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https://issues.apache.org/jira/browse/WW-4703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15613970#comment-15613970
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Lukasz Lenart edited comment on WW-4703 at 10/28/16 5:50 AM:
-------------------------------------------------------------
Here is my example, I have simplified my business logic.
{code:java}
public class MyAction extends ActionSupport implements ModelDriven,
SessionAware, ServletRequestAware {
{
private Map<String, Object> session;
private HttpServletRequest request;
private MyForm myForm;
public void setSession(Map<String, Object> session){
this.session = session;
}
public void setServletRequest(HttpServletRequest request) {
this.request = request;
}
public MyForm getModel() {
myForm = new MyForm();
return myForm;
}
public String execute() {
myForm.doSomething();
session.put("MyForm", myForm);
return "success";
}
}
public class MyForm extends ActionSupport {
private String myLabel;
public void doSomething(){
myLabel = getText("my.label.01");
}
}
{code}
was (Author: billychk):
Here is my example, I have simplified my business logic.
public class MyAction extends ActionSupport implements ModelDriven,
SessionAware, ServletRequestAware {
{
private Map<String, Object> session;
private HttpServletRequest request;
private MyForm myForm;
public void setSession(Map<String, Object> session){
this.session = session;
}
public void setServletRequest(HttpServletRequest request) {
this.request = request;
}
public MyForm getModel() {
myForm = new MyForm();
return myForm;
}
public String execute() {
myForm.doSomething();
session.put("MyForm", myForm);
return "success";
}
}
public class MyForm extends ActionSupport {
private String myLabel;
public void doSomething(){
myLabel = getText("my.label.01");
}
}
> NullPointerException in ActionSupport when use ModelDriven
> ----------------------------------------------------------
>
> Key: WW-4703
> URL: https://issues.apache.org/jira/browse/WW-4703
> Project: Struts 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.5.5
> Environment: Windows 7
> WebSphere 8.5
> Reporter: billy
> Fix For: 2.5.6
>
>
> When we use getText method in a ModelDriven's bean. We got
> NullPointerException in ActionSupport. We found the variable "container" is
> null when the bean is got from ModelDriven.getModel()
> Following is the exception stack:
> {noformat}
> java.lang.NullPointerException
> at
> com.opensymphony.xwork2.ActionSupport.getLocale(ActionSupport.java:68)
> at
> com.opensymphony.xwork2.TextProviderSupport.getLocale(TextProviderSupport.java:329)
> at
> com.opensymphony.xwork2.TextProviderSupport.getText(TextProviderSupport.java:204)
> at
> com.opensymphony.xwork2.TextProviderSupport.getText(TextProviderSupport.java:119)
> at com.opensymphony.xwork2.ActionSupport.getText(ActionSupport.java:86)
> {noformat}
> Note: we are upgrading the project from 2.3.24.3 to 2.5.5. In version
> 2.3.24.3 doesn't have this issue.
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