I done Custom authentication script and added it in "Person Authentication" tab of "Manage Custom Scripts". On accessing gluu GUI after restarting tomcat, it fails to reach login page with following error in parsing Python file, 2015-06-26 09:03:31,213 INFO [org.xdi.oxauth.model.util.JwtUtil] Adding Bouncy Castle Provider 2015-06-26 09:03:31,247 DEBUG [org.xdi.oxauth.util.FileConfiguration] Loading '/opt/tomcat/conf/oxauth-ldap.properties' configuration file from config folder 2015-06-26 09:03:31,391 DEBUG [org.xdi.oxauth.util.FileConfiguration] Loading '/opt/tomcat/conf/salt' configuration file from config folder 2015-06-26 09:03:31,888 INFO [org.xdi.oxauth.model.config.ConfigurationFactory] Loading configuration from LDAP... 2015-06-26 09:03:32,358 DEBUG [org.xdi.oxauth.service.AppInitializer] Created ldapEntryManager: org.gluu.site.ldap.persistence.LdapEntryManager@615899fc 2015-06-26 09:03:33,042 INFO [org.xdi.oxauth.model.config.ConfigurationFactory] Configuration loaded successfully. 2015-06-26 09:03:37,700 ERROR [org.xdi.service.custom.script.CustomScriptManager] Failed to prepare external type '@!EEC7.2AB9.A031.93F7!0001!D39C.D02F!A5F1.350D' org.xdi.exception.PythonException: Failed to load python file 'java.io.ByteArrayInputStream@7fc3768a' at org.xdi.service.PythonService.loadPythonScript(PythonService.java:118) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.jboss.seam.util.Reflections.invoke(Reflections.java:22) at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:32) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185) at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:103) at org.xdi.service.PythonService_$$_javassist_seam_5.loadPythonScript(PythonService_$$_javassist_seam_5.java) at org.xdi.service.custom.script.CustomScriptManager.createExternalTypeFromStringWithPythonException(CustomScriptManager.java:302) at org.xdi.service.custom.script.CustomScriptManager.createExternalType(CustomScriptManager.java:276) at org.xdi.service.custom.script.CustomScriptManager.reloadCustomScriptConfigurations(CustomScriptManager.java:214) at org.xdi.service.custom.script.CustomScriptManager.reloadImpl(CustomScriptManager.java:140) at org.xdi.service.custom.script.CustomScriptManager.reload(CustomScriptManager.java:128) at org.xdi.service.custom.script.CustomScriptManager.init(CustomScriptManager.java:87) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.jboss.seam.util.Reflections.invoke(Reflections.java:22) at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:32) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:77) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.async.AsynchronousInterceptor.aroundInvoke(AsynchronousInterceptor.java:52) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185) at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:103) at org.xdi.service.custom.script.CustomScriptManager_$$_javassist_seam_6.init(CustomScriptManager_$$_javassist_seam_6.java) at org.xdi.oxauth.service.AppInitializer.createApplicationComponents(AppInitializer.java:114) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.jboss.seam.util.Reflections.invoke(Reflections.java:22) at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:32) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:77) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.async.AsynchronousInterceptor.aroundInvoke(AsynchronousInterceptor.java:52) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185) at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:103) at org.xdi.oxauth.service.AppInitializer_$$_javassist_seam_1.createApplicationComponents(AppInitializer_$$_javassist_seam_1.java) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.jboss.seam.util.Reflections.invoke(Reflections.java:22) at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:144) at org.jboss.seam.Component.callComponentMethod(Component.java:2275) at org.jboss.seam.Component.callCreateMethod(Component.java:2198) at org.jboss.seam.Component.newInstance(Component.java:2158) at org.jboss.seam.Component.getInstance(Component.java:2024) at org.jboss.seam.Component.getInstance(Component.java:1986) at org.jboss.seam.Component.getInstance(Component.java:1980) at org.jboss.seam.Component.getInstanceFromFactory(Component.java:2081) at org.jboss.seam.Component.getInstance(Component.java:2014) at org.jboss.seam.Component.getInstance(Component.java:1986) at org.jboss.seam.Component.getInstance(Component.java:1980) at org.jboss.seam.Component.getInstanceInAllNamespaces(Component.java:2375) at org.jboss.seam.Component.getValueToInject(Component.java:2327) at org.jboss.seam.Component.injectAttributes(Component.java:1739) at org.jboss.seam.Component.inject(Component.java:1557) at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:61) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185) at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:103) at org.xdi.oxauth.service.AuthenticationFilterService_$$_javassist_seam_0.init(AuthenticationFilterService_$$_javassist_seam_0.java) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.jboss.seam.util.Reflections.invoke(Reflections.java:22) at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:144) at org.jboss.seam.Component.callComponentMethod(Component.java:2275) at org.jboss.seam.Component.callCreateMethod(Component.java:2198) at org.jboss.seam.Component.newInstance(Component.java:2158) at org.jboss.seam.contexts.Contexts.startup(Contexts.java:304) at org.jboss.seam.contexts.Contexts.startup(Contexts.java:278) at org.jboss.seam.contexts.ServletLifecycle.endInitialization(ServletLifecycle.java:143) at org.jboss.seam.init.Initialization.init(Initialization.java:744) at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:36) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4992) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5490) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:649) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1083) at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1880) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: Traceback (most recent call last): File "<iostream>", line 14, in <module> ImportError: No module named json at org.python.core.Py.ImportError(Py.java:304) at org.python.core.imp.import_first(imp.java:755) at org.python.core.imp.import_module_level(imp.java:837) at org.python.core.imp.importName(imp.java:917) at org.python.core.ImportFunction.__call__(__builtin__.java:1220) at org.python.core.PyObject.__call__(PyObject.java:357) at org.python.core.__builtin__.__import__(__builtin__.java:1173) at org.python.core.imp.importOneAs(imp.java:954) at org.python.pycode._pyx0.f$0(<iostream>:16) at org.python.pycode._pyx0.call_function(<iostream>) at org.python.core.PyTableCode.call(PyTableCode.java:165) at org.python.core.PyCode.call(PyCode.java:18) at org.python.core.Py.runCode(Py.java:1275) at org.python.util.PythonInterpreter.execfile(PythonInterpreter.java:235) at org.python.util.PythonInterpreter.execfile(PythonInterpreter.java:230) at org.xdi.service.PythonService.loadPythonScript(PythonService.java:116) ... 115 more