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From "Rakesh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-5455) Sporadic JDBC connection failure (Drill 1.10)
Date Mon, 01 May 2017 19:07:04 GMT
Rakesh created DRILL-5455:
-----------------------------

             Summary: Sporadic JDBC connection failure (Drill 1.10)
                 Key: DRILL-5455
                 URL: https://issues.apache.org/jira/browse/DRILL-5455
             Project: Apache Drill
          Issue Type: Bug
         Environment: JDK 1.7
            Reporter: Rakesh


My invocation to get JDBC connection succeeds 8 out of 10 times and fails the other times
with the below message. (Of course it's not predictable or reproducible hence don't know the
circumstances to reproduce it):

JavaException: ../quartz/src/javapy/JavaPy.cpp:449: JavaException: java.sql.SQLException:
Failure in connecting to Drill: oadd.org.apache.drill.exec.rpc.RpcException: Failure setting
up ZK for client. ()
Java stacktrace:
    at org.apache.drill.jdbc.impl.DrillConnectionImpl.<init>(DrillConnectionImpl.java:161)
    at org.apache.drill.jdbc.impl.DrillJdbc41Factory.newDrillConnection(DrillJdbc41Factory.java:70)
    at org.apache.drill.jdbc.impl.DrillFactory.newConnection(DrillFactory.java:69)
    at oadd.org.apache.calcite.avatica.UnregisteredDriver.connect(UnregisteredDriver.java:143)
    at org.apache.drill.jdbc.Driver.connect(Driver.java:72)
    at java.sql.DriverManager.getConnection(DriverManager.java:571)
    at java.sql.DriverManager.getConnection(DriverManager.java:233)




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