First time Jenkins user. I am getting this error.

[Sivaraman, Ram]

Hello

I m new Jenkins. Installed Jenkins to learn a few things about it. I followed the instructions as described here,

https://www.tutorialspoint.com/jenkins/jenkins_tomcat_setup.htm

Installed Jenkins and TomCat 7 as perr the instructions and ran the startup.bat file, after copying Jenkins.war in C:\Users\<myName>\Downloads\apache-tomcat-7.0.79-windows-x86\apache-tomcat-7.0.79\webapps folder.

Also created a new environment variable for java, JAVA_HOME with the path for Java.

As soon as I opened the local address to see if Jenkins can access Tomcat, I got this error,

http://localhost:8080/jenkins

 

Please guide me where it went wrong,

 

//************************************************************************

A problem occurred while processing the request. Please check our bug tracker to see if a similar problem has already been reported. If it is already reported, please vote and put a comment on it to let us gauge the impact of the problem. If you think this is a new issue, please file a new issue. When you file an issue, make sure to add the entire stack trace, along with the version of Jenkins and relevant plugins. The users list might be also useful in understanding what has happened.

Stack trace

java.lang.AssertionError: InstanceIdentity is missing its singleton

    at org.jenkinsci.main.modules.instance_identity.InstanceIdentity.get(InstanceIdentity.java:133)

    at org.jenkinsci.main.modules.instance_identity.InstanceIdentityRSAProvider.getKeyPair(InstanceIdentityRSAProvider.java:23)

    at jenkins.model.identity.InstanceIdentityProvider$KeyTypes.get(InstanceIdentityProvider.java:161)

    at jenkins.model.identity.InstanceIdentityProvider$KeyTypes.getKeyPair(InstanceIdentityProvider.java:210)

    at jenkins.model.identity.IdentityRootAction.getUrlName(IdentityRootAction.java:42)

    at jenkins.model.Jenkins.getUnprotectedRootActions(Jenkins.java:4672)

    at jenkins.model.Jenkins.isSubjectToMandatoryReadPermissionCheck(Jenkins.java:4644)

    at jenkins.model.Jenkins.getTarget(Jenkins.java:4622)

    at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:674)

    at org.kohsuke.stapler.Stapler.invoke(Stapler.java:845)

    at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)

    at org.kohsuke.stapler.Stapler.service(Stapler.java:238)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)

    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:841)

    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650)

    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:135)

    at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:138)

    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)

    at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:86)

    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)

    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)

    at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)

    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)

    at jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)

    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)

    at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)

    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)

    at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:135)

    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)

    at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)

    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)

    at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:92)

    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)

    at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)

    at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:67)

    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)

    at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:90)

    at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)

    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)

    at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)

    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)

    at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)

    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)

    at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)

    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)

    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)

    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)

    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)

    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)

    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190)

    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)

    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)

    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)

    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)

    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)

    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)

    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)

    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)

    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)

    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)

    at org.eclipse.jetty.server.Server.handle(Server.java:564)

    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:317)

    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)

    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)

    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)

    at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)

    at org.eclipse.jetty.util.thread.Invocable.invokePreferred(Invocable.java:128)

    at org.eclipse.jetty.util.thread.Invocable$InvocableExecutor.invoke(Invocable.java:222)

    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:294)

    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:199)

    at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)

    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

    at java.lang.Thread.run(Unknown Source)

//*******************************************************************************

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[Terry O'Leary]

Hello,

I found this in the Jenkins issues:

https://issues.jenkins-ci.org/browse/JENKINS-38057

Take a look at the comments below the issue and you will see a few people ran into this and noticed their JAVA was set to a new JAVA 9 version. Once they set it back to JAVA 7 all was OK. 

Terry

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[Andreas Tscharner]

On 10.07.2017 02:49, Terry O'Leary wrote:
> Hello,
>

Hello World,

> I found this in the Jenkins issues:
>
> https://issues.jenkins-ci.org/browse/JENKINS-38057
>
> Take a look at the comments below the issue and you will see a few
> people ran into this and noticed their JAVA was set to a new JAVA 9
> version. Once they set it back to JAVA 7 all was OK.

Just a quick note: current Jenkins version need at least Java 8 nowadays

Best regards
Andreas
--
Andreas Tscharner <sterne...@gmail.com>
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[Ravikumar Wagh]

Hello,

I am having same error for configuring jenkins first job.

I uninstalled java9 and installed java8 solved my problem

Thanks !!