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Posted to commits@hbase.apache.org by jx...@apache.org on 2014/03/14 16:57:50 UTC
svn commit: r1577590 -
/hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ShutdownHook.java
Author: jxiang
Date: Fri Mar 14 15:57:50 2014
New Revision: 1577590
URL: http://svn.apache.org/r1577590
Log:
HBASE-10745 Access ShutdownHook#fsShutdownHooks should be synchronized
Modified:
hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ShutdownHook.java
Modified: hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ShutdownHook.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ShutdownHook.java?rev=1577590&r1=1577589&r2=1577590&view=diff
==============================================================================
--- hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ShutdownHook.java (original)
+++ hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ShutdownHook.java Fri Mar 14 15:57:50 2014
@@ -198,12 +198,12 @@ public class ShutdownHook {
if (hdfsClientFinalizer == null) {
throw new RuntimeException("Client finalizer is null, can't suppress!");
}
- if (!fsShutdownHooks.containsKey(hdfsClientFinalizer) &&
- !ShutdownHookManager.deleteShutdownHook(hdfsClientFinalizer)) {
- throw new RuntimeException("Failed suppression of fs shutdown hook: " +
- hdfsClientFinalizer);
- }
synchronized (fsShutdownHooks) {
+ if (!fsShutdownHooks.containsKey(hdfsClientFinalizer) &&
+ !ShutdownHookManager.deleteShutdownHook(hdfsClientFinalizer)) {
+ throw new RuntimeException("Failed suppression of fs shutdown hook: " +
+ hdfsClientFinalizer);
+ }
Integer refs = fsShutdownHooks.get(hdfsClientFinalizer);
fsShutdownHooks.put(hdfsClientFinalizer, refs == null ? 1 : refs + 1);
}