Anyone has seen this exception before? 2012-08-27 11:41:08,664 ERROR (testng-MinimalConfigurationParsingTest) [org.infinispan.test.fwk.UnitTestTestNGListener] Method testGlobalAndDefaultSection(org.infinispan.config.parsing.MinimalConfigurationParsingTest) threw an exception java.lang.InternalError at com.sun.xml.internal.bind.v2.model.annotation.RuntimeInlineAnnotationReader.getClassValue(RuntimeInlineAnnotationReader.java:128) Full stactrace in https://gist.github.com/3487453 It happened randomly in Infinispan master. I've seen some posts via google, but nothing conclusive. Cheers, -- Galder Zamarreño Sr. Software Engineer Infinispan, JBoss Cache