When importing weld pastecode example to JBT Building project and Validation processes never ends are stucked in infinite loop.

Steps to reproduce:

1. get pastecode weld example from https://github.com/weld/core/tree/master/examples/jsf/pastecode
2. import pastecode example as Maven project to JBT

In error log is periodically added this message "Unable to locate Source XRef to link to - DISABLED" as Warning with no stack trace available. See attached screencast for never ending processes.