gistfile1.txt

INFO: Downloading Selenium
Jun 28, 2019 4:01:21 AM hudson.PluginManager dynamicLoad
INFO: Attempting to dynamic load /var/lib/jenkins/plugins/selenium.jpi
Jun 28, 2019 4:01:32 AM hudson.model.UpdateCenter$DownloadJob run
SEVERE: Failed to install Selenium
java.io.IOException: Failed to dynamically deploy this plugin
        at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:2034)
        at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:1726)
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:112)
        at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.io.IOException: Failed to install selenium plugin
        at hudson.PluginManager.dynamicLoad(PluginManager.java:916)
        at hudson.PluginManager.dynamicLoad(PluginManager.java:852)
        at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:2030)
        ... 5 more
Caused by: 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:551)
        at java.base/java.net.ServerSocket.accept(ServerSocket.java:519)
        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.dynamicLoad(PluginManager.java:911)
        ... 7 more

Jun 28, 2019 4:01:32 AM jenkins.model.Jenkins$23 run
WARNING: Failed to restart Jenkins
java.lang.NullPointerException
        at hudson.plugins.selenium.RestartListenerImpl.isReadyToRestart(RestartListenerImpl.java:19)
        at hudson.model.RestartListener.isAllReady(RestartListener.java:42)
        at jenkins.model.Jenkins.doQuietDown(Jenkins.java:3825)
        at jenkins.model.Jenkins$23.run(Jenkins.java:4271)