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https://issues.apache.org/jira/browse/HIVE-18303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

J.P Feng updated HIVE-18303:
----------------------------
    Description: 
i found exception :

ZooKeeperHiveLockManager: Failed to release ZooKeeper lock: 
java.lang.IllegalStateException: instance must be started before calling this 
method

because in ShutdownHookManager, priority of 
CuratorFrameworkSingleton.closeAndReleaseInstance is 10, but in 
Driver.releaseLocksAndCommitOrRollback, it's 0. So locks are released after 
CuratorFramework is closed, which may case such exception.



  was:
i found exception :

ZooKeeperHiveLockManager: Failed to release ZooKeeper lock: 
java.lang.IllegalStateException: instance must be started before calling this 
method

because in ShutdownHookManager, priority of 
CuratorFrameworkSingleton.closeAndReleaseInstance is 10, but in 
Driver.releaseLocksAndCommitOrRollback, it's 0. So locks are released after 
CuratorFramework is closed, which may case such exception.

This is my operation:

I add hook of ExecuteWithHookContext or PreExecute, which simply sleep like:
    @Override
    public void run(HookContext hookContext) throws Exception {

        int max_i = 6;

        try {
            for ( int i = 0; i < max_i ; i ++) {
                LOG.info("try to sleep, for i is => " + i);
                Thread.sleep(5000);
            }

        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
        }

    }

and run sql for example, 
select count(1) from hive_test.time_test;

Then enter ctrl+c twice to kill hive client. Hive client will not exit, and the 
above error is thrown.




> ZooKeeperHiveLockManager should close after lock release in 
> releaseLocksAndCommitOrRollback
> -------------------------------------------------------------------------------------------
>
>                 Key: HIVE-18303
>                 URL: https://issues.apache.org/jira/browse/HIVE-18303
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 2.1.1, 2.2.0
>         Environment: jdk 1.7, centos
>            Reporter: J.P Feng
>
> i found exception :
> ZooKeeperHiveLockManager: Failed to release ZooKeeper lock: 
> java.lang.IllegalStateException: instance must be started before calling this 
> method
> because in ShutdownHookManager, priority of 
> CuratorFrameworkSingleton.closeAndReleaseInstance is 10, but in 
> Driver.releaseLocksAndCommitOrRollback, it's 0. So locks are released after 
> CuratorFramework is closed, which may case such exception.



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