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HBASE-15109 HM/RS failed to start when "fs.hdfs.impl.disable.cache" is set to true (Pankaj Kumar)

This commit is contained in:
tedyu 2016-10-11 15:37:26 -07:00
parent 6b346ad046
commit ec87b4bfe2
1 changed files with 5 additions and 4 deletions
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9
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ShutdownHook.java
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@ -199,10 +199,11 @@ public class ShutdownHook {
throw new RuntimeException("Client finalizer is null, can't suppress!"); throw new RuntimeException("Client finalizer is null, can't suppress!");
} }
synchronized (fsShutdownHooks) { synchronized (fsShutdownHooks) {
if (!fsShutdownHooks.containsKey(hdfsClientFinalizer) && boolean isFSCacheDisabled = fs.getConf().getBoolean("fs.hdfs.impl.disable.cache", false);
!ShutdownHookManager.deleteShutdownHook(hdfsClientFinalizer)) { if (!isFSCacheDisabled && !fsShutdownHooks.containsKey(hdfsClientFinalizer)
throw new RuntimeException("Failed suppression of fs shutdown hook: " + && !ShutdownHookManager.deleteShutdownHook(hdfsClientFinalizer)) {
hdfsClientFinalizer); throw new RuntimeException(
"Failed suppression of fs shutdown hook: " + hdfsClientFinalizer);
} }
Integer refs = fsShutdownHooks.get(hdfsClientFinalizer); Integer refs = fsShutdownHooks.get(hdfsClientFinalizer);
fsShutdownHooks.put(hdfsClientFinalizer, refs == null ? 1 : refs + 1); fsShutdownHooks.put(hdfsClientFinalizer, refs == null ? 1 : refs + 1);