Java is a general-purpose programming language and a computing platform called the Java Virtual Machine (JVM).
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3 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 ...
0
votes
1answer
16 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 ...
0
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0answers
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 ...
0
votes
3answers
64 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 ...
0
votes
0answers
10 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. ...
2
votes
2answers
63 views
How to find where is $JAVA_HOME set? [duplicate]
I'm a beginner with linux. I'm trying to change the value of $JAVA_HOME & I just can't seem to find in which file is it being set currently. I can't remember where did I set it the last time. ...
0
votes
1answer
22 views
Sending a tab key event using applet to a unix machine?
i have an applet , that interacts with a remote unix machine . Everything works fine . I'm following the ganymede-ssh code . below is the code excerpt .
session = CLIUtil.createTerminal();
if ...
1
vote
1answer
115 views
Error while loading shared libraries: libdl.so.2 (and others), no such file. Libraries exist
Attempting to install a Java application from a .bin file. When opening the installer from command line, I see these errors:
[boxen]# ./ZendStudio-5_2_0.bin
Preparing to install...
Extracting the ...
1
vote
1answer
56 views
Where can I set global Java Options?
I have horrible, improperly-rendered fonts in Java programs such as jabref and rubymine. This can be fixed by running
_JAVA_OPTIONS='-Dawt.useSystemAAFontSettings=on' jabref
I understand that I ...
0
votes
3answers
60 views
Lots of free memory, but Java won't start (SunOS 5.10)
vmstat gives:
swap free
37489684 110178592
Still I have issues, while trying to run Java process with 10g heap:
> java -Xmx10g -Xms10g -d64 HelloWorldApp
Error occurred during ...
1
vote
1answer
30 views
OpenJDK update in RHEL 6
We need to apply the JDK updates to one of the RHEL 6 servers. How do I apply the patch if I have the RPM package available, which I have downloaded from the internet. Searched a lot on the internet ...
0
votes
0answers
15 views
Fluxbox, bbkeys and java
I have installed bbkeys so I could choose a window when ALT-TABed, but the java applications are not amoung the selectable. Is there anything special that needs to be done for a java app to be amoung ...
8
votes
2answers
247 views
Java location from /usr/bin/java
I'm trying to find my java location within my Linux system and got this
[980@b449 ~]$ which java
/usr/bin/java
[980@b449 ~]$ readlink -f $(which java)
...
0
votes
1answer
179 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...
...
0
votes
0answers
79 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 $JAVA_HOME
bin db jre LICENSE README.html src.zip ...
0
votes
1answer
29 views
Fluxbox: is there a problem with java modal dialogs and fluxbox?
I have got a java application that opens a modal dialog. The modal dialog is shown behind the main window and there is no way I can bring the modal dialog to front. If I switch to Cinnamon everything ...
0
votes
1answer
40 views
Error initializing server: OC4J administrator account is not configured
I am getting the following error message when trying to bring up ./oc4j service (oc4j_extended_101350.zip).
[oracle@sc-ifactory01p bin]$ ./oc4j -start
Starting OC4J from ...
0
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0answers
65 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 ...
0
votes
1answer
71 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 ...
4
votes
0answers
80 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 ...
0
votes
2answers
79 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 ...
2
votes
1answer
60 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 ...
1
vote
2answers
79 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 ...
0
votes
1answer
71 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 ...
0
votes
1answer
47 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?
-1
votes
1answer
39 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 ...
4
votes
1answer
128 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 ...
0
votes
1answer
136 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 ...
3
votes
1answer
47 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 ...
1
vote
1answer
45 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 ...
1
vote
0answers
54 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 ...
2
votes
1answer
59 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 ...
1
vote
2answers
92 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 ...
1
vote
0answers
22 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 ...
0
votes
1answer
184 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 ...
0
votes
0answers
66 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
votes
3answers
283 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:$PATH
in the system-wide /etc/bash.bashrc file.
For some reason this ...
0
votes
0answers
526 views
org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed] while running spoon.sh in ubuntu
When I am running spoon.sh file in Ubuntu I am getting the following error:
[santosh@sbx data-integration]$ ./spoon.sh
/home/decathlon/Pentaho-5.0.1/data-integration
org.eclipse.swt.SWTError: No more ...
1
vote
1answer
151 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
vote
1answer
175 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
votes
1answer
61 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
votes
2answers
486 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, ...
0
votes
0answers
34 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 ...
1
vote
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 ...
0
votes
0answers
71 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 ...
2
votes
0answers
148 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 ->
...
2
votes
3answers
133 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 ...
1
vote
2answers
181 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 ...
0
votes
2answers
134 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 ...
1
vote
2answers
2k 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 ...
