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Posted to notifications@fluo.apache.org by GitBox <gi...@apache.org> on 2022/05/31 20:13:34 UTC

[GitHub] [fluo-uno] EdColeman opened a new pull request, #281: Update kill cmd for ZooKeeper

EdColeman opened a new pull request, #281:
URL: https://github.com/apache/fluo-uno/pull/281

   The current script is using pgrep, looking for QuorumPeerMain to find the ZooKeeper pid - this does not seem to work when checking ZooKeeper status or when trying to stop ZooKeeper. Update the command to use ps aux.  
   
   (Using: OS version rhel 8.6)


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[GitHub] [fluo-uno] ctubbsii commented on pull request #281: Update kill cmd for ZooKeeper

Posted by GitBox <gi...@apache.org>.
ctubbsii commented on PR #281:
URL: https://github.com/apache/fluo-uno/pull/281#issuecomment-1144005886

   This is a bug in that older version. It was fixed in 3.3.16. See my comment for Fedora 31 at https://bugzilla.redhat.com/show_bug.cgi?id=1782309#c3
   
   I don't think we should fix this in uno. The real problem is that RHEL is forked from a very old version of Fedora and has very out-of-date tools. One workaround is that you can create an alias for pgrep so that it works correctly, assuming there's not already an update to pgrep for your OS available.
   
   It would also help if ZK scripts used the CLASSPATH environment variable instead of passing `-cp` on the Java command-line. That's an upstream bug in ZK.


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[GitHub] [fluo-uno] EdColeman commented on pull request #281: Update kill cmd for ZooKeeper

Posted by GitBox <gi...@apache.org>.
EdColeman commented on PR #281:
URL: https://github.com/apache/fluo-uno/pull/281#issuecomment-1143742833

   I can see the process with jps and ps, however grep does not return anything.
   
   ```
   [fluo-uno]$ jps -m
   22965 QuorumPeerMain /home/fluo-uno/install/apache-zookeeper-3.7.0-bin/bin/../conf/zoo.cfg
   23226 Jps -m
   
   [luo-uno]$ ps aux | grep "[Q]uorumPeerMain" | awk '{print $2}'
   22965
   
   [fluo-uno]$ pgrep -f "[Q]uorumPeerMain"
   
   ```
   


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[GitHub] [fluo-uno] milleruntime commented on pull request #281: Update kill cmd for ZooKeeper

Posted by GitBox <gi...@apache.org>.
milleruntime commented on PR #281:
URL: https://github.com/apache/fluo-uno/pull/281#issuecomment-1143552571

   I just tried: `pgrep -f "[Q]uorumPeerMain"` and that worked on Ubuntu.


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[GitHub] [fluo-uno] EdColeman commented on pull request #281: Update kill cmd for ZooKeeper

Posted by GitBox <gi...@apache.org>.
EdColeman commented on PR #281:
URL: https://github.com/apache/fluo-uno/pull/281#issuecomment-1143876458

   pgrep version: `$ pgrep from procps-ng 3.3.15`


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[GitHub] [fluo-uno] ctubbsii commented on pull request #281: Update kill cmd for ZooKeeper

Posted by GitBox <gi...@apache.org>.
ctubbsii commented on PR #281:
URL: https://github.com/apache/fluo-uno/pull/281#issuecomment-1144008442

   See also #243


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[GitHub] [fluo-uno] milleruntime commented on pull request #281: Update kill cmd for ZooKeeper

Posted by GitBox <gi...@apache.org>.
milleruntime commented on PR #281:
URL: https://github.com/apache/fluo-uno/pull/281#issuecomment-1143853441

   Different version of `pgrep`? What does `prep --version` print? I am running:
   pgrep from procps-ng 3.3.12


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[GitHub] [fluo-uno] EdColeman commented on pull request #281: Update kill cmd for ZooKeeper

Posted by GitBox <gi...@apache.org>.
EdColeman commented on PR #281:
URL: https://github.com/apache/fluo-uno/pull/281#issuecomment-1144111888

   The may be other ways to address this - update pgrep or change the way the classpath is passed to commands to shorten command length.


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[GitHub] [fluo-uno] EdColeman closed pull request #281: Update kill cmd for ZooKeeper

Posted by GitBox <gi...@apache.org>.
EdColeman closed pull request #281: Update kill cmd for ZooKeeper
URL: https://github.com/apache/fluo-uno/pull/281


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