GitHub user caofangkun opened a pull request:
https://github.com/apache/storm/pull/417
STORM-658:when config topology.acker.executors is null, should not start
acker bolts

Before the patch:

After the patch:
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/caofangkun/apache-storm storm-658
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/storm/pull/417.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #417
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commit 6c04e1bea802d28ae92a234ddbaad2c1ed0a6835
Author: caofangkun <[email protected]>
Date: 2015-01-23T01:28:46Z
Merge pull request #4 from apache/master
Merger from apache/storm to caofangkun/apache-storm
commit d8c98cb1846bd07aef558bde410607b923aa5c1e
Author: caofangkun <[email protected]>
Date: 2015-02-04T01:09:22Z
Merge pull request #5 from apache/master
Merge from apache/storm to caofangkun/apache-storm
commit 4889f5249bbfa7e11195d55e59dbd8b6afc099ad
Author: caofangkun <[email protected]>
Date: 2015-02-05T07:44:00Z
STORM-658:when config topology.acker.executors is null, should not start
acker bolts
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