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The first number is the process ID (PID) and the second one the parent process ID (PPID). So when you started '3109' (apparently a wrapper) it got started by the init process (PPID 1) and launched a child process with ID 3112. The second process has the first one as parent.
I'm not much into Java but here's some explanation on Java wrappers and why they're used. On the other hand you can also have TCP wrappers, which are explained a bit on this page. Hope this clears it up a bit.
i guess, it is normal behavior of the process , like if a running process start a new child process than that running process become parent process of child process. child and parent concepts are most common into thread process and also JAVA is multi-thread process.