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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2019/01/03 02:03:17 UTC

[GitHub] jiazhai opened a new issue #3287: ConsumerImpl.redeliverUnacknowledgedMessages() get empty messageids

jiazhai opened a new issue #3287: ConsumerImpl.redeliverUnacknowledgedMessages() get empty messageids
URL: https://github.com/apache/pulsar/issues/3287
 
 
   #### Expected behavior
   
   no panic and error.
   
   #### Actual behavior
   meet error info:
   ```
   java.util.NoSuchElementException: No value present
           at java.util.Optional.get(Optional.java:135)
           at org.apache.pulsar.client.impl.ConsumerImpl.redeliverUnacknowledgedMessages(ConsumerImpl.java:1246)
           at org.apache.pulsar.client.impl.UnAckedMessageTracker$1.run(UnAckedMessageTracker.java:96)
           at org.apache.pulsar.shade.io.netty.util.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:663)
           at org.apache.pulsar.shade.io.netty.util.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:738)
           at org.apache.pulsar.shade.io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:466)
           at org.apache.pulsar.shade.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
   ```
   
   And some times, there is log: `0 messages have timed-out`.
   
   #### Steps to reproduce
   
   How can we reproduce the issue
   
   #### System configuration
   **Pulsar version**: 2.2.1
   

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