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If you downgrade from a recent version of ec2-plugin with the security fixes: 1.50.2 or 1.49.2 or 1.46.3 to the previous installed version after you disabled the Administrative Monitor which show the message about weak strategies used (clicking on *_Dismiss these messages_*): !Screenshot from 2020-05-10 12-45-00.png|thumbnail!
the previous ec2-plugin version doesn't initialize correctly and the *_cloud configuration is lost_*. The nodes configurations are still there, but they cannot be used as the plugin didn't start.
!Screenshot from 2020-05-10 13-17-57.png|thumbnail!
The log printed out: {code:java} 2020-05-10 11:12:03.789+0000 [id=33] INFO jenkins.InitReactorRunner$1#onAttained: Listed all plugins 2020-05-10 11:12:04.301+0000 [id=30] SEVERE jenkins.InitReactorRunner$1#onTaskFailed: Failed Loading plugin Amazon EC2 plugin v1.49.1 (ec2) java.lang.IllegalStateException: Expected 1 instance of hudson.diagnosis.OldDataMonitor but got 0 at hudson.ExtensionList.lookupSingleton(ExtensionList.java:451) at hudson.diagnosis.OldDataMonitor.get(OldDataMonitor.java:91) at hudson.diagnosis.OldDataMonitor.report(OldDataMonitor.java:223) at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:368) at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:267) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72) Caused: com.thoughtworks.xstream.converters.ConversionException: Expected 1 instance of hudson.diagnosis.OldDataMonitor but got 0 : Expected 1 instance of hudson.diagnosis.OldDataMonitor but got 0 ---- Debugging information ---- message : Expected 1 instance of hudson.diagnosis.OldDataMonitor but got 0 cause-exception : java.lang.IllegalStateException cause-message : Expected 1 instance of hudson.diagnosis.OldDataMonitor but got 0 class : hudson.plugins.ec2.PluginImpl required-type : hudson.plugins.ec2.PluginImpl converter-type : hudson.util.RobustReflectionConverter path : /hudson.plugins.ec2.PluginImpl line number : 4 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:1189) at hudson.util.XStream2.unmarshal(XStream2.java:161) at hudson.util.XStream2.unmarshal(XStream2.java:132) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1173) at hudson.XmlFile.unmarshal(XmlFile.java:180) Caused: java.io.IOException: Unable to read /home/rleon/develop/projects/ec2-plugin/jenkins-home-of-jenkins-2.235.war(8080)/ec2.xml at hudson.XmlFile.unmarshal(XmlFile.java:183) at hudson.XmlFile.unmarshal(XmlFile.java:163) at hudson.Plugin.load(Plugin.java:270) at hudson.plugins.ec2.PluginImpl.start(PluginImpl.java:46) at hudson.ClassicPluginStrategy.startPlugin(ClassicPluginStrategy.java:403) at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:392) Caused: java.io.IOException: Failed to initialize at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:395) at hudson.PluginManager$2$1$1.run(PluginManager.java:549) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296) at jenkins.model.Jenkins$5.runTask(Jenkins.java:1131) at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2020-05-10 11:12:06.202+0000 [id=30] INFO jenkins.InitReactorRunner$1#onAttained: Prepared all plugins 2020-05-10 11:12:06.207+0000 [id=36] INFO jenkins.InitReactorRunner$1#onAttained: Started all plugins 2020-05-10 11:12:06.209+0000 [id=41] INFO jenkins.InitReactorRunner$1#onAttained: Augmented all extensions 2020-05-10 11:12:06.660+0000 [id=41] WARNING jenkins.model.Nodes#load: could not load /home/rleon/develop/projects/ec2-plugin/jenkins-home-of-jenkins-2.235.war(8080)/nodes/EC2 (ec2) - linux (i-077e7393c9fb5fea5)-BACKUP com.thoughtworks.xstream.mapper.CannotResolveClassException: hudson.plugins.ec2.EC2OndemandSlave at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:79) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:55) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:79) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:74) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.SecurityMapper.realClass(SecurityMapper.java:71) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at hudson.util.XStream2$CompatibilityMapper.realClass(XStream2.java:379) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at hudson.util.xstream.MapperDelegate.realClass(MapperDelegate.java:43) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:48) at com.thoughtworks.xstream.core.util.HierarchicalStreams.readClassType(HierarchicalStreams.java:29) at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:133) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1189) at hudson.util.XStream2.unmarshal(XStream2.java:161) at hudson.util.XStream2.unmarshal(XStream2.java:132) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1173) at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1053) at hudson.XmlFile.read(XmlFile.java:149) Caused: java.io.IOException: Unable to read /home/rleon/develop/projects/ec2-plugin/jenkins-home-of-jenkins-2.235.war(8080)/nodes/EC2 (ec2) - linux (i-077e7393c9fb5fea5)-BACKUP/config.xml at hudson.XmlFile.read(XmlFile.java:151) at jenkins.model.Nodes.load(Nodes.java:338) at jenkins.model.Jenkins$13.run(Jenkins.java:3254) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296) at jenkins.model.Jenkins$5.runTask(Jenkins.java:1131) at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2020-05-10 11:12:06.661+0000 [id=41] WARNING jenkins.model.Nodes#load: could not load /home/rleon/develop/projects/ec2-plugin/jenkins-home-of-jenkins-2.235.war(8080)/nodes/EC2 (ec2) - linux (i-077e7393c9fb5fea5) com.thoughtworks.xstream.mapper.CannotResolveClassException: hudson.plugins.ec2.EC2OndemandSlave at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:79) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:55) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:79) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:74) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.SecurityMapper.realClass(SecurityMapper.java:71) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at hudson.util.XStream2$CompatibilityMapper.realClass(XStream2.java:379) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at hudson.util.xstream.MapperDelegate.realClass(MapperDelegate.java:43) at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:48) at com.thoughtworks.xstream.core.util.HierarchicalStreams.readClassType(HierarchicalStreams.java:29) at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:133) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1189) at hudson.util.XStream2.unmarshal(XStream2.java:161) at hudson.util.XStream2.unmarshal(XStream2.java:132) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1173) at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1053) at hudson.XmlFile.read(XmlFile.java:149) Caused: java.io.IOException: Unable to read /home/rleon/develop/projects/ec2-plugin/jenkins-home-of-jenkins-2.235.war(8080)/nodes/EC2 (ec2) - linux (i-077e7393c9fb5fea5)/config.xml at hudson.XmlFile.read(XmlFile.java:151) at jenkins.model.Nodes.load(Nodes.java:338) at jenkins.model.Jenkins$13.run(Jenkins.java:3254) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296) at jenkins.model.Jenkins$5.runTask(Jenkins.java:1131) at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2020-05-10 11:12:06.672+0000 [id=38] INFO jenkins.InitReactorRunner$1#onAttained: System config loaded
{code}
If you remove the JENKINS_HOME/*_ec2.xml_* file created when you dismissed the specific messages, Jenkins will start correctly. But if you start it before doing this, your cloud configuration will go away.
* h3. Steps to Reproduce : ** Start Jenkins 2.235 * Install ec2-plugin 1.49.1 or any other version without the security fixes (! 1.50.2, 1.49.2, 1.46.3) * Configure some cloud and template * Update ec2-plugin to 1.50.2 * Click on *_Dismiss these messages_* of the Administrative Monitor. The ec2.xml file is created. * Downgrade ec2-plugin to the previous one via pluginManager. Or any other way I believe (although not tested) * Restart Jenkins * Jenkins starts, the commented warning is printed in the log, the cloud configuration is not there. * If you now delete the ec2.xml file, it's too late. |
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