[jira] [Created] (TINKERPOP-2734) NullPointerException when calling Client chooseConnection()

["Mark Bennett (Jira)" <ji...@apache.org>]

Mark Bennett created TINKERPOP-2734:
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             Summary: NullPointerException when calling Client chooseConnection()
                 Key: TINKERPOP-2734
                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2734
             Project: TinkerPop
          Issue Type: Bug
          Components: driver
    Affects Versions: 3.5.2
            Reporter: Mark Bennett


This is similar to TINKERPOP-2597 and reported fixed in gremlin driver 3.5.2. However, we are still getting intermittent null pointer exceptions, and our stack trace it a bit different:
{code:java}
java.lang.NullPointerException: null
at org.apache.tinkerpop.gremlin.driver.Client$SessionedClient.chooseConnection(Client.java:813)
at org.apache.tinkerpop.gremlin.driver.Client.submitAsync(Client.java:390)
at org.apache.tinkerpop.gremlin.driver.Client.submitAsync(Client.java:373)
at org.apache.tinkerpop.gremlin.driver.Client.submitAsync(Client.java:298)
at org.apache.tinkerpop.gremlin.driver.Client.submit(Client.java:250)
{code}
In addition we see this in our logs:

class=org.apache.tinkerpop.gremlin.driver.ConnectionPool
Signalled closing of connection pool on Host\{..}

class=org.apache.tinkerpop.gremlin.driver.Client
Could not initialize client for Optional[..]



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