Unable to migrate jenkins 1.5xx to different server

[Alok Kumar Singh]

I am trying to migrate jenkins from one machine to another machine by copying the complete jenkins folder. It works fine for 1.6xx but it is not working for any of the 1.5xx version. 

Error I can see on the jenkins page :

 Error

org.jvnet.hudson.reactor.ReactorException: hudson.util.IOException2: Unable to read /var/lib/jenkins/config.xml
	at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:246)
	at jenkins.InitReactorRunner.run(InitReactorRunner.java:43)
	at jenkins.model.Jenkins.executeReactor(Jenkins.java:904)
	at jenkins.model.Jenkins.<init>(Jenkins.java:804)
	at hudson.model.Hudson.<init>(Hudson.java:81)
	at hudson.model.Hudson.<init>(Hudson.java:77)
	at hudson.WebAppMain$2.run(WebAppMain.java:214)
Caused by: hudson.util.IOException2: Unable to read /var/lib/jenkins/config.xml
	at hudson.XmlFile.unmarshal(XmlFile.java:170)
	at jenkins.model.Jenkins$16.run(Jenkins.java:2515)
	at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:146)
	at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)
	at jenkins.model.Jenkins$7.runTask(Jenkins.java:893)
	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.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: com.thoughtworks.xstream.converters.ConversionException: Invalid reference
---- Debugging information ----
reference           : ../../../hudson.plugins.nested__view.NestedView/views/listView[4]/jobNames/comparator
class               : java.util.TreeSet
required-type       : java.util.TreeSet
converter-type      : com.thoughtworks.xstream.converters.collections.TreeSetConverter
path                : /hudson/views/listView[3]/jobNames/comparator
line number         : 610
class[1]            : hudson.model.ListView
converter-type[1]   : hudson.util.RobustReflectionConverter
class[2]            : java.util.concurrent.CopyOnWriteArrayList
converter-type[2]   : hudson.util.RobustCollectionConverter
class[3]            : hudson.model.Hudson
version             : null
-------------------------------
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:57)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.converters.collections.TreeMapConverter.unmarshalComparator(TreeMapConverter.java:115)
	at com.thoughtworks.xstream.converters.collections.TreeSetConverter.unmarshal(TreeSetConverter.java:86)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:333)
	at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:275)
	at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:222)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:71)
	at hudson.util.RobustCollectionConverter.populateCollection(RobustCollectionConverter.java:85)
	at com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(CollectionConverter.java:61)
	at hudson.util.RobustCollectionConverter.unmarshal(RobustCollectionConverter.java:76)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:333)
	at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:275)
	at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:222)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
	at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1061)
	at hudson.util.XStream2.unmarshal(XStream2.java:109)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1045)
	at hudson.XmlFile.unmarshal(XmlFile.java:166) 

... 9 more

java version on the machine is  

java version "1.7.0_111" . Please suggest.

[Subramanya Avadhani]

I would see 2 potential issues,

1) Either the Config.xml is corrupt while copying 

2) The user with which yo are copying these folders across has not provided access to Jenkins user for the xml

This is based on the first look at the error log, I would suggest to try these options first.

Thanks,

Subbu

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[Alok Kumar Singh]

Looks like it is more of a problem with view jobs