Dead! Build Thread

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Dead! Build Thread

gordin
After changing the number of build processors from 3 to 1, "Dead!" was
displayed in the list of build processors. One build was running during that
time. Maybe the error was cause because I changed the option while a job was
running? The queue was empty. I'm using Jenkins ver. 1.399.

Stack trace:
11.03.2011 22:14:21 hudson.ExpressionFactory2$JexlExpression evaluate
WARNUNG: Caught exception evaluating: h.printThrowable(it.causeOfDeath).
Reason: java.lang.NullPointerException
java.lang.NullPointerException
        at hudson.Functions.printThrowable(Functions.java:1012)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
org.apache.commons.jexl.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:258)
        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:72)
        at
org.apache.commons.jelly.impl.ExpressionScript.run(ExpressionScript.java:66)
        at
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
        at
org.apache.commons.jelly.tags.core.OtherwiseTag.doTag(OtherwiseTag.java:41)
        at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
        at
org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
        at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
        at
org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:98)
        at
org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
        at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at
org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at
org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
        at
org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:119)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at
org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:98)
        at
org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
        at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at
org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
        at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
        at
org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
        at
org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:119)
        at
org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
        at
org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:63)
        at
org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:63)
        at
org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:53)
        at org.kohsuke.stapler.jelly.JellyFacet$1.dispatch(JellyFacet.java:90)
        at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:562)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:640)
        at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:302)
        at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:562)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:640)
        at org.kohsuke.stapler.MetaClass$5.doDispatch(MetaClass.java:204)
        at
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
        at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:562)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:640)
        at org.kohsuke.stapler.MetaClass$13.dispatch(MetaClass.java:382)
        at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:562)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:640)
        at org.kohsuke.stapler.MetaClass$5.doDispatch(MetaClass.java:204)
        at
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
        at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:562)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:640)
        at org.kohsuke.stapler.Stapler.invoke(Stapler.java:478)
        at org.kohsuke.stapler.Stapler.service(Stapler.java:160)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
        at winstone.ServletConfiguration.execute(ServletConfiguration.java:249)
        at winstone.RequestDispatcher.forward(RequestDispatcher.java:335)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:378)
        at
hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)
        at
net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:157)
        at
net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:131)
        at
net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:82)
        at
org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:69)
        at
hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)
        at
hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:52)
        at
hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)
        at
hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
        at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
        at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
        at
hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
        at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
        at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at
org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
        at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at
org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
        at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at
org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
        at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at
org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)
        at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at
org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
        at
hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:66)
        at
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
        at
hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
        at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
        at
hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
        at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
        at
winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:244)
        at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
        at java.lang.Thread.run(Unknown Source)
--
Christoph