[ https://issues.apache.org/jira/browse/HBASE-24844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
wenfeiyi666 reassigned HBASE-24844: ----------------------------------- Assignee: wenfeiyi666 > 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 > Assignee: wenfeiyi666 > Priority: Minor > > 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} -- This message was sent by Atlassian Jira (v8.3.4#803005)