java.lang.IllegalStateException: Cannot initialize context because there is already a root application context present

Question

When running my webapp, I get the stacktrace listed below every other try. Note that there doesn't seem to be multiple ContextLoader definitions im web.xml as far as I can tell. Moreover, the app runs just fine the second/fourth/etc. time. This behaviour is much harder to debug than if it simply didn't work. Can anyone shed some light on this?

 java.lang.IllegalStateException: Cannot initialize context because there is already a root application context present - check whether you have multiple ContextLoader* definitions in your web.xml!
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:299)
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4795)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5221)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:724)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:700)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:714)
    at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:919)
    at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1703)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

It would be helpful to provide your deployment descriptor (web.xml). Also take a look at this: stackoverflow.com/questions/22729725/… — Rana_S
– Rana_S, Commented Nov 10, 2015 at 20:31
Thank you for the reply. I figured out the problem and posted the answer below. — MJB
– MJB, Commented Nov 17, 2015 at 11:47

MJB · Accepted Answer · 2015-11-17 11:47:05Z

9

For anyone with a similar problem - turns out that spring-jersey used in the project was setting up its own context. My context and the spring-jersey one were initialized in random order apparently. More info here:
https://java.net/jira/browse/JERSEY-2038
https://java.net/projects/jersey/lists/users/archive/2014-03/message/124
The suggested solution of adding:

servletContext.setInitParameter("contextConfigLocation", "<NONE>");

In WebAppInitializer implementation didn't work reliably due to initialization order. What solved the problem was adding its xml equivalent:

<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value></param-value>
</context-param>

as the firt parameter in web.xml, ensuring that its set before the context is initialized.

answered Nov 17, 2015 at 11:47

MJB

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1 Comment

wolf97084 Over a year ago

Thanks a lot, this solve my problem. I am using Spring, Spring Security, Jersey and Hibernate in my JSF project. After having to add jersey-spring4 and spring-bridge to solve my null entity manager problem, I was having multiple context loader issue, and this solution works!

Kalpesh Soni · Accepted Answer · 2018-04-16 22:49:29Z

9

Make sure that you are not doing this if you are using spring boot

  container.addListener(new ContextLoaderListener(rootContext));

answered Apr 16, 2018 at 22:49

Kalpesh Soni

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