jre

Set Java Application's virtual machine max memory without access to VM parameters because of custom launcher?

I'm using a Java application which allows you to import custom files. On import, these files are loaded into memory. The problem is that the files I want to import are very big, this causes an OutOfMemory exception. The crash log also informs me that the VM was started with the java parameter "-Xmx512m", I want to alter this to "-Xmx102...

Installing Hudson remotely?

I'm trying to install Hudson on a server. The article here says to just do java -jar hudson.war and it should install to the server. This is pretty straightforward to do on a local computer, but I want to do it on a remote website host that I manage via cPanel. So how on earth do I do this? I really am a newb when it comes to this sort o...

Checking JRE version inside browser

Basically, I'm wanting to figure out the best way to check the user's JRE version on a web page. I have a link to a JNLP file that I only want to display if the user's JRE version is 1.6 or greater. I've been playing around with the deployJava JavaScript code (http://java.sun.com/javase/6/docs/technotes/guides/jweb/deployment_advice.ht...

Am I compiling with x64 JDK?

Hi, Do I have the 64 bit of JDK installed on my machine? My java -version says: C:\Documents and Settings\Administrator>java -version java version "1.6.0_20" Java(TM) SE Runtime Environment (build 1.6.0_20-b02) Java HotSpot(TM) 64-Bit Server VM (build 16.3-b01, mixed mode) Should I expect a performance improvement in using a 64 bit co...

Peculiar JRE behaviour running RMI server under load, should I worry?

I've been developing a minimalistic Java rich client CRUD application framework for the past few years, mostly as a hobby but also actively using it to write applications for my current employer. The framework provides database access to clients either via a local JDBC based connection or a lightweight RMI server. Last night I started a...

jre 1.6 check and progress bar in inno

Hello, I want to check whether hre 1.6 or higher is installed or not. If installed I want to progress my application. If not installed , I want to install jre-6u17-windows-i586-s.exe after successfully installing jre , my control not returns to inno again. Please send a inno script for that. best regards SOumen ...

[Grails] Can i run a grails war under tomcat ina machine without JDK ( Only JRE ) ?

question: Can i run a grails war under tomcat ina machine without JDK ( Only JRE ) ? i have a grails app that works fine in: grails run war. also in a separate tomcat server in the same computer. when i deploy this .war on a server, That has JDK, i have no problem. when I try to do this in a server that only has JRE, the aplication ...

What is the difference between the JRE and JVM?

I think the JVM is similar to the .NET Framework, correct? Then what is the JRE? Thank you! ...

Does JRE has diagnostics tools?

Hi. Does anyone know if JRE (not JDK) has diagnostics tools, such as jps, jstack, jhat and so on? Or these tools only present in JDK? Thanks. ...

can't generate sequence diagram from running code - Enterprise Architect

Hi SO, I'd like to generate sequence diagrams with EA. I set up a build script, the debug section looks like this: jre=C:\Program Files\Java\jdk1.6.0_20,-Djava.class.path=C:\path\to\my\app When I try to debug it (which is needed for the diagram generation), I get the following message: Failed to load C:\Program Files\Java\jdk1...

BlackBerry Library problems. (jre6 + NET_RIM_BLACKBERRY)

Hi Everyone, I'm new in blackberry environement programming, I'm developing an application for this device and there are some probs about libraries that I don't understand. I have the main project called: npoBBerry - his library is NET_RIM_BLACKBERRY (from 4.6.1 version...) it includes other two projects: Npo - his library is standar...

Install a 32-bit JRE on Windows 64-bit platform

I have a Windows 2008 64-bit server and I have to install a 32-bit JRE, because my Java application uses 32-bit DLLs using JNI. Unfortunately the java.exe is installed to C:\Windows\SysWow64 and when I start a console window or a batch file the installed java.exeis not found. (Because cmd.exe is a 64-bit application and sees the 64-bit ...

what \bin to add to system Path env var from a jdk

If you install the latest java 1.6 jdk, without installing the public jre option, you end up having two \bin dirs with java.exe: %JAVA_HOME%\jre\bin %JAVA_HOME%\bin if you compare those dirs, there are a few files that are identical (java.exe etc), and a bunch that are either in one or the other. So far I used to add %JAVA_HOME%\bin...

Moving a Java JAR file to a new machine

I have a Java program that connects to com ports when it's running. All I have is a .JAR file. I recently attempted to move this from a machine that the program runs on to another machine. I know the serial devices work on the new machine because I can interact with them thru a program called Putty. When I execute the .JAR file it comes ...

gwt check if jre is installed

I have a simple java applet that is invoked from gwt application. Is there a way to check the GWT code if jre is installed? ...

m2eclipse: Eclipse is running in a JRE, but a JDK is required

Hello, I have a problem with m2eclipse (0.10.0) together with eclipse galileo (Build id: 20090920-1017). I always get the error message:"Eclipse is running in a JRE, but a JDK is required". I have tried several things, but nothing works. The error message is still there. Here are the things I have tried: In Window>Preferences>Java>Ins...

Why was JRE /JVM not developed in Java?

Hi, I came to know that JRE /JVM was not built using Java. The Sun JRE was built in C and IBM JRE was built in SmallTalk (First Object Oriented Language). Pleas help me with answer. Thanks in advance. ...

Java / XSL: Transformation result different between jre 1.5 and jre 1.6

I have just been working on an old Java app and switched the jre from 1.5 to 1.6. The app uses xsl to transform xml to html and this had been working fine until I changed the jre. Here is a extract from the xsl and xml: XML <link href="Uml&amp;#228;ut.txt" target="_blank"> <style tag="text">Umläut.txt</style> </link> XSL <xsl:t...

Detect JRE before running Java Application

How to detect JRE when it is not registerd in registry? Is there any solution? ...

Java Breakpoint being ignored in MyEclipse 8.5 .... Using JRE 1.6.0.20 and Tomcat 5.5.25

I have scoured the web and stackoverflow and didnt find anything specific to 1.6.20 so I am wondering if I am the only one seeing this... I am building a JSP based on SUN JRE 1.6.0.20, Tomcat 5.5.25 and am using MyEclipse 8.5 . After running my Servlet a few times through the code/debug cycle, the IDE just starts ignoring all breakpoint...