发表于:2008-09-27 16:11:03 楼主
2008-9-27 15:40:37 org.apache.struts.util.RequestUtils createActionForm
严重: Error creating form bean of class com.victor.domain.NclassActionForm
java.lang.NullPointerException
at org.apache.struts.config.FormBeanConfig.createActionForm(FormBeanConfig.java:212)
at org.apache.struts.util.RequestUtils.createActionForm(RequestUtils.java:292)
at org.apache.struts.util.RequestUtils.createActionForm(RequestUtils.java:191)
at org.apache.struts.taglib.html.FormTag.initFormBean(FormTag.java:477)
at org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:457)
at jsp_servlet._managerback._nclassmanager.__insertnclass._jspService(__insertnclass.java:167)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:971)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:402)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6350)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3635)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2585)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
<2008-9-27 下午15时40分37秒 CST> <Error> <HTTP> <BEA-101017> <[ServletContext(id=21349396,name=Hzzj,context-path=/Hzzj)] Root cause of ServletException.
javax.servlet.jsp.JspException: Exception creating bean of class com.victor.domain.NclassActionForm: {1}
at org.apache.struts.taglib.html.FormTag.initFormBean(FormTag.java:487)
at org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:457)
at jsp_servlet._managerback._nclassmanager.__insertnclass._jspService(__insertnclass.java:167)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:971)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:402)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6350)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3635)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2585)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
>
配置
<struts-config>
<form-beans>
<form-bean name="NclassActionForm" type="com.victor.domain.NclassActionForm" />
</form-beans>
<global-exceptions />
<global-forwards />
<action-mappings>
<action name="NclassActionForm" path="/nclassAction" scope="session" type="com.victor.webtier.nclassAction.NclassAction" parameter="operate">
<forward name="insertnclass" path="success.jsp"> </forward>
</action>
</action-mappings>
<message-resources parameter="com.victor.webtier.ApplicationResources" />
</struts-config> form:
public class NclassActionForm
extends ActionForm {
private static final long serialVersionUID = 1668470603885372531L;
private Nclass nclass;
private String operate="";
public NclassActionForm()
{
if(null==this.nclass)
{
this.nclass=new Nclass();
}
}
public Nclass getNclass() {
return nclass;
}
public void setNclass(Nclass nclass) {
this.nclass = nclass;
}
public String getOperate() {
return operate;
}
public void setOperate(String operate) {
this.operate = operate;
}
}
entity:
public class Nclass {
private int id;
private String classname;
private int parentid;
private int orderid;
public String getClassname() {
return classname;
}
public void setClassname(String classname) {
this.classname = classname;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getOrderid() {
return orderid;
}
public void setOrderid(int orderid) {
this.orderid = orderid;
}
public int getParentid() {
return parentid;
}
public void setParentid(int parentid) {
this.parentid = parentid;
}
} action:
public class NclassAction extends DispatchAction {
private NclassDaoImpl nclassdao=new NclassDaoImpl();
public ActionForward doInsertNclass(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
{
NclassActionForm myform=(NclassActionForm)form;
Nclass nclass=new Nclass();
nclass.setId(myform.getNclass().getId());
nclass.setClassname(myform.getNclass().getClassname());
nclass.setParentid(myform.getNclass().getParentid());
nclass.setOrderid(myform.getNclass().getOrderid());
nclassdao.NclassInsert(nclass); return mapping.findForward("insertnclass");
}
}
jsp:
<%@ page contentType="text/html; charset=GB2312" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean"%>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html"%>
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic"%>
<html>
<head>
<title>
insertNclass
</title>
</head>
<script type="text/javascript">
function check()
{
var classname=document.form[0].classname.value;
if(classname=="" || classname==null)
{
alert("请输入类别名称!");
return false;
}
return true;
}
function doInsertNclass()
{
document.forms[0].elements["operate"].value = "doInsertNclass";
document.forms[0].submit();
}
</script>
<body bgcolor="#ffffff">
<center>
<h1>
添加信息分类
</h1>
<html:form method="post" action="nclassAction">
<table>
<tr> <td colspan="2">
<html:hidden name="NclassActionForm" property="operate" value="doInsertNclass" />
</td>
</tr>
<tr>
<td>
信息名称: </td> <td> <html:text name="NclassActionForm" property="nclass.classname" onblur="return check()" /> </td>
</tr>
<tr> <td>信息级别: </td> <td>
<html:select name="NclassActionForm" property="nclass.parentid">
<html:option value="1">一级 </html:option>
<html:option value="2">二级 </html:option>
<html:option value="3">三级 </html:option>
</html:select> </td>
</tr>
<tr> <td>信息顺序: </td> <td>
<html:select name="NclassActionForm" property="nclass.orderid">
<html:option value="1">1 </html:option>
<html:option value="2">2 </html:option>
<html:option value="3">3 </html:option>
</html:select> </td>
</tr>
<tr>
<td colspan="2"> <button onclick="javascript:doInsertNclass();">添加 </button> </td>
</tr>
</table>
</html:form>
</center>
</body>
</html>
2008-9-27 15:40:37 org.apache.struts.util.RequestUtils createActionForm
严重: Error creating form bean of class com.victor.domain.NclassActionForm
java.lang.NullPointerException
at org.apache.struts.config.FormBeanConfig.createActionForm(FormBeanConfig.java:212)
at org.apache.struts.util.RequestUtils.createActionForm(RequestUtils.java:292)
at org.apache.struts.util.RequestUtils.createActionForm(RequestUtils.java:191)
at org.apache.struts.taglib.html.FormTag.initFormBean(FormTag.java:477)
at org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:457)
at jsp_servlet._managerback._nclassmanager.__insertnclass._jspService(__insertnclass.java:167)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:971)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:402)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6350)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3635)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2585)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
<2008-9-27 下午15时40分37秒 CST> <Error> <HTTP> <BEA-101017> <[ServletContext(id=21349396,name=Hzzj,context-path=/Hzzj)] Root cause of ServletException.
javax.servlet.jsp.JspException: Exception creating bean of class com.victor.domain.NclassActionForm: {1}
at org.apache.struts.taglib.html.FormTag.initFormBean(FormTag.java:487)
at org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:457)
at jsp_servlet._managerback._nclassmanager.__insertnclass._jspService(__insertnclass.java:167)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:971)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:402)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6350)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3635)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2585)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
>
配置
<struts-config>
<form-beans>
<form-bean name="NclassActionForm" type="com.victor.domain.NclassActionForm" />
</form-beans>
<global-exceptions />
<global-forwards />
<action-mappings>
<action name="NclassActionForm" path="/nclassAction" scope="session" type="com.victor.webtier.nclassAction.NclassAction" parameter="operate">
<forward name="insertnclass" path="success.jsp"> </forward>
</action>
</action-mappings>
<message-resources parameter="com.victor.webtier.ApplicationResources" />
</struts-config> form:
public class NclassActionForm
extends ActionForm {
private static final long serialVersionUID = 1668470603885372531L;
private Nclass nclass;
private String operate="";
public NclassActionForm()
{
if(null==this.nclass)
{
this.nclass=new Nclass();
}
}
public Nclass getNclass() {
return nclass;
}
public void setNclass(Nclass nclass) {
this.nclass = nclass;
}
public String getOperate() {
return operate;
}
public void setOperate(String operate) {
this.operate = operate;
}
}
entity:
public class Nclass {
private int id;
private String classname;
private int parentid;
private int orderid;
public String getClassname() {
return classname;
}
public void setClassname(String classname) {
this.classname = classname;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getOrderid() {
return orderid;
}
public void setOrderid(int orderid) {
this.orderid = orderid;
}
public int getParentid() {
return parentid;
}
public void setParentid(int parentid) {
this.parentid = parentid;
}
} action:
public class NclassAction extends DispatchAction {
private NclassDaoImpl nclassdao=new NclassDaoImpl();
public ActionForward doInsertNclass(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
{
NclassActionForm myform=(NclassActionForm)form;
Nclass nclass=new Nclass();
nclass.setId(myform.getNclass().getId());
nclass.setClassname(myform.getNclass().getClassname());
nclass.setParentid(myform.getNclass().getParentid());
nclass.setOrderid(myform.getNclass().getOrderid());
nclassdao.NclassInsert(nclass); return mapping.findForward("insertnclass");
}
}
jsp:
<%@ page contentType="text/html; charset=GB2312" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean"%>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html"%>
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic"%>
<html>
<head>
<title>
insertNclass
</title>
</head>
<script type="text/javascript">
function check()
{
var classname=document.form[0].classname.value;
if(classname=="" || classname==null)
{
alert("请输入类别名称!");
return false;
}
return true;
}
function doInsertNclass()
{
document.forms[0].elements["operate"].value = "doInsertNclass";
document.forms[0].submit();
}
</script>
<body bgcolor="#ffffff">
<center>
<h1>
添加信息分类
</h1>
<html:form method="post" action="nclassAction">
<table>
<tr> <td colspan="2">
<html:hidden name="NclassActionForm" property="operate" value="doInsertNclass" />
</td>
</tr>
<tr>
<td>
信息名称: </td> <td> <html:text name="NclassActionForm" property="nclass.classname" onblur="return check()" /> </td>
</tr>
<tr> <td>信息级别: </td> <td>
<html:select name="NclassActionForm" property="nclass.parentid">
<html:option value="1">一级 </html:option>
<html:option value="2">二级 </html:option>
<html:option value="3">三级 </html:option>
</html:select> </td>
</tr>
<tr> <td>信息顺序: </td> <td>
<html:select name="NclassActionForm" property="nclass.orderid">
<html:option value="1">1 </html:option>
<html:option value="2">2 </html:option>
<html:option value="3">3 </html:option>
</html:select> </td>
</tr>
<tr>
<td colspan="2"> <button onclick="javascript:doInsertNclass();">添加 </button> </td>
</tr>
</table>
</html:form>
</center>
</body>
</html>
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weblogic.servlet.jsp.JspException: (line 3): Error in using tag library uri='/WEB-INF/struts-html.tld' prefix='html': The Tag class 'org.apache.struts.taglib.html.CheckboxTag' has no setter method corresponding to TLD declared attribute 'errorKey', (JSP 1.1 spec, 5.4.1)
at weblogic.servlet.jsp.StandardTagLib.tld_jspException(StandardTagLib.java:1235)
at weblogic.servlet.jsp.StandardTagLib.parseTagDD(StandardTagLib.java:1363)
at weblogic.servlet.jsp.StandardTagLib.parseDD(StandardTagLib.java:1261)
at weblogic.servlet.jsp.StandardTagLib.<init>(StandardTagLib.java:292)
at weblogic.servlet.jsp.TagLibHelper.loadTagLib(TagLibHelper.java:314)
at weblogic.servlet.jsp.JspLexer.loadTagLib(JspLexer.java:145)
at weblogic.servlet.jsp.JspLexer.mTAGLIB_DIRECTIVE_BODY(JspLexer.java:5015)
at weblogic.servlet.jsp.JspLexer.mTAGLIB_DIRECTIVE(JspLexer.java:4853)
at weblogic.servlet.jsp.JspLexer.mDIRECTIVE(JspLexer.java:4699)
at weblogic.servlet.jsp.JspLexer.mSTANDARD_THING(JspLexer.java:2094)
at weblogic.servlet.jsp.JspLexer.mTOKEN(JspLexer.java:1880)
at weblogic.servlet.jsp.JspLexer.nextToken(JspLexer.java:1753)
at weblogic.servlet.jsp.JspLexer.parse(JspLexer.java:963)
at weblogic.servlet.jsp.JspParser.doit(JspParser.java:106)
at weblogic.servlet.jsp.JspParser.parse(JspParser.java:230)
at weblogic.servlet.jsp.Jsp2Java.outputs(Jsp2Java.java:125)
at weblogic.utils.compiler.CodeGenerator.generate(CodeGenerator.java:258)
at weblogic.servlet.jsp.JspStub.compilePage(JspStub.java:367)
at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:223)
at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:172)
at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:518)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:362)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:446)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6350)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3635)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2585)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
>
试了这个,问题依旧!!