}.", cblock.getBlockId(),
+ dn.getDatanodeUuid());
+ continue;
+ }
if (blockInfo.getNumBytes() > remaining) {
LOG.debug("Block {}: removing from PENDING_CACHED for node {} "
+ "because it cannot fit in remaining cache size {}.",
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