struts2

问题 I'm currently working through the tutorial found on the Apache Struts2 website. Currently, whenever I press submit on the form, or when I click the Bruce Philips hyperlink, I get a NoSuchMethodError . javax.servlet.ServletException: Filter execution threw an exception root cause java.lang.NoSuchMethodError: ognl.SimpleNode.isEvalChain(Lognl/OgnlContext;)Z com.opensymphony.xwork2.ognl.OgnlUtil.isEvalExpression(OgnlUtil.java:224) com.opensymphony.xwork2.ognl.OgnlUtil.setValue(OgnlUtil.java:215)

问题 I got a Struts 2 , Java 8 web application running on Wildfly 10 and wanted to integrate Javamelody but i am unable to access the monitoring page no matter my configuration in the web.xml and struts.xml I use the following maven dependency <dependency> <groupId>net.bull.javamelody</groupId> <artifactId>javamelody-core</artifactId> <version>1.77.0</version> </dependency> In my web.xml (web-app version="3.0" ) i have the following configuration: <filter> <filter-name>monitoring</filter-name>

问题 Well,I have been trying to add an orm layer for past 3 weeks and i havent been able to do so.I was trying to learn from the tutorial.I have done whatever the tutorial says .Here is the code Student.java package com.codinghazard.actions; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.Table; @Entity @Table(name="student") public class Student { @Id @GeneratedValue private int id;

问题 Well,I have been trying to add an orm layer for past 3 weeks and i havent been able to do so.I was trying to learn from the tutorial.I have done whatever the tutorial says .Here is the code Student.java package com.codinghazard.actions; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.Table; @Entity @Table(name="student") public class Student { @Id @GeneratedValue private int id;

问题 @ParentPackage("basePackage") @Namespace("/") @Action(value = "userAction") @AllowedMethods("test") public class UserAction { private static final String[] test = null; private static Logger logger = Logger.getLogger(UserAction.class); public void test() { logger.info("进入action"); } } In the struts.xml configuration file: <constant name="struts.strictMethodInvocation.methodRegex" value="([a-zA-Z]*)"/> I want to visit http://localhost:8080/sshe/userAction! Test.action ! Now the error: HTTP

问题 I have a list products with these attributes : Identifier Color Size Supplier Supplier attribute is an object that has these attributes : Name Phone For each product in my list, i'd like to display the identifier & the supplier name. How can i do this with struts / jstl ? Here is what i'm trying with no success : <s:iterator value="products"> <tr> <td><s:property value="identifiant"/></td> <td><s:property value="supplier.name"</td> </tr> </s:iterator> 回答1: There should be getters for each

问题 I am developing an application using Struts 2 and Hibernate. On a JSP page I have one form in which all CRUD operations I am performing. I want my Form data to be persisted, which is temporarily entered in the form fields. One approach which I tried is to bind all the data into an Object and store that object in a session or cache but I know there is some limitation of storing data like this. My form is having the functionality to add n number of rows which means I have to store large amount

问题 I am developing an application using Struts 2 and Hibernate. On a JSP page I have one form in which all CRUD operations I am performing. I want my Form data to be persisted, which is temporarily entered in the form fields. One approach which I tried is to bind all the data into an Object and store that object in a session or cache but I know there is some limitation of storing data like this. My form is having the functionality to add n number of rows which means I have to store large amount

问题 I have a Struts2 problem, <s:property escape="false" value="value" /> value is got from database, content html tags, Example: TOTO<br/>Adresse:<br/> when using Struts2 tag with escape false the result: TOTO<br/>Adress:<br/> and not the well formatted content, so anyone has an idea how to correct this? I try escapeHhtml , escapeXML , escape , always same problem... the result that I want is like: TOTO Adress: 回答1: Try the code in the action public String getValue(){ return StringEscapeUtils

问题 I have an text box which is autocomplete enabled from DB.I'm using Javascript to enable autocomplete functionality. $("#loanApplicationNo").autocomplete("<s:url action="/suggestByLoanApplicationNo"/>",{maxItemsToShow : 5}); When I type some thing on the textbox, choices will appear in the text box and when I choose/select a particular result, I want a seperate action to be called. <s:textfield name="loan.applicationNo" id="loanApplicationNo" theme="simple" /> <a id="depositSearch" class=