Am 07.08.2009 um 07:45 schrieb Chuck Hill:
Yes, I know how to get a thread dump. There are many tools. The
question is why the simple, basic kill -QUIT is not working for
deployed apps on Leopard.
Works for me (wonder wotaskd, custom launchd script). Dunno if the
launch script influences it.
Cheers, Anjo
s11:~ root# cat /Library/LaunchDaemons/ch.aximus.wotaskd.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd
">
<plist version="1.0">
<dict>
<key>Disabled</key>
<true/>
<key>KeepAlive</key>
<true/>
<key>Label</key>
<string>ch.aximus.wotaskd</string>
<key>Program</key>
<string>/usr/local/bin/startWOtaskd.rb</string>
<key>ProgramArguments</key>
<array>
<string>wotaskd</string>
<string>wotaskd</string>
<string>-WOPort</string>
<string>1085</string>
</array>
</dict>
</plist>
s11:~ root# cat /usr/local/bin/startWOtaskd.rb
#!/usr/bin/env ruby
# (2008-Dec-08)
$:.push("/usr/local/etc")
require 'siteconfig'
counter = 1
threshold = 6
logfile = "/Work/Logs/Apps/wotaskd.out"
program = File.basename($0)
defaultPath = "/System/Library/WebObjects/JavaApplications/wotaskd.woa/"
user = "appserver"
$pid = nil
if ARGV.size == 0
puts "Usage: #{program} path_to_wotaskd [arguments]"
puts "Example:\n #{program} wotaskd -WOPort 1085"
puts "The program will be started under user '#{user}'"
puts "Default path: #{defaultPath} (if path_to_wotaskd is relative)"
puts "Logfile: #{logfile}"
exit 1
end
wotaskd = ARGV.shift
wotaskd = defaultPath + wotaskd unless wotaskd =~ /^\//
args = ARGV.join(" ")
unless File.exist?(wotaskd)
puts "ERROR. File not found: #{wotaskd} (ARGS= #{args} )"
exit 1
end
command = "sudo -u #{user} #{wotaskd} #{args}"
stdout = nil # set to "stdout" for debug output
$SYSLOG = SysLogger.new("startWOtaskd", 5, stdout, "syslog")
trap("TERM") { # TERM is the default kill signal
if $pid != nil && $pid > 100
$SYSLOG.notice "SIGTERM received. Stopping wotaskd (pid=#{$pid})."
Process.kill("SIGTERM", $pid)
end
exit 0
}
while (counter <= threshold)
if ($pid = fork) == nil
outfile = File.new(logfile, "a")
outfile.puts "\nNEWRUN (Pid=#{$$} Counter=#{counter})
#{`date`}"
outfile.puts "COMMAND: #{command}"
$stdout.reopen(outfile)
$stderr.reopen(outfile)
exec(command)
else
$SYSLOG.notice "STARTING wotaskd (Pid=#{$pid} Counter=#{counter}).
Logfile= #{logfile}"
Process.wait
end
counter = counter + 1
sleep 10
end
$SYSLOG.error "Restart threshold reached. Did restart wotaskd
#{threshold} times, giving up."
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