Workaround for Java 8u131 “attempted to open sandboxed jar  xxxxx as a Trusted-Library” error

A recent Java update to Java 8 build 131 changed what Java would accept as a “signed” JAR app. Specifically, any JAR signed with an MD5 hash will no longer be considered trusted, as the MD5 hash is now considered to be weak. This change results in applications refusing to run with an error message […]