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

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2answers
99 views

I deleted /etc/alternatives/java [closed]

I'm on Ubuntu 12.04 on a 32-bits Dell machine. I was trying to install java JDK for 32-bits linux platform and I accidentally deleted the file /etc/alternatives/java. I would love to recreate my ...
1
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1answer
75 views

Running Apache with Tomcat

I was wondering if it's possible to run a Tomcat server within Apache whilst also running PHP servers under other virtual host instances? And if so, how is this done? Basically, I'm trying to run an ...
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1answer
78 views

best programming language for I/O intensive tasks [closed]

I need to process "big data" (nearly 1TB which can be partitioned into smaller chunks). Consider several programming languages (Java, Python, C++, Perl) and other scripting options (Perl, awk, sed, ...
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0answers
78 views

how to enable java support to buildroot

I'm using buildroot 2012.08 version for building embedded linux. I'm looking for best solution to add java support. Is it possible to do trough buildroot?
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2answers
165 views

how to run .dump command in linux? [closed]

I want to create dump file of sqlite database from java but I can't run the below command from linux. I got the help of windows and I tried with linux but it appears one terminal nothing more than ...
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2answers
143 views

Cannot change JAVA_HOME

When I run java -version in my terminal I get: user@ubuntu:~$ java -version java version "1.7.0_25" OpenJDK Runtime Environment (IcedTea 2.3.10) (7u25-2.3.10-1ubuntu0.13.04.2) OpenJDK 64-Bit Server ...
1
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1answer
101 views

Starting a .bin installer in graphical mode

I'm trying to install this software but after I run the usual commands: chmod +x gvSIG-desktop-2.0.0-2066-final-lin-x86-standard-withjre.bin ...
2
votes
1answer
942 views

How to install Sun/Oracle Java 1.6 onto centOS 6 using only textmode?

So, after a few days of struggle I have yet to be successful in installing Sun/Oracle java 1.6 onto my CentOS. The issues seem to be as follows No sun java 1.6 package available in repo due to ...
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0answers
57 views

Wine - Java-Editor's Frame Window is black [closed]

I have a strange bug with the Java-Editor on Linux using Wine. When I run a Frame Window it is completely black. The rest of the editor works quite well. My mouse recognizes the text fields (changing ...
2
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1answer
58 views

Using prelink on manually loaded libraries? (like Java native libraries)

As far as I can tell, prelink can only works with dynamic libraries which an executable declares it needs at compile time (the libraries that can be found with ldd). It doesn't seem to include ...
1
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1answer
288 views

RPM: failed jre dependency, even though that JRE version is installed

I am trying to install a package, and it fails reporting a missing dependency: # rpm -ivh * error: Failed dependencies: jre >= 1.7.0 is needed by Tomcat-7.0.37-1.noarch At the same time, ...
1
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1answer
80 views

Java PATH issue when installing JDK7 on centos 32 bit

I have Installed JDK 7 on CentOS 32 bit virtual machine. I also have set the path for java. In one terminal it is showing java1.7 But when I open another terminal and look for, java -version It is ...
1
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1answer
532 views

Open screen process in terminal from script

I have a minecraft server running in screen, and right now, it is just a script that starts java like so: screen -dmS mc java -Xincgc -Xms1024M -jar craftbukkit-1.6.4-b2882.jar Basically this just ...
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2answers
186 views

wheezy maven install

I have wheezy installed from a pen drive. Updated things and thought I had got maven and eclipse. But maven projects would not compile. I uninstalled all the maven programs I could find in Add/remove ...
2
votes
1answer
2k views

How to set Oracle Java's JAVA_HOME in Fedora 19

I just installed Fedora 19 and managed to get FedoraUtils installed. So I chose java oracle. after installation I could see in the FedoraUtils list that oracle java (installed) but I can't see the ...
2
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2answers
104 views

Change PATH in Debian 7.1.0 for JAVA

I would like to change the PATH of my Debian 7.1.0 system to link the java version I want. If I insert into the terminal: java -version I get: java version "1.6.0_27" OpenJDK Runtime Environment ...
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2answers
208 views

Hugepages in linux - how to make sure that java process will start using hugepages

I'm running java server on Red Hat Enterprise Linux Server release 5.9. Recently I started to use HugePages as it has some advantages I would like to use. System was configured correctly (as many ...
3
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1answer
917 views

How to get Oracle java 7 to work with setcap cap_net_bind_service+ep

I am trying to grant the java executable the right to open ports below 1024 on Linux. Here is the setup /home/test/java contains the Oracle Server JRE 7.0.25 CentOS 6.4 Here is what getcap ...
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2answers
2k views

install java sdk 6, wheezy

Followed debian Java Sun wiki, and later 1[open jsk 7 ]2 which has a note on installing 6 : link to java 7 on debian aptitude install sun-java6-jdk No candidate version found for ...
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0answers
44 views

Eclipse : GLib-ERROR

I have an JAVA application which includes .so file.I have included the VM argument path in the Run configuration -Djava.library.path="${workspace_loc}/JlibFprint/resources:${env_var:PATH}" But when ...
3
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2answers
74 views

How to make apt recognize an installed tar package?

I've installed Oracle Java. I want to be able to remove OpenJDK, but when trying to do so apt wants to install another version of Java. How can I configure apt so that it knows I already have a ...
0
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0answers
26 views

hadoop namenode host login issue

hduser1@bycb4y1:/$ ssh -p 9000 hadoop-namenode Welcome to Ubuntu 12.04.2 LTS (GNU/Linux 3.5.0-23-generic x86_64) * Documentation: https://help.ubuntu.com/ Last login: Mon Aug 5 17:05:47 2013 from ...
7
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1answer
674 views

What is the safe way to allow Java 7 to run on SELinux

Short version: What is the most secure way to allow Java 7 to run on (with?) SELinux? Long version: Sorry in advance if I use incorrect terminology. I'm really just a Java developer with a meager ...
2
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1answer
80 views

Autocomplete doesn't work for file parameters to jarsigner

I'm using Lubuntu 12.10. Assume I've got a file called test.apk in my current folder. 1.) In LXTerminal/bash if I type, adb install t<TAB> the terminal autocompletes it correctly to ...
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2answers
212 views

Problem downloading Java JDK with WGET on Ubuntu

I'm attempting to install the Java JDK through the command line using WGET on ubuntu (no desktop). Here is the picture I took. The file that was downloaded was not the tar ball of the JDK: How can I ...
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0answers
165 views

Jitsi crashes sound every time

No matter which version of the software I download and install from jitsi.org, running Jitsi causes the sound on my OpenSUSE 12.3 machine to be replaced by a low hissing noise. This persists even if I ...
2
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2answers
935 views

Find the process id of a java application in a bash script (to see if the target application is already running)

I know there are a million questions on getting the process ID, but this one seems to be unique. Google has not given me the answer, so I hope stackexhange will help rather than close this question. ...
0
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1answer
135 views

Init script partially launches java app

I have a java application that I manage to execute by hand. The application normally opens several ports for local communications (7180 => 7183). Port 7182 serves as a web console and allows me to ...
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0answers
41 views

High Availability of Services

I want to monitor a couple of services in linux. In case they go down I want to restart them. I'm writing a crontab which will get the name of the services using jps command every 60 seconds, and if ...
0
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1answer
83 views

TCLBLEND FAILURE - Centos 6.4

I have been trying to use a home grown test tool and after doing an update to Centos 6.4, I am no longer able to run the tcl based tool. I am getting the following error and I have no internet access ...
2
votes
1answer
60 views

Can connect from RPi to laptop, but not other way around

I'm developing a server-client application (command-line based) in Java. I want to run it on my Raspberry Pi (RPi), but it turns out I can't login to my server-part from my laptop. The problem is that ...
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0answers
150 views

X high CPU when using Java applications

Only recently, my Freemind program has become extremely sluggish and unresponsive (big lag) when moving my mind map around. I use Arch Linux with xfce4. Freemind is made with Java. If I move the mind ...
0
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1answer
1k views

Alternatives not working well for Java installation on Centos 6.4

I am trying to installing on Centos java from Oracle. Following are my steps. yum install /usr/local/jdk-7u3-linux-x64.rpm alternatives --install /usr/bin/java java /usr/java/latest/jre/bin/java ...
0
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1answer
116 views

Red5 can't find JAVA_HOME

I'm setting up a Red5 server on Cygwin I get this /usr/share/red5$ sh red5.sh Running on CYGWIN_NT-6.1-WOW64 Unable to locate Java. Please set JAVA_HOME environment variable. However, I can also ...
0
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1answer
613 views

Java installation having issues on Centos java and javac showing different version

I have this package of java jdk-7u3-linux-x64.rpm. So I have been doing this normally yum install jdk-7u3-linux-x64.rpm. Then immediately I will do this alternatives --install /usr/bin/java java ...
2
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2answers
176 views

Search class names in jars

I'm using this command to search *.jar files for java classes, and I only get the name of the jars that contain those classes: grep -ral --include=*.jar SignonEJB . How can I also get the class ...
1
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1answer
208 views

Java application locks up after playing sound

Our Java application plays short notification sounds periodically (in response to user actions). On some hardward, our application will lock up after the 3rd or 4th short sound. We have to pkill java ...
0
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1answer
727 views

Can't load IA 32-bit .so on a IA 32-bit platform

I'm trying to install an 32_bit_application on CentOS (64-bit), while running the setup.bin file it return the following error Invocation of this Java Application has caused an ...
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votes
1answer
67 views

Novice Ubuntu 12.04 user needs help! [closed]

I'm new to Unix/Linux and someone suggested I try Ubuntu. I like it but I can't figure a couple of things out and don't really have time to google up ways to solve the problem. Answers from a quick ...
2
votes
4answers
85 views

any feature on linux like Perfermance Counter on Windows servers?

I have a tomcat web application, when invoking an unstable remote API, I want to get realtime http request time at any time. On windows server, I can use Performance Counter, does centos provide ...
4
votes
3answers
619 views

Uniquely identifying java processes with same name

I have two java processes which run using the same file name, MyApp.jar (for example). /usr/java/latest/bin/java -jar MyApp.jar These jars exist in different places and use different ...
1
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3answers
454 views

Linux / JVM - OutOfMemoryError: unable to create new native thread

I have a memory problem with a Linux server (CentOS). It is a VM. Below is the context. It has 70Gb of RAM. There are 2 tomcat running on it. One tomcat is given a heap of 13Gb and the other one a ...
0
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0answers
74 views

Prevent Java to escalate CPU usage on Slackware64?

I use Slackware64-current on my work laptop and though I love running Slackware, sometimes it hangs on me near to the point of starting considering falling back to Windows. I develop on Java and use ...
2
votes
1answer
473 views

Minimal Java installation for Linux with no GUI

I'm working on a CentOS 6.3 x86_64 minimal OS (installed using the netinstall ISO). This system is not expected to run anything beyond console apps/services and Tomcat7. When I attempt to install ...
3
votes
0answers
99 views

RES memory more than initial and maximum memory for java

We have a java application running on Centos 6.4 what we notice is that the RES is around 370m which is more then the allocated max that is 256m. Does this signify that we the application is leaking? ...
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0answers
122 views

Ant error after installing NetBeans 7.3 in Lubuntu

I have NetBeans 7.01 from Debian repository - all works. But I have a problem with NetBeans 7.3 from the official site (installed on the same machine) - I can't compile anything: ERROR - Ant is ...
2
votes
2answers
139 views

Do I need to remove all “java|jre” packages from my system to be secure from java vulnerabilities?

Currently I have these installed on my Scientific Linux 6.3: [root@localhost ~]# rpm -qa | egrep -i 'java|jre' java-1.7.0-openjdk-1.7.0.9-2.3.7.1.el6_3.x86_64 ...
1
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3answers
3k views

Kill only one Java process

I usually run few Java applications, one for server running locally and other for some IDE like NetBeans. And from time to time, after lots of redeployments, my server get stuck on ...
1
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1answer
133 views

Point IP to an application instance

I was just wondering how I go about pointing a static IP address which I have purchased to an application instance on my server, using a different IP from the one I currently have pointing to my main ...
2
votes
1answer
373 views

IBM Java Runtime Environment on CentOS

I need to install IBM's JRE, but I can't seem to find an appropriate download or guide to installing it on CentOS. I've found various zips, but none of them include an RPM and I have no idea where to ...