Error while executing linux command using Java -

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i'm trying execute following command using java

process acquirinterfaces = runtime.getruntime().exec("dumpcap -d");

and getting error as

java.io.ioexception: cannot run program "dumpcap": java.io.ioexception: error=2, no such file or directory

linux box im executing command has got installed dumpcap located under (/usr/local/bin)

what mistake im doing, please help

use following line, exact path:

process acquirinterfaces = runtime.getruntime().exec("/usr/local/bin/dumpcap -d");

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