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Java Changed security permission for DERBY network socket

by tgutwin

Posted on Monday Jan 25, 2016 at 06:25PM in Technology

I just realized that my Apache Derby database had stopped listening on its DB port 1527.Apache Derby

It took a bit of tracing but soon found
that a Java runtime policy had changed to be more restrictive than
before. It now restricts java apps to create and listen to IP ports by

The FIX:
add the follwoing to the end of the java.policy file in the jre\lib\security dir

grant {
permission "localhost:1527", "listen";

Thats it. the derby network server now starts as usual.