In Struts 2 form, i am iterating through a list and displaying the records along with a checkbox, to perform update/delete operations.
My requirement is if the checkbox is selected(means, if the value is true), perform the required operation on the selected record. But every time i am getting the false value for the check box into my action class and also i am not getting the updated text field values into action class.
Below is the action, form and jsp code:
// Initial action class to prepare the list to display in jsp
public class SetupCategoryMod implements ServletRequestAware, ModelDriven<ManageFundCategoryForm> {
private HttpServletRequest request;
private ManageFundCategoryForm theForm = new ManageFundCategoryForm();
public String execute() throws Exception {
Vector list = doGetFundCatergory(); // This list iam getting fine from DB
theForm.setWs(list); // Setting to pojo
return "success";
}
@Override
public void setServletRequest(HttpServletRequest httpServletRequest) {
this.request = httpServletRequest;
}
@Override
public ManageFundCategoryForm getModel() {
return theForm;
}
}
// POJO for data binding
public class ManageFundCategoryForm {
private Vector<FundCategoryData> ws;
// setter and getter for the property here
}
// supporting pojo for form binding
public class FundCategoryData implements Serializable {
private static final long serialVersionUID = 8509788495819453084L;
private String fname;
private boolean action;
//setters and getters for the properties here
}
jsp
<s:form action="managefundcategory">
<s:iterator value="ws" status="stat">
<tr>
<td align="center"><s:checkbox name="ws[%{#stat.index}].action" value="action"/>
<td align="center"><s:textfield name="ws[%{#stat.index}].fname" size="26"/>
</s:iterator>
</s:form>
Action after submitting the above form with updated values. BUT THE UPDATED VALUES ARE NOT POPULATING TO THE ACTION. OLD VALUES ONLY COMING AGAIN. EVEN AFTER CHECKING THE CHECKBOX, I AM ONLY GETTING "false" VALUE INTO MY ACTION CLASS
public class ManageFundCategoryAction implements ServletRequestAware, ModelDriven<ManageFundCategoryForm> {
private HttpServletRequest request;
private ManageFundCategoryForm theForm = new ManageFundCategoryForm();
public String execute() throws Exception {
Iterator itr = theForm.getWs().iterator();
while(itr.hasNext()){ //Printing the values to check if the updated values are coming or not.
FundCategoryData fdd = (FundCategoryData)itr.next();
System.out.println(fdd.isAction()+" , "+fdd.getFname());
}
//send the updated list to db
if(update(theForm.getWs()) != 0){
return "success";
}
}
@Override
public ManageFundCategoryForm getModel() {
return theForm;
}
@Override
public void setServletRequest(HttpServletRequest httpServletRequest) {
this.request = httpServletRequest;
}
}
Please suggest me how to get the updated values for textfield and checkbox into the submitted action class?
I am getting the below exception in logs after submitting the form
20:13:06,846 ERROR [com.opensymphony.xwork2.util.InstantiatingNullHandler] (http-localhost/127.0.0.1:8080-11) Could not create and/or set value back on to object: ognl.OgnlException: ws [java.lang.IllegalArgumentException: java.lang.ClassCastException@1f17f83]
at ognl.ObjectPropertyAccessor.setPossibleProperty(ObjectPropertyAccessor.java:83) [ognl-2.6.11.jar:]
at ognl.ObjectPropertyAccessor.setProperty(ObjectPropertyAccessor.java:131) [ognl-2.6.11.jar:]
at com.opensymphony.xwork2.util.OgnlValueStack$ObjectAccessor.setProperty(OgnlValueStack.java:68) [xwork-2.0.4.jar:]
at ognl.OgnlRuntime.setProperty(OgnlRuntime.java:1656) [ognl-2.6.11.jar:]
at ognl.ASTProperty.setValueBody(ASTProperty.java:101) [ognl-2.6.11.jar:]
at ognl.SimpleNode.evaluateSetValueBody(SimpleNode.java:177) [ognl-2.6.11.jar:]
at ognl.SimpleNode.setValue(SimpleNode.java:246) [ognl-2.6.11.jar:]
at ognl.Ognl.setValue(Ognl.java:476) [ognl-2.6.11.jar:]
at ognl.Ognl.setValue(Ognl.java:494) [ognl-2.6.11.jar:]
at com.opensymphony.xwork2.util.InstantiatingNullHandler.nullPropertyValue(InstantiatingNullHandler.java:106) [xwork-2.0.4.jar:]
at ognl.ASTProperty.getValueBody(ASTProperty.java:94) [ognl-2.6.11.jar:]
at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:170) [ognl-2.6.11.jar:]
at ognl.SimpleNode.getValue(SimpleNode.java:210) [ognl-2.6.11.jar:]
at ognl.ASTChain.setValueBody(ASTChain.java:168) [ognl-2.6.11.jar:]
at ognl.SimpleNode.evaluateSetValueBody(SimpleNode.java:177) [ognl-2.6.11.jar:]
at ognl.SimpleNode.setValue(SimpleNode.java:246) [ognl-2.6.11.jar:]
at ognl.Ognl.setValue(Ognl.java:476) [ognl-2.6.11.jar:]
at com.opensymphony.xwork2.util.OgnlUtil.setValue(OgnlUtil.java:186) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.OgnlValueStack.setValue(OgnlValueStack.java:158) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.OgnlValueStack.setValue(OgnlValueStack.java:146) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.setParameters(ParametersInterceptor.java:193) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:159) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:105) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:83) [struts2-core-2.0.11.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:207) [struts2-core-2.0.11.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:74) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:127) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(ProfilingActivationInterceptor.java:107) [struts2-core-2.0.11.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:206) [struts2-core-2.0.11.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:115) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:143) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:121) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:170) [struts2-core-2.0.11.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:123) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) [xwork-2.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) [xwork-2.0.4.jar:]
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:50) [struts2-core-2.0.11.jar:]
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:504) [struts2-core-2.0.11.jar:]
at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:419) [struts2-core-2.0.11.jar:]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:231) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169) [jboss-as-web-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:926) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_101]
The solution is obvious. The exception occurred at OGNL level. Because you didn't initialize ws property in your model, and createIfNull configuration is set to true (which is default), OGNL will try to instantiate a property for you but it fails because it either too old or doesn't know how to instantiate that property because it has uknown type.
Try to change the type to List:
private List<FundCategoryData> ws;