JBossSecurityMgrRealm as a Valve doesn't work after upgradin
bonhamcm Apr 27, 2004 2:17 PMI'm upgrading an application from JBoss 3.2.2 to 3.2.4RC1 where Tomcat changed from 4.1.27 to 5.0.19. I used the JBossSecurityMgrRealm as a valve in JBoss 3.2.2 to obtain the subject from a request attribute j_subject. After upgrading to JBoss 3.2.4RC1, I now get an NPE. Here's the server.xml config portion:
<Host name="localhost" autoDeploy="false"> <!-- Access logger --> <!-- <Valve className="org.apache.catalina.valves.AccessLogValve" prefix="localhost_access_log." suffix=".log" pattern="common" directory="${jboss.server.home.dir}/log" resolveHosts="false" /> --> <Valve className="org.jboss.web.tomcat.security.JBossSecurityMgrRealm" subjectAttributeName="j_subject" certificatePrincipal="org.jboss.security.auth.certs.SubjectDNMapping" /> <!-- Uncomment to enable single sign-on across web apps deployed to this host. <Valve className="org.apache.catalina.authenticator.SingleSignOn" debug="0"/> --> <!-- Check for unclosed connections --> <Valve className="org.jboss.web.tomcat.tc5.jca.CachedConnectionValve" cachedConnectionManagerObjectName="jboss.jca:service=CachedConnectionManager" /> <!-- Default context parameters --> <DefaultContext cookies="true" crossContext="true" override="true" /> </Host>
And the stack trace:
2004-04-27 13:59:57,218 ERROR [org.apache.catalina.realm.RealmBase] (main:jboss.web:service=WebServer Tomcat5) Can't register null java.lang.NullPointerException at org.apache.catalina.realm.RealmBase.init(RealmBase.java:1241) at org.apache.catalina.realm.RealmBase.start(RealmBase.java:922) at org.jboss.web.tomcat.security.JBossSecurityMgrRealm.start(JBossSecurityMgrRealm.java:128) at org.apache.catalina.core.StandardPipeline.start(StandardPipeline.java:287) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1131) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:521) at org.apache.catalina.core.StandardService.start(StandardService.java:519) at org.apache.catalina.core.StandardServer.start(StandardServer.java:2345) at org.apache.catalina.startup.Catalina.start(Catalina.java:594) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:503) at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:110) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:480) at org.jboss.web.tomcat.tc5.Tomcat5.startService(Tomcat5.java:184) at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:192) at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:72) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:45) at org.jboss.mx.server.Invocation.invoke(Invocation.java:70) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:187) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:480) at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:825) at $Proxy16.start(Unknown Source) at org.jboss.system.ServiceController.start(ServiceController.java:360) at org.jboss.system.ServiceController.start(ServiceController.java:382) at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:72) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:45) at org.jboss.mx.server.Invocation.invoke(Invocation.java:70) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:187) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:480) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:174) at $Proxy4.start(Unknown Source) at org.jboss.deployment.SARDeployer.start(SARDeployer.java:250) at org.jboss.deployment.MainDeployer.start(MainDeployer.java:833) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:643) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:606) at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:72) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:45) at org.jboss.mx.server.Invocation.invoke(Invocation.java:70) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:187) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:480) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:174) at $Proxy7.deploy(Unknown Source) at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:302) at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:476) at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:201) at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:274) at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:192) at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:72) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:45) at org.jboss.mx.server.Invocation.invoke(Invocation.java:70) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:187) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:480) at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:825) at $Proxy0.start(Unknown Source) at org.jboss.system.ServiceController.start(ServiceController.java:360) at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:72) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:45) at org.jboss.mx.server.Invocation.invoke(Invocation.java:70) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:187) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:480) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:174) at $Proxy4.start(Unknown Source) at org.jboss.deployment.SARDeployer.start(SARDeployer.java:250) at org.jboss.deployment.MainDeployer.start(MainDeployer.java:833) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:643) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:606) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:590) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:72) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:45) at org.jboss.mx.server.Invocation.invoke(Invocation.java:70) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:187) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:480) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:174) at $Proxy5.deploy(Unknown Source) at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:404) at org.jboss.system.server.ServerImpl.start(ServerImpl.java:311) at org.jboss.Main.boot(Main.java:144) at org.jboss.Main$1.run(Main.java:389) at java.lang.Thread.run(Thread.java:536)
It appears the container for the JBossSecurityMgrRealm has not been set when used as a Realm. Does it make sense to add the instance itself as a valve when the JBossSecurityMgrRealm starts up?
Thanks.