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  1. Java Driver
  2. JAVA-1634

ServerAddressSelector returns a List with a null element

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    • Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
    • 2.13.0
    • Affects Version/s: None
    • Component/s: Cluster Management
    • Labels:
      None

      On Jenkins, we occasionally see this stack trace:

      java.lang.NullPointerException
	at com.mongodb.BaseCluster.getRandomServer(BaseCluster.java:204)
	at com.mongodb.BaseCluster.getServer(BaseCluster.java:75)
	at com.mongodb.DBTCPConnector.getServer(DBTCPConnector.java:650)
	at com.mongodb.DBTCPConnector.access$300(DBTCPConnector.java:39)
	at com.mongodb.DBTCPConnector$MyPort.error(DBTCPConnector.java:482)
	at com.mongodb.DBTCPConnector.innerCall(DBTCPConnector.java:301)
	at com.mongodb.DBTCPConnector.call(DBTCPConnector.java:268)
	at com.mongodb.DBTCPConnectorTest.testConnectionReservationForReadThenWrite(DBTCPConnectorTest.java:137)

      I've traced it down to ServerAddressSelector.choose returning a list with a single null element in the case where the ServerAddress is no longer in the cluster.

            Assignee:
            jeff.yemin@mongodb.com Jeffrey Yemin
            Reporter:
            jeff.yemin@mongodb.com Jeffrey Yemin
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              Created:
              Updated:
              Resolved: