Hi, I just installed the gluu-2.4.4.2 on a RHEL 7 machine. when i try to add a new trust relationship for SAML, i get an error: system error. please try again or contact a gluu administrator for help. the server stack trace is this: INFO | jvm 1 | 2017/01/09 10:01:35 | javax.el.ELException: java.lang.NullPointerException INFO | jvm 1 | 2017/01/09 10:01:35 | at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:339) INFO | jvm 1 | 2017/01/09 10:01:35 | at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:348) INFO | jvm 1 | 2017/01/09 10:01:35 | at org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58) INFO | jvm 1 | 2017/01/09 10:01:35 | at org.jboss.el.parser.AstValue.invoke(AstValue.java:96) .. .. .. INFO | jvm 1 | 2017/01/09 10:01:35 | Caused by: java.lang.NullPointerException INFO | jvm 1 | 2017/01/09 10:01:35 | at org.gluu.oxtrust.ldap.service.FilterService.getAvailableMetadataFilters(FilterService.java:78) INFO | jvm 1 | 2017/01/09 10:01:35 | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) INFO | jvm 1 | 2017/01/09 10:01:35 | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) INFO | jvm 1 | 2017/01/09 10:01:35 | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) INFO | jvm 1 | 2017/01/09 10:01:35 | at java.lang.reflect.Method.invoke(Method.java:606)