How To Install Java 8 On Ubuntu 14.04
Apr 19, 2014
I used Ubuntu 13.10 on a Chromebook and Java7 and Java8 both worked nicely. Not on Ubuntu14.04, however.
I can try
sudo apt-get install openjdk-7-jdk
javac -version
java -version
… and it tells me 1.7.0_51 IcedTea etc. I haven't found an OpenJDK version of Java8, so I tried the usual technique of unzipping the Oracle download into /usr/java (which I have created and given “campbell” ownership of).
campbell@xxxxx:~$ /usr/java/jdk1.8.0_05/bin/java -version
bash: /usr/java/jdk1.8.0_05/bin/java: cannot execute binary file: Exec format error
campbell@xxxxx:~$ /usr/java/jdk1.7.0_55/bin/java -version
bash: /usr/java/jdk1.7.0_55/bin/java: No such file or directory
Same download in my home directory as I had last week. I repeated the download and got the same error. It is different from the error for Oracle Java7, which I haven't actually got installed at the moment.
I shall probably revert to Ubuntu13.10 for a bit.
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Nov 12, 2014
I have built a Java app that uses SQLite (sqlite-jdbc-3.8.7.jar). Running the jar file on windows works as expected however, trying to run it on Ubuntu Server 14.04 has turned into quite a task!
I put together a brand new machine in VirtualBox for testing. I installed Java (sudo apt-get install default-jre) and have installed SQLite (sudo apt-get install cl-sql-sqlite3 sqlitebrowser). I created a new sub-directory within my home directory and copied over the jar file. From terminal, I then run the command: sudo java -jar ProductionView.jar and I receive a java.lang.unsatisfiedlinkerror. For troubleshooting, within the app, before making a connection to the db, I have printed out the location of where the db is to be created and it is correct (see attached pic). Is there more that needs to be configured before I can run this app on Ubuntu? I have posted the relevant code below :
(AppDatabasePath() is what is printed in the image...).
public static String AppDatabasePath() {
return AppPath() + APP_NAME + ".db";
}
public static String AppDatabase() {
return "jdbc:sqlite:" + AppDatabasePath();
[Code] .....
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Sep 19, 2014
I am trying to run tshark command using runtime environment in java on ubuntu . My code is as follows :-
try {
String destip = map1.get((String) innObj.get("value"));
Runtime run = Runtime.getRuntime();
String tshk = "/usr/bin/tshark -r /home/pratibha/Desktop/vox.pcap -Y "ip.dst == "
+ destip
+ " && http" -T fields -e tcp.port -e col.Info";
Process pr = run.exec(tshk);
[code]....
map1 is hashmap which contains the destination ip adress.When i run the above code the exit code for process (pr) is 1 and hence the tshark command is not executing properly.
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Feb 11, 2015
I am new in java. I executed a java program using eclipse. the program contain two java file. when i try to run it using terminal in Ubuntu. Two files are not linking. it shows error. i am attaching all the data.
It shows the following error
regex2string.java:83: error: cannot find symbol
str = randomstr.nextString(2000);
^
symbol: variable randomstr
location: class regex2string
1 error
[Code] ...
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Mar 3, 2015
From java running on Windows, I need to access a file on a remote Ubuntu machine. I use the following:
URL U = new URL ( "http://" + SERVER_IP + ":" + SERVER_PORT + "/" + ClsName + ".class" );
where:
SERVER_IP is the Ubuntu IP address obtained from any site that shows the IP address of the machine you are using.SERVER_PORT is the Ubuntu port where the server is listening.
Now:
Do I need to modify this code any further?Do I need to configure the Windows and/or Ubuntu machine(s) for this to work?
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Apr 5, 2014
I am trying to install Java on my Debain based Linux OS and can`t seen to figure it out. I first typed "chmod +x jdk-8-nb-8-linux-i586.sh", than typed "./ jdk-8-nb-8-linux-i586.sh" to install it. It started to install, but than it gave my this message: (computer name has been changed)
bobsmith@bobsmiht-OptiPlex-GX620:~/Downloads$ ./jdk-8-nb-8-linux-i586.sh
Configuring the installer...
Searching for JVM on the system...
Preparing bundled JVM ...
./jdk-8-nb-8-linux-i586.sh: 1: eval: /tmp/.nbi-5045119.tmp/jre-7u4-linux-i586.bin: not found
Cannot prepare bundled JVM to run the installer.
Most probably the bundled JVM is not compatible with the current platform.
How do I fix this? My Linux computer is not connected to the internet, I don`t know if this is a problem or not.
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Dec 2, 2014
I am attaching a document which shows the current state of my registry.What I want to know is if I can [safely] delete the JavaSoft folder with all lower subfolders, then re-install jdk1.6/0_31 which, I am told, is the current version being used here by developers.According to others on the development team (not my team), there COULD be something in the registry that is preventing both the installation of java jdk AND its uninstallation.Since I cannot seem to attach any kind of document.
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Sep 22, 2014
I have created a java file and coverted it into exe file.. that exe file can be run directly by clicking the icon.... i dont need this, i want to install this java exe file and then use it.. is there any possible way?
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Sep 1, 2014
I have uninstalled JAVA because I needed to download the 64-bit version but no matter WHAT I do I still get the same installation error message "keyset as registered in invalid" and I was downloading it from [URL] .... I will do whatever it takes to fix this!
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Jun 23, 2014
How the cacerts file if populated within the java install directory?
Are there standard certificates that come with the jre install? Are they pulled from the OS somehow?
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Dec 23, 2014
We are using Kronos and when our staff trys to run reports -- they get three java prompts.The first one is asking if they would like to update java.The second one is do you want to run this application.The third one is allow access to the following application from this website
We are in a non persistent VDI environment so these prompts come up over and over and over.how to edit the Windows 7 image to disable all three of these prompts.Is there a way to install java from the command prompt with the parameters to disable these prompts from ocurring? if so i will uninstall and re-install with those prompts.
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Aug 5, 2014
I'm trying to install java_ee_sdk-6u3-jdk7-windows-x64.exe on our new Windows Server 2012 machine but the installer starts and I then get a Setup box appear that says Error: The Java(TM) Virtual Machine has aborted. I've looked in the Event Viewer and there are no messages and I've tried to get the installer to create a log file (by passing the parameter -l <loglocation>) but it doesn't seem to get that far as no log is created.
The very first time I tried to run the JavaEE install on this machine, it installed everything ok but didn't create the windows service as .NET Framework 3.5 was missing. So I uninstalled JavaEE and added in the .NET Framework 3.5 and then my problems began. I have already installed these versions of Java and JavaEE successfully on a previous Windows Server 2012 machine which had the .NET Framework 3.5 on it.
The JRE installed already on the computer is jre-6u45-windows-x64.exe and I am logged in as an administrator. I've tried uninstalling the JRE and reinstalling and also doing a registry clean using CCleaner incase there are any old references to the JRE/JavaEE but it didn't work.
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Jun 5, 2014
I am trying to build and IDE for NASM in Java for Ubuntu. There are other IDE's for NASM but they are in C or C++. So i thought i should try making one in Java. Well I am done with the GUI part.
How should i link the NASM compiler to the IDE.
Or
There is another way like "DEV C++ IDE" does in Windows is that it invokes the CMD and runs it in that so i could try doing something like that by invoking the TERMINAL in Ubuntu and running it in that. Does java have an API for this purpose.
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Sep 19, 2014
I am trying to run tshark command using runtime environment in java on ubuntu . My code is as follows :-
try {
String destip = map1.get((String) innObj.get("value"));
Runtime run = Runtime.getRuntime();
String tshk = "/usr/bin/tshark -r /home/pratibha/Desktop/vox.pcap -Y "ip.dst == "
+ destip
+ " && http" -T fields -e tcp.port -e col.Info";
Process pr = run.exec(tshk);
[Code]...
map1 is hashmap which contains the destination ip adress When i run the above code the exit code for process (pr) is 1 and hence the tshark command is not executing properly.
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Sep 15, 2014
I am trying to play video in JPanel using vlcj in ubuntu, there is no error. My project builts successfully. but do not plays video. when i run code JFrame comes for a while. when i use same code in windows. it plays video and works successfully, but not in ubuntu.
In output window , it show following
A fatal error has occured in java runtime environment. (and so many things.)
Following is my code : (i am using vlcj-3.0.1)
import com.sun.jna.NativeLibrary;
import java.awt.BorderLayout;
import java.io.File;
import javax.swing.JFrame;
import javax.swing.JPanel;
import uk.co.caprica.vlcj.component.EmbeddedMediaPlayerComponent;
[Code] ...
Which path to give for vlc player in ubuntu. there are more than 5 folders with name vlc. one is in /usr/share/ and other is in /etc/ and so on.
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Jan 19, 2015
I'm trying to learn how to read from, and write to, Excel files. I'm looking at this link : [URL] ....
It seems like there are some Apache dependencies. So, I go here : [URL] .....
I downloaded the zipped file from the first link. Now what? I don't see any .exe file, or any way of installing it. How do I install it, or run it, or whatever? What is the next step here?
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Feb 7, 2015
I'm trying to make my first servlet, however since I have only installed the Java SE, the javac compiler is complaining about missing packages (javax.servlet.http...)
I've realized now that I need javax.servlet jar or class files from Java EE, but after downloading java_ee_sdk-7u1.zip from Oracle here I'm not seeing any .sh or java_ee_sdk-7-jdk7-macosx-x64.sh installer (which I saw mentioned elsewhere). The oracle page only instructs to unzip the downloaded file, and searching for javax.servlet only reveals a few files which I'm not sure what to do with:
javax.servlet-api.jar,
javax.servlet.jsp.jar,
javax.servlet.jsp-api.jar,
javax.servlet.jsp.jstl.jar,
javax.servlet.jsp.jstl-api.jar,
javax.servlet.ServletContainerInitializer,
How do I go about installing the Java EE libraries I need? I am on a mac, and I'd like to do this without IDE, using the command prompt if necessary.
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Aug 22, 2014
In my web application there is a need to provide a custom plugin to client , so I need to inform the browser to show plugin install window so that client can install that particular plugin.
how to do it from my JSP page . ?
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Jul 16, 2014
I want to make a touchable program to install on my costumer information server that my client can search and register via my local database, how can i do this????
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Sep 12, 2014
I have tried running the java application without adding the site to site list in java security tab. But I get a sand box message as APPLICATION BLOCKED BY SECURITY SETTINGS. How to run the java application without adding the site to site list in java security tab.
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Oct 24, 2014
I want to develop a Java program that uses OpenScript APIs to test my applications. The OpenScript framework automatically creates the Java Code so I was thinking of either using this code or create my own using the APIs.
I tried both options using NetBeans but I'm getting errors everywhere starting with the library import. I'm pretty new to Java so I'm sure I'm missing a lot of things here. I pasted the code below from the OpenScript framework that want to use in a stand-alone file for your reference.,
import oracle.oats.scripting.modules.basic.api.*;
import oracle.oats.scripting.modules.browser.api.*;
import oracle.oats.scripting.modules.functionalTest.api.*;
import oracle.oats.scripting.modules.utilities.api.*;
import oracle.oats.scripting.modules.utilities.api.sql.*;
[Code] ....
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Apr 9, 2015
I've written a java application with several classes all in the same .java file. It works just fine. Now, I've broken it up so that each class has its own .java file. Still works fine. My next step is to put those classes into a package, but I'm not about to get the program to run.The .java source files are all in /home/user/src
I've set the CLASSPATH to /home/user/src..All of the source files have "package com.myfirm.program" on the first line.I compiled the application with:
javac -d . File1.java File2.java File3.java (etc...)
the compiler created the directory: /home/user/src/com/myfirm/program and put all of the .class files in there.So how do I get the program to run? if I run from /home/usr/src
java File1
I get: Exception in thread "main" java.lang.NoClassDefFoundError: File1 (wrong name: com/myfirm/program/Program)
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Apr 14, 2015
I create 2 files:
CircleCalculationMethod.javaMain.java
In Main.java, How can i call method in CircleCalculationMethod.java ?
Should I put everything in same folder ??Should i do something like "import CircleCalculationMethod.java"Should i do something like create a package ...
I use Eclipse software
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Sep 19, 2014
The title of Question might seem old and previously asked.But I have a Question that what is difference between javaSE and Java EE.Although I knew what comes under JavaSE and What is under JavaEE.But My question is that.
What happens when we add PATH in our Environment Variable How does Eclipse or Other IDE use it?
Second Question is.
For Java SE we declare a Path Variable but for Java EE we do not add any library?(I know we add some jar file like for Servlet(Servlet-api.jar) and for EJB(Ejb.jar),But What is actaul difference?
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Oct 23, 2014
creating a program that will output something like this:
Enter an Integer: 1405302(user inputted)
Your integer contains 2 even digit(s), 3 odd digit(s), and 2 zero(s).
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Dec 4, 2014
I know about coding in general, Java, C, Python, SQL etc. but I barely know anything about making code come together on the web. I have a vague idea about what things like libraries and frameworks are,I'm interested in making a web application with which relies on Java do to the data processing. The idea is that the user inputs some messages, clicks submit, the text is taken away and processed, and the results are displayed on the screen. I would like the UI to be smooth with a modern look and feel.
Also, I usually do programming on Windows but I could also use Linux, so if I'll come across any specific drawbacks using Windows.
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