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https://issues.apache.org/jira/browse/STORM-1187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15045542#comment-15045542
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ASF GitHub Bot commented on STORM-1187:
---------------------------------------
Github user d2r commented on the pull request:
https://github.com/apache/storm/pull/900#issuecomment-162632780
From the travis-ci run, I see two errors from WaterMarkEventsGeneratorTest:
```
Running backtype.storm.windowing.WaterMarkEventGeneratorTest
Tests run: 4, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 0.651 sec
<<< FAILURE! - in backtype.storm.windowing.WaterMarkEventGeneratorTest
testTrackTwoStreams(backtype.storm.windowing.WaterMarkEventGeneratorTest)
Time elapsed: 0.13 sec <<< ERROR!
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.rangeCheck(ArrayList.java:635)
at java.util.ArrayList.get(ArrayList.java:411)
at
backtype.storm.windowing.WaterMarkEventGeneratorTest.testTrackTwoStreams(WaterMarkEventGeneratorTest.java:90)
testTrackSingleStream(backtype.storm.windowing.WaterMarkEventGeneratorTest)
Time elapsed: 0.191 sec <<< ERROR!
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.rangeCheck(ArrayList.java:635)
at java.util.ArrayList.get(ArrayList.java:411)
at
backtype.storm.windowing.WaterMarkEventGeneratorTest.testTrackSingleStream(WaterMarkEventGeneratorTest.java:62)
```
> Support for late and out of order events in time based windows
> --------------------------------------------------------------
>
> Key: STORM-1187
> URL: https://issues.apache.org/jira/browse/STORM-1187
> Project: Apache Storm
> Issue Type: Sub-task
> Reporter: Arun Mahadevan
> Assignee: Arun Mahadevan
>
> Right now the time based windows uses the timestamp when the tuple is
> received by the bolt.
> However there are use cases where the tuples can be processed based on the
> time when they are actually generated vs the time when they are received. So
> we need to add support for processing events with a time lag and also have
> some way to specify and read tuple timestamps.
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