Hi there, I've just updated to Jenkins 1.480 (from 1.465) and one of my projects went missing. I recreated it but now when I tell it to build I get:
*11:39:30* FATAL: html : html*11:39:30* com.thoughtworks.xstream.mapper.CannotResolveClassException <http://stacktrace.jenkins-ci.org/search?query=com.thoughtworks.xstream.mapper.CannotResolveClassException>: html : html*11:39:30* at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:68) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.DefaultMapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:71) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:86) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:96) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.ArrayMapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at hudson.util.XStream2$CompatibilityMapper.realClass(XStream2.java:215) <http://stacktrace.jenkins-ci.org/search/?query=hudson.util.XStream2$CompatibilityMapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at hudson.util.xstream.MapperDelegate.realClass(MapperDelegate.java:43) <http://stacktrace.jenkins-ci.org/search/?query=hudson.util.xstream.MapperDelegate.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.MapperWrapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:56) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.mapper.CachingMapper.realClass&entity=method>*11:39:30* at com.thoughtworks.xstream.core.util.HierarchicalStreams.readClassType(HierarchicalStreams.java:29) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.core.util.HierarchicalStreams.readClassType&entity=method>*11:39:30* at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:136) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.core.TreeUnmarshaller.start&entity=method>*11:39:30* at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:33) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal&entity=method>*11:39:30* at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:926) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.XStream.unmarshal&entity=method>*11:39:30* at hudson.util.XStream2.unmarshal(XStream2.java:93) <http://stacktrace.jenkins-ci.org/search/?query=hudson.util.XStream2.unmarshal&entity=method>*11:39:30* at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:912) <http://stacktrace.jenkins-ci.org/search/?query=com.thoughtworks.xstream.XStream.unmarshal&entity=method>*11:39:30* at hudson.XmlFile.unmarshal(XmlFile.java:160) <http://stacktrace.jenkins-ci.org/search/?query=hudson.XmlFile.unmarshal&entity=method>*11:39:30* at hudson.model.Run.reload(Run.java:291) <http://stacktrace.jenkins-ci.org/search/?query=hudson.model.Run.reload&entity=method>*11:39:30* at hudson.model.Run.<init>(Run.java:280) <http://stacktrace.jenkins-ci.org/search/?query=hudson.model.Run.%3Cinit%3E&entity=method>*11:39:30* at hudson.model.AbstractBuild.<init>(AbstractBuild.java:166) <http://stacktrace.jenkins-ci.org/search/?query=hudson.model.AbstractBuild.%3Cinit%3E&entity=method>*11:39:30* at hudson.model.Build.<init>(Build.java:103) <http://stacktrace.jenkins-ci.org/search/?query=hudson.model.Build.%3Cinit%3E&entity=method>*11:39:30* at hudson.matrix.MatrixRun.<init>(MatrixRun.java:58) <http://stacktrace.jenkins-ci.org/search/?query=hudson.matrix.MatrixRun.%3Cinit%3E&entity=method>*11:39:30* at sun.reflect.GeneratedConstructorAccessor166.newInstance(Unknown Source)*11:39:30* at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)*11:39:30* at java.lang.reflect.Constructor.newInstance(Unknown Source)*11:39:30* at hudson.model.AbstractProject.loadBuild(AbstractProject.java:1009)*11:39:30* at hudson.model.AbstractProject$1.create(AbstractProject.java:276)*11:39:30* at hudson.model.AbstractProject$1.create(AbstractProject.java:274)*11:39:30* at hudson.model.RunMap.load(RunMap.java:247)*11:39:30* at hudson.model.AbstractProject.onLoad(AbstractProject.java:274)*11:39:30* at hudson.model.Project.onLoad(Project.java:88)*11:39:30* at hudson.matrix.MatrixConfiguration.onLoad(MatrixConfiguration.java:83)*11:39:30* at hudson.matrix.MatrixProject.loadConfigurations(MatrixProject.java:541)*11:39:30* at hudson.matrix.MatrixProject.loadConfigurations(MatrixProject.java:548)*11:39:30* at hudson.matrix.MatrixProject.rebuildConfigurations(MatrixProject.java:585)*11:39:30* at hudson.matrix.MatrixBuild$MatrixBuildExecution.doRun(MatrixBuild.java:330)*11:39:30* at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:499)*11:39:30* at hudson.model.Run.execute(Run.java:1502)*11:39:30* at hudson.matrix.MatrixBuild.run(MatrixBuild.java:289)*11:39:30* at hudson.model.ResourceController.execute(ResourceController.java:88)*11:39:30* at hudson.model.Executor.run(Executor.java:236)*11:39:30* at hudson.model.OneOffExecutor.run(OneOffExecutor.java:66) Any ideas what the problem is? The closest issue I can find that matches that callstack is https://issues.jenkins-ci.org/browse/JENKINS-11706 but that's nearly a year old. Cheers, Tom.
