Hi, I'm getting the following exception. I'm running it in Netbeans IDE. With tomcat 7.50.0
Am I missing some libraries here? Jar files? Developers says its not their code problem its server problem. But i'm not able to get it. Struts core jar is present and in web.xml i have following lines. <servlet> <servlet-name>action</servlet-name> <servlet-class>org.apache.struts.action.ActionServlet</servlet-class> <init-param> <param-name>config</param-name> <param-value>/WEB-INF/struts-config.xml</param-value> </init-param> <init-param> <param-name>debug</param-name> <param-value>2</param-value> </init-param> <init-param> <param-name>detail</param-name> <param-value>2</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>action</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> Jan 30, 2014 12:22:39 PM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet [action] in context with path [/portal] threw exception java.lang.NullPointerException at java.lang.Class.isAssignableFrom(Native Method) at org.apache.struts.util.RequestUtils.rationalizeMultipleFileProperty(RequestUtils.java:506) at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:459) at org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:823) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:194) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462) at javax.servlet.http.HttpServlet.service(HttpServlet.java:647) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:744) Please help me. -- Randeep Mob: +919447831699[kerala] Mob: +919880050349[B'lore] I blog here: http://www.randeeppr.me/ Follow me Here: http://twitter.com/Randeeppr Poke me here! http://www.facebook.com/Randeeppr A little Linux Help http://www.linuxhelp.in/ Work profile: http://in.linkedin.com/in/randeeppr