New Hudson instance (Jetty 5.1.10 on Ubuntu 7). Checked "Enable Security" and
opted to use built-in Hudson user management. Then clicked on "Sign-up" and
completed the form. After signing up you are given a link to go back to the
"top page". Clicking on this link results in the following exception:

WARNING: Caught exception evaluating: h.hasPermission(attrs.permission).
Reason: java.lang.NullPointerException
java.lang.NullPointerException
at
hudson.security.HudsonPrivateSecurityRealm$Details.getUsername(HudsonPrivateSecurityRealm.java:147)
at org.acegisecurity.acls.sid.PrincipalSid.<init>(PrincipalSid.java:50)
at hudson.security.SidACL._hasPermission(SidACL.java:33)
at hudson.security.SparseACL.hasPermission(SparseACL.java:47)
at hudson.security.ACL.hasPermission(ACL.java:38)
at hudson.Functions.hasPermission(Functions.java:428)
at sun.reflect.GeneratedMethodAccessor33.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.commons.jexl.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:259)
at org.apache.commons.jexl.parser.ASTMethod.execute(ASTMethod.java:104)
at
org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:83)
at
org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:57)
at
org.apache.commons.jexl.parser.ASTReferenceExpression.value(ASTReferenceExpression.java:51)
at
org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:80)
at
hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.java:71)
at
org.apache.commons.jelly.expression.ExpressionSupport.evaluateRecurse(ExpressionSupport.java:61)
at
org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsBoolean(ExpressionSupport.java:71)
at org.apache.commons.jelly.tags.core.IfTag.doTag(IfTag.java:41)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.tags.core.JellyTag.doTag(JellyTag.java:45)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.DynamicTag.doTag(DynamicTag.java:80)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at
org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.impl.StaticTag.doTag(StaticTag.java:65)
at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:112)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.tags.core.JellyTag.doTag(JellyTag.java:45)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.DynamicTag.doTag(DynamicTag.java:80)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at
org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.tags.core.IfTag.doTag(IfTag.java:42)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.tags.core.JellyTag.doTag(JellyTag.java:45)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.DynamicTag.doTag(DynamicTag.java:80)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.tags.core.JellyTag.doTag(JellyTag.java:45)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:84)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at
org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.impl.StaticTag.doTag(StaticTag.java:65)
at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:112)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.impl.StaticTag.doTag(StaticTag.java:65)
at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:112)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.impl.StaticTag.doTag(StaticTag.java:65)
at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:112)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.impl.StaticTag.doTag(StaticTag.java:65)
at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:112)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.impl.StaticTag.doTag(StaticTag.java:65)
at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:112)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.impl.StaticTag.doTag(StaticTag.java:65)
at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:112)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.tags.core.JellyTag.doTag(JellyTag.java:45)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.DynamicTag.doTag(DynamicTag.java:80)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
at org.apache.commons.jelly.tags.core.JellyTag.doTag(JellyTag.java:45)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
at
org.kohsuke.stapler.jelly.JellyClassTearOff.invokeScript(JellyClassTearOff.java:78)
at
org.kohsuke.stapler.jelly.JellyRequestDispatcher.forward(JellyRequestDispatcher.java:29)
at
hudson.security.HudsonPrivateSecurityRealm.doCreateAccount(HudsonPrivateSecurityRealm.java:95)
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:597)
at
org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:103)
at org.kohsuke.stapler.Function.bindAndinvoke(Function.java:59)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:63)
at
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:298)
at org.kohsuke.stapler.MetaClass$7.doDispatch(MetaClass.java:208)
at
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:298)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:235)
at org.kohsuke.stapler.Stapler.service(Stapler.java:81)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428)
at
org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:830)
at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:52)
at
hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:28)
at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
at
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
at
org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
at
org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
at
org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)
at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
at
org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
at
hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:44)
at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:72)
at
org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:821)
at
org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:471)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1530)
at
org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:633)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1482)
at org.mortbay.http.HttpServer.service(HttpServer.java:909)
at org.mortbay.http.HttpConnection.service(HttpConnection.java:816)
at
org.mortbay.http.ajp.AJP13Connection.handleNext(AJP13Connection.java:291)
at org.mortbay.http.HttpConnection.handle(HttpConnection.java:833)
at
org.mortbay.http.ajp.AJP13Listener.handleConnection(AJP13Listener.java:212)
at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)
at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)