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HDFS-16852. Skip KeyProviderCache shutdown hook registration if already shutting down (#5160) 

Signed-off-by: Erik Krogen <xkrogen@apache.org>

(cherry picked from commit f7bdf6c667)
This commit is contained in:
Xing Lin 2022-12-16 08:46:14 -08:00 committed by Erik Krogen
parent daa33aafff
commit d43fa95043
1 changed files with 5 additions and 2 deletions
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7
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/KeyProviderCache.java
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@ -68,8 +68,11 @@ public class KeyProviderCache {
})
.build();
ShutdownHookManager.get().addShutdownHook(new KeyProviderCacheFinalizer(),
SHUTDOWN_HOOK_PRIORITY);
// Register the shutdown hook when not in shutdown
if (!ShutdownHookManager.get().isShutdownInProgress()) {
ShutdownHookManager.get().addShutdownHook(
new KeyProviderCacheFinalizer(), SHUTDOWN_HOOK_PRIORITY);
}
}
public KeyProvider get(final Configuration conf,