You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@heron.apache.org by GitBox <gi...@apache.org> on 2018/06/22 22:33:14 UTC
[GitHub] nlu90 opened a new pull request #2935: make EvitionContext extend
Serializable
nlu90 opened a new pull request #2935: make EvitionContext extend Serializable
URL: https://github.com/apache/incubator-heron/pull/2935
Previously without extending the `Serializable` interface, a tumbling window in stateful processing causes the following exception:
```
[2018-06-22 13:16:01 -0700] [SEVERE] org.apache.heron.instance.HeronInstance: Exception caught in thread: SlaveThread with id: 13
java.lang.ClassCastException: org.apache.heron.api.windowing.DefaultEvictionContext cannot be cast to java.io.Serializable
at org.apache.heron.api.windowing.WindowManager.getState(WindowManager.java:350)
at org.apache.heron.api.bolt.WindowedBoltExecutor.preSave(WindowedBoltExecutor.java:452)
at org.apache.heron.api.bolt.StatefulWindowedBoltExecutor.preSave(StatefulWindowedBoltExecutor.java:61)
at org.apache.heron.instance.bolt.BoltInstance.persistState(BoltInstance.java:153)
at org.apache.heron.instance.bolt.BoltInstance.readTuplesAndExecute(BoltInstance.java:255)
at org.apache.heron.instance.bolt.BoltInstance$1.run(BoltInstance.java:220)
at org.apache.heron.common.basics.WakeableLooper.executeTasksOnWakeup(WakeableLooper.java:191)
at org.apache.heron.common.basics.WakeableLooper.runOnce(WakeableLooper.java:110)
at org.apache.heron.common.basics.WakeableLooper.loop(WakeableLooper.java:100)
at org.apache.heron.instance.Slave.run(Slave.java:185)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
```
This PR fixes the problem and also added one example.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
With regards,
Apache Git Services