Spring error java.lang.NoClassDefFoundError: org/springframework/beans/factory/Aware

[Arjun Reddy]

Hi All,

I am running a spring mvc project and when I try to access the web url, I am getting the below error. Anybody seen this before?

Thanks

java.lang.NoClassDefFoundError: org/springframework/beans/factory/Aware
	java.lang.ClassLoader.defineClass1(Native Method)
	java.lang.ClassLoader.defineClassCond(Unknown Source)
	java.lang.ClassLoader.defineClass(Unknown Source)
	java.security.SecureClassLoader.defineClass(Unknown Source)
	org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2904)
	org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1681)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
	java.lang.ClassLoader.defineClass1(Native Method)
	java.lang.ClassLoader.defineClassCond(Unknown Source)
	java.lang.ClassLoader.defineClass(Unknown Source)
	java.security.SecureClassLoader.defineClass(Unknown Source)
	org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2904)
	org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1681)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
	java.lang.ClassLoader.defineClass1(Native Method)
	java.lang.ClassLoader.defineClassCond(Unknown Source)
	java.lang.ClassLoader.defineClass(Unknown Source)
	java.security.SecureClassLoader.defineClass(Unknown Source)
	org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2904)
	org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1681)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
	java.lang.ClassLoader.defineClass1(Native Method)
	java.lang.ClassLoader.defineClassCond(Unknown Source)
	java.lang.ClassLoader.defineClass(Unknown Source)
	java.security.SecureClassLoader.defineClass(Unknown Source)
	org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2904)
	org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173)

[N Sahni]

This class comes from spring-beans.jar.
Please verify if you've this jar in WEB-INF/lib or container class path.

Also, ensure, that you don't have duplicate/old spring jars in class path.