Downgrading to 1.555 from 1.616 is a lot of effort and requires quite a bit of Jenkins knowledge due to changed data formats between these versions, plugins detached from core, etc.
Your best bet is to restore from backup. On 11.06.2015, at 15:20, Paul Wilkins <wilkinspau...@gmail.com> wrote: > I was required to upgrade our jenkins install to the latest. Once this was > done I encountered some unexpected issues which forced me to want to restore > back to 1.555. > > This is all running on a windows server 2012 running using Java 7 although > there is an folder for jre1.8.0_45. This is an old system I inherited so I > am bit vague on details. > > I hit the Restore to v1.555 button and all seemed ok. Once I restarted the > machine and opened Jenkins I get the following message. > > If there are anymore details that might help solve this issue please let me > know. Thank you. > > > hudson.util.HudsonFailedToLoad: org.jvnet.hudson.reactor.ReactorException: > java.io.IOException: Unable to read D:\Jenkins\config.xml > at hudson.WebAppMain$3.run(WebAppMain.java:234) > Caused by: org.jvnet.hudson.reactor.ReactorException: java.io.IOException: > Unable to read D:\Jenkins\config.xml > at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:269) > at jenkins.InitReactorRunner.run(InitReactorRunner.java:44) > at jenkins.model.Jenkins.executeReactor(Jenkins.java:910) > at jenkins.model.Jenkins.<init>(Jenkins.java:809) > at hudson.model.Hudson.<init>(Hudson.java:82) > at hudson.model.Hudson.<init>(Hudson.java:78) > at hudson.WebAppMain$3.run(WebAppMain.java:222) > Caused by: java.io.IOException: Unable to read D:\Jenkins\config.xml > at hudson.XmlFile.unmarshal(XmlFile.java:165) > at jenkins.model.Jenkins$17.run(Jenkins.java:2561) > at > org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) > at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282) > at jenkins.model.Jenkins$7.runTask(Jenkins.java:899) > at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210) > at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) > at java.util.concurrent.ThreadPoolExecutor.runWorker(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: -1 : -1 > ---- Debugging information ---- > message : -1 > cause-exception : java.lang.ArrayIndexOutOfBoundsException > cause-message : -1 > class : hudson.model.Hudson > required-type : hudson.model.Hudson > converter-type : hudson.util.RobustReflectionConverter > path : /hudson/disabledAdministrativeMonitors > line number : 3 > version : not available > ------------------------------- > at > com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:79) > 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:113) > at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1045) > at hudson.XmlFile.unmarshal(XmlFile.java:163) > ... 9 more > Caused by: java.lang.ArrayIndexOutOfBoundsException: -1 > at > com.thoughtworks.xstream.core.util.OrderRetainingMap.entrySet(OrderRetainingMap.java:77) > at java.util.HashMap.putMapEntries(Unknown Source) > at java.util.HashMap.putAll(Unknown Source) > at > com.thoughtworks.xstream.core.util.OrderRetainingMap.<init>(OrderRetainingMap.java:36) > at > com.thoughtworks.xstream.converters.reflection.FieldDictionary.buildMap(FieldDictionary.java:135) > at > com.thoughtworks.xstream.converters.reflection.FieldDictionary.fieldOrNull(FieldDictionary.java:113) > at > com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.getFieldOrNull(PureJavaReflectionProvider.java:186) > at > hudson.util.RobustReflectionConverter.fieldDefinedInClass(RobustReflectionConverter.java:344) > at > hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:283) > at > hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:228) > at > com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72) > ... 18 more > > > -- > You received this message because you are subscribed to the Google Groups > "Jenkins Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to jenkinsci-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jenkinsci-users/50a30e5b-2d1b-494a-a13b-0a3fc0bb5b62%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. 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