Servlets :: Not Able To Deploy Project Due To Listener Class
Aug 1, 2014
I have data base connection which i have configured via a listener class i configured properly in DD but still i am not able to deploy the project and server log show that startL.java listener class was not found why is this so as config is proper with the name
here is my server log
[2014-08-01T20:53:59.112+0530] [glassfish 4.0] [SEVERE] [] [javax.enterprise.system.core] [tid: _ThreadID=34 _ThreadName=admin-listener(3)] [timeMillis: 1406906639112] [levelValue: 1000] [[
Exception while loading the app : java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: java.lang.IllegalArgumentException: java.lang.ClassNotFoundException: contpack.startL.java]]
**if i remove the Listener tag then app runs fine**
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May 26, 2014
I bought a certificate to sign my jars, if a deploy my applet in a html file with out framework, just html and js, the works great, I can call from javascript all public methods from the applet. The real problem is when I try to deploy the same signed jar on a adf project in Jdeveloper. Does not work at all and java execute some warnings and later applet is block, the message say something like "exist some jars signed and not signed" But I am sure that all jars are signed...
I got this:
applet console:
image
All jars are signed, dependencies too.
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Mar 6, 2015
I want to develop a website using jsp and servlets.but i have a few questions:
1: I want to use oracle for database, can i use express edition?
2: After writing the code how do i transfer the code to the client
3: How to deploy the website on internet
I am doing for first time
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Jan 23, 2015
how it is decided which class will implement a session listener interface? Which class will implement HttpSessionListener? Which one will implement HttpSessionActivationListener, HttpSessionBindingListener or HttpSessionAttributeListener?
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Mar 8, 2014
again i am facing problem i am able to run Listener class also the ContextListener is initialised but it is giving me error on Tomcat 6.0 command prompt
Here is my Listener Class Sample.java i am able to compile the code but it is giving java.lang.nullpointer exception at runtime on Tomcat.exe Is there is problem in my code
package servlet;
import java.io.*;
import java.io.FileInputStream;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
import javax.mail.internet.MimeMessage.*;
import javax.mail.internet.InternetAddress.*;
import java.util.*;
[Code]...
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Dec 8, 2014
I am working on a 3D-Projekt, but that's not the point. I wanted to call a function to turn the camera and want, that the function ist called while the key is pressed. I tried following:
private ActionListener actionListener = new ActionListener() {
public void onAction(String name, boolean pressed, float tpf)
if (name.equals("Camera Left") && pressed) {
setViewAngle(-1);
I think, I have to change the ActionListener "onAction", but I can't remember in which way. In the actual code the programm only once perform the action when the key is pressed.
I already tried :
while(pressed) {setViewAngle(-1)}
But that didn't work, but get the whole programm to halt.
So I thought of key repeating.
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Mar 14, 2014
I would like to know how we can deploy one Web application on multiple server to share the work between them? My first thought is that we just deploy the same war file on different servers that connect to the same database. However, what will happen when a user enter something like [URL]? How can multiple servers share the same domain name and how the requests from different users are redirected to these different server?
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Sep 25, 2014
I was wondering if there is a way to be certain that listeners would be invoked in any specific order? Note that I am referring to servlet specification version prior to version 3.0. As per version 3.0, the ordering followed would be the one in web.xml (Reference: Servlet specification 3.0: Section 8.2.3). This section also says that prior to 3.0 the order of invocation is random.
Possible duplicate entry but reply does not match the specification text : URL...
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May 16, 2014
I am using Jframe to do keylistener to detect what key i type. so example when i type A it will return A and so on for other key. But what i really want is using textarea in jsp and have this similar or same code in servlet. Below are the code in JFrame
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JFrame;
import javax.swing.JTextField;
[Code] .....
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Feb 13, 2015
I have created a web dynamic web project using eclipse and I would like to inject a service in my servlet
I am using @Inject with this library : javax.inject.jar with tomcat
put the injected element is null ....
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Mar 31, 2014
Couple of problems here...
1. I am trying to use the getSource method in my inner class, in order to set the JPasswordField within an Inner Listener Class. This is a 4 integer password, setup by my for statement in the loop. I know what I want the program to do, but I don't know the correct language to use. I want the user to press one of the keys (0-9), that value be stored in JPassword (at least I think that is how it works) and for it to display the "*" in the Field---I want this to loop 4x. How do I use the getSource() to do this.
Also, I believe I need to use the set and get methods for the password entered into the JPassField, is that correct? The inner class is not recognizing my the object password that represents the JPasswordField.
2. In my second Inner Listener Class, clearButton, I set the event.getSource method to reset the JPasswordField to " ", when the clear button is pressed. Again, the problem is that the inner class does not recognize password. Why is this the case, since it is still a part of the parent class Atm?
Java Code: import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Atm extends JFrame {
Atm(){
super("ATM");
int i = 0;
//Create Panels For ATM
JPanel buttonPanel1 = new JPanel(); //To Contain Digits 1-9
buttonPanel1.setLayout(new GridLayout(4, 3));
[code]...
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Jun 26, 2014
I have two different classes called Login (in the package View) and RegButtonListener (in the package Controller). I want to use the MVC pattern.
Login creates a GUI for login. I used NetBeans GUI Builder to create it.
In the class RegButtonListener there is the code for the click of the buttons, then various listeners of the GUI.
Now I want to close the login frame at the click of a button so I want to use the dispose() method.
If I had all the code (GUI code and code of the listener) in the same file, close the frame would be easy enough to do because this.dispose(). But in my case I have two different classes.
I also have a second problem.
In Login class (in the packege View) I have included the line :
regButton.addActionListener(Controller.RegButtonListener).
However, Netbeans tells me an error "package regButton does not exist. <identifier> expected". Why does he consider regButton a package? How can I fix these two problems?
How do I do then?
Below is the code of the two classes.
Login class.
public class Login extends javax.swing.JFrame {
/** Creates new form Login */
public Login() {
initComponents();
[code]....
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Jun 2, 2014
JMenuItem blueChoice = new JMenuItem("Blue");
blueChoice.addActionListener(new InnerMenuListener(){
public void actionPerformed(ActionEvent e){
String buttonCommandString = e.getActionCommand( );
if (buttonCommandString.equals("Red"))
redPanel.setBackground(Color.RED);
else if (buttonCommandString.equals("White"))
whitePanel.setBackground(Color.WHITE);
else if (buttonCommandString.equals("Blue"))
bluePanel.setBackground(Color.BLUE);
else
System.out.println("Unexpected error.");
}
});
Can a method in an anonymous inner class ever be private? why or why not?
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Jul 21, 2010
I'm trying to write JUnit test but I'm having trouble with the following errors:
"Test class not found in selected project" -> when running AClassTest.java
"Usage: TestRunner [-wait] testCaseName, where name is the name of the TestCase class" -> when running AClass.java
I have class AClass.java
and class AClassTest.java
They both are in the same package and there is JUnit library
Here's the code:
AClass.java:
Java Code:
public class AClass {
working code is in the last post
} mh_sh_highlight_all('java');
AClassTest.java:
Java Code: public class AClassTest extends TestCase {
working code is in the last post
} mh_sh_highlight_all('java');
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Jan 10, 2015
I need to make some operations with a file. I struggle to understand why Apache is throwing this error:
(The system cannot find the file specified)
My file is located in the root directory of the project.
And here is how I indicate the path to it:
String filePath = "default.jpg";
InputStream inputStream = new FileInputStream(new File(filePath));
If I put the file in the Eclipse folder, it works... But I need it to work if I put it in my project's root folder.
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Apr 12, 2014
i downloaded a sample database code of an online payroll system. How can i assemble it to know how it works.
the files include php and mysql files. it is to build an online payroll system
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Jun 26, 2014
I tried many times to return a string from java project to an android project But it keeps sending incorrect values as in 2 as it should be 1 here is an example.
Java Project:
boolean somethingboolean = false;
if(something.equals("1")){
somethingboolean = true;
}
public static String getString(){
if(somethingboolean == true){
[Code]...
Android project:
System.out.println(JavaProject.getString())
and in the android project it prints "FALSE"
So what should i do?
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May 28, 2014
Regarding the lifecycle of servlet , in headfirst servlet i can find :
You normally will NOT override the service() method, so the one from HttpServlet will run. The service() method figures out which HTTP method (GET, POST, etc.) is in the request, and invokes the matching doGet() or doPost() method. The doGet() and doPost() inside HttpServlet don’t do anything, so you have to override one or both. This thread dies (or is put back in a Container-managed pool) when service() completes.
How can I call the doGet method of the subclass from the superclass. i am not getting this .
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Feb 26, 2015
try {
File configFile= new File("C: Documents and SettingsstudentMy DocumentsNetBeansProjectsCDASsrcconfig.xml ");
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(fXmlFile);
doc.getDocumentElement().normalize();
NodeList nList = doc.getElementsByTagName("config");
[Code] .....
This code is working properly but i have use path like this
File configFile= new File("srcconfig.xml");
Instead of system directory path i have to use path inside of project but i am getting an error-cannot find the specified file...
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Feb 3, 2015
You basically paste a url Into a textarea and choose an Image for the link.The Image link Is then appended to a html file.
I'd like to put everything In a single jar file but I'm not sure what to do so the user can access the html file.
The only two options I can think of are:
a) create the html document on the fly when the jar runs.
b) Is to run a bat command when the jar Is executed that will extract the jar files.
The user can either choose from a number of Images In the logos folder for common websites or add new Images. Since the folder isn't empty , It seems like extracting the jar files Is necessary.
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May 13, 2014
I have a large scale enterprise application (5 modules) project using RAD, WAS v7, Java EE 6 (EJB 3.1, JPA), ZK framework.
The project is using RAD as IDE. The problem is that it takes too long to deploy (more than 5 min) when changes are made to the EJB's (although the changes are minor in only one file) but when changes are made to zk framework (the web & presentation layer), it is fast to deploy.
Don't know what cause the problem. Is it because of EJB 3.1/ JPA or RAD/ WAS?
Is it happening in other IDE or applcation server also?
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May 4, 2014
I am very new to EJB. Started with Session bean demo which was working fine. (created a jar file which had EJB and a WAR file which had servlet). But face some issues when created MDB . (For that also created a JAR file which had EJB and a WAR file which had servlet).
I have used @JMSDestinationDefinitions({
@JMSDestinationDefinition(name = "java:global/jms/mySalutationQueue", interfaceName = "javax.jms.Queue")
}) in servlet and @ActivationConfigProperty(propertyName = "destinationLookup", propertyValue = "java:global/jms/mySalutationQueue") in MDB. I hope that's fine.
I am using WildFly 8 application server in "standalone-full" mode. But while deploying it I got some errors of missing dependencies. Trace of my application server log is as follows:
09:00:28,511 INFO [org.jboss.as.ejb3.deployment.processors.EjbJndiBindingsDeploymentUnitProcessor] (MSC service thread 1-4) JNDI bindings for session bean named Salutation in deployment unit deployment "SalutationProject.war" are as follows:
java:global/SalutationProject/Salutation!packt.Salutation
java:app/SalutationProject/Salutation!packt.Salutation
java:module/Salutation!packt.Salutation
java:global/SalutationProject/Salutation
java:app/SalutationProject/Salutation
java:module/Salutation
[Code] ....
This example is taken from the EJB 3.1 Cookbook's 1st Chapter. I have searched on [URL] .... but didnt get it. Have only used CDI annotations and no xml.
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Aug 25, 2014
I am trying to deploy an android application that connects to a java server. I am doing an apointments system, so the client asks for an apointments with a specific office/doctor. What i did, was to create a java server, using object for the offices, and via sockets it communicates with the android client.
The problem is that when i tried to use my (very demo still) app on my phone and sent it to some friends for testing, i coulnt find a way to have my server on the internet.
So I changed to (or trying to) servlet. But, how to do a client server application with servlets. All tutorials i have seen are more on website clients, but thats not what i need.
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May 6, 2014
We can write JavaFX application in JavaScript using Nashorn Engine, but you have to run application with command line like:
> jjs app_all.js -fx
So I wont know how can I deploy application that let you click on and lunch application or make it self-contained application packaging using package tools of JDK 7 Update 6 or later.
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Jul 5, 2014
Deploy sample J2EE app to WebLogic server
A getting started app is fine, need to understand of deploying a sample application to WebLogic server. Any particular configuration during WLS install?
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Feb 21, 2015
How to deploy Java Swing application as windows software. I have tried the following to do this :
I have created jar file for my project after that created exe file using Launch4j and Advanced installer, exe file produced by both software are working fine but those are placing the jar file inside that exe file, My problem is any one who has that exe file can extract and view the source code by decompiling java class file. Is there any way to deploy java application without decompiling the code.
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