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I was trying to install from the command line but could not find a pkg installer online any more. I saw that JavaAppletPlugin.pkg in the DMG but thought it was not what I wanted because the name is misleading.
See full list on maketecheasier.com. The following pop up message is displayed randomly on a Macbook Pro: 'To use the java command line tool you need to install a JDK. Click 'More info' to visit the Java Developer kit download website'.
So you got an executable jar and you are wondering how to run it! . In this tutorial we define the different ways to run an executable jar through the windows command line. In case you don't know what's an executable jar, refer to our previous tutorial about creating executable jars in java.
Throughout this tutorial, we consider that you've already installed java on your machine, and you set up properly the java environment variables.
1. Jars with predefined main class
Every executable jar should hold a MANIFEST.MF file which holds important information about the jar itself, if you're lucky enough you get a jar with a predefined main class in MANIFEST.MF
In order to check if the main class is already defined:
extract your jar using any archive tool e.g. winrar, 7-zip => open MANIFEST.MF fileunder META-INF => then check whether there exists an attribute called Main-Class and is set properly.
In order to run the jar, just type the following command in the windows console:
e.g.
2. Jars without predefined main class
Some developers forget to define the main class inside the manifest file while creating the executable jar, when you get this kind of jar and try to run the above command, you get an error message like : ‘no main manifest attrbute'.
In order to run this kind of jar, you must know the full path of the main class and use the following command:
java-cp<jar-file-name-with-extension><full-path-of-main-class> |
e.g.
java-cp executable.jar com.programmer.gate.HelloWorld |
If you don't want to write the path of the main class each time you run the jar, you can update the manifest file of the jar and add your main class there. Refer to this article on how to make an existing jar file executable.
3. Dependable jars
A jar is dependable if it can't run independently without the existence of other jars, in order to run this kind of jar you must explicitly specify its classpath either through command line or via manifest file.
Suppose that you have a folder named lib which exists inside the project beside META-INF and holds third-party libraries used by your application, your jar wouldn't work without including these dependencies.
Option 1: Specify the dependencies while running the jar in the command line:
java-cp<name-of-jar-with-extension>;<path-of-dependency-folder>/*;.<path-of-main-class> |
e.g.
java-cp executable.jar;lib/*;.com.programmer.gate.HelloWorld |
Option 2: Specify the classpath of the jar in the manifest file:
Normally the developers who create the jar should specify its dependencies inside the manifest, but in case they forgot and you don't have other way to run the jar, just add the following attribute just before the main class attribute in MANIFEST.MF:
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then use the typical command:
4. Unsupported major.minor error
Throughout this tutorial, we consider that you've already installed java on your machine, and you set up properly the java environment variables.
1. Jars with predefined main class
Every executable jar should hold a MANIFEST.MF file which holds important information about the jar itself, if you're lucky enough you get a jar with a predefined main class in MANIFEST.MF
In order to check if the main class is already defined:
extract your jar using any archive tool e.g. winrar, 7-zip => open MANIFEST.MF fileunder META-INF => then check whether there exists an attribute called Main-Class and is set properly.
In order to run the jar, just type the following command in the windows console:
e.g.
2. Jars without predefined main class
Some developers forget to define the main class inside the manifest file while creating the executable jar, when you get this kind of jar and try to run the above command, you get an error message like : ‘no main manifest attrbute'.
In order to run this kind of jar, you must know the full path of the main class and use the following command:
java-cp<jar-file-name-with-extension><full-path-of-main-class> |
e.g.
java-cp executable.jar com.programmer.gate.HelloWorld |
If you don't want to write the path of the main class each time you run the jar, you can update the manifest file of the jar and add your main class there. Refer to this article on how to make an existing jar file executable.
3. Dependable jars
A jar is dependable if it can't run independently without the existence of other jars, in order to run this kind of jar you must explicitly specify its classpath either through command line or via manifest file.
Suppose that you have a folder named lib which exists inside the project beside META-INF and holds third-party libraries used by your application, your jar wouldn't work without including these dependencies.
Option 1: Specify the dependencies while running the jar in the command line:
java-cp<name-of-jar-with-extension>;<path-of-dependency-folder>/*;.<path-of-main-class> |
e.g.
java-cp executable.jar;lib/*;.com.programmer.gate.HelloWorld |
Option 2: Specify the classpath of the jar in the manifest file:
Normally the developers who create the jar should specify its dependencies inside the manifest, but in case they forgot and you don't have other way to run the jar, just add the following attribute just before the main class attribute in MANIFEST.MF:
Mac Download Java 8 From Command Line Free
then use the typical command:
4. Unsupported major.minor error
In some cases, you got ‘Unsupported major.minor version' error when running an executable jar. This error means that the version of the JDK used for developing the jar is greater than the JRE version currently used to run it. Beware that java is backward compatible, so always make sure that the JRE version of running environment is greater than or equal to the JDK version used for development.
Getting Started
In addition to the I2P download, you need to install Java if you do not have it already installed. I2P requires Java Runtime Version 7 or higher.(Oracle,OpenJDK, orIcedTeaJava Version 7 or 8 recommended,except Raspberry Pi: OpenJDK 9 for ARM,PowerPC: IBM Java SE 7 or 8)
Determine your installed Java version hereor type java -version at your command prompt.
Windows: Java 8 is recommended. Java 9 or higher may not work.
Release Notes
Pick your I2P Bundle
When you download the I2P software bundle, you get everything you need to connectand start participating in the I2P network and community. It even includes basicapplications for every user, like e-mail, bittorrent, and a basic I2P site foryou to personalize and share.
After you've installed, a set up wizard will help you configure a fewimportant things like how much bandwidth you would like to share while yourrouter begins to make connections to the network. After the set up wizard iscomplete, you will be directed to the console home page where you can accessthe rest of the applications or configure, monitor, or troubleshoot yourI2P connections.
Download the file and double-click to run it.
The most reliable way to launch the installer is from a terminal like this: java -jar i2pinstall_0.9.47.jar
. This will launch the GUI installer. Depending on how your computer is set up, you may be able to start the installer by double-clicking the 'i2pinstall_0.9.47.jar' file or right-clicking the file and selecting 'Open with Java'. Unfortunately, this behaviour is difficult to predict.
Command line (headless) install:
I2P can also be installed in a terminal environment, which may be especially useful for servers, containers, or certain virtual machines. If you wish to use the installer without a GUI, you can use the commandjava -jar i2pinstall_0.9.47.jar -console
to follow the install procedure in your terminal. This is a more familiar drag-and-drop style installer for OSX, which includes a Dock icon to easily inform you of I2P's status. Beta.
Double-click on the file, then drag and drop the launcher into your Applications folder.
Java Command Line Input
The most reliable way to launch the installer is from a terminal like this: java -jar i2pinstall_0.9.47.jar
. This will launch the GUI installer. Depending on how your computer is set up, you may be able to start the installer by double-clicking the 'i2pinstall_0.9.47.jar' file or right-clicking the file and selecting 'Open with Java'. Unfortunately, this behaviour is difficult to predict.
Command line (headless) install:
I2P can also be installed in a terminal environment, which may be especially useful for servers, containers, or certain virtual machines. If you wish to use the installer without a GUI, you can use the commandjava -jar i2pinstall_0.9.47.jar -console
to follow the install procedure in your terminal. I2P is available in the official repositories for Ubuntu Bionic and later, and Debian Buster and Sid. However, Debian Buster and Ubuntu Bionic (LTS) distributions will have older I2P versions. If you are not running Debian Sid or the latest Ubuntu release, use our Debian repo or Launchpad PPA to ensure you're running the latest I2P version.
I2P is now available as a Docker package from the Docker Hub. You may retrieve the image by running the 'docker pull' command.
Docker HubAlternately, you can fetch the source from monotone or via Git from git.repo.i2p or Github.
Run (tar xjvf i2psource_0.9.47.tar.bz2 ; cd i2p-0.9.47 ; ant pkg)
then either run the GUI installer or headless install as above.
Android source is in monotone and on Github. Android builds require the I2P source. See the documentation in the Android source for additional build requirements and instructions.
The files are signed by zzz,whose key is here.The Windows installer is signed by zlatinb,whose key is here.The Mac OS X native installer is signed by mikalv (meeh) with his Apple Developer ID certificate,whose key is here.Updates from earlier releases:
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Both automatic and manual upgrades are available for the release.
If you are running 0.7.5 or later, your router should detect thenew release. To upgrade simply click the 'Download Update' button on your router consolewhen it appears.
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Since 0.9.23, some releases are signed by str4d, whose signing key has been in the routersince 0.9.9. Routers older than 0.9.9 will fail to verify update files signed by str4d,and will need to be manually updated using the process below. Download fl studio 2018 mac os.
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- Download the file to your I2P installation directory and rename as i2pupdate.zip. (alternately, you can get the source as above and run 'ant updater', then copy the resulting i2pupdate.zip to your I2P installation directory). You do NOT need to unzip the file.
- Click 'Restart'
- Grab a cup of coffee and come back in 11 minutes