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docker内のアプリにjmxremoteする

Last updated at Posted at 2020-05-14

絶対に忘れそうなので、備忘録を兼ねて。
spring-boot + docker-compose で試しました。

docker内で動くアプリには下記の設定をしておく

-Djava.rmi.server.hostname=0.0.0.0
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=10080
-Dcom.sun.management.jmxremote.rmi.port=10080
-Dcom.sun.management.jmxremote.local.only=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.authenticate=false

10080 port で jmxremote したいので、 docker は -p 10080:10080 とかして起動しておきましょう。

手元のマシンからアプリが動いてるサーバにsocks proxyを張る

ssh -fN -D 7777 接続したいサーバ

jconsoleでつなぐ

jconsole -J-DsocksProxyHost=localhost -J-DsocksProxyPort=7777 service:jmx:rmi:///jndi/rmi://localhost:10080/jmxrmi -J-DsocksNonProxyHosts=

終わり。

【参照】
https://stackoverflow.com/questions/15093376/jconsole-over-ssh-local-port-forwarding
https://shinpei.github.io/blog/2015/03/28/use-jmx-over-ssh

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