Try recreating the entire DynaActionForm with a new name(including the Line[]) and set the new actionform to the Action.... I am guessing that you may not have added the Line[] initially and then added it later on...
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Wednesday, August 18, 2004 10:55 AM To: [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: RE: DynaActionForm java.lang.ArrayIndexOutOfBoundsException Thanks Shoaib. But, after giving the size 100 as : type="com.test.Line[100]", it throws a NullPointerException : java.lang.NullPointerException: The type for property offerSlotslines is invalid at org.apache.struts.action.DynaActionForm.set(DynaActionForm.java:414) at org.apache.struts.action.DynaActionFormClass.newInstance(DynaActionFormC lass.java:243) at org.apache.struts.util.RequestUtils.createActionForm(RequestUtils.java:8 21) at org.apache.struts.action.RequestProcessor.processActionForm(RequestProce ssor.java:364) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java: 253) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:358) at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationH andler.java:294) at org.mortbay.jetty.servlet.Dispatcher.dispatch(Dispatcher.java:222) at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:135) at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.jav a:1069) at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProc essor.java:274) at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestPr ocessor.java:455) at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(Tiles RequestProcessor.java:320) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java: 279) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:358) at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationH andler.java:294) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:567) at org.mortbay.http.HttpContext.handle(HttpContext.java:1807) at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationCon text.java:525) at org.mortbay.http.HttpContext.handle(HttpContext.java:1757) at org.mortbay.http.HttpServer.service(HttpServer.java:879) at org.mortbay.http.HttpConnection.service(HttpConnection.java:790) at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:961) at org.mortbay.http.HttpConnection.handle(HttpConnection.java:807) at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:197 ) at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:276) at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:511) -----Original Message----- From: Mohammad Shoaib [mailto:[EMAIL PROTECTED] Sent: Wednesday, August 18, 2004 10:45 AM To: 'Struts Users Mailing List' Subject: RE: DynaActionForm java.lang.ArrayIndexOutOfBoundsException You have to specify the Size here type="com.test.Line[]" Or whatever is the initial size you specify in your action the zise should remain less that or equal to that size otherwise you will get this error. Regards Shoaib -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Wednesday, August 18, 2004 1:13 PM To: [EMAIL PROTECTED] Subject: DynaActionForm java.lang.ArrayIndexOutOfBoundsException Hi Everyone, I am using DynaActionForm. It is throwing ArrayIndexOutOfBoundsException. Not sure what the issue could be. Can you pls help me. <form-bean name="myForm" type="org.apache.struts.validator.DynaValidatorForm"> <form-property name="lines" type="com.test.Line[]"/> <form-property name="lastSlotId" type="java.lang.String" /> <form-property name="campaignId" type="java.lang.Integer" /> </form-bean> Action mapping is : <action path="/8200/123" type="com.test.myAction" name="MyForm" scope="session" input="/myJSP.jsp"> <forward name="success" path="/8200/123.do"/> </action> Thanks & Regds Ravi Confidentiality Notice The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain confidential or privileged information. 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