After clicking the shelve project button on a job, I get the exception below, and Hudson return's a HTTP 500 until it is restarted.

I am using Hudson ver. 1.383
and have tried this wil Shelve Project Plugin version 0.3 and 1.0

Exception:

[Winstone 2010/11/05 11:00:33] - Untrapped Error in Servlet

javax.servlet.ServletException: org.apache.commons.jelly.JellyTagException: jar:file:/home/cruise/webroot/WEB-INF/lib/hudson-core-1.383.jar!/lib/hudson/executors.jelly:75:83: <j:when> org.jvnet.hudson.plugins.shelveproject.ShelveProjectExecutable.getEstimatedDuration()J

at org.kohsuke.stapler.jelly.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:77)

at org.kohsuke.stapler.jelly.JellyFacet.handleIndexRequest(JellyFacet.java:114)

at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:551)

at org.kohsuke.stapler.Stapler.invoke(Stapler.java:640)

at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:606)

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 hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:51)

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 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(Thread.java:595)

Caused by: org.apache.commons.jelly.JellyTagException: jar:file:/home/cruise/webroot/WEB-INF/lib/hudson-core-1.383.jar!/lib/hudson/executors.jelly:75:83: <j:when> org.jvnet.hudson.plugins.shelveproject.ShelveProjectExecutable.getEstimatedDuration()J

at org.apache.commons.jelly.impl.TagScript.handleException(TagScript.java:728)

at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:290)

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.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.TagSupport.invokeBody(TagSupport.java:161)

at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:121)

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.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.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.DynamicTag.doTag(DynamicTag.java:81)

at org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:121)

at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)

at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)

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.ForEachTag.doTag(ForEachTag.java:150)

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.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.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.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.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)

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.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.IncludeTag.doTag(IncludeTag.java:146)

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.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.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.impl.ScriptBlock.run(ScriptBlock.java:95)

at org.kohsuke.stapler.jelly.CompressTag.doTag(CompressTag.java:44)

at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)

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.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:72)

... 44 more

Caused by: java.lang.AbstractMethodError: org.jvnet.hudson.plugins.shelveproject.ShelveProjectExecutable.getEstimatedDuration()J

at hudson.model.Executor.isLikelyStuck(Executor.java:293)

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:585)

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.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:58)

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.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)

at org.apache.commons.jelly.tags.core.WhenTag.doTag(WhenTag.java:46)

at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)

... 122 more