[jenkins] Unable to read config.xml

Jenkins 재시작 후 아래와 같은 에러 발생시, Java8이 아닌지 확인한다.

모든 문제의 해결이 아닐 수 있지만, Java8에서는 Jenkins 일부 버전은 작동이 되지 않는다. Java8에서 Java7으로 바꾸니. 동작했다. 

hudson.util.HudsonFailedToLoad: org.jvnet.hudson.reactor.ReactorException: java.io.IOException: Unable to read /home/www/.jenkins/config.xml

at hudson.WebAppMain$3.run(WebAppMain.java:234)

Caused by: org.jvnet.hudson.reactor.ReactorException: java.io.IOException: Unable to read /home/www/.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 /home/www/.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