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Pull requests 0; Actions; Security; Insights; Releases Tags. V2.1.0; 5a2a8db; Compare. Choose a tag to compare. Search for a tag. Homebrew Menu v2.1.0. V2.1.0; 5a2a8db; Compare. Choose a tag to compare. Search for a tag. Fincs released this Jun 28, 2019 17 commits to master since this release Added netsender functionality, for sending. Download ATLauncher today, available for Windows, Linux and OSX. Installation is simple and you can get up and running and playing modpacks quickly. Java -jar plugins/org.eclipse.equinox.launcher1.0.0.v20070208a.jar. It is also possible to copy this bundle into the root and name it startup.jar. In this case it would be possible to start with java -jar startup.jar. Finding a VM, Using JNI Invocation or Executing Java. JNI launching does not currently work on all platforms for all vms.
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- 3Finding a VM, Using JNI Invocation or Executing Java
- 5Splash Screen
The Launcher and its shared library
The launcher executable, eclipse.exe, is in 2 pieces: the executable, and a shared library (eg: eclipse_1006.dll). The executable lives in the root of the eclipse install. The shared library is in a platform specific fragment, org.eclipse.equinox.launcher.[config], in the plugins directory.
With the majority of the launcher code in a shared library that lives in a fragment means that that portion of the launch code can be updated from an update site. Also, when starting from java, the shared library can be loaded via JNI in order to display the splash screen.
Startup.jar
Eclipse can be started directly with java using, for example:
It is also possible to copy this bundle into the root and name it startup.jar. In this case it would be possible to start with java -jar startup.jar.
Finding a VM, Using JNI Invocation or Executing Java
JNI launching does not currently work on all platforms for all vms. Because of this, the launcher can start the Java Virtual Machine either in process through the JNI Invocation API, or in a separate process by executing the java launcher. Which method is used depends on how the vm was found.
Most platforms, we use JNI launching unless a -vm argument was given that points directly to a java executable.
Amazing 2 9 13 cr2 battery. More specifically, a virtual machine and launch method is chosen as follows:
No -vm specified
When no -vm is specified, the launcher looks for a virtual machine first in a jre directory in the root of eclipse and then on the search path. If java is found in either location, then we look for a jvm shared library (jvm.dll on window, libjvm.so on *nix platforms) relative to that java executable. Downie 3 9 103.
- If a jvm shared library is found we load it and use the JNI invocation api to start the vm.
- If no jvm shared library is found, we exec the java launcher to start the vm in a new process.
![Launcher Launcher](https://image.winudf.com/v2/image1/Y29tLm5zdGVudGVycHJpc2VzLnRsdGhlbWUudHJla19zY3JlZW5fMF8xNTkzMjcyNDMyXzAwOQ/screen-0.jpg?fakeurl=1&type=.jpg)
-vm specified on command line or in eclipse.ini
Eclipse can be started with '-vm <location>' to indicate a virtual machine to use. There are several possibilities for the value of <location>:
- java.exe/javaw.exe: <location> is a path to a java launcher. We exec that java launcher to start the vm in a new process.
- jvm.dll or libjvm.so: <location> is a path to a jvm shared library. We attempt to load that library and use the JNI Invocation API to start the vm in the current process.
- vmDesc.ee: <location> is a path to a file ending in '.ee'. This file is expected to describe the execution environment for a jvm. See the Execution Environment Descriptions page.
- directory: <location> is a directory. We look in that directory for: (1) a default.ee file, (2) a java launcher or (3) the jvm shared library. If we find the jvm shared library, we use JNI invocation. If we find a launcher, we attempt to find a jvm library in known locations relative to the launcher. If we find one, we use JNI invocation. If no jvm library is found, we exec java in a new process.
Exceptions
- gtk.linux.ppc, gtk.linux.x86_64, and motif.aix.ppc: Getting JNI to work on these platforms has been problematic for older vms. For these platforms, we exec java unless the -vm argument directly specifies a jvm shared library. Or, if the -vm argument specifies a directory in which no java executable was found but a jvm shared library was found.
- MacOSX: On the mac we are always launching via the JNI invocation API. We use '/System/Library/Frameworks/JavaVM.framework/Versions/Current/JavaVM' as the jvm library. When a -vm argument is given, we parse it for the version of java to specify to JavaVM.
Command line arguments
There are several arguments that can be specified to the eclipse launcher. Arguments that are new are named using the convention --launcher.<arg>, old arguments keep the same name as before.
- --launcher.library <path/to/eclipse shared lib>. This indicates the path to the eclipse shared library to use. By default, the launcher looks in the plugins directory for the matching org.eclipse.equinox.launcher.[config] fragment with the highest version. The shared library is found in that fragment.
- If the path points to a directory, we use the file eclipse_<version>[.<extension>] with the highest version number.
- -startup <path/to/launcher.jar>. This indicates the path to the launcher jar. By default, the launcher looks in the plugins directory for the org.eclipse.equinox.launcher bundle with the highest version and uses it. If this bundle is not found, then the launcher will revert to old behaviour and look for startup.jar in the root.
- If a relative path is given, the launcher will check first relative to the working directory, and second relative to the root of the eclipse install (which is the location of the eclipse.exe)
- -showsplash <path/to/splash.bmp>. If the splash.bmp is specified to the launcher, then the splash screen can be displayed before the java vm is even started. If no splash screen is specified, then once java is started, the Main class will find the splash.bmp as before and call back to the launcher to display it.
- The following are examples of possible values for the path:
- 1) org.eclipse.platform : The launcher will look in the plugins directory for the bundle org.eclipse.platform_<version> with the highest version number, it will then use the 'splash.bmp' file in this directory.
- 2) path/to/somewhere/org.eclipse.platform : The launcher will separate this into a path (path/to/somewhere) and a prefix (org.eclipse.platform). The path indicates the directory (absolute or relative to the eclipse root) in which to search for the splash bitmap in the same way as (1).
- 3) /path/to/somewhere/splash.bmp : An absolute path to the bitmap to use.
- --launcher.suppressErrors. If this is specified, then the launcher will not display a message box with errors if a problem was encountered. This allows the launcher to be used in unattended tests or builds without blocking on an error.
Splash Screen
The splash screen can contain SWT widgets. The progress bar and text on the splash screen (including the build id) are done using SWT. The launcher itself only displays a static bitmap.
Getting an early splash screen
The launcher can display the splash screen before even starting the java virtual machine. This requires that 1) the vm is started using JNI invocation, and 2) the location of the splash bitmap is specified to the launcher (usually in the eclipse.ini file).
See the description of the -showsplash argument above.
Retrieved from 'https://wiki.eclipse.org/index.php?title=Equinox_Launcher&oldid=431354'
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