Hello,
Today, I found my installation of jenkins hanged.
This was due to the docker plugin. In the log of jenkins, I found this
message:
15 juin 2015 08:32:03 jenkins.InitReactorRunner$1 onTaskFailed
GRAVE: Failed Loading plugin docker-plugin
java.io.IOException: Unable to load
com.nirima.jenkins.plugins.docker.PluginImpl from docker-plugin
at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:422)
at hudson.PluginManager$2$1$1.run(PluginManager.java:370)
at
org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
at jenkins.model.Jenkins$7.runTask(Jenkins.java:904)
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(ThreadPoolExecutor.java:1146)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:701)
Caused by: java.lang.UnsupportedClassVersionError:
com/nirima/jenkins/plugins/docker/PluginImpl : Unsupported major.minor
version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:643)
at
jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1138)
at
hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:799)
at
jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1309)
at
jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1365)
at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1325)
at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1078)
at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:415)
... 9 more
15 juin 2015 08:32:03 hudson.plugins.greenballs.PluginImpl start
INFO: Green Balls!
Does the docker plugin requires java 1.7 ?
Best regards,
YC
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