spring class not found when it exists

Question

I'm getting an exception that "org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping" does not exist in my WebContent\WEB-INF\spring-dispatcher-servlet.xml file. I have the spring-webmvc 4.1.2 dependency added and I the class exists in my maven dependencies so it's as though it isn't seeing those classes from my maven dependencies?

 <bean id="HandlerMapping" class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping" />

outdev · Accepted Answer · 2014-12-01 09:13:04Z

2

If you are using eclipse, try clean project, and then clean Tomcat directory. Also make sure that maven dependencies are present in WEB-INF/lib, if not, this is configurable from Project Properties > Deployment Assembly

answered Dec 1, 2014 at 9:13

outdev

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4 Comments

jn025 Over a year ago

It appears there are no spring jars in the WEB-INF/lib folder, here is my deployment assembly: i.imgur.com/OogS59X.png is this configuration correct?

outdev Over a year ago

Yes, its correct, just try Project>Clean... After that open servers view in eclipse, right click on tomcat and click Clean...

jn025 Over a year ago

Project->clean worked thanks! Any reason behind why this would work?

outdev Over a year ago

It has to do with eclipse-tomcat integration. When a dependency is added to the webapp, this doesn't get synchronized with the tomcat deploy directory, e.i dependency doesn't get copied to WEB-INF/lib, so the developer have to click Tomcat>Clean... which redeploys the webapp.

Random42 · Accepted Answer · 2014-12-01 09:11:55Z

You probably have multiple versions of spring-webmvc on your classpath as dependencies of other direct dependency. Call mvn dependency:tree -Dverbose -Dincludes=spring-webmvc to see how many versions of the library you have and exclude older versions.

Or, if you are using Intellij, enable the maven plug-in, generate diagram, search with Ctrl-F for spring-webmvc and where you have older dependency right click on it and choose exclude. Probably eclipse has similar functionality too.

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