Selenium + Jenkins集成:插件初始化错误

Question

我正在运行Jenkins 2.289.2并试图安装硒网格插件。

当我安装插件时，它在加载插件扩展时显示了一个错误。

​

我有关于Jenkins的JDK 8和9。

这是我可以从selenium中找到的日志。

/var/jenkins_home/selenium.log

Starting Selenium Grid
[jenkins_home] $ /opt/java/openjdk/bin/java -cp /var/jenkins_home/war/WEB-INF/lib/remoting-4.7.jar hudson.remoting.Launcher -cp /var/jenkins_home/plugins/selenium/WEB-INF/lib/selenium-server-standalone-3.141.59.jar:/var/jenkins_home/plugins/selenium/WEB-INF/lib/htmlunit-driver-standalone-2.33.3.jar -connectTo localhost:35911
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by hudson.remoting.Launcher (file:/var/jenkins_home/war/WEB-INF/lib/remoting-4.7.jar) to method java.net.URLClassLoader.addURL(java.net.URL)
WARNING: Please consider reporting this to the maintainers of hudson.remoting.Launcher
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Exception in thread "main" java.lang.IllegalArgumentException: object is not an instance of declaring class
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at hudson.remoting.Launcher.addClasspath(Launcher.java:153)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at io.jenkins.remoting.shaded.org.kohsuke.args4j.spi.MethodSetter.addValue(MethodSetter.java:47)
        at io.jenkins.remoting.shaded.org.kohsuke.args4j.spi.StringOptionHandler.parseArguments(StringOptionHandler.java:19)
        at io.jenkins.remoting.shaded.org.kohsuke.args4j.CmdLineParser.parseArgument(CmdLineParser.java:520)
        at hudson.remoting.Launcher.main(Launcher.java:291)

Jenkins日志：

Failed Initializing plugin selenium
java.net.SocketTimeoutException: Accept timed out
   at java.base/java.net.PlainSocketImpl.socketAccept(Native Method)
   at java.base/java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:458)
   at java.base/java.net.ServerSocket.implAccept(ServerSocket.java:565)
   at java.base/java.net.ServerSocket.accept(ServerSocket.java:533)
   at hudson.slaves.Channels.newJVM(Channels.java:227)
   at hudson.plugins.selenium.process.SeleniumProcessUtils.createSeleniumGridVM(SeleniumProcessUtils.java:59)
   at hudson.plugins.selenium.PluginImpl.startHub(PluginImpl.java:176)
   at hudson.plugins.selenium.PluginImpl.postInitialize(PluginImpl.java:136)
   at hudson.PluginManager$2$1$2.run(PluginManager.java:575)
   at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
   at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296)
   at jenkins.model.Jenkins$5.runTask(Jenkins.java:1129)
   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$1.run(ImpersonatingExecutorService.java:68)
   at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
   at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
   at java.base/java.lang.Thread.run(Thread.java:829)

在页面上重新启动Jenkins服务器后，如下所示：

​

有什么帮助吗？

Answer 1

我也有同样的问题。很可能您的Jenkins-实例运行在代理后面。转到插件设置页面并添加代理服务器。