java.lang.NoClassDefFoundError: This exception has no message.

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org.apache.http.config.Lookup class is in httpcore-4.3.jar not in httpclient-4.3.1.jar

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at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(
at oracle.reports.jsp.ReportTagExtraInfo.class$(
at oracle.reports.jsp.ReportTagExtraInfo.getVariableInfo(
at oracle.jsp.parse.JspRTTag.getDefinedObjects(
at oracle.jsp.parse.OpenJspTagHandler.defineBeans(
at oracle.jsp.parse.OpenJspTagHandler.validateTagAttributes(
at oracle.jsp.parse.JspParseTag.parse(
at oracle.jsp.parse.OpenJspTagHandler.parse(
at oracle.jsp.parse.JspParseTag.parseNextTag(
at oracle.jsp.parse.JspParseTagFile.parse(
at oracle.jsp.parse.OracleJsp2Java.transform(
at oracle.jsp.runtimev2.JspPageCompiler.attemptCompilePage(
at oracle.jsp.runtimev2.JspPageCompiler.compilePage(
at oracle.jsp.runtimev2.JspPageInfo.compileAndLoad(
at oracle.jsp.runtimev2.JspPageTable.compileAndServe(
at oracle.jsp.runtimev2.JspPageTable.service(
at oracle.jsp.runtimev2.JspServlet.internalService(
at oracle.jsp.runtimev2.JspServlet.service(
at javax.servlet.http.HttpServlet.service(
at com.evermind.server.http.ResourceFilterChain.doFilter(
at com.evermind.server.http.ServletRequestDispatcher.invoke(
at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(
at com.evermind.server.http.HttpRequestHandler.processRequest(

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