Hi Team,

I was trying to upgrade the clearcase plugin to 1.3.3 on hudson versions 1.374 & 1.384

It gave following error at startup.

WARNING: Skipping a non-existent field cleartoolExe
com.thoughtworks.xstream.converters.reflection.NonExistentFieldException: No such field hudson.plugins.clearcase.ClearCaseSCM$ClearCaseScmDescriptor.cleartoolExe
at com.thoughtworks.xstream.converters.reflection.FieldDictionary.field(FieldDictionary.java:106)
at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.getFieldType(PureJavaReflectionProvider.java:152)
at hudson.util.RobustReflectionConverter.determineType(RobustReflectionConverter.java:355)
at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:229)
at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:180)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:82)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:63)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:76)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:60)
at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:137)
at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:33)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:926)
at hudson.util.XStream2.unmarshal(XStream2.java:80)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:912)
at hudson.XmlFile.unmarshal(XmlFile.java:148)
at hudson.model.Descriptor.load(Descriptor.java:659)
at hudson.scm.SCMDescriptor.load(SCMDescriptor.java:80)
at hudson.plugins.clearcase.ClearCaseSCM$ClearCaseScmDescriptor.<init>(ClearCaseSCM.java:236)
at hudson.plugins.clearcase.PluginImpl.<clinit>(PluginImpl.java:38)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:272)
at hudson.PluginManager$2$1$1.run(PluginManager.java:275)
at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:146)
at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)
at hudson.model.Hudson$3.runTask(Hudson.java:691)
at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:187)
at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Nov 24, 2010 12:27:34 AM hudson.model.Descriptor load
WARNING: Failed to load /home/builduser/hudson/hudson.plugins.clearcase.ClearCaseSCM.xml
hudson.util.IOException2: Unable to read /home/builduser/hudson/hudson.plugins.clearcase.ClearCaseSCM.xml
at hudson.XmlFile.unmarshal(XmlFile.java:152)
at hudson.model.Descriptor.load(Descriptor.java:659)
at hudson.scm.SCMDescriptor.load(SCMDescriptor.java:80)
at hudson.plugins.clearcase.ClearCaseSCM$ClearCaseScmDescriptor.<init>(ClearCaseSCM.java:236)
at hudson.plugins.clearcase.PluginImpl.<clinit>(PluginImpl.java:38)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:272)
at hudson.PluginManager$2$1$1.run(PluginManager.java:275)
at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:146)
at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)
at hudson.model.Hudson$3.runTask(Hudson.java:691)
at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:187)
at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: com.thoughtworks.xstream.converters.ConversionException: null : null
---- Debugging information ----
cause-exception : java.lang.NullPointerException
cause-message : null
class : hudson.plugins.clearcase.ClearCaseSCM$ClearCaseScmDescriptor
required-type : hudson.plugins.clearcase.ClearCaseSCM$ClearCaseScmDescriptor
path : /hudson.plugins.clearcase.ClearCaseSCM$ClearCaseScmDescriptor
line number : 9
-------------------------------
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:89)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:63)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:76)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:60)
at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:137)
at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:33)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:926)
at hudson.util.XStream2.unmarshal(XStream2.java:80)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:912)
at hudson.XmlFile.unmarshal(XmlFile.java:148)
Caused by: java.lang.NullPointerException
at hudson.diagnosis.OldDataMonitor.report(OldDataMonitor.java:178)
at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:270)
at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:180)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:82)
... 29 more

After the hudson started, It didnt recognize any of the clearcase jobs