javax.servlet.jsp.JspException: javax.servlet.ServletException: java.lang.NoClassDefFoundError: Could not initialize class org.apache.abdera.util.AbderaConfiguration
org.apache.taglibs.standard.tag.common.core.ImportSupport.acquireString(ImportSupport.java:306)
org.apache.taglibs.standard.tag.common.core.ImportSupport.doEndTag(ImportSupport.java:161)
org.apache.jsp.error_jsp._jspService(error_jsp.java:3991)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:716)
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:468)
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:391)
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:318)
org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:442)
org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:301)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:178)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)
org.apache.coyote.ajp.AbstractAjpProcessor.process(AbstractAjpProcessor.java:877)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:2464)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:748)