I want to automatically run a Java application under Windows at startup time, but not depending on a specical Windows or a special JRE-version.
Generally, a good way to run programs at Windows login time would be to add a registry entry under
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
But it seems as if the system PATH is not evaluated when Windows tries to run the programs listed in the registry's RUN section.
So these both entries do work:
"C:\Program Files\Java\jdk1.8.0_111\bin\javaw" -jar c:\path\to\java.jar
"C:\ProgramData\Oracle\java\javapath\javaw" -jar c:\path\to\java.jar
But this one doesn't come up:
javaw -jar c:\path\to\java.jar
Now, the latter works when manually entered in a console window because there the required PATH exists and is evaluated:
PATH=....;C:\ProgramData\Oracle\Java\javapath;....
Now, I want to have the registry entry added from an automated installer programm and I would like to have it formed "windows-system-independent" (from Vista up to Win 10, and furthermore not depending from the version of the installed JRE). So I do not know a general path to the JRE and therefore I cannot add a specific RUN-command to the registry.
Does anyone know how to add JRE-calls system-independent correctly to the registry's RUN-section?
I've already tried with a command-file, eg "startup.cmd" with content java -jar file.jar
there, have added a call of this file to the registry, and yes that worked, java was found, the application was started, but when using this method I have an annoying black command terminal window staying open all the time while the java app is running.
Thanx, Tombo
Change your startup.cmd, from
java -jar file.jar
to
start java -jar file.jar
This will launch the java.exe in a new process an let your batch executor terminate.
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