How To Grant JAAS Permission To Execute Native Code Using JNI

Mar 13, 2015

I am running my Java code with SecurityManager enabled. The code must load a DLL and invoke methods written in C using JNI. Is there a documentation available describing the permissions needed for native code?

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JSP :: Execute Code After Every 10 Seconds

Feb 25, 2014

I want to execute my jsp code to compare two dates after every 10 seconds if user enter date and current sys date are equal it will send the mail to the user automatically. Below is my jsp code

this if condition i want to check the date after every 10 seconds and when two dates are equal it will send the mail using below mail code

if(ExpcReDt.compareTo(dateStr)>0) {
out.println("Expected return date is greater than current date");
}
else if(ExpcReDt.compareTo(dateStr)==0)

[code]....

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Unable To Execute The Mail Code

Mar 6, 2014

I am unable to run this java mail code, whats the error!!

public class Class1 {
final String senderEmailID = "from@gmail.com";
final String senderPassword = "password";
final String emailSMTPserver = "smtp.gmail.com";
final String emailServerPort = "465";
String receiverEmailID = null;

[Code] ...

I get an error as this

javax.mail.MessagingException: Could not connect to SMTP host: smtp.gmail.com, port: 465, response: -1
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1949)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:654)
at javax.mail.Service.connect(Service.java:317)

[Code] ....

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JVM Not Execute The Code Without Storing In Memory?

Jun 5, 2014

Any article where it mentions about when the class is loaded into memory?Does it happen before the server starts?

Also does the class needed to be loaded into memory? Can the JVM not just execute the code without storing in memory?

I searched in google. Could not get anything concrete.

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Code Doesn't Execute Certain Section Of Program?

Feb 14, 2015

I am having an issue where the code does something very strange when run. Everything seems to be ok in the code but I don't know what is wrong as no error is given.

Here is the code:

import java.util.Scanner;
public class Pizza {
private static int pizzaSmall = 10;
private static int pizzaMedium = 12;
private static int pizzaLarge = 14;
private static int costPerTopping = 2;
/**@return The total cost of the pizza when given the pizza size and the toppings.*/

[Code] ....

And here is the console output:

Please enter the number of Cheese toppings that you would like: 1
Please enter the number of Pepperoni toppings that you would like: 1
Please enter the number of Ham toppings that you would like: 1
Please enter Small for a Small Pizza, Medium for a Meddium Pizza, and Large for a Large Pizza:
The number of Cheese toppings is 1.
The number of Pepperoni toppings is 1.
The number of Ham toppings is 1.

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Cannot Execute Java Code From Command Line In Notepad++

Jan 2, 2015

I have the program written correctly, but it won't execute.

public class Welcome {
public static void main(String[] args){
//Display message Welcome to Java! on the console
System.out.println("Welcome to Java");
}
}

I compiled the code as written below with "javac Welcome", and use the "Class" name "Welcome"

The file path is: C:Java Programs

Javac Welcome.java
Java Welcome

Below is the result of the above commands

javac Welcome

Create Process() failed with error code 2:

The system cannot find the file specified.

java Welcome

Process started >>>

Error: Could not find or load main class Welcome

<<< Process finished. (Exit code 1)

I am coding in notepad++

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Using Text Edit On Mac And Using Terminal To Execute Java Code

Aug 7, 2014

So when writing my first "Hello World" app everything seemed to work just fine. I wrote the code, compiled it, and then ran the class file and it worked, I got the return Hello World! But when I tried to write another app which is basically the exact same thing just a different sentence, I keep getting a bunch of error codes saying illegal character. I did everything the exact same. I am using Text Edit on a Mac and using Terminal to execute the Java code.

Here is what I wrote....

public class MyFirstApp
{
public static void main( String[] args )
{
System.out.println(“i rule the world!”);

[code]...

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EJB / EE :: Relationship Between JAAS And JDBC

Aug 9, 2014

I'm trying to understand the relationship between JAAS and JDBC..In WebSphere, when setting up a Dynamic cluster I have to first define the JAAS..Then, the datasource..The JAAS has one account/password and the datasource another..I'm not getting the relationship between needing both JAAS and JDBC docs.oracle.com/cd/E19225-01/820-5594/ahteo/index.html

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How To Change File Permission

Jun 26, 2014

how to change file permission in Java..

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How To Change File Permission In Java

Jun 26, 2014

How to change file permission in java....

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Get Permission By Java Make Applets?

Dec 8, 2014

so recently i made an applet and i was gonna put it up on my website when i got an error saying that java had blocked the applet duo to security thingys..sooo i looked in to it and i found out that apparently you need permission from java to run a applet or something like that, because there was a lot of viruses coming from there or something...

so does that mean only big game company's that can actually get permission by java make applets? are applets dead!? is there no other way to play java games in a browser!??!

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Servlets :: Form Based JAAS - How To Implement Login System Explicitly Outside Container

Jan 30, 2014

I have configured form based JAAS in my app. Basically, in web.xml I have declared security constraints on certain jsp page, declared specific roles, login and error pages. So, my login form is:

<form id="loginForm" action="j_security_check" method="post">
<p>
<label for="name">Username</label> <input name="j_username"
id="username" type="text" required/>

[Code] ....

This works fine when some user tries to access some of the pages declared in <security-constraint> tag of web.xml.

Container automatically manages login process, redirects to login page and if login details are valid, gives access to secured page.

Now, how should I implement login system so that user can go to login page (possibly same login form) and log in from there?

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How To Dispose Off Native Components

Jan 7, 2014

Currently I get errors when trying to exit my JFrame without playing the youtube video I have set it to load.

My Code:

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;
import chrriis.dj.nativeswing.swtimpl.NativeInterface;

[Code] ....

If it's relevant the error:
java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(Unknown Source)
at java.net.SocketInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)

[Code] .....

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JavaFX 2.0 :: Native Packaging And Preloader

Aug 27, 2014

When reading RT-38432 I see that Danno mentions the possibility to use:
 
com.sun.javafx.application.LauncherImpl.launchApplication(YourMainClass.class, Preloader.class, args);
 
I've never used the javafx-packager and have always used the above instead.  However, I assumed I was missing out on some optimization related to example 9-5 and example 9-6 of Deploying JavaFX Applications: Preloaders | JavaFX 2 Tutorials and Documentation.  I always assumed the supported packaging:
 
1) Loads only the JARs / resources needed to launch the Preloader.
2) Launches the Preloader.
3) Loads all other application JARs / resources.
4) Launches the application.
 
Now I'm thinking that's only the case for Web Start deployments.  For standalone deployments is it the same as a normal Java application where all of the application JARs are included as part of the classpath?

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JavaFX 2.0 :: Native Package For Mac And Relative Path

Dec 3, 2014

I done a small application with Javafx that start an Embedded Jetty. All works fine in Windows also with native package. Instead in Mac it works only before native packaging. Seems that the problem is how relative path are considered.
 
The tree of the content is this:
myfile.jar
webapp (folder)
libs (folder)
 
Look at this code:
 
                String webAppDir = "webapp";
                File f = new File(webAppDir);
                log.debug("Path webapp folder: " + f.getAbsolutePath());
                if (!f.exists())
                    throw new Exception("The folder " + f.getAbsolutePath() + " doesn't exist");

[Code] .... 

The problem is that before the packaging in Mac the relative path is that where the main .jar is located an so the code works because the webapp folder is found. Instead after the bundle the path became /Users/MyUser/webapp and of course the folder is not found because it is bundled inside the file.app near the libs folder.

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JavaFX 2.0 :: Preloader Not Shown Into Native Package

Jul 28, 2014

After some attempts I seen that my preloader is not shown using native package (Windows and Mac).
 
Running the jar that is run from the file.exe instead I can see the splash screen.
 
This is the relevant part of my build.xml

<fx:application id="fxApplication" name="app" version="3.0" mainClass="it.app.Main" preloaderclass="it.app.preloader.SplashScreenUi" toolkit="fx" />
 
As said, running the jar file instead of exe file the splash screen is displayed.
 
I printed some logs into splash screen class: when I run the app from the jar this logs are printed, instead when I run the app from .exe file these logs are not present.

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How Add Native Libraries For Existing Corejava Project In Netbeans

May 2, 2014

I have a project of biometric integration by java and i have that javaApi with me for that project i need to add native libraries through NetBeansIDE7.4. I am trying like this

Right click on the ProjectSelect PropertiesClick on RUNIn VM Options TYPE
-Djava.library.path="D:/bio-metric/SBXPC_CORE_130330/SBXPCJavaProxy.dll"
press Ok but still I am getting Exception   
java.lang.UnsatisfiedLinkError: no SBXPCJavaProxy in java.library.path

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Which Method Is Used While Passing Or Returning A Object From The Native Method

Mar 5, 2014

Which method is used while passing or returning a java object from the native method?

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How To Execute Jar File

Apr 3, 2007

How can I execute a jar file ?

how can I make such file ?

Will it be executed as an exe file in windows ?

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If Else - How To Not Execute Both Statements

Oct 4, 2014

I am making a program, where the user answers 3 questions and then I add the number of correct answers in to the (int) numberofcorrect variable, then I want to print the results, and no matter how many correct, the program executes first the correct if statement, then the else statement.

Eg: I have 2 correct it will print:

"Grade B, 2 of 3 "

"You failed the test"

Why does it do that? How can I change my code so the else statement dosent print if one of the if statments is allready printed?I want to know how to not execute the else statement, if one of the if statements have allready been executed.Below is my current code for this problem:

if (numberofcorrect == 3){
System.out.println("Grade A, full score");}
if (numberofcorrect == 2){
System.out.println("Grade B, 2 of 3 ");}
if (numberofcorrect ==1) {
System.out.println("Grade C, 1 of 3");}
else {
System.out.println("You failed the test"); }

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The Nested While Loop Will Not Execute

May 21, 2014

//Main method
public static void main(String args[])throws IOException{
boolean runProgram = true;
Scanner keyboard = new Scanner(System.in);
//runs program while runProgram is true
while (runProgram){

[code].....

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Program Compiled But Not Able To Execute

Apr 23, 2014

I am able to compile the below program but not able to execute.

public class String {
public static void main(String[] agrs){
System.out.println("Hello String");
}
}

Output Error:

Class String does not have a main method

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Compiles But Won't Execute - JCreator

Oct 18, 2014

I was typing up this program and when I compile it, there aren't any errors, but it won't advance past the second conditional.

Here's the code:

import static java.lang.System.*;
import javax.swing.JOptionPane;
import java.util.*;
public class area51
{
public static void main(String args[])

[Code] ....

The first two answers are 41 and right.

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How Compiler Picks What Method To Execute

Feb 20, 2014

public class Main {
private static void foo(Integer a) {
System.out.println("Integer");
}
private static void foo(long a) {
System.out.println("long");

[Code] ....

This code prints long. Why is that? How did compiler decided that it likes long version of foo() method the most. If I had to guess I'd pick int... or possibly Integer as they are most similiar to what was passed. But why long?

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How To Execute And Use Win7 Speech Recognition

May 26, 2014

I want to execute and use the Win7 Speech Recognition with Java. How can I open it?

I tried to open it with "Runtime.getRuntime().exec(" ");" but I couldn't find a command to open it. How can I use the speech recognition once I opened it with commands in Java?

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Servlets :: How To Execute Batch And Exe File

Jun 23, 2014

Question : How to execute batch file & .exe file using jsp servlet?I am giving input for blast in the FASTA format. After that i wants to make the sequence.FASTA file in my project folder. And I wants to execute batch file with parameters as blastp.exe file, sequence. FASTA file, database files, output file.

There is no problem in the file creation of sequence.FASTA

ERROR IN: the batch file is not execute, So the I am not able to get the output file for display.

ERROR is : java.io.FileNotFoundException: D:vaibhav_workspace.metadata.pluginsorg.eclipse.wst.server.core mp4wtpwebapps oxin-dataoutputprotein.txt (The system cannot find the file specified)

Technologies Used :JSP,Servlet,Process-builder

I have the following code as :

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out=response.getWriter();
String values=request.getParameter("t1");
ServletContext servletContext = request.getSession().getServletContext();
servletContext = request.getSession().getServletContext();
String path="//sequence.FASTA"; /*file is created in getRealPath()*/

[Code]...

Here the getRealpath() is:

D:workspace.metadata.pluginsorg.eclipse.wst.server.core mp4wtpwebapps oxin-data

My all files in the project folder as toxin-data

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