[Java] mybatis(ibatis) 적용시 NoClassDefFoundError에러

mybatis 적용하면서

유닛테스트에서는 문제가 없는데,

톰캣 기동후에 웹환경에서 실행시키면

자꾸 에러가 발생.

path문제인지 알았으나.

결국 임포트문제.

해결은

이클립스에서

Window > Preperence 

> Tomcat > JVM 설정

 > 클래스 패스 / 마이바티스jar 설정

HTTPステータス 500 -

---

type 例外レポート

メッセージ

説明 The server encountered an internal error () that prevented it from fulfilling this request.

例外

org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/apache/ibatis/io/Resources
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:455)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)

原因

javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/apache/ibatis/io/Resources
	org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:911)
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:840)
	org.apache.jsp.jsp.top_jsp._jspService(top_jsp.java:177)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)

原因

java.lang.NoClassDefFoundError: org/apache/ibatis/io/Resources
	ibatis.SqlMapClient.<init>(SqlMapClient.java:39)
	app.data.vo.EmployeeVO.getAllUserList(EmployeeVO.java:25)
	app.tags.Dropdown.doStartTag(Dropdown.java:47)
	org.apache.jsp.jsp.top_jsp._jspx_meth_dropdown_005fdropdownTag_005f0(top_jsp.java:211)
	org.apache.jsp.jsp.top_jsp._jspService(top_jsp.java:125)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)

原因

java.lang.ClassNotFoundException: org.apache.ibatis.io.Resources
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1711)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1556)
	ibatis.SqlMapClient.<init>(SqlMapClient.java:39)
	app.data.vo.EmployeeVO.getAllUserList(EmployeeVO.java:25)
	app.tags.Dropdown.doStartTag(Dropdown.java:47)
	org.apache.jsp.jsp.top_jsp._jspx_meth_dropdown_005fdropdownTag_005f0(top_jsp.java:211)
	org.apache.jsp.jsp.top_jsp._jspService(top_jsp.java:125)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)

注意 原因のすべてのスタックトレースは、Apache Tomcat/7.0.27のログに記録されています