If you're facing issues relating to MIS connectivity or facing the error message "MIS cannot be reached", follow the guides below depending on whether you're hosted or non-hosted.
Hosted
For hosted customers please raise a new case online and reference the title of this article. Please provide the name or URL of the Mosaic instances this relates to.
Non-hosted
For non-hosted customers, ask your administrator to check the Weblogic MIS server for the following error:
java.lang.IllegalArgumentException: Comparison method violates its general contract!
If the above entry is present in the logs, add the following JVM option to the arguments in the MIS server start configuration.
-Djava.util.Arrays.useLegacyMergeSort=true
