Problem

A common resource bundle error in Struts framework, it usually caused by the System cant find the corresponding message resource.

javax.servlet.jsp.JspException: Cannot find message resources under key org.apache.struts.action.MESSAGE
	org.apache.struts.taglib.TagUtils.retrieveMessageResources(TagUtils.java:1112)
	org.apache.struts.taglib.TagUtils.present(TagUtils.java:1055)
	org.apache.struts.taglib.html.ErrorsTag.doStartTag(ErrorsTag.java:200)
	org.apache.jsp.pages.login_jsp._jspx_meth_html_005ferrors_005f0(login_jsp.java:160)
	org.apache.jsp.pages.login_jsp._jspx_meth_html_005fform_005f0(login_jsp.java:111)
	org.apache.jsp.pages.login_jsp._jspService(login_jsp.java:77)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:831)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:831)
	org.apache.struts.chain.commands.servlet.PerformForward.handleAsForward(PerformForward.java:113)
	org.apache.struts.chain.commands.servlet.PerformForward.perform(PerformForward.java:96)
	org.apache.struts.chain.commands.AbstractPerformForward.execute(AbstractPerformForward.java:54)
	org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
	org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305)
	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
	org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:718)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:831)

Solution

Just include the corresponding message resources.

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC 
"-//Apache Software Foundation//DTD Struts Configuration 1.3//EN" 
"http://jakarta.apache.org/struts/dtds/struts-config_1_3.dtd">
 
<struts-config>
 
	<message-resources
		parameter="com.mkyong.common.properties.Common" />
 
</struts-config>
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