> On 27. feb. 2016, at 18.08, Steffen Winther Sørensen <s...@siimnet.dk> wrote: > > >> On 27. feb. 2016, at 02.18, Joshua J. Kugler <jos...@azariah.com >> <mailto:jos...@azariah.com>> wrote: >> >> Howdy! Setting up collectd is going well. Just hit a couple snags. >> >> I'm trying to use the JMX plugin to get metrics. I'm implementing >> information >> I've been handed by others, so don't have 100% introspection into the target >> server. I'm seeing this in the collectd logs: "getAttribute failed: >> javax.management.ReflectionException: No such operation: Count" But...it's >> not >> telling me the MBean on which it is throwing that error. How could I obtain >> that information? > Well you could apply binary search by only enabled half of mbeans at a time > and thus narrow in on the bad one. > Or try connecting a JConsole against your app and browse the app. mbeans and > verify them. > >> >> Also getting this message: GenericJMXConfValue: Cannot convert list of >> objects >> to numbers., again with no mention of the MBean that is failing. What config >> might I need to change so it will accept the list of objects? > No not sure, maybe you’ve gotten multivalued objects and need to be more > specific targeting. > I was new to mbeans and confused about naming but found through jconsole > browsing <https://dl.dropboxusercontent.com/u/13225502/jmxmbeanexample.tiff> > my cassandra mbeans for logstash jmx collection like these: > > { > "host" : "localhost", > "port" : 8081, > "alias" : "meta", > "queries" : [ { > "object_name" : > "org.apache.cassandra.metrics:type=Cache,scope=KeyCache,name=Capacity", > "object_alias" : "${type}.${scope}.${name}" > },{ > "object_name" : > "org.apache.cassandra.metrics:type=Cache,scope=KeyCache,name=Entries", > "object_alias" : "${type}.${scope}.${name}" > },{ > "object_name" : > "org.apache.cassandra.metrics:type=Cache,scope=KeyCache,name=HitRate", > "object_alias" : "${type}.${scope}.${name}" > },{ > "object_name" : > "org.apache.cassandra.metrics:type=Cache,scope=KeyCache,name=Size", > "object_alias" : "${type}.${scope}.${name}" > },{ > "object_name" : > "org.apache.cassandra.metrics:type=Cache,scope=KeyCache,name=Hits", > "attributes" : > ["Count","FifteenMinuteRate","FiveMinuteRate","OneMinuteRate","MeanRate","RateUnit","EventType"], > "object_alias" : "${type}.${scope}.${name}" > } > } ] > } > > Maybe it’ll help lead you in right direction... > > /Steffen > >
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