I was getting a 505 server error when trying to view failed builds using version 343. The job was a maven2 multi-module, but I don't believe that's relevant.

This issue was resolved by downgrading to v342.

[Winstone 2010/02/03 15:19:25] - Untrapped Error in Servlet
javax.servlet.ServletException: org.apache.commons.jelly.JellyTagException: jar:file:/opt/hudson/war/WEB-INF/lib/hudson-core-1.343.jar!/hudson/tasks/test/AbstractTestResultA
ction/summary.jelly:49:53: <j:while> hudson.tasks.junit.CaseResult.getRelativePathFrom(Lhudson/tasks/junit/TestObject;)Ljava/lang/String;
at org.kohsuke.stapler.jelly.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:48)
at org.kohsuke.stapler.jelly.JellyFacet.handleIndexRequest(JellyFacet.java:83)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:508)
at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:318)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:519)
at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:180)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:519)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:435)
at org.kohsuke.stapler.Stapler.service(Stapler.java:123)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
...
Caused by: java.lang.NoSuchMethodError: hudson.tasks.junit.CaseResult.getRelativePathFrom(Lhudson/tasks/junit/TestObject;)Ljava/lang/String;
at hudson.maven.reporters.SurefireAggregatedReport.getTestResultPath(SurefireAggregatedReport.java:93)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.commons.jexl.util.introspection.UberspectImpl$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.StaticTagScript.run(StaticTagScript.java:99)
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.WhileTag.doTag(WhileTag.java:62)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:263)