Zimbra Releases/8.8.6 HotFix

Zimbra Collaboration 8.8.6 Hotfix

   KB 23654        Last updated on 2018-02-23  




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Purpose

This hotfix includes following fixes for on 8.8.6 GA:

  • Bug 108414 Null pointer Exception
  • Bug 108839 Address uncontrolled heap growth in ImapSessionManager::sessions

Please re-check your ZCS version. This hotfix should only be applied on 8.8.6.GA.1906. Any issues after hotfix, you revert the changes by ./install_patch.sh -r

IMPORTANT NOTES:

  • 1. The install_patch.sh script should be run as root.
  • 2. This patch may safely be installed on:
    • 1. Unpatched 8.8.6GA.
    • 2. 8.8.6GA that already has zcs-patch-8.8.6_GA_HF_108414 installed.

Resolution

To install the hotfix, first thing is to grab the hotfix from our downloads website - Second, as a root, unzip the package:

# tar -xvzf zcs-patch-8.8.6_GA_HF_108839.tgz
zcs-patch-8.8.6_GA_HF_108839/
zcs-patch-8.8.6_GA_HF_108839/install_patch.sh
zcs-patch-8.8.6_GA_HF_108839/patched_jars/
zcs-patch-8.8.6_GA_HF_108839/README.txt
zcs-patch-8.8.6_GA_HF_108839/patched_jars/zm-store-8.8.6.1516807620.jar

Now, still as root, move to the new folder and run the patch:

cd zcs-patch-8.8.6_GA_HF_108839
./install_patch.sh 

You'll see an output like this one:

Backing up jars.
Installing Fix for Bug 108414 and 108839
Installation completed. Please restart the mailbox.

Final step, as zimbra user, is to restart the Zimbra services:

su - zimbra
zmmailboxdctl restart

Additional Content

  • In case you want and extra help, the patch has the -h variable you can run:
./install_patch.sh -h
Usage: ./install_patch.sh [OPTION]
./install_patch.sh install hotfix for Bug 108414 and 108839 on 8.8.6.GA.1906
-r  revert the patch.
  • To revert patch, in case of any issues, follow the next step, as root:
./install_patch.sh -r
Reverting fix for Bug 108414 and 108839
Reverted the patch. Please restart the mailbox.

And then as user zimbra:

su - zimbra
zmmailboxdctl restart
Verified Against: Zimbra Collaboration 8.8.6 Date Created: 02/14/2018
Article ID: https://wiki.zimbra.com/index.php?title=Zimbra_Releases/8.8.6_HotFix Date Modified: 2018-02-23



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Wiki/KB reviewed by Jorge SME2 Copyeditor Last edit by Jorge de la Cruz
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