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when I do a killall java there is no response...However the next time I press enter I get a response.

Is this normal? Its ruining my cron job as it doesnt mail the killall output.

Using Centos 6.

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Java is quite touchy, in my experience. It does not like to die right away, but instead will finish up whatever it's doing before exiting gracefully. – JoelESalas Feb 7 at 0:24
What do you mean by "there is no response"? Do you mean your killall hangs? Or returns without any output? Or do you mean it appears to work normally but the process doesn't die? Or what? – David Schwartz Feb 7 at 0:32
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A killall, by default, is a polite request for the process to shut down. It may take its time, it may ignore it, it may fail to do it. A common pattern is to send a regular killall, wait a few seconds to see if the process has terminated, send another if not, wait a few more seconds, and then switch to more aggressive termination methods if needed.

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