Error org.xmlpull.v1.XmlPullParserException: only 1.0 is supported as (XppReader.java:63) at com.thoughtworks.xstream.io.xml.AbstractXppDriver.createReader(AbstractXppDriver.java:54) at com.thoughtworks.xstream.io.xml.AbstractXppDriver.createReader(AbstractXppDriver.java:65) at hudson.XmlFile.unmarshal(XmlFile.java:179) Caused: java.io.IOException: Unable to read C:\Program Files (x86)\Jenkins\config.xml at hudson.XmlFile.unmarshal(XmlFile.java:182) at hudson.XmlFile.unmarshal(XmlFile.java:162) at jenkins.model.Jenkins.loadConfig(Jenkins.java:3031) at jenkins.model.Jenkins.access$1200(Jenkins.java:303) at jenkins.model.Jenkins$14.run(Jenkins.java:3049) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282) at jenkins.model.Jenkins$5.runTask(Jenkins.java:1068) 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: org.jvnet.hudson.reactor.ReactorException at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:269) at jenkins.InitReactorRunner.run(InitReactorRunner.java:48) at jenkins.model.Jenkins.executeReactor(Jenkins.java:1102) at jenkins.model.Jenkins.(Jenkins.java:904) at hudson.model.Hudson.(Hudson.java:85) at hudson.model.Hudson.(Hudson.java:81) at hudson.WebAppMain$3.run(WebAppMain.java:233) Caused: hudson.util.HudsonFailedToLoad at hudson.WebAppMain$3.run(WebAppMain.java:250)