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How do I get the id of my Java process?
I know there are several platform-dependent hacks, but I would prefer a more generic solution.
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getRuntimeMXBean(). getName() looks like the best (closest) solution, and typically includes the PID. It's short, and probably works in every implementation in wide use. On linux+windows it returns a value like "12345@hostname" ( 12345 being the process id).
Task Manager can be opened in a number of ways, but the simplest is to select Ctrl+Alt+Delete, and then select Task Manager. In Windows, first click More details to expand the information displayed. From the Processes tab, select Details to see the process ID listed in the PID column.
On Linux, you can view processes with the ps command. It is the simplest way to view the running processes on your system. You can use the ps command to view running Java processes on a system also by piping output to grep .
There exists no platform-independent way that can be guaranteed to work in all jvm implementations. ManagementFactory.getRuntimeMXBean().getName() looks like the best (closest) solution, and typically includes the PID. It's short, and probably works in every implementation in wide use.
On linux+windows it returns a value like "12345@hostname" (12345 being the process id). Beware though that according to the docs, there are no guarantees about this value:
Returns the name representing the running Java virtual machine. The returned name string can be any arbitrary string and a Java virtual machine implementation can choose to embed platform-specific useful information in the returned name string. Each running virtual machine could have a different name.
In Java 9 the new process API can be used:
long pid = ProcessHandle.current().pid(); If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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