https://issues.apache.org/bugzilla/show_bug.cgi?id=52765
Bug #: 52765
Summary: ZeroConf does not work
Product: Log4j
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: blocker
Priority: P2
Component: chainsaw
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
There are a couple aspects of this problem for me to address, so here we go.
This report is based on the latest trunk of Chainsaw as of earlier today
(should be revision 1178454), on Ubuntu 11.04.
First of all, the old 2006 binary (found here:
http://logging.apache.org/chainsaw/download.html) is capable of detecting
appenders registered with a type of _log4j._tcp.local. This is no longer so in
the latest revision (although it doesn't really hold me back, personally). I
think (per this ticket:
https://issues.apache.org/bugzilla/show_bug.cgi?id=48907) that
_log4j._tcp.local. was supposed to be supported for backwards compatibility
with the ZeroConfSocketHubAppender.
Secondly, I don't think that the ZONEs are formatted correctly for the other
appenders/receivers, nor in ZeroConfPlugin.java. For example, I believe that
this:
_log4j_xml_udp_appender.local.
should be:
_log4j_xml_udp_appender._udp.local.
Note the missing `._udp'. I'm not terribly familiar with
ZeroConf/mDNS/Bonjour/whatever, but I do believe that the protocol (tcp or udp)
is required as part of the registration. Concretely, if I make the suggested
change and then try the following ruby code, the appender is correctly
configured in Chainsaw:
require 'dnssd'
name = "My log4j appender"
type = "_log4j_xml_udp_appender._udp"
domain = nil
port = 3689
DNSSD.register(name, type, domain, port)
puts "Press enter to exit . . ."
gets
If I wasn't clueless about Java development, I'd give fixing this a shot...
-Charles
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