[jira] [Created] (NIFI-1865) PostHTTP and ListenHTTP never shutdown LeakyBucketStreamThrottler thread

["Koji Kawamura (JIRA)" <ji...@apache.org>]

Koji Kawamura created NIFI-1865:
-----------------------------------

             Summary: PostHTTP and ListenHTTP never shutdown LeakyBucketStreamThrottler thread
                 Key: NIFI-1865
                 URL: https://issues.apache.org/jira/browse/NIFI-1865
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 0.4.1
            Reporter: Koji Kawamura
            Priority: Minor


LeakyBucketStreamThrottler implements close and inside it it shutdowns executorService.

However, ListenHTTP and PostHTTP doesn't call close, and since those processors create new LeakyBucketStreamThrottler instance when it is scheduled, it creates new thread without closing the old ones.

It can be reproduced by repeating stop and start those processors again and again. You can confirm the number of threads are increasing by following command:

{code}
$ watch "ps -M |grep {nifi pid} | wc -l"
{code}

or using thread dump

{code}
$ tail -f logs/nifi-bootstrap.log |grep LeakyBucketStreamThrottler.java
from another terminal
$ kill -3 {nifi pid}
{code}



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