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Bug
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Resolution: Won't Fix
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Blocker
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None
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Windows, Jenkins 2.426.2; Plugin: 477.v339683a_8d55e
Suddenly it does not work. the proceed/abort option is going nowhere when users click on it and the pipeline is hanging.
NOTE: Jenkins have been upgraded recently, as a result "Input Step" Plug in deleted. we reinstalled later but that did not help either.
java.lang.NoSuchMethodError: org.yaml.snakeyaml.constructor.SafeConstructor: method <init>()V not found at ua_parser.Parser.initialize(Parser.java:80) at ua_parser.Parser.<init>(Parser.java:45) at io.jenkins.blueocean.service.embedded.analytics.BrowserAndOperatingSystemAnalyticsProperties.<clinit>(BrowserAndOperatingSystemAnalyticsProperties.java:19) at java.base/java.lang.Class.forName0(Native Method) at java.base/java.lang.Class.forName(Class.java:398) at hudson.ExtensionFinder$Sezpoz.scout(ExtensionFinder.java:772) at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:338) at hudson.ExtensionList.load(ExtensionList.java:384) at hudson.ExtensionList.ensureLoaded(ExtensionList.java:320) at hudson.ExtensionList.getComponents(ExtensionList.java:184) at jenkins.model.Jenkins$6.onInitMilestoneAttained(Jenkins.java:1202) at jenkins.InitReactorRunner$1.onAttained(InitReactorRunner.java:88) at org.jvnet.hudson.reactor.ReactorListener$Aggregator.lambda$onAttained$3(ReactorListener.java:108) at org.jvnet.hudson.reactor.ReactorListener$Aggregator.run(ReactorListener.java:116) at org.jvnet.hudson.reactor.ReactorListener$Aggregator.onAttained(ReactorListener.java:108) at org.jvnet.hudson.reactor.Reactor$1.run(Reactor.java:182) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:120) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834)
The message indicates that you need to upgrade your plugins because one of the plugins is referring to an older version of the SnakeYAML API plugin but you have installed a newer version of the SnakeYAML API plugin.
If upgrading the plugins does not resolve the issue, then please reopen the issue and provide the complete list of plugins and their versions. "How to report an issue" includes a script that will provide the complete list of plugins and their versions.