java.lang.NullPointerException

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  • When starting Hudson CI via "java -jar hudson.war --httpPort=8008" I find the following in the log file: Mar 10, 2010 8:38:06 AM hudson.triggers.SafeTimerTask run SEVERE: Timer task hudson.WebAppMain$2$1@214d8c01 failed java.lang.NullPointerException at hudson.util.XStream2$AssociatedConverterImpl.findConverter(XStream2.java:152) at hudson.util.XStream2$AssociatedConverterImpl.canConvert(XStream2.java:198) at com.thoughtworks.xstream.core.DefaultConverterLookup.lookupConverterForType(DefaultConverterLookup.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:60) at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:137) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:33) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:926) at hudson.util.XStream2.unmarshal(XStream2.java:76) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:912) at com.thoughtworks.xstream.XStream.fromXML(XStream.java:864) at hudson.plugins.filesystem_scm.ChangelogSet$XMLSerializer.parse(ChangelogSet.java:92) at hudson.plugins.filesystem_scm.ChangelogSet$XMLSerializer.parse(ChangelogSet.java:72) at hudson.model.AbstractBuild.calcChangeSet(AbstractBuild.java:652) at hudson.model.AbstractBuild.getChangeSet(AbstractBuild.java:627) at hudson.model.AbstractBuild.hasParticipant(AbstractBuild.java:315) at hudson.model.User.getBuilds(User.java:366) at hudson.WebAppMain$2$1.doRun(WebAppMain.java:231) at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:54) at java.util.TimerThread.mainLoop(Timer.java:512) at java.util.TimerThread.run(Timer.java:462)
    via by tk694h,
  • When starting Hudson CI via "java -jar hudson.war --httpPort=8008" I find the following in the log file: Mar 10, 2010 8:38:06 AM hudson.triggers.SafeTimerTask run SEVERE: Timer task hudson.WebAppMain$2$1@214d8c01 failed java.lang.NullPointerException at hudson.util.XStream2$AssociatedConverterImpl.findConverter(XStream2.java:152) at hudson.util.XStream2$AssociatedConverterImpl.canConvert(XStream2.java:198) at com.thoughtworks.xstream.core.DefaultConverterLookup.lookupConverterForType(DefaultConverterLookup.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:60) at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:137) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:33) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:926) at hudson.util.XStream2.unmarshal(XStream2.java:76) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:912) at com.thoughtworks.xstream.XStream.fromXML(XStream.java:864) at hudson.plugins.filesystem_scm.ChangelogSet$XMLSerializer.parse(ChangelogSet.java:92) at hudson.plugins.filesystem_scm.ChangelogSet$XMLSerializer.parse(ChangelogSet.java:72) at hudson.model.AbstractBuild.calcChangeSet(AbstractBuild.java:652) at hudson.model.AbstractBuild.getChangeSet(AbstractBuild.java:627) at hudson.model.AbstractBuild.hasParticipant(AbstractBuild.java:315) at hudson.model.User.getBuilds(User.java:366) at hudson.WebAppMain$2$1.doRun(WebAppMain.java:231) at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:54) at java.util.TimerThread.mainLoop(Timer.java:512) at java.util.TimerThread.run(Timer.java:462)
    via by tk694h,
    • java.lang.NullPointerException at hudson.util.XStream2$AssociatedConverterImpl.findConverter(XStream2.java:152) at hudson.util.XStream2$AssociatedConverterImpl.canConvert(XStream2.java:198) at com.thoughtworks.xstream.core.DefaultConverterLookup.lookupConverterForType(DefaultConverterLookup.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:60) at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:137) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:33) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:926) at hudson.util.XStream2.unmarshal(XStream2.java:76) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:912) at com.thoughtworks.xstream.XStream.fromXML(XStream.java:864) at hudson.plugins.filesystem_scm.ChangelogSet$XMLSerializer.parse(ChangelogSet.java:92) at hudson.plugins.filesystem_scm.ChangelogSet$XMLSerializer.parse(ChangelogSet.java:72) at hudson.model.AbstractBuild.calcChangeSet(AbstractBuild.java:652) at hudson.model.AbstractBuild.getChangeSet(AbstractBuild.java:627) at hudson.model.AbstractBuild.hasParticipant(AbstractBuild.java:315) at hudson.model.User.getBuilds(User.java:366) at hudson.WebAppMain$2$1.doRun(WebAppMain.java:231) at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:54) at java.util.TimerThread.mainLoop(Timer.java:512) at java.util.TimerThread.run(Timer.java:462)
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