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https://issues.apache.org/jira/browse/TINKERPOP-2733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Bennett closed TINKERPOP-2733.
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Resolution: Invalid
> NullPointerException when calling chooseConnection(Client.java:813)
> -------------------------------------------------------------------
>
> Key: TINKERPOP-2733
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2733
> Project: TinkerPop
> Issue Type: Bug
> Components: driver
> Affects Versions: 3.5.2
> Environment: Production
> Reporter: Mark Bennett
> Priority: Major
>
> This is similar to TINKERPOP-2597 and reported fixed in gremlin driver 3.5.2.
> However, we are still getting the 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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