new_2_java

Hello everyone, I am trying to merge large number of CSV files into one, using the following "awk" command, but if I increase the number of files more than 10,000, it then gives me "argument too long" error. Can someone suggest how I can manage to go beyond the limit? …

Hello everyone, I have 2 JSP files, lets call it 1.jsp and 2.jsp. I have a javascript function in my 1.jsp file, that I am calling 2.jsp, and passing one argument. as follow: 1.jsp function call1Servlet () { var myId = document.getElementById('lblId').textContent; window.open("/myapp/2.jsp?myId="+myId, "", "toolbar=no,menubar=no,resizable=no,scrollbars=yes,width=1024"); } Now, in my 2.jsp …

Hello all, I have data in my MySQL table. some of my columns contains Arabic texts. [My DB and J2EE webapp is on Centos7]. When I tested the application on my laptop [Windows], it displays properly; however, when I deploy my WAR file on Centos linux, then the Arabic text, …

Hello all, I have a J2EE application that displays a dropdown of items, in Arabic text. This data is stored in a table in underlying MySQL server. The DB character set is set to utf8 and I have in my JSP the carset encoding as utf8 as well. This works …

Hello everyone, I am populating a dropdown list in my webapp, from a MySQL database table. There are around 160,000 records in the table. When I start my webapp and when populating the content of the drop-down, it takes incredible amount of time, and eventually the browser crashes. I am …

Hello all, I have a function in JS, that I need to translate in Java to be used in my JSP as part of server side script. I need to find out what's the equavalent of JSON.stringify() in Java? This is my current JS function. This functioin takes a CSV …

Hello everyone, I need to pass some parameters from my servlet to my JSP. I am able to access 2 of my parameters from the request object, but one of them is returning null value. Here's my servlet snipet: request.setAttribute("selectedA", aBook); request.setAttribute("selectedB", bBook); request.setAttribute("book_ref", book_ref); logger.info("book_ref = " + book_ref); …

Hello all, I have an index.jsp that has 3 frames [banner, menu, main]. My menu options are in "menu" frameset, and when I click on a menu option, it calls the servlet, then based on that, it does some processing in my servlet, and forward the request/response to specific JSP. …

Hi all, I have a multi-threaded program. This program, lets say spawns 10 threads. I would like to update a variable when each thread finishes its job. The reason why I am asking this, is because I would like to show something like progress bar (not really a progress bar, …

Hello everyone, I am writing a Java program to reset LDAP account password. I know the password should be quoted passwrod and then encoded in UTF-16. I have a question, if someone can confirm please. I am getting encoded password as follow: String oldPassword = "Password1234"; String newPassword = "Password9999"; …

Hi all, I have a J2EE web application that I am integrating with LDAP to implment Password Reset functionality to allow AD users to change their own password. My code works at times, and sometimes it stops working throwing [code]LDAP error code 52, initializing SSL/TLS error.[/code] I don't know why …

Hi, I'm looking for an java api which can convert .doc file into .pdf file... i need this solution to work without any intervention of MS Office/Windows. If anyone have any idea about such api , please reply. Thanks ahead Daniel

//Hey I need some help //Write a JAVA application that displays a traffic light (three circles inside a rectangle with //red, yellow, and green color) and three buttons with red, yellow and green titles. The //application should turn the appropriate light on when the appropriate button is clicked. Two //lights …

Hi all, I have a java program when I compile it, it compiles fine, without any error or warning. However, when I run it, I get the following warnings. [code] bash-2.03$ javac CountSessions.java bash-2.03$ java CountSessions Writing data to file... Data written to file !! log4j:WARN No such property [maxFileSize] …

Hello folks, I am trying to add a JFrame object into JTabbedPane, but I am getting a java.lang.IllegalArgumentException. Here's my code snipt. [code] // other codes... JTabbedPane tabs = new JTabbedPane(); tabs.addTab("Flight Information",flightInfoPane); <-------------- line 28 // other codes... private FlightInfoPane flightInfoPane = new FlightInfoPane(); [/code] Here I have flightInfoPane …

Hi all, I am trying to compile a servlet, and am getting the following error. [code] C:\Program Files\Apache Software Foundation\Tomcat 5.5\webapps\flatironswp1\WEB-INF\classes>javac export\ExportUtil.java export\ExportUtil.java:5: package javax.servlet.http does not exist import javax.servlet.http.*; ^ [/code] and here's my code: [code] package export; import java.io.*; import javax.servlet.http.*; import javax.servlet.*; public class ExportUtil extends HttpServlet …

Hello... I am pretty new to Java and I am experiencing some frustration with loops. I have a few problems here and I hope that you guys could point me in the right direction. My first problem is with the looping in the program below. No matter what is input …

Hi all, In my program I need to create 2 log files, success and error. But I need to create either one of them, depending on the out come of the program execution. In other words, if program fails for any reason, I need to create the error log file …

Hi all, I have a program, which is invoked from a shell script. I need to return back to the shell script a status, whether the program succeeded or failed, so the shell script determines whether to continue with its normal course of actions or to stop upon faileur. So, …

Hi all, I am trying to execute a windows command from within my java program, but I can't get it to execute the DOS command. Here's my code: [code=java] try { Process p = Runtime.getRuntime().exec("cmd.exe /C cls"); } catch (IOException e) { // catch exception } [/code] But, the code …

Hi all, I have set up a project in Eclipse 3.1 and am using java 5.0 compiler. Here's my folder structure in Eclipse [code] DFS\RemoteClient\TestClient.java DFS is the project in Eclipse [/code] and this is how it looks my java class [code] package RemoteClient; import java.util.*; // other imports public …

Hi all, I have a frame, which has several tabs. I would like to perform some actions, when user clicks on a tab. Can someone please tell me what's the event that I should look into? Thanks in advance.

Hi all, I have a simple JFrame windows with two JLabel, two JTextField and two JButton. I use SpringLayout to display controls in on the frame. But when I run the application, the windows is displayed in a very small size. Only the two buttons are displayed. But when I …

Hi Folks, I am making an RMI call to a remost host (Weblogic) and am getting the following nested exceptions [code] weblogic.rjvm.PeerGoneException: ; nested exception is: java.rmi.UnmarshalException: Incoming message header or abbreviation processing failed ; nested exception is: java.io.InvalidClassException: com.ic.framework.exceptions.ExceptionLevel; local class incompatible: stream classdesc serialVersionUID = 2325229144791754421, local class …

Hi all, I have a threaded program, which migrates contetn from one repository to another. The program works fine, when I test for small number of documents, say arround 10 or 20. But when I increase the number of documents, then I get [B]java.lang.OutOfMemoryError[/B]. I can't seem to figure out …

Hi all, I have an HashMap with key/value pair. The program processes each element of the hashMap, and should mark the HashMap element as "processed". i.e. I have the follwoing key/value pair. [code] 1/"090003453bc454" 2/"090003453bc455" 3/"090003453bc456" and so on... [/code] So, when the program process each element, it should mark …

hi guys i have quiestion. i m using hashmap and now what i have to use hashmap value and put that in the int variable, can u guys help with that. i just need some hints so i can work on that. thank you

Hi all, I am getting the content of an object which is returned as [B]ByteArrayInputStream[/B], and then I am assigning to another object, which accepts input as [B]ByteArrayOutputStream[/B]. Can someone please suggest as how can I convert ByteArrayInputStream to ByteArrayOutputStream... Here's my code: [code=java] ByteArrayInputStream b_input = source_object.getContent(); // how …

Hi all, I have to write a synchronization utility which synchronizes a target folder with a source folder: i.e. I have the following source directory structure and would like to synchronize it. [code] C:\source\ | +----Folder_A | | | +---Folder_A1 | | | | | +---File_AA1.txt | | | +---FileA1.txt …

Can someone tell me what jar file do I need inorder to use the above class?