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HDFS-2948. NN throws NPE during shutdown if it fails to startup. Contributed by Todd Lipcon. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1244186 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2012-02-14 19:38:02 +00:00
parent a0e4ae55f2
commit 439490f915
2 changed files with 5 additions and 1 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
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@ -200,3 +200,5 @@ HDFS-2939. TestHAStateTransitions fails on Windows. (Uma Maheswara Rao G via atm
HDFS-2947. On startup NN throws an NPE in the metrics system. (atm)
HDFS-2942. TestActiveStandbyElectorRealZK fails if build dir does not exist. (atm)
HDFS-2948. NN throws NPE during shutdown if it fails to startup (todd)

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
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@ -974,7 +974,9 @@ public void startActiveServices() throws IOException {
@Override
public void stopActiveServices() throws IOException {
namesystem.stopActiveServices();
if (namesystem != null) {
namesystem.stopActiveServices();
}
stopTrashEmptier();
}