java - 更新几个jenkins插件后服务无法工作

Question

Jenkins 请求更新几个插件，我更新了它们，但是当我重新启动它时，出现以下错误:

java.lang.NullPointerException
    at hudson.plugins.sonar.GlobalCredentialMigrator.lambda$migrate$0(GlobalCredentialMigrator.java:56)
    at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174)
    at java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1359)
    at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126)
    at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:499)
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:486)
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
    at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152)
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
    at java.util.stream.ReferencePipeline.findAny(ReferencePipeline.java:469)
    at hudson.plugins.sonar.GlobalCredentialMigrator.migrate(GlobalCredentialMigrator.java:57)
    at hudson.plugins.sonar.SonarInstallation.migrateTokenToCredential(SonarInstallation.java:250)
    at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
    at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)
    at hudson.plugins.sonar.SonarGlobalConfiguration.migrateCredentials(SonarGlobalConfiguration.java:122)
Caused: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:104)
Caused: java.lang.Error
    at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:110)
    at hudson.init.TaskMethodFinder$TaskImpl.run(TaskMethodFinder.java:175)
    at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296)
    at jenkins.model.Jenkins$5.runTask(Jenkins.java:1095)
    at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214)
    at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
    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)
Caused: org.jvnet.hudson.reactor.ReactorException
    at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:282)
    at jenkins.InitReactorRunner.run(InitReactorRunner.java:48)
    at jenkins.model.Jenkins.executeReactor(Jenkins.java:1129)
    at jenkins.model.Jenkins.<init>(Jenkins.java:936)
    at hudson.model.Hudson.<init>(Hudson.java:85)
    at hudson.model.Hudson.<init>(Hudson.java:81)
    at hudson.WebAppMain$3.run(WebAppMain.java:233)
Caused: hudson.util.HudsonFailedToLoad
    at hudson.WebAppMain$3.run(WebAppMain.java:250)

我正在阅读有关此问题的信息，解决方案是删除位于以下位置的更新插件:/var/lib/jenkins/plugins

最初我删除了声纳插件(它是显示错误的插件)，我重新启动了服务器，但问题仍然存在。

Answer 1

我已经设法修复它。

每次更新插件时，系统都会自动将以前的版本重命名为 plugin.bak，所以我所做的就是删除 plugin.jpi 文件并恢复 .bak 将其扩展名更改为 .jpi