<div dir="ltr">Looking at this a bit closer it seems that Tomcat 7.0.35 will call stop() if the lifecycle state is set to FAILED.<br><br><a href="http://grepcode.com/file/repo1.maven.org/maven2/org.apache.tomcat/tomcat-catalina/7.0.35/org/apache/catalina/util/LifecycleBase.java">http://grepcode.com/file/repo1.maven.org/maven2/org.apache.tomcat/tomcat-catalina/7.0.35/org/apache/catalina/util/LifecycleBase.java</a> line 141.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jun 29, 2015 at 9:45 AM, Matthew Casperson <span dir="ltr"><<a href="mailto:matthew.casperson@autogeneral.com.au" target="_blank">matthew.casperson@autogeneral.com.au</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div> I have been seeing this a bit recently (I'm using KeyCloak 1.2.0). I haven't tracked down a reproducible test case yet, but I'm wondering if there are situations where Tomcat will attempt to stop the value before it is started, which leads to nodesRegistrationManagement being null.<br><br></div>Maybe it is worth adding a null check in AbstractKeycloakAuthenticatorValve.beforeStop()?<div><div><br>java.lang.NullPointerException<br> at org.keycloak.adapters.tomcat.AbstractKeycloakAuthenticatorValve.beforeStop(AbstractKeycloakAuthenticatorValve.java:130)<br> at org.keycloak.adapters.tomcat.AbstractKeycloakAuthenticatorValve.lifecycleEvent(AbstractKeycloakAuthenticatorValve.java:67)<br> at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)<br> at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)<br> at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:226)<br> at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:272)<br> at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:1041)<br> at org.apache.catalina.startup.HostConfig.deleteRedeployResources(HostConfig.java:1300)<br> at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1251)<br> at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1460)<br> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)<br> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<br> at java.lang.reflect.Method.invoke(Method.java:483)<br> at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301)<br> at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)<br> at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)<br> at org.apache.catalina.manager.ManagerServlet.check(ManagerServlet.java:1445)<br> at org.apache.catalina.manager.ManagerServlet.undeploy(ManagerServlet.java:1381)<br> at org.apache.catalina.manager.HTMLManagerServlet.undeploy(HTMLManagerServlet.java:674)<br> at org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:215)<br> at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)<br> at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)<br> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)<br> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)<br> at org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:213)<br> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)<br> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)<br> at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)<br> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)<br> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)<br> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)<br> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)<br> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:581)<br> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)<br> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)<br> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)<br> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)<br> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)<br> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)<br> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)<br> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)<br> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)<br> at java.lang.Thread.run(Thread.java:745)<span class="HOEnZb"><font color="#888888"><br clear="all"><br>-- <br><div><div dir="ltr"><div><div dir="ltr"><div><b><font face="tahoma, sans-serif">Matthew Casperson</font></b></div><div><b><font face="tahoma, sans-serif">Senior Front End Developer</font></b></div><div><font face="tahoma, sans-serif">Technology, Space & Distribution</font></div><div><font face="tahoma, sans-serif">Auto & General Holdings Pty Ltd</font></div><div><font face="tahoma, sans-serif">P: 07) 3377 </font><span style="font-family:tahoma,sans-serif;font-size:small">8751</span><font face="tahoma, sans-serif"> (Direct: 3377 </font><span style="font-family:tahoma,sans-serif;font-size:small">8751</span><font face="tahoma, sans-serif">)</font></div><div><font face="tahoma, sans-serif">F: 07) 3377 8833<br><br></font></div><img src="https://sites.google.com/a/autogeneral.com.au/logos/_/rsrc/1375661597693/home/autogeneral.gif" style="border:0px none;max-width:100%;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;line-height:18px"><br></div></div></div></div>
</font></span></div></div></div>
</blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><b><font face="tahoma, sans-serif">Matthew Casperson</font></b></div><div><b><font face="tahoma, sans-serif">Senior Front End Developer</font></b></div><div><font face="tahoma, sans-serif">Technology, Space & Distribution</font></div><div><font face="tahoma, sans-serif">Auto & General Holdings Pty Ltd</font></div><div><font face="tahoma, sans-serif">P: 07) 3377 </font><span style="font-family:tahoma,sans-serif;font-size:small">8751</span><font face="tahoma, sans-serif"> (Direct: 3377 </font><span style="font-family:tahoma,sans-serif;font-size:small">8751</span><font face="tahoma, sans-serif">)</font></div><div><font face="tahoma, sans-serif">F: 07) 3377 8833<br><br></font></div><img src="https://sites.google.com/a/autogeneral.com.au/logos/_/rsrc/1375661597693/home/autogeneral.gif" style="border:0px none;max-width:100%;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;line-height:18px"><br></div></div></div></div>
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