Issue

• IllegalArgumentException while opening any bpmn process in guvnor

WARN  [org.jboss.seam.security.permission.PersistentPermissionResolver] (MSC service thread 1-4) no permission store available - please install a PermissionStore with the name 'org.jboss.seam.security.jpaPermissionStore' if persistent permissions are required.
 ERROR [stderr] (http-/127.0.0.1:8080-1) javax.security.auth.login.LoginException: java.lang.IllegalArgumentException
 ERROR [stderr] (http-/127.0.0.1:8080-1)    at javax.security.auth.callback.NameCallback.<init>(NameCallback.java:73)
 ERROR [stderr] (http-/127.0.0.1:8080-1)    at org.jboss.as.security.RealmDirectLoginModule.validatePassword(RealmDirectLoginModule.java:195)
 ERROR [stderr] (http-/127.0.0.1:8080-1)    at org.jboss.security.auth.spi.UsernamePasswordLoginModule.login(UsernamePasswordLoginModule.java:290)
 ERROR [stderr] (http-/127.0.0.1:8080-1)    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 ERROR [stderr] (http-/127.0.0.1:8080-1)    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 ERROR [stderr] (http-/127.0.0.1:8080-1)    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 ERROR [stderr] (http-/127.0.0.1:8080-1)    at java.lang.reflect.Method.invoke(Method.java:597)
 ERROR [stderr] (http-/127.0.0.1:8080-1)    at javax.security.auth.login.LoginContext.invoke(LoginContext.java:769)
 ERROR [stderr] (http-/127.0.0.1:8080-1)    at javax.security.auth.login.LoginContext.access$000(LoginContext.java:186)
 ERROR [stderr] (http-/127.0.0.1:8080-1)    at javax.security.auth.login.LoginContext$4.run(LoginContext.java:683)