Jun Rao created KAFKA-1571:
------------------------------

             Summary: MetadataeTest hangs
                 Key: KAFKA-1571
                 URL: https://issues.apache.org/jira/browse/KAFKA-1571
             Project: Kafka
          Issue Type: Bug
          Components: core
    Affects Versions: 0.8.2
            Reporter: Jun Rao
            Assignee: Jun Rao


Saw the following stacktrace. 

"Thread-47" prio=10 tid=0x00007fb5b00a5000 nid=0x25de in Object.wait() 
[0x00007fb5af9f8000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0x00000006b0925e40> (a 
org.apache.kafka.clients.producer.internals.Metadata)
        at 
org.apache.kafka.clients.producer.internals.Metadata.awaitUpdate(Metadata.java:107)
        - locked <0x00000006b0925e40> (a 
org.apache.kafka.clients.producer.internals.Metadata)
        at 
org.apache.kafka.clients.producer.MetadataTest$1.run(MetadataTest.java:57)

"Thread-46" prio=10 tid=0x00007fb5b00a3800 nid=0x25dd in Object.wait() 
[0x00007fb5afbfa000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0x00000006b0925e40> (a 
org.apache.kafka.clients.producer.internals.Metadata)
        at 
org.apache.kafka.clients.producer.internals.Metadata.awaitUpdate(Metadata.java:107)
        - locked <0x00000006b0925e40> (a 
org.apache.kafka.clients.producer.internals.Metadata)
        at 
org.apache.kafka.clients.producer.MetadataTest$1.run(MetadataTest.java:57)

"Test worker" prio=10 tid=0x00007fb610891000 nid=0x25b1 in Object.wait() 
[0x00007fb5d4a5f000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0x00000006b0926700> (a 
org.apache.kafka.clients.producer.MetadataTest$1)
        at java.lang.Thread.join(Thread.java:1186)
        - locked <0x00000006b0926700> (a 
org.apache.kafka.clients.producer.MetadataTest$1)
        at java.lang.Thread.join(Thread.java:1239)
        at 
org.apache.kafka.clients.producer.MetadataTest.testMetadata(MetadataTest.java:46)




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