java - "Unable to load class" when starting Tomcat 7 web application -

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i recieving below error message, whenever deploy application developed in spring mvc:

unable load class [com.google.common.collect.computingconcurrenthashmap] check against @handlestypes annotation of 1 or more servletcontentinitializers  java.lang.verifyerror: cannot inherit final class @ java.lang.classloader.defineclass1(native method) @ java.lang.classloader.defineclasscond(classloader.java:631) @ java.lang.classloader.defineclass(classloader.java:615) @ java.security.secureclassloader.defineclass(secureclassloader.java:141) @ org.apache.catalina.loader.webappclassloader.findclassinternal(webappclassloader.java:2820) @ org.apache.catalina.loader.webappclassloader.findclass(webappclassloader.java:1150) @ org.apache.catalina.loader.webappclassloader.loadclass(webappclassloader.java:1645) @ org.apache.catalina.loader.webappclassloader.loadclass(webappclassloader.java:1523) @ org.apache.catalina.startup.contextconfig.checkhandlestypes(contextconfig.java:2006) @ org.apache.catalina.startup.contextconfig.processannotationsstream(contextconfig.java:1969) @ org.apache.catalina.startup.contextconfig.processannotationsjar(contextconfig.java:1858) @ org.apache.catalina.startup.contextconfig.processannotationsurl(contextconfig.java:1826) @ org.apache.catalina.startup.contextconfig.processannotations(contextconfig.java:1812) @ org.apache.catalina.startup.contextconfig.webconfig(contextconfig.java:1306)     ...

i have no idea means, other fact google class final , trying inherit (which not doing anywhere in code). suggestions?


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