You might encounter the following error in the server log if you use TCP locators in a LiveCycle cluster with ES3 (10.0.2) and have installed a service pack or a patch on top of it.
Caused by: com.gemstone.gemfire.SystemConnectException: Attempt to connect to distributed system timed out
This issue occurs due to a mismatch in the Gemfire versions of the gemfire.jar bundled with LiveCycle Core EAR and the one supplied with TCP locator in the <LiveCycle_root>/lib/caching directory. To verify the issue, compare the Gemfire version in the Gemfire logs for your application server at the following location on LiveCycle server with the Gemfire version in the GFLocator.log file for your TCP Locator.
You will find that the server-side Gemfire has a higher version.
Perform the following steps to resolve the issue:
Verify the Gemfire versions in GFLocator.log and Gemfire.log files. You should see the same Gemfire version in both the files.
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