Java is a general-purpose programming language and a computing platform called the Java Virtual Machine (JVM).

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2answers
4k views

apt-get install - where does it go?

Just a basic question on this utility... I did sudo apt-get install libhtmlparser-java And I would like to see the source I just downloaded. On Linux (Ubuntu) where ought I look for this?
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votes
1answer
585 views

32 or 64 bit class file

I have a Java .class file. Now I want to check it was compiled on a 32 bit machine or 64 bit machine ? I tried file command but it just says it is a compiled java class. Is there any way to find it?
1
vote
1answer
245 views

How can I get this java command to act on each file found by a find command?

I have this command inside a Bash shell script, the intention of which is to apply a java command, htmlcompressor, to each HTML file found in a directory: find $DIR -type f -name '*.html' -exec java ...
3
votes
1answer
393 views

Java on FreeBSD

Is it possible to get the latest Java (Java 7u3 or Java 6u31) on FreeBSD? Everything i found on the internet is outdated. I currently have 6u24 from the packagemanager which works for now but may get ...
6
votes
1answer
17k views

Installing openjdk-7-jdk does not update java (which is still version 1.6)

I am having issues updating Java. I am running Ubuntu 11.10. I can execute sudo apt-get install openjdk-7-jdk and it completes successfully. javac -version is 1.7, however java -version is 1.6. This ...
0
votes
2answers
750 views

Do I have duplicate packages?

I'm on linux mint 12, when i run sudo apt-get update i see: W: Duplicate sources.list entry http://www.duinsoft.nl/pkg/ debs/all i386 Packages ...
0
votes
0answers
348 views

Remove duplicated Java packages

I'm on linux mint 12 I have installed Java, following the NetBeans instructions. It wasn't working on chrome, so I installed it like that: sudo echo 'deb http://www.duinsoft.nl/pkg debs all' ...
1
vote
2answers
3k views

How to uninstall java on Linux Mint 12

Today, I downloaded the latest java jre which is a .bin file By mistake, I installed it on my desktop by running ./jre. I want to remove this installation, move the .bin file to somewhere else and ...
4
votes
1answer
869 views

How do get unix sort to sort in same order as Java (by unicode value)

I shell out sorting to the unix sort command in a Java program I've written. However I am having problems arising from Java's string comparison behaving differently than the comparisons done by sort. ...
3
votes
0answers
341 views

VMO Changes After Adding New RAM To AIX?

We have a server at a client site running AIX 5.3, which we just up the RAM to 32GB, from initially 16GB (if I'm not mistaken). This server is our Application server running J2EE applications on top ...
3
votes
2answers
440 views

Capturing new output after deleting the output file

I'm runnig a java server on Debian with this command: java -jar myapp.jar [args] >> log.txt Once I gzipped the log file to send it and then I realized the original file was gone, leaving me ...
2
votes
1answer
160 views

How to uninstall java from sco openserver 5.0.6?

I have installed Java (J2SE 1.3.1_21) by following this tutorial: http://www.anyang-window.com.cn/in-the-sco-openserver-506-installed-on-j2se-13106-development-environment/ Now, I want to uninstall ...
1
vote
2answers
763 views

Problem installing JDT in Eclipse on linux

I installed Eclipse on Fedora Core 14 using yum install eclipse-platform. I ran eclipse and tried to install the java development tools, but then this error came up: Cannot complete the install ...
3
votes
3answers
833 views

Monitoring progress/liveness of background jobs

I have started a background job. Is there a way to know how it is progressing, and whether it has stopped? My command line is like: java weka.classifiers.trees.J48 -t data.arff J48-data.model ...
1
vote
2answers
368 views

How to log the output of a daemon application?

I have a Java program running as a daemon (thanks to YAJSW, a wrapper for java). The thing is that this java application writes several lines of console text, (simply imagine a Hello World App). If I ...
2
votes
0answers
162 views

Any way for Unix to ignore lpoptions and let Java do it's job?

I'm using the javax.print API to print a Jasper Report on Debian Linux. For some reason the saved lpoptions (CUPS settings) always override settings chosen on the Java Print dialog. At this point the ...
3
votes
4answers
1k views

How to run java process to be seen not as 'java…' in processes list?

Is it possible to run a Java process in Linux in a way that it could be seen in ps as some sort of alias? It would be easier to restart it when it is down.
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votes
2answers
5k views

Looking for a Java class in a set of JARs with find, unzip, grep

I was trying to find the JAR containing a Java Class. JARs are in zip format. My first attempt was: $ find -name "*3.0.6.RELEASE.jar" | xargs -l1 unzip -l \ | grep stereotype.Controller ...
1
vote
1answer
980 views

Debugging Java program for changing timezone configuration file on Ubuntu

Here is a ruby script I wrote to change the timezone configuration on Ubuntu. I run it with jruby (a Ruby interpreter running in a JVM). require 'java' if ARGV.length == 0 puts "Usage: jruby ...
0
votes
1answer
521 views

Enter process running in background/bring to foreground [duplicate]

Possible Duplicate: How can I disown it a running process and associate it to a new screen shell? I started a java client using nohup to get it to run in the background (needed to log out ...
1
vote
0answers
193 views

Rogue Java process brings my computer to a halt

In reference to my earlier post: Is there a log of past threads that are now closed? I gave the process a kill -STOP signal and started examining the details. I can't seem to figure out why it is ...
2
votes
1answer
979 views

Netbeans has no display on my computer

I installed netbeans using zypper install netbeans. Trying to run it, I get the "loading" splash screen which is proceeded by a small popup which asks me if I want to register my copy and receive some ...
1
vote
2answers
223 views

How to zoom into a Java app under KDE4?

I have 200 dpi monitor and this Java is just inscrutinable app small. The desktop zoom effect is cool -- but it doesn't seem permanent? I would like to, basically, change every pixel into 2x2 pixels ...
2
votes
1answer
4k views

How to install java on CentOS VPS through ssh

I wrote a little Java servlet and, in order to run it, acquired a VPS which runs Centos 5. Now, in order to run it, I guess the first thing to do is to install the latest JRE. I have ssh access and ...
0
votes
1answer
690 views

Where can I find Aptana error logs?

Where are Aptana error logs stored in fedora?I want them to see why Aptana crashes. Edit: According to Mat's answer I checked the .log file in .metadata directory but this is what Is added to file ...
2
votes
2answers
862 views

How do I install multiple java command-line programs?

I have a bunch of java command-line programs I've written and would like to install for all users. Building with NetBeans, I get a /dist directory which contains myprog1.jar and a /libs directory ...
0
votes
3answers
1k views

How to set up the DOMAIN_HOME environment variable in SUSE Linux

I am running Java NetBeans 6.9 jdk 6 on SUSE Linux (a newbie on linux) and I currently need to get the path of the weblogic domain of my Java application. I have read that I can directly access the ...
2
votes
1answer
2k views

Is there a tomcat 64 bit version

Is there a tomcat 64 bit version for Linux, I am using Red Hat Linux?.
3
votes
2answers
1k views

How to fix icedteanp plugin error?

I'm using openSUSE 11.3 with "latest updates". I have installed vimprobable and uzbl. Whenever I start one of those two browsers, I get the error message: icedteanp plugin error: Failed to run ...
2
votes
1answer
934 views

Installing Rubymine without sun-java6-jre

I'm using Ubuntu 10.04 and am looking to install Rubymine. It seems every tutorial recommends installing sun-java6-jre before downloading rubymine but aptitude and apt-get are returning nothing, ...
4
votes
1answer
7k views

Run java classfile from terminal

I have a compiled java file somefile.class, and when i cd into the right folder and do: java somefile it works but when i call it from another folder: java folder/somefile it doesn't work, it gives me ...
3
votes
2answers
3k views

Live Linux CD/DVD with Bittorrent client, Java, Flash, VLC?

I'm looking for a live CD distribution that offers me fully featured environment for using Internet and OpenOffice (or some other office app compatible with M$ Word). I thought about installing a ...
0
votes
1answer
451 views

How to execute Zeo Decoder Viewer on Linux?

I'm trying to execute Zeo Decoder Viewer (a Java application) on Linux, and I'm not sure how I'm supposed to do this. I've put the program and required libraries (all in jar files) in /opt/zeo/ ...
1
vote
1answer
369 views

Issues compiling Tanuki Java Service wrapper version 3.1.2 under armv5tel architecture

Basically I need this specific version of the Tanuki Java Service Wrapper to run a specific Java application. I downloaded the source from the Tanuki website and I'm trying to compile it from source. ...
0
votes
1answer
852 views

RHEL/CentOS: Installing a new version of Java, why not just change the path?

I am installing a new version of Java on a CentOS/RHEL Linux distro for a single developer to develop java. The way I want to install on this development system is to just put the new java version ...
1
vote
2answers
1k views

Several versions of JAVA on one PC

I want to use jre-1_5_0_21 on my Fedora 14 box. Here's whats installed on my PC: $ update-alternatives --config java There are 2 programs which provide 'java'. Selection Command ...
6
votes
1answer
3k views

How can i know which unistd.h file is loaded?

I have several unistd.h files in my Ubuntu Linux. I've one on: /usr/include/asm/unistd.h This file has this directives: # ifdef __i386__ # include "unistd_32.h" # else # include "unistd_64.h" # ...
2
votes
2answers
1k views

how to make system service out of .jar file? (linux)

i wrote a little java server which i'm running on my CentOS 5 VPS server. currently i just ssh onto the server and start the jar through commandline. How an i turn this jar into a system service and ...
0
votes
3answers
5k views

Why $JAVA_HOME does not persist on a mac?

On my mac os 10.6.6 I'm trying to persist env variable $JAVA_HOME but it doesn't stick! $ export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home Once I restart it won't ...
0
votes
2answers
2k views

installed java, but java -version not showing new java

I just installed jdk1.6.0. I have tried multiple ways to set the path variable and make java 1.6 my new running version. And nothing is working. Running centos5 virtual machine. alternatives --config ...
1
vote
2answers
9k views

Installing Java into Ubuntu 10.04 Firefox/Chrome

I'm having a really hard time getting the Java browser plugin to install in Ubuntu 10.04. I've tried searching all over the place, but everyone seems to recommend installing the packages that no ...
6
votes
2answers
1k views

Invoke Syscalls from Java

Is there a way to invoke syscalls directly from Java, or is it necessary to first call a native method?