TomCat Page Instead of Jenkins

Jenkinstomcat

I've just installed Jenkins on my Ubuntu 15.04. The installation was using 'apt-get' command which ended successfully. But now when I browse 'http://localhost:8080' or 'http://localhost:8080/jenkins' nothing worked. Just tomcat server's page is displayed. How can I browse the Jenkins????? Following is the log file errro:

hudson.util.BootFailure publish
SEVERE: Failed to initialize Jenkins
hudson.util.HudsonFailedToLoad: java.lang.InterruptedException
at hudson.WebAppMain$3.run(WebAppMain.java:237)
Caused by: java.lang.InterruptedException
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:267)
at jenkins.InitReactorRunner.run(InitReactorRunner.java:44)
at jenkins.model.Jenkins.executeReactor(Jenkins.java:924)
at jenkins.model.Jenkins.<init>(Jenkins.java:816)
at hudson.model.Hudson.<init>(Hudson.java:85)
at hudson.model.Hudson.<init>(Hudson.java:81)
at hudson.WebAppMain$3.run(WebAppMain.java:225)

Best Answer

It could be that another instance of Tomcat is already running on port 8080. Try changing the http port in /etc/default/jenkins, e.g. replace this line:

HTTP_PORT=8080

by this one:

HTTP_PORT=8081

then restart Jenkins:

sudo service jenkins restart
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