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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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java.lang.NoClassDefFoundError: org/saxpath/SAXPathException	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:130)	at org.jdom.xpath.XPath.newInstance(XPath.java:133)	at com.ffcs.rdi.util.RdiConfigReader.getAttributeValue(RdiConfigReader.java:128)	at com.ffcs.rdi.util.RdiInitialServlet.init(RdiInitialServlet.java:112)	at javax.servlet.GenericServlet.init(GenericServlet.java:256)	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:935)	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823)	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3422)	at org.apache.catalina.core.StandardContext.start(StandardContext.java:3623)	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:821)	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)	at org.jboss.web.tomcat.tc4.EmbeddedTomcatService.createWebContext(EmbeddedTomcatService.java:549)	at org.jboss.web.tomcat.tc4.EmbeddedTomcatService.performDeploy(EmbeddedTomcatService.java:309)	at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:428)	at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832)	at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:642)	at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:605)	at sun.reflect.GeneratedMethodAccessor47.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:324)	at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)	at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:546)	at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)	at $Proxy6.deploy(Unknown Source)	at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:302)	at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:476)	at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:201)	at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:274)	at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:192)	at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:324)	at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)	at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:546)	at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:976)	at $Proxy0.start(Unknown Source)	at org.jboss.system.ServiceController.start(ServiceController.java:394)	at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:324)	at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)	at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:546)	at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)	at $Proxy4.start(Unknown Source)	at org.jboss.deployment.SARDeployer.start(SARDeployer.java:226)	at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832)	at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:642)	at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:605)	at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:589)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:324)	at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)	at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:546)	at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)	at $Proxy5.deploy(Unknown Source)	at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:384)	at org.jboss.system.server.ServerImpl.start(ServerImpl.java:291)	at org.jboss.Main.boot(Main.java:150)	at org.jboss.Main$1.run(Main.java:395)	at java.lang.Thread.run(Thread.java:536)