inline Java libraries in WEB-INF/lib get corrupted
.jar-libraries into the
WEB-INF/lib directory of an App Engine project, the file get’s corrupted (wrong size) and can’t be opened by the server (throwing
ZipException: error in opening zip file) after compiling.
<filtering>true</filtering> from the
org.apache.maven.plugins-plugin in the projects
pom.xml-file fixes the problme. See StackOverflow.