Hi all, I want it so when my users start my program from the command line and then kill the process (ctrl+c, for example) the program will shutdown gracefully by closing all its connections. Is this even possible? I can't just have it call a method upon closing like a GUI can? This program has no GUI. Please let me know. Thanks, jb...
I am working on an enhancement to a Flex dashboard that will allow the users to save searches. I'm using BlazeDS and Java/Spring/SpringJdbc on the server side. My question is this: how would you model a search that has one or more criteria, such as: Value Date between 2009-10-01 and 2009-10-31 Currency = 'USD' Bank Name starts with ...
As the question's title says, I want to get the system information (like OS name, version, etc.) of a remote system using Java. But before anyone answers this question, I just want to ask whether this is possible, if yes, then how? One more catch is that this should work for both Unix-based and Windows-based systems. I tried searching t...
I'm having issues with Synchronized not behaving the way i expect, i tried using volatile keyword also: Shared Object: public class ThreadValue { private String caller; private String value; public ThreadValue( String caller, String value ) { this.value = value; this.caller = caller; } public sync...
I'm having issues with Synchronized not behaving the way i expect, i tried using volatile keyword also: Shared Object: public class ThreadValue { private String caller; private String value; public ThreadValue( String caller, String value ) { this.value = value; this.caller = caller; } public synchronized String getValue() { ...
Am working on a swing app. I will experiance slowness after continuous half an hour of use. can it because of GC running? How can i find when the garbage collector runs through any jdk 1.5 commandline option? Thanks ...
Hi There, Any ideas on the correct method of typecasting an Object out of a getAttribute request from a JSP page HttpServletRequest? I have googled but it seems that the common solution is just sticking suppresswarnings in your code... Something I would very much like to avoid. I currently have: HashMap<String, ArrayList<HashMap<Stri...
So here's some code: statement.executeUpdate("CREATE TABLE SomeTable(id INTEGER IDENTITY, " + "text CLOB)"); which throws an exception "Wrong data type: CLOB in statement [...]". Is there a way to store CLOBs in Hsqldb databases? The documentation says it is. Or maybe my knowledge of SQL is so rusty that I forgot how to define the...
I have a JFrame in which there are 2 textfields and 1 JButton. Users need to enter some string in the textbox. When user clicks the button in the JFrame then these strings get displayed in a JTable. I am not getting what code shall i write with button clicking. Please help me. Thanks. ...
I need to receive and parse some SNMP traps (messages) and I would appreciate any advice on getting the code I have working on my OS X machine. I have been given some Java code that runs on Windows with net-snmp. I'd like to either get the Java code running on my development machine or whip up some Python code to do the same. I was able...
I am writing an application that integrates Geoserver with a custom component, intended to be hosted on a single servlet engine. Both are Maven based projects, and I would like to stay in Maven land to package it all into a nice distributable. The general idea I have is to add another module to my application that packages the applicatio...
I know one can use '<alt><shift>J' to create tags for a single code element (class method for example). But is there a way to automaticaly create these tags for every class in the entire project? Or even just at package or class level? ...
I have a following problem. I am executing an OS command line from within Oracle database that executes an external jar file with some parameters. I can't see shell output but I can connect with a different user to that same server through ssh/ftp and read files. There are multiple versions of Java on that server and I would like to see...
I'm currently writing a Java application to be used with a Windows-Machine authed with an ActiveDirectory. The application basically only needs to know the user's name and hostname. I know there are System.getProperty("user.name") and java.net.InetAddress.getLocalHost().getHostName() But I am not sure wether System.getProperty("user....
Hi, I just deployed a web application on JBOSS 4.2. It can be accessed locally only (http://localhost:8080/myApp). I cant access it from remote computer by typing its domain: (www.hostname.com:8080/myApp). I added Port 8080 as Exception in Windows Firewall. Note that the host (www.hostname.com) is reachable from remote computers via IIS...
Hi! How Can I Insert/Retrive A Java Object Into/From Sql Server? THX ...
I've been profiling some Java software using heap dumps and there is 350 instances of sun.font.TrueTypeFont, in other heap dumps I have taken there have been more. There is only 5 instances of Font created by the app code, and 24 instances in all, mostly created by WDesktopProperties and other Java library classes. Is this number of Tr...
Hi all, I realise that this might be a question that has been asked and answered, but please bear with me. I want to know if it is possible to use annotations to inject code into your classes compile time. The classic example is to generate a getter and setter for the members of your object. This is not exactly what I need it for, but ...
I have a custom EditText and a TextView in an Activity. The custom EditText traps for key presses and calculates the number of character entered and wants to publish the character count to the TextView. Do I use the java.util.Observable/Observer way ? Or is there a more native android method to achive this ? Thanks. ...
I'm using the encode() method from the sun.misc.BASE64Encoder package. How do I suppress the compiler warnings that it generates? sun.misc.BASE64Encoder is Sun proprietary API and may be removed in And as a followup, why don't I see this warning in Eclipse? ...