This team is upgrading a JBoss application server from Java 7 to Java 8, as well as converting several configuration files from XML to text properties files — “just to make sure there were plenty of possible problems to troubleshoot,” says a pilot fish on the team.

“Initial testing in the development and test environments seemed to go fine, with no major hiccups or problems.

“We moved on to deployment on the operational system — and the JBoss component wouldn’t start correctly. Error messages indicated that at least one of the property values, which is an integer, can’t be read because it’s a string and can’t be converted.

“Troubleshooting showed that the property file seemed to be fine. File permissions were good, and other property values in the file could be read correctly.

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