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From "Hans Deragon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PHOENIX-5154) 'Exception thrown when renewing lease' generates java.lang.NullPointerException
Date Thu, 21 Feb 2019 20:54:00 GMT
Hans Deragon created PHOENIX-5154:
-------------------------------------

             Summary: 'Exception thrown when renewing lease' generates java.lang.NullPointerException
                 Key: PHOENIX-5154
                 URL: https://issues.apache.org/jira/browse/PHOENIX-5154
             Project: Phoenix
          Issue Type: Bug
    Affects Versions: 4.14.0
            Reporter: Hans Deragon


Got the following under sqlline.py,  at the cursor, doing nothing:

{noformat}
0: jdbc:phoenix:> 19/02/21 20:41:16 ERROR query.ConnectionQueryServicesImpl: Exception
thrown when renewing lease
java.lang.NullPointerException
        at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.setRenew(ScannerCallableWithReplicas.java:101)
        at org.apache.hadoop.hbase.client.ClientScanner.renewLease(ClientScanner.java:571)
        at org.apache.phoenix.iterate.TableResultIterator.renewLease(TableResultIterator.java:284)
        at org.apache.phoenix.query.ConnectionQueryServicesImpl$RenewLeaseTask.run(ConnectionQueryServicesImpl.java:4425)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
{noformat}

Previously though, I got a lot of timeout exception while performing 'select count(*) from
mytable' while I was inserting in a different terminal 3 000 000 rows into it.  These exceptions
might be related.

Still, NullPointerException should never happens.  There is some bug lingering somewhere.



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