Paranamer fixed a thread-safety issue with the CachingParanamer (using the thread-unsafe WeakHashMap w/o synchronization) which first surfaced in v2.6.1
BTW, I wrote a replacement for paranamer a while back that is easier to use and works with the new java8 parameter names features. https://github.com/airlift/parameternames
Paranamer fixed a thread-safety issue with the CachingParanamer (using the thread-unsafe WeakHashMap w/o synchronization) which first surfaced in v2.6.1