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

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How to make aptitude recognize Oracle Java as a valid java dependancy

I have Oracle Java 7 on my Debian. I want to install tomcat server using aptitude, but it keeps trying to install icedtea, and unnecessary java related packages, is it possible for aptitude to know ...
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40 views

Tomcat unable to create file in dir owned by same group

I have a server running Tomcat, and I need Tomcat to create a file in a particular folder. Tomcat (technically a Java app) runs as the user 'tomcat', as evidenced by top: #top 1251 tomcat 20 0 ...
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60 views

Is possible to change the value of '.' without actually change the current directory? [closed]

Can I make the value of . to be a different directory from the current directory? Background I'm learning Java. In the directory of my program, I have two sub-directories, src and bin. Every time I ...
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1answer
61 views

How to use both 32 bits and 64 bits Java on Debian?

I am running Linux Mint LMDE on a 64 bits machine. I have installed OpenJDK 64bits: 7u21-2.3.9-5 which is used by some applications. IceWeasel has Iced-Tea 1.3.2 plugin installed (64bits). Now I want ...
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1answer
64 views

NetBeans : Can't build Java project

I installed today on my old developer PC NetBeans (the newest) and I cloned my repo from BitBucket (I began coding with NetBeans on Windows 7). I tried to make a clean build, but the compiler has ...
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1answer
41 views

Interactive Shell Session from Java

I want to run a series of commands from Java. I came across few forums that explain how to execute multiple commands using getRuntime().exec(command) and defining command as String[]. But I want to ...
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26 views

How to modify ENV in Solaris 10 [duplicate]

I wanted to edit the contents of environment when entering this "ENV" in terminal. I googled this but so far none of the solution offered works in my end. The closes solution that i got was to edit ...
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3answers
151 views

Solaris jdk 7 installation error java -version No such file or directory

Am trying to follow this website for instruction on how to install jdk for Solaris 10 with the following information: $ isainfo -v 64-bit amd64 applications ssse3 tscp sse3 sse2 sse fxsr mmx ...
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13 views

Why is my application being cut off?

I'm running a Java based application on Ubuntu 12.04 LTS, and for some reason it keeps getting cut off in the top left portion of the screen. I'm running this in VSphere, with VMWare Tools installed. ...
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2answers
113 views

How to find where is $JAVA_HOME set? [duplicate]

I'm a beginner with linux. I'm trying to change the value of $JAVA_HOME & I just can't seem to find in which file is it being set currently. I can't remember where did I set it the last time. ...
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1answer
29 views

Sending a tab key event using applet to a unix machine?

i have an applet , that interacts with a remote unix machine . Everything works fine . I'm following the ganymede-ssh code . below is the code excerpt . session = CLIUtil.createTerminal(); if ...
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1answer
663 views

Error while loading shared libraries: libdl.so.2 (and others), no such file. Libraries exist

Attempting to install a Java application from a .bin file. When opening the installer from command line, I see these errors: [boxen]# ./ZendStudio-5_2_0.bin Preparing to install... Extracting the ...
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1answer
119 views

Where can I set global Java Options?

I have horrible, improperly-rendered fonts in Java programs such as jabref and rubymine. This can be fixed by running _JAVA_OPTIONS='-Dawt.useSystemAAFontSettings=on' jabref I understand that I ...
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3answers
77 views

Lots of free memory, but Java won't start (SunOS 5.10)

vmstat gives: swap free 37489684 110178592 Still I have issues, while trying to run Java process with 10g heap: > java -Xmx10g -Xms10g -d64 HelloWorldApp Error occurred during ...
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1answer
60 views

OpenJDK update in RHEL 6

We need to apply the JDK updates to one of the RHEL 6 servers. How do I apply the patch if I have the RPM package available, which I have downloaded from the internet. Searched a lot on the internet ...
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21 views

Fluxbox, bbkeys and java

I have installed bbkeys so I could choose a window when ALT-TABed, but the java applications are not amoung the selectable. Is there anything special that needs to be done for a java app to be amoung ...
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2answers
478 views

Java location from /usr/bin/java

I'm trying to find my java location within my Linux system and got this [980@b449 ~]$ which java /usr/bin/java [980@b449 ~]$ readlink -f $(which java) ...
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1answer
353 views

Trying to install 32-bit java plugin on Centos 6.5 64-bit mozilla firefox

Long story short, my employer's webstart VPN requires 32-bit java to launch. I managed to get this working on a 64-bit CentOS 5.6 vm, but I cannot remember what I did or it's not working on 6.5... ...
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124 views

sudo service errors out with JAVA_HOME not found

I've used visudoer to set the keep_env for JAVA_HOME: $ sudo printenv | grep -i JAVA_HOME JAVA_HOME=/opt/java $ ls $JAVA_HOME bin db jre LICENSE README.html src.zip ...
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44 views

Fluxbox: is there a problem with java modal dialogs and fluxbox?

I have got a java application that opens a modal dialog. The modal dialog is shown behind the main window and there is no way I can bring the modal dialog to front. If I switch to Cinnamon everything ...
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1answer
61 views

Error initializing server: OC4J administrator account is not configured

I am getting the following error message when trying to bring up ./oc4j service (oc4j_extended_101350.zip). [oracle@sc-ifactory01p bin]$ ./oc4j -start Starting OC4J from ...
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91 views

Changing the Java Runtime in NetBean 8 on Ubuntu 14.04

(Not sure if this is the right site for this question - if not please migrate.) I am using Netbeans for C++ on Ubuntu 14.04. Ubuntu comes with the Open JDK Runtime, which is what Netbeans is ...
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1answer
125 views

Mandatory argument for script to run java program

My script is called: report_startDate It has the following line: $JRE_ROOT/bin/java -cp /home/me/report/config/:/home/me/report/jar/reporting-1.0-SNAPSHOT.jar com.me.project.report.Main $1 $1 ...
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96 views

How do I execute in background / return early?

For reference, I'm using phpseclib to control a remote SSH server using the 'root' account. I have to start/stop a java process which is ran in the background. Stopping works fine with killall java ...
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2answers
111 views

Choose a terminal emulator from Java [duplicate]

I am writing a platform independent Java console tool and within which will have to execute some commands in separate independent terminal at runtime. However, I need to know which terminal should I ...
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1answer
76 views

Allow non-root unmodifiable sofware to bind to ports 80 & 443

The company I'm in uses the Java Secure Application Manager to "secure" non-internal connections their webmail and electronic collaboration software. Aside from using expired certificates, and ...
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2answers
104 views

How to increase the memory used by Java in linux?

I have a program Vuze that is written in Java, which I use to download very large files, and I'm having a problem with it. I need to increase the amount of memory it uses. I've followed the directions ...
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1answer
146 views

How do I remove Java from Mint 17?

I got a version of Java 7 lying in /opt/java/jdk1.7.0_60/ That I don't seem to remember having installed myself. I want to replace it with OpenJDK 8, but I'm afraid I'll break something if I just rm ...
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1answer
74 views

mysql jdbc connection issues in RHEL 6

I have setup the mysql database in one of the RHEL 6 servers. I would like to connect to this server's database from any other machine using a java program. How should I do it?
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1answer
48 views

Launching a sudo gui from desktop

Environment: CentOS 5.10 on 32 Bit. test.sh: #!/bin/bash cd /dump sudo /opt/java/jre1.7.0_60/bin/java -jar mytest.jar mytest.jar will pop a GUI app in the desktop, username is in sudoers with ...
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1answer
156 views

Poorly performing java application vs poorly performing server

This is a very generic question, but it has been coming up more and more often for me. I would like to try and determine an appropriate course of action for this generic case, as I think it could ...
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1answer
280 views

Tomcat: no xmx/xms value set, where is the heap value being defined?

I have a Tomcat 7 install running with Java 1.7 on a Linux 2.6 server, and jinfo shows no xmx or xms values. ps output shows nothing set for xmx/xms on the command line for the java process. Tomcat ...
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1answer
53 views

locate java source code in jdk7

I have installed Jdk7 in Ubuntu 14.04 and it is successfully configured and I can use java libraries in code. The problem is that I am trying to locate java source code, but not able to find the jar ...
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1answer
69 views

Why uninstalling openjdk automatically triggers an installation of the alternatives on zypper openSUSE?

I installed openSUSE 13.1 and I want to install Oracle jdk. What I intended was to first uninstall open_jdk/ice tea stuff as I won't be needing them anyway but it seems I cannot uninstall them without ...
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77 views

Running unsigned javaws code

For a KVM remote console I need to be able to run a jnlp file. When I run it I get: net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error: Could not initialize application. at ...
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1answer
76 views

Make sense of this strace output

Can anyone make sense of this strace output? [pid 25302] read(34, "}B\311\204\n\250\347$\220\266kRb\304a^^\2504\303k\235\227T\223\16\231\306\277\254\256\306", 32) = 32 It's from a Linux system ...
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2answers
114 views

get CPU usage of a VM (linux) using java

Is there an API for Java in getting the CPU usage of a VM in KVM? I want to know how I could get the CPU usage of a guest (from the host's perspective) using Java. Also, does anybody know where I ...
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23 views

Solaris JRE Mozilla

In an thin client setup where Solaris 10 is being used on client and server side. Java based web apps are opened in Mozilla web browser 1.7. JRE version 1.4.2.6 is installed for Mozilla. On a few ...
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1answer
302 views

sun.jdbc.odbc.JdbcOdbcDriver not found

I'm configuring a Business Intelligence tool Yellowfin BI on my Debian Linux server and I get this error: Error Message: java.lang.ClassNotFoundException: sun.jdbc.odbc.JdbcOdbcDriver I cannot ...
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0answers
86 views

Mail Delivery too slow with sendmail

We are using javamail to deliver mail for our applications. The mail function runs in a loop to deliver around 100 to 200 mails depending on the range we use. However, it taking more than an hour to ...
3
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3answers
570 views

Messed up bash.bashrc file, commands not working anymore

Trying installing Java, I tried to add it to the executable path with the line: export PATH=/usr/lib/jvm/jdk1.7.0_60/bin:$PATH in the system-wide /etc/bash.bashrc file. For some reason this ...
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0answers
709 views

org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed] while running spoon.sh in ubuntu

When I am running spoon.sh file in Ubuntu I am getting the following error: [santosh@sbx data-integration]$ ./spoon.sh /home/decathlon/Pentaho-5.0.1/data-integration org.eclipse.swt.SWTError: No more ...
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1answer
253 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 ...
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1answer
190 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
78 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
540 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
40 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
3k 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 ...
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0answers
85 views

Specific Jar file doesn't run on startup

I want to run a jar at startup, so I asked a question here. I was given a few suggestions, so I started from trying to create a script file and desktop file. I created a script file and desktop file ...
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191 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 -> ...