Puneet Gupta created LENS-973:
---------------------------------

             Summary: On Server restart not able to launch new queries on hive 
if queue constraint driver.max.concurrent.launched.queries.per.queue is enabled
                 Key: LENS-973
                 URL: https://issues.apache.org/jira/browse/LENS-973
             Project: Apache Lens
          Issue Type: Bug
            Reporter: Puneet Gupta
            Priority: Critical


{noformat}
org.apache.lens.server.query.QueryExecutionServiceImpl - Error launching query: 
94487ed0-b      881-4949-9421-5344dcd3baf4
12041 java.lang.NullPointerException: null
12042         at 
org.apache.lens.server.api.query.constraint.MaxConcurrentDriverQueriesConstraint.canLaunchWithQueueConstraint(MaxConcurrentDriverQueriesConstraint.java:64)
 ~[lens      -server-api-2.5.3-inm.jar:2.5.3-inm]
12043         at 
org.apache.lens.server.api.query.constraint.MaxConcurrentDriverQueriesConstraint.allowsLaunchOf(MaxConcurrentDriverQueriesConstraint.j
{noformat}



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