[java] org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/CollegeWebsite]]

You have a version conflict, please verify whether compiled version and JVM of Tomcat version are same. you can do it by examining tomcat startup .bat , looking for JAVA_HOME

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ERROR Source option 1.5 is no longer supported. Use 1.6 or later Java 6 Unsupported major.minor version 51.0 Maven Installation OSX Error Unsupported major.minor version 51.0 Unsupported major.minor version 52.0 org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/CollegeWebsite]] java.lang.UnsupportedClassVersionError java.lang.UnsupportedClassVersionError Unsupported major.minor version 51.0 How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version Exception in thread "main" java.lang.UnsupportedClassVersionError: a (Unsupported major.minor version 51.0)