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

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460 views

Programmatically creating .desktop file to autostart application

Using a Java program, I added a .desktop file in /etc/xdg/autostart to run a script when a user logs in. The script didn't run at user login, and when I checked the start up applications dialog ...
1
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1answer
285 views

Why All the text is invisible in Intellij? [duplicate]

I have installed manjaro and intellij. For a couple of month now I had no problems at all and I was fine with that. Since yesterday I experience a strange bug. The whole text is gone. What I tried ...
2
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1answer
164 views

Using pkg add with a NanoBSD image

I'm running into a problem on a NanoBSD installation where I cannot install openjdk7 via pkg add because it first saves to either tmp or var (not sure which) and on a NanoBSD installation, there is ...
3
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2answers
784 views

Java doesn't show menu text

I startet netbeans/intelliJ/squirrelSQL after I didn't use it for a few days/weeks and now the menu doesn't show text. There are just the underlineds. My system: ArchLinux (everything up to date, ...
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0answers
86 views

Use FindBugs in Eclipse from terminal on Ubuntu

Is there any way I could use Findbugs from terminal to get all the bugs in my Java code and print it out to a text file? I want to write a script that goes through 100 java files ( this is already ...
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2answers
10k views

Java code to copy files from one linux machine to another linux machine

I'm looking for java code to copy files to a remote linux system. I have tried Runtime.getRuntime().exec() function by passing an scp command, but each time I run the program it is asking for the ...
2
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0answers
454 views

Java plugin not working with FireFox 24.3.0 on Red Hat Enterprise Linux 5.10

In the about:plugin tab, there is not Java plugin. I have created the symbolic link as suggested. The output of the 'ls -al' command is: lrwxrwxrwx 1 shehab shehab 58 Jun 4 11:21 libnpjp2.so -> ...
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3answers
273 views

grep on a Java Method

Lets say I have a java class called DirectAction some of the methods in the class have the word "action" or "Action" What is the grep command to get the names of all the methods who have "Action" or ...
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2answers
301 views

Run jar on startup in all *nix based systems

I have a jar file which I need to run at startup in all distros of Linux. My previous question here, gave me an idea a rough idea on X-servers. Since I wasn't able to perform startup, I moved on to ...
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2answers
613 views

Porting jvm into the kernel space?

Currently I am playing with the idea of a jvm running in the kernel space, as a (maybe linux) kernel module. I see a lot of advantage of the idea. Of course the biggest advantage of a such system ...
2
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2answers
8k views

How to Install Oracle Java7 in Ubuntu13.04

I am trying to install Java 7 in Ubuntu 13.04 using this tutorial. Preparing your system First you need to remove openjdk for this run the following command from your terminal sudo apt-get ...
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1answer
786 views

davmail and JAVA INSTALLED MANUALLY

I'm trying to install davmail, I've already install JAVA manually (tar.gz file). After trying with the ppa:webupd8team repo and not having good results. Had to clean a lot of files packages and so ...
2
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1answer
53 views

Update Oracle JDK

I know, there are several ways of installing ORACLE jdk7 on Debian. One way is to use the ppa from the web8updteam but i've read that installing software from ppa is not recommended on Debian. (is ...
4
votes
2answers
235 views

Lots of processes killed by SIGTRAP

Since yesterday, my Linux (Fedora 20) randomly kills processes for no reason at all (at least from my point of view), and the bugs reports say that all these processes are "killed by SIGTRAP". It ...
2
votes
1answer
251 views

A file exists but executing it doesn't work

I downloaded a Java tarball, extracted the archive and copied over scp to a remote machine. Using the ls command, the java executable exists: ubuntu@Ubuntu:~$ ls -la /home/ubuntu/jre1.7.0_55/bin/ ...
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1answer
629 views

How to run jgrasp on ubuntu?

I have problems with jgrasp. I get the following error message when I run it. ----jGRASP exec: javac -g R.java ----jGRASP wedge: could not execute javac ---- error number 2. ---- ---- ...
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0answers
208 views

Measuring context switches of a LWP gives incorrect results. Why?

I have a Java thread pinned at my cpu core. It is busy spinning and I see through top that it is running fine: %Cpu0 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st %Cpu1 : ...
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1answer
403 views

I`ve installed sqlite. Now where should i find it? How to make connection from java? [closed]

I have Linaro 12.07 (Ubuntu 3) I`ve made sudo apt-get install sqlite3 libsqlite3-dev libxml2-dev g++ ncurses-dev and Linaro says: libncurses5-dev is already the newest version. libxml2-dev is ...
5
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4answers
23k views

java plugin does not work in chromium-browser (all possible attempts exhausted)

I was using google chrome browser on Ubuntu 12.04 machine, recently I needed to switch to chromium-browser. I am using the version that is available on the Ubuntu software centre. The problem is that ...
0
votes
3answers
8k views

How to write a Java Program / Shell Script combination such that you can call the Java program as a remote command and yet supply a local file?

This is related to How to execute a remote command on a local file? I wrote a simple Java program that prints the first line of a file - import java.io.BufferedReader; import ...
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1answer
4k views

What is the difference between JAVA_HOME and update-alternatives?

I have been trying to figure out the best way to run OpenJDK Java Runtime as default Java for my Fedora box and use Oracle JDK 6 for Android development namely for running Android SDK Manager, Android ...
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2answers
156 views

UDP sending two strings in a datagram

I'm wondering if its possible to send two strings within one datagram in a UDP packet. Assume I had string 1 with text: unix and string 2 with text: linux. I don't want to merge the strings but keep ...
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1answer
781 views

ADT bundle not installed in ubuntu 12.04

I downloaded ADT bundle from android developer site. Bundle name is :- adt-bundle-linux-x86_64-2014031.zip It contains eclipse, and sdk folder. In eclipse folder, there is one eclipse executable ...
3
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1answer
47 views

program executing for 2 days

I have a java program which implements the Hungarian algorithm. I made changes to the existing code in such a way that the input is read from file. I have a pretty huge input around 32,000 rows for ...
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0answers
93 views

Shell script time output over java enviroment

I am running a script from java program using sshxcute API. Script contains: #!/bin/sh data=`stat -c%y filename` echo $data Script running on bash gives output: 2014-03-08 13:26:29.335545828 -0800 ...
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0answers
134 views

Flipping Control/Command in GNOME breaks Alt key in JVM

I want to switch Control and Command modifier keys in GNOME / Debian Jessie, because I use a Macintosh laptop. I have managed to get these changed via the TweakTool -> Typing panel, like this: Ctrl ...
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1answer
686 views

Run Java in a chrooted jail

I'm on a CentOS 6.5 machine with Plesk Panel which I used to create a chrooted environment for a user who can access it via ssh. I'm not a big expert but somehow I managed to let him use some basic ...
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1answer
42 views

Which kind of additional cleanup may be required after removing manually added entries from /etc/hosts?

My system is "Unable to resolve" removed entry from /etc/hosts. During development, I needed to add the custom domain entry to /etc/hosts, stating it resolves to 127.0.0.1. This mapping worked fine. ...
5
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5answers
19k views

installing Oracle 11g r2 on linux 6.1

I am trying To Install the Oracle 11g r2 on Linux 6.1 but i am Not Successful since a couple of days.When I have done all prerequisites for oracle 11 g .But When I run The Installer I got this Error ...
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0answers
60 views

Assistance applying poorly packaged patches?

I manage a handful of servers running the various roles of a Ahsay online backup solution. A few times a year the software is updated and I need to apply patches on my servers. Annoyingly the ...
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1answer
3k views

Install java, tomcat7 or tomcat6 on RHEL5 centos5

I wish to install tomcat7 on centos5 sticking on yum but I have --> Finished Dependency Resolution java-1.6.0-sun-compat-1.6.0.03-1jpp.i586 from jpackage-generic-nonfree has depsolving problems ...
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3answers
6k views

What's the easiest way of installing JRE on Debian?

What is the easiest way of installing JRE on my Debian OS (Linux)?
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1answer
57 views

How to prevent .jar files from going into /etc when installing OpenJDK from rpm?

After I found and installed OpenJDK in Fedora 20 using Apper I noticed there is a series of directories starting with jar prefix under /etc/alternatives, specifically: /etc/alternatives/jre (93,4MB) ...
2
votes
2answers
957 views

How can a normal user trigger a root cron task to execute immediately, without delay?

I have a root cron task that runs every day. But I want to allow normal users to request that it run immediately, if they so wish. It is a harmless process and it can run as often as needed and these ...
1
vote
1answer
391 views

Editing the .profile file to access

I am trying to source my .profile file to easily access a directory of javatools. The bash code below seems like it should work but it does not. Any help troubleshooting this script would be very much ...
0
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1answer
613 views

Unable to override the JAVA home in opensuse 13.1

What I did : made an entry in both ~/.bash_profile ~/.profile export JAVA_HOME=/usr/java/jdk1.7.0_51 export PATH=$PATH:/usr/java/jdk1.7.0_51/bin still system points to some openJDK installed by ...
0
votes
2answers
264 views

Safenet Authentication Client Tools error when Reboot or restart the eTSrv- and pcscd-services

Command: sudo /etc/init.d/eTSrv start Starting eTSrv daemon eTSrv /usr/bin/eTSrv: error while loading shared libraries: libeToken.so.8: cannot ...
3
votes
1answer
556 views

How do I change the Java Security level?

We've got an ancient (internal use only) self-signed app that refuses to run now with the changes to the JRE. Working on getting a code signing certificate and rebuilding it, but that's horribly slow ...
0
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1answer
652 views

Java/malloc memory corruption error when running SDK Android Manager

I want to install Android SDK, so I manually installed Java JDK 7u51, downloaded SDK ADT bundle for Linux x64, and tried to run it. When I run android, the SDK manager windows hangs halfway through ...
0
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1answer
334 views

Shutdown Red5 failed on every attempt

I'm at my wits end. I have asked everywhere. I've uninstalled - reinstalled countless times in countless different ways and STILL Red5 fails to shutdown. Can someone please give me a clue? Not even ...
1
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1answer
3k views

How to restart Java with a specific argument?

While running my Minecraft server, I noticed the following message outputted in the console. 24.01 02:11:04 [Server] INFO Warning, your max perm gen size is not set or less than 128mb. It is ...
0
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1answer
982 views

java add to the path

I have some .jar files in a directory, /home/unix/dfernand/bin/picard/picard-tools-1.106. But when I add the directory to the PATH and CLASSPATH in my bashrc, java still does not recognize the .jar ...
1
vote
1answer
193 views

How can I build android on my debian while using eclipse ? (java dependencies problem) [closed]

I would like to compile a build for my android device (N4) with my debian (jessie). I read that I must have Java 6, but eclipse which I sometimes use seems to need java 7. For example, I uninstalled ...
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4answers
32k views

Java “Could not reserve enough space for object heap” even though there is enough RAM

I am currently having some issues running Java. It won't start because of heap issues. But I have more than 9 GB Ram free (or even 16 GB if you assumed the cache would be empty). This is the error I ...
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1answer
2k views

Cannot start Glassfish server on CentOS 5: port is supposedly in use, but it really isn't

I asked our sysadmin to install CentOS 5 on a virtual server within our company, on which I plan to experiment with Glassfish. The server is up and running, I can ssh to the server, and I do have root ...
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1answer
264 views

Java is constantly generating an error log in my home directory?

I have started to notice that whenever I use a Java-based application on Fedora 20, whether it's a game or Eclipse or something else, it will always generate an error log of some sort in home ...
9
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1answer
905 views

How to fix Java applications mouse pointer offset in Awesome WM?

How to reproduce in Awesome WM v3.5.2 through 3.5.5 (so far): Install OpenJDK or Oracle Java 7. This bug has been observed with both. Start a new Awesome WM session with the default configuration. ...
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1answer
641 views

Java fails with “Could not find the main class”

I want to run a jar file in Linux (CentOS, 32-bit). But the following error occurs. What is the reason? [root@server ~]# java -jar keygen.jar Exception in thread "main" ...
0
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1answer
317 views

Codeswarm software project visualization: how do you set it up with opengl rendering on a contemporary 64bit Linux system?

The Codeswarm project provides a software project repositories visualization tool in Java. The software leverages the commit information from a log generated from a repository. The rendering ...
6
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2answers
1k views

How can I install Sun JDK on a Debian based system?

I can't find any .deb packages for Sun's Java Development Kit. How can I install it on my Debian machine without causing conflicts with the already installed openjdk packages?