ALTERNATE OF <logic:equal> OR ANY OTHER LOGIC TAG IN STRUTS
----------------------------------------------------------------------------------------
We need to write very much <logic:equal name> if there are lot of if conditions in you page...so how we use native if condition in struts. I have faced the same problem and find the solution....
Friday, October 25, 2013
Ajax in struts
How to use ajax in struts and hibernate.
Ajax is very important in website coding.
Here I am demonstrating how to use jquery ajax in struts and hibernate.
struts-config.xml
--------------------------
<action input="/" path="/amittest" scope="request" type="com.test.actions.AmitTestAction" parameter="method">
<forward name="success" path="/Webs/Input/amittest.jsp"/>
</action>
====================================================
query.hbm.xml
-----------------------------------
<?xml...
Saturday, October 19, 2013
java.lang.OutOfMemoryError: PermGen space in netbeans
java.lang.OutOfMemoryError: PermGen space in netbeans
How to solve it in netbeans:
1- Right click on server
2- properties
3- select platform
4-in VM option paste as : -Xmx512m -Xms512m -XX:MaxPermSize=512m
java.lang.OutOfMemoryError: PermGen space in netbeans...
Thursday, October 10, 2013
DispatchMapping does not define a handler property
You may face this error while working on java struts:
"DispatchMapping[/login] does not define a handler property"
Answer of this issue is "parameter attribute mention in struts-config for method of Action clas...
Cannot retrieve definition for form bean on action
javax.servlet.jsp.JspException: Cannot retrieve definition for form bean stdname on action regist
Ans:spelling mistake in tags, so check it and correct it in struts-config.xml fi...
Action missing resource in key method map
Action missing resource in key method map
Ans:It means the you have put some spaces in .properties file or missing some property key and its val...
Cannot find ActionMappings or ActionFormBeans collection
org.apache.jasper.JasperException: javax.servlet.
ServletException: javax.servlet.jsp.JspException: Cannot find ActionMappings or ActionFormBeans collection
root cause
javax.servlet.ServletException: javax.servlet.jsp.JspException: Cannot find ActionMappings or ActionFormBeans collection
root cause
javax.servlet.jsp.JspException: Cannot find ActionMappings...
message No action instance for path / could be created error in struts
message No action instance for path /getcity could be created in struts
description The server encountered an internal error (No action instance for path /getcity could be created) that prevented it from fulfilling this request.
Ans: it means that you miss-spelled class information just see [type="con.test.action.DoLogin"] it must be type="com.test.action.DoLogin"<action...
Action does not contain specified method (check logs)
javax.servlet.ServletException: java.lang.
NoSuchMethodException: Action[/salary] does not contain specified method (check logs)
java.lang.NoSuchMethodException: Action[/salary] does not contain specified method (check logs)
Ans: This means "salary" method must be a text in the .jsp file:public ActionForward salary(ActionMapping mapping, ActionForm...
Cannot find message resources under key org.apache.struts.action.MESSAGE
Cannot find message resources under key org.apache.struts.action.MESSAGE
javax.servlet.jsp.JspException: Cannot find message resources under key org.apache.struts.action.
MESSAGEjavax.servlet.ServletException: javax.servlet.jsp.JspException: Cannot find message resources under key org.apache.struts.action.MESSAGE
Ans:1- create a package:...
Cannot cast from ActionForm to form error in struts
I was working in struts and faced "Cannot cast from ActionForm to StudentForm" error.
to solve follow the steps:
Ans: It means you have not import
"import org.apache.struts.action.ActionForm;" int Form class
and can not extends "ActionForm" in that class
for ex:
import org.apache.struts.action.
ActionForm;
public class StudentForm extends...
Turn off the new tab page in firefox
Turn off the new tab page in firefox
type about:config in url text box and Enter.
click ok
Type browser.newtab.url in the search box.
Double-click the browser.newtab.url preference and change the url from about:newtab toabout:blank.
Click OK and close the about:config ta...
openssl_encrypt openssl_decrypt in php
openssl_encrypt openssl_decrypt in php
$method = 'aes-128-ecb';
$iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length($method));
$msg="Hi this is the testing for encoding and decoding";
$en=openssl_encrypt($msg, $method, 'def', true, $iv);
echo $en;
$de=openssl_decrypt($en, $method, 'def', true, $iv);
echo $de...
Array to object in php
Array to object in PHP
$obj = (object) array('nName' => 'my_name', 'address' => 'my_address');
echo $obj->nName;
echo $obj->addres...
JSON in PHP Simple
Simple JSON in PHP
test.php
<script type="application/javascript">
function getip(json){
alert(json);
}
</script>
<script type="application/javascript" src="http://localhost:90/test/a1.php?callback=getip"></script>
a1.php
<?php
header('content-type: application/json; charset=utf-8');
$data = json_encode($_SERVER['REMOTE_ADDR']);
echo...
Show DOCX meta data in php
Show DOCX meta data in php
<?php/*<?xml version="1.0" encoding="UTF-8" standalone="yes"?><cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dcmitype="http://purl.org/dc/dcmitype/"...
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