Nick Dimiduk created HBASE-24844:
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Summary: Exception on standalone (master) shutdown
Key: HBASE-24844
URL: https://issues.apache.org/jira/browse/HBASE-24844
Project: HBase
Issue Type: Bug
Components: Zookeeper
Affects Versions: 3.0.0-alpha-1
Reporter: Nick Dimiduk
Running HBase ({{master}} branch) in standalone mode, terminating the process
results in the following stack traces logged at error. It appears we shutdown
the zookeeper client out-of-order with {{shutdown}} of the thread pools.
{noformat}
2020-08-10 14:21:46,777 INFO [RS:0;localhost:16020] zookeeper.ZooKeeper:
Session: 0x100111361f20001 closed
2020-08-10 14:21:46,778 INFO [RS:0;localhost:16020]
regionserver.HRegionServer: Exiting; stopping=localhost,16020,1597094491257;
zookeeper connection closed.
2020-08-10 14:21:46,778 ERROR [main-EventThread] zookeeper.ClientCnxn: Error
while calling watcher
java.util.concurrent.RejectedExecutionException: Task
java.util.concurrent.FutureTask@6e61af4b rejected from
java.util.concurrent.ThreadPoolExecutor@6a5e365f[Terminated, pool size = 0,
active threads = 0, queued tasks = 0, completed tasks = 4]
at
java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2063)
at
java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:830)
at
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1379)
at
java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
at
java.util.concurrent.Executors$DelegatedExecutorService.submit(Executors.java:678)
at
org.apache.hadoop.hbase.zookeeper.ZKWatcher.process(ZKWatcher.java:559)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:535)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:510)
2020-08-10 14:21:46,778 INFO [shutdown-hook-0] regionserver.ShutdownHook:
Starting fs shutdown hook thread.
2020-08-10 14:21:46,779 ERROR [main-EventThread] zookeeper.ClientCnxn: Error
while calling watcher
java.util.concurrent.RejectedExecutionException: Task
java.util.concurrent.FutureTask@7d41da91 rejected from
java.util.concurrent.ThreadPoolExecutor@6a5e365f[Terminated, pool size = 0,
active threads = 0, queued tasks = 0, completed tasks = 4]
at
java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2063)
at
java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:830)
at
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1379)
at
java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
at
java.util.concurrent.Executors$DelegatedExecutorService.submit(Executors.java:678)
at
org.apache.hadoop.hbase.zookeeper.ZKWatcher.process(ZKWatcher.java:559)
at
org.apache.hadoop.hbase.zookeeper.PendingWatcher.process(PendingWatcher.java:40)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:535)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:510)
2020-08-10 14:21:46,780 INFO [main-EventThread] zookeeper.ClientCnxn:
EventThread shut down for session: 0x100111361f20001
2020-08-10 14:21:46,780 INFO [shutdown-hook-0] regionserver.ShutdownHook:
Shutdown hook finished.
{noformat}
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