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#How to open java jar file in eclipse download#
#How to open java jar file in eclipse windows#

For 32-bit Helios, download the fixed eclipse_1308.dll and place it into.

Change the commandline for launching or add the following line after "-vmargs" to your Eclipse.ini file:.

switch back to ' 1.6.0_20' (as of Jit can still be downloaded here).

Make sure you have b07 or higher by running java -version.īefore the fix was released, there were three choices to work around this: UPDATE: Oracle/Sun have released a respin of their JDK/JRE to fix this, so the recommended resolution of this problem is to download and re-install version 1.6.0_21-b07' or higher from (alternative link is ).

#How to open java jar file in eclipse windows#

The Eclipse 3.3 - 3.6 launchers for Windows had a problem with the Oracle/Sun Java VM version '1.6.0_21-b06'. Java -cp eclipse/startup.jar .MainĮclipse 3.2 did not contain a console version of the executable. To start 3.2 by directly invoking the JVM use the following command: In 3.3 and above the equivalent classes are in the bundle. This jar file contained the classes needed to start the platform. In Eclipse 3.2 and earlier, there was an additional file in the root of Eclipse: startup.jar. You can manually specify the workspace location on the command line, using the -data command-line argument. This behavior can be configured in the Preferences. When Eclipse starts, you are prompted to choose a workspace location on start-up.

The format of the eclipse.ini file is very particular it is strongly recommended to read eclipse.ini and follow the examples there. Installers for other applications sometimes modify the system path variable, thus changing the VM used to launch Eclipse without your knowing about it. You should always use -vm so you can be sure of what VM you are using. This is a common mistake when using Windows.Įclipse now will launch without additional arguments in the command-line, with the JVM specified in the eclipse.ini configuration file. Note: there are no quotes around this path as would be required when executing the same from the command-line were the path to contain white space, etc. To specify a JVM using configuration file, include the -vm argument in eclipse.ini, for example: The Eclipse program launcher will read arguments from either the command-line or the configuration file named eclipse.ini. The most recommended way to specify a JVM for Eclipse to run in is to put startup configuration into the eclipse.ini file in the same folder as the Eclipse executable ( eclipse.exe on Windows). See the launcher page for more details on specifying a JVM. To explicitly specify a JVM of your choice, you can use the -vm command line argument:Įclipse -vm c:\jre\bin\javaw.exe ''start Java by executing the specified java executableĮclipse -vm c:\jre\bin\client\jvm.dll ''start Java by loading the jvm in the eclipse process Eclipse DOES NOT consult the JAVA_HOME environment variable. If a JVM is installed in the eclipse/jre directory, Eclipse will use it otherwise the launcher will consult the eclipse.ini file and the system path variable.

When running on Java ≥ 9, you may have to make some non-default system modules available, e.g., by adding -add-modules ALL-SYSTEM to the command line (please check the release notes on supported Java versions per Eclipse version).

For more details on launching Eclipse using Java (not eclipse.exe) with the launcher, see Starting Eclipse Commandline With Equinox Launcher.

The version of in the above command must match the version actually shipped with Eclipse.On Windows, the eclipsec.exe console executable can be used for improved command line behavior.Īlternatively, you can launch Eclipse by directly invoking the JVM as follows: This small launcher essentially finds and loads the JVM. You can start Eclipse by running eclipse.exe on Windows or eclipse on other platforms. Plugins/ ''the directory containing Eclipse plugins''Įclipsec.exe ''(windows only) console executable'' When you unzip Eclipse, the directory layout looks something like this:įeatures/ ''the directory containing Eclipse features'' 5 OLD: Oracle/Sun VM 1.6.0_21 on Windows.