An Oracle blog about Ops Center

Ops Center Communication Issue with Some Java Versions

Guest Author

Some Ops Center users have run into an issue recently with certain Java versions on managed assets. Basically, if you upgrade to one of the problematic versions, it can disrupt communication between the different parts of Ops Center, causing assets to show as unreachable and jobs to fail.

The problem children are:

  • Java SE JDK and JRE 6 Update 101 or later

  • Java SE JDK and JRE 7 Update 85 or later

  • Java SE JDK and JRE 8 Update 51 or later

There's a simple workaround for this issue, which you can apply before or after you've hit the issue, which uses the OCDoctor script (by default, it's in the /var/opt/sun/xvm/OCDoctor/ directory).

On the EC, run the OCDoctor script with the --update option (the fix requires version 4.51 or later). Then run it again with the --troubleshoot and --fix options.

If you're using JDK 6, you then need to download a new Agent Controller bundle based on the version of Ops Center that you're using:

Finally, use the same OCDoctor options (--update, then --troubleshoot --fix) on the Proxy Controllers. This will either clear up the issue, or prevent it from appearing at all.

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