helloI have a problem related to the system date(the date from JVM)How can I change dynamically the date of a JVM?my problem: I have to create a test case fora triggerI want to create an object, and I need to changethe date to see the resultI want to create a 'contract' object whichwill ...

HiI have a Method object and I call getReturnType() to give me the class of what it returns. I then need to see if the value returned is equal to another value or not, using .equals() preferably. The trouble is, a lot of the time the return type is a primitive, say 'int' and so I need to be ...

I'm working on a web site using Servlets with MSSQL Server as back end.The problem is that the site gets hanged up once we browse it continuously for some time .There were times when we got them working for almost a day.WE have hosted the site through a vendor using Java Web server in Windows ...

We use the JAVA Native Interface to communicate with C++ Objects.To transfer Strings from JAVA to C++ we use:const char *cText = env->GetStringUTFChars(parText, 0);For most of the Strings it works but for the german Umlaute it returns wrong values.We use the JAVA version:java version ...

I'm trying to write a class that stores a list of field names, takes an object as a parameter, then builds a string based on the values contained within the field names stored in the array.The class uses reflection so that I can pass any object to this method.To keep things simple, I am only ...

I create a sax parser to which I send the InputStream from the socketBut my HandlerBase never gets the events. I get startDocumentbut that is it, I never get any other event.The code I have works just like expected when I make the InputStreamcome from a file. The only differeence I see is that ...

Below is the code being used to authenticate to LDAP. When I set SECURITY_AUTHENTICATION to "none" it compiles and runs fine, but when I set it to "simple" to have it authenticate with the password to produces the following error:Authentication Exception: [LDAP: no such object]Unfortunately, ...

Issue 1. The ByteBuffer class defines methods that can create views of a given ByteBuffer such as:CharBuffer asCharBuffer()DoubleBuffer asDoubleBuffer()LongBuffer as LongBuffer()... etc.Why is there no corresponding method in the view buffer classes to create a ByteBuffer view? The NIO class ...

Hello... I'm having a bit of a problem with a readLine() statement, and hopefully someone can help me out with this. Just for your information, I have tried this with both a DataInputStream, and a BufferedStreamReader, and have the same results either way. To begin with, here is the snipet of ...

Receiving this error, even though the email address specified is valid:Any ideas?Assert failed: javax.mail.SendFailedException: Sending failed;nested exception is: javax.mail.SendFailedException: Invalid Addresses;nested exception is: javax.mail.SendFailedException: 550 5.7.1 You Are Not ...

Why I can not retrieve special characters like accents, spanish chars, etc. through an HttpRequest? Instead of the special char I want to retrieve it always changes them to another symbol. For example (nio, informaci n)Is there any way to do it?Thanks in advance

Hi,I have a set of classes , one of which exclusively deals with Disk I/O. My other classes call this specific class quite often.The Problem is that whenever one of the outer classes has called the I/O class, the I/O class performs it functions and then 'dies'. Now if another class calls it ...

Hi everyone,we have a webpage running on java web server 2.0 on a Saloris system and rmi server running on another saloris system. For some reasons the connection is failed recently but there is no java programs been modified since last year in Aug. It seems the RMI server runs successfully and ...

I need to be able to list all of the current sessions on my computer. I need to find the name of a session so that I can pull the username from it. How can I get a list of all sessions? Is there a way to disable all the sessions, and then go in and create the session I need? Please Help!! ...

Hey...I don't know much about the way little indian and big indian format works. All i know is the way the calculations are done in memory differ in both. What i'm trying to do is read a file of bytes into a buffer. Then add the buffer to find the checksum. The return is of type int and in ...

I want to convert an ArrayList to a String arraythe error I get is thisError #: 354 : incompatible types; found: java.lang.Object[], required: java.lang.String[] at line 51, column 39can some one shed some light pls

Hello all,First off thanks for your help if you are going to respond to this, i really appreciate it.Now to my problem.Currently have a RMI server and RMI client that work when run from the command line. I set up the java.rmi.server.codebase property to the website on the local machine, and ...

Hi!Can enumerate all thread are waiting before a synchronized ?Thanks!

Dear Readers,I develop Client Server Applications. I would like to know how we can access the hard disk from an application so that I get the Serial Number of the Hard Disk, the Floppy Disk number, CD Rom Drive Number and Network Card Number.Please suggest.Yours Truly,Sarwottam ...

Hi buddy's How Custom JSP tag allows you to execute scripts on your host with NT

hi all,How to read first byte character of a given string is fall between 'A'..'Z' and 0..9?please help and thanks.elvis,scjp

I am new to CORBA Programming. Are the below errors very common errors occur due to some misunderstanding on Java ORB & CORBA Programming?ERROR: org.omg.CORBA.MARSHAL: minor code:0 complete: Maybeorg.omg.CORBA.MARSHAL: minor code:0 complete: Maybeat ...

HiI have this multi thread applet. When I run it, it runs fine for some time. After a couple of minutes the threads hang up. Does it have something to do with timeout. Please help me on this.ThanksJayanti

can we achieve all the functionality by programming in Swing,than what we get by JSP.moreover can we develop a website in Swing?

HiI am having a problem to run ant and j2ee in my machine. I followed the instructions for installation of ant and did the following:Assuming ANT installation dir : d:\java\ant13Path = d:\java\ant13\binANT_HOME = d:\java\ant13JAVA_HOME = jdk installation dir(1.3)CLASSPATH = I put j2ee.jar which ...

I have a tablewhose cells are editabel.i want tomakea function for find a string)from table cells) and replace itwith some other string..how to doit?

One of the requested features in the Bug Database is covariance and contravariance. Although I think covariance of return types is easy to achieve without modifying JVMs, contravariance of parameter types might be more of a problem.Take the following inheritance structure:C extends B extends AY ...

hello,I want to send a file, that is in a directory of a web server, to de client. I want do it with a servlet, but I dont know how do it.Thanks

What is the best java compiler for some one who has been using a visual basic in window Envirenment. I mean, graphical java compiler. I know already Jbuilder4.0, but not suite to my applications.ThanksAbu_ramla

Dear All,I have an application on which, from client side I want to give some command (e.g. Dir, del *.class etc). Then I need the output of that process. But it is giving exception. I am using RMI for that. How to achieve this? Anybody have any idea? I am attaching the sample also.Thanks in ...

How can i get all classnames in a package at run-time?regardsReinhard

I want to write an application with an windowbeing always on top. Thus, any other windows will not cover it. Does anyone know how to achive this?thanks

Can someone point me towards a technical documentation of the Sun Solaris JVM, more specifically how it handles Java Threads? Are they implemented as threads or processes, how are the shared variables handled (common memory space?), etc.?I need the info for a project evaluation. ...

I have an application server that uses rmi that runs fine in unix (several varieties), Windows 95, Windows 98, and Windows NT 4. It fails on Windows 2000.All the other OS's return the fully qualified hostname for the call server.rmiHost = ...

HII have problems serializing a JInternalFrame. The exception is:"java.lang.Error: Do not use javax.swing.JInternalFrame.setLayout() use javax.swing.JInternalFrame.getContentPane().setLayout() insteadat javax.swing.JInternalFrame.createRootPaneException(JInternalFrame.java:400)"but the ...

Hi - I am writing a GUI for my clients and one of the things my program must do is run a perl script. I am able to run perl.exe but it seems like perl.exe is not running the script. I also tried to put the perl script in a batch file and then call the batch file from my java GUI program. I ...

Hello.I have an object that can be used remotely in 2 different roles. So I have 2 remote interfaces for it.It seems ok to me. When looking up for this object I just cast it to one of the 2 interfaces. I wonder if there's any reason why I should't use 2 remote interfaces for one object? I'm ...

I am having a problem trying to bind a remote object to the WebSphere 3.5 JNDI name service (com.ibm.ejs.ns.jndi.CNInitialContextFactory). When I use ctx.bind(name, object), I am getting a java.lang.ClassCastException.Would be really grateful for any help as it is driving me mad!Lyndsey ...

Hi,Q: What API should I use to implement modem dialer functionality,basically to access Internet (PPP), only dialer functionality isrequired? How to access modem dialing functions in Java? thanks.

hi, I am new to the java.io and had a question aboutreading certain bytes into a buffer.DataInputStream in;Byte buffer[] = new byte[MAX_BUFFER];in.read(buffer);Here I have to predefine MAX_BUFFER in order toread from a stream, can I know the size of the inputin advance of actually ...

I wrote asmiple rMI client /server each accessing one method on each side. I ran it last night.Tonigh without touching the programs I compiled them again using javac...and they are not compiling. It doesnt recognise the interface.strange.

I have gone thru the jni tutorial and I understand the HelloWorld example... my problem is, in the tutorial the java part calls a C program that they then write... I need to call an existing program that is not written in java? I have this program's header file and that is all.How do I use ...

Does anyone know of any way to create page breaks using the RTFeditor and the DefaultStyledDocument. I have tried to do this by adding the text "\page" to my document but it doesn't seem to be working. Thanks in advance,Byron

Hi,Is there any specific 'event' that is called whenever a class is unloaded from memory. I mean if I want to do something speacil like cleaning up objects or writing to disk, I would like to do it when my class unloads. Is there a way to achieve this effect?Thankx in advance... ...

Hey..I have a dialog with 3 radio buttons and one textfield. Now i've had the requestFocus on the textfield.I already have something typed int that textfield by default, so when thefocus is set to that textfield, it goes tothe beggining of the text, i mean thecursor. How can i end up putting ...

I'm trying to create objects of a class whose name depends on a runtime database lookup. So my code looks like this:package com.mycompany.ourproduct.ourpackage;. . .String className = rs.getString(1);Class c = Class.forName(className);. . .When I run the program, I get a ...

[code] /** *The function which build the category tree */ public String categoryTree(Statement stat, boolean isMore, int id) { if(!isMore) { return ""; } else { String sql = " select t_category_relation.category_relation_id, t_category_relation.level_in, " + " t_category_item.category_item_id, ...

When I try to read the serialized objects in UNIX from NT application, java.lang.ClassNotFoundException is thrown. I get a message "object not visible from this context" when is.readObject() is executed.Thanks in advance, Bulent Ugurlu //Declare the local variablesjava.net.URL url ...

I have a super duper java guru question:Given a class object (or equivalently a class name and it's respective class loader), is there a way to determine if any instances of this class exist in the VM? I don't care how many, I just want to know if there are any at all. Perhaps another way to ...

I'm having great difficulty trying to pass data structure ptr's as object ref's through (*env)->CallVoidMethod(): I believe the memory is getting released by the DLL by the time the Java method executes, or I'm just lost beyond words. Here's the src. Java && C sides...TestData ...