HTTP Status 500 - Unable to instantiate Action, BlogsAction, defined for 'viewblog' in namespace '/'BlogsAction

type Exception report

message Unable to instantiate Action, BlogsAction, defined for 'viewblog' in namespace '/'BlogsAction

description The server encountered an internal error that prevented it from fulfilling this request.

exception

Unable to instantiate Action, BlogsAction,  defined for 'viewblog' in namespace '/'BlogsAction
	com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:316)
	com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:397)
	com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:194)
	org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:63)
	org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:37)
	com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58)
	org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:552)
	org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
	org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99)

root cause

java.lang.ClassNotFoundException: BlogsAction
	org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1309)
	org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1143)
	com.opensymphony.xwork2.util.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:152)
	com.opensymphony.xwork2.ObjectFactory.getClassInstance(ObjectFactory.java:128)
	com.opensymphony.xwork2.spring.SpringObjectFactory.getClassInstance(SpringObjectFactory.java:233)
	com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:153)
	com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:171)
	com.opensymphony.xwork2.factory.DefaultActionFactory.buildAction(DefaultActionFactory.java:22)
	com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:141)
	com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:297)
	com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:397)
	com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:194)
	org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:63)
	org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:37)
	com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58)
	org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:552)
	org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
	org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99)

note The full stack trace of the root cause is available in the Apache Tomcat/8.0.32 (Ubuntu) logs.


Apache Tomcat/8.0.32 (Ubuntu)