java.lang.IllegalArgumentException: The client module name was not found in the login file: spnego-client
	at org.codelibs.spnego.SpnegoFilterConfig.moduleExists(SpnegoFilterConfig.java:383)
	at org.codelibs.spnego.SpnegoFilterConfig.doClientModule(SpnegoFilterConfig.java:169)
	at org.codelibs.spnego.SpnegoFilterConfig.<init>(SpnegoFilterConfig.java:138)
	at org.codelibs.spnego.SpnegoFilterConfig.getInstance(SpnegoFilterConfig.java:314)
	at org.codelibs.spnego.SpnegoAuthenticator.<init>(SpnegoAuthenticator.java:205)
	at com.sonymobile.jenkins.plugins.kerberossso.ioc.SpnegoKerberosAuthenticationFactory$SpnegoKerberosAuthenticator.<init>(SpnegoKerberosAuthenticationFactory.java:79)
	at com.sonymobile.jenkins.plugins.kerberossso.ioc.SpnegoKerberosAuthenticationFactory$SpnegoKerberosAuthenticator.<init>(SpnegoKerberosAuthenticationFactory.java:63)
	at com.sonymobile.jenkins.plugins.kerberossso.ioc.SpnegoKerberosAuthenticationFactory.getInstance(SpnegoKerberosAuthenticationFactory.java:53)
	at com.sonymobile.jenkins.plugins.kerberossso.KerberosSSOFilter.init(KerberosSSOFilter.java:109)
Caused: javax.servlet.ServletException
	at com.sonymobile.jenkins.plugins.kerberossso.KerberosSSOFilter.init(KerberosSSOFilter.java:114)
	at hudson.util.PluginServletFilter.addFilter(PluginServletFilter.java:111)
	at com.sonymobile.jenkins.plugins.kerberossso.PluginImpl.registerFilter(PluginImpl.java:170)
Caused: com.sonymobile.jenkins.plugins.kerberossso.PluginImpl$FailedToConfigureFilter: Unable to register filter
	at com.sonymobile.jenkins.plugins.kerberossso.PluginImpl.registerFilter(PluginImpl.java:180)
	at com.sonymobile.jenkins.plugins.kerberossso.PluginImpl.start(PluginImpl.java:133)
Caused: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:104)
Caused: java.lang.Error
	at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:110)
	at hudson.init.TaskMethodFinder$TaskImpl.run(TaskMethodFinder.java:175)
	at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296)
	at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214)
	at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
Caused: org.jvnet.hudson.reactor.ReactorException
	at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:282)
	at jenkins.InitReactorRunner.run(InitReactorRunner.java:48)
	at hudson.PluginManager.dynamicLoad(PluginManager.java:948)
Caused: java.io.IOException: Failed to initialize kerberos-sso plugin
	at hudson.PluginManager.dynamicLoad(PluginManager.java:950)
	at hudson.PluginManager.dynamicLoad(PluginManager.java:871)
	at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:2030)
Caused: java.io.IOException: Failed to dynamically deploy this plugin
	at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:2034)
	at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:1726)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:112)
	at java.lang.Thread.run(Thread.java:748)