JMX Defined [closed]

JMX is a way to view and manipulate the runtime state of your application. It’s somewhat similar in concept to SNMP, if that helps. IMO, it’s indispensable for monitoring and understanding server-type applications that might not have any other user interface besides writing to a log file. The basic approach is to create an interface … Read more

What do you monitor with JMX in your production Java application?

At the JVM level, I monitor the garbage collection duration per minute, At the Servlet Container level, I monitor the number of requests, number of exceptions (4xx & 5xx codes) , sum of request duration per minute, At the SOAP level, I monitor the number of invocations, number of exceptions & sum of invocations per … Read more

How to enable remote JMX on Kafka brokers (for JmxTool)?

Edit bin/kafka-run-class.sh and set KAFKA_JMX_OPTS variable KAFKA_JMX_OPTS=”-Dcom.sun.management.jmxremote=true -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=your.kafka.broker.hostname -Djava.net.preferIPv4Stack=true” Update bin/kafka-server-start.sh add the below line export JMX_PORT=PORT

MBean persistence

I think your problem is the JBoss implementation of JMX. According to JSR160, specifying persistPolicy=OnUpdate for an attribute should result in persisting every time the attribute is updated (from JSR160 1.4): persistPolicy – Defines the default persistence policy for attributes in this MBean that do not define their own persistPolicy. Takes on one of the … Read more

other open source alternatives to codahale’s “metrics”? [closed]

Some suggestions: Perf4J: Perf4J is a set of utilities for calculating and displaying performance statistics for Java code. ERMA: ERMA (Extremely Reusable Monitoring API) is an instrumentation API that has been designed to be applicable for all monitoring needs. javasimon: Java Simon is a simple monitoring API that allows you to follow and better understand … Read more

How to access Spring-boot JMX remotely

By default JMX is automatically accessible locally, so running jconsole locally would detect all your local java apps without port exposure. To access an app via JMX remotely you have to specify an RMI Registry port. The thing to know is that when connecting, JMX initializes on that port and then establishes a data connection … Read more

JMX password read access issue

Make sure the user you are using to run the java process have access to the file (owner/read permissions). Try: chmod 600 jmxremote.password Plus I suggest you’ll make your own password file and run it with -Dcom.sun.management.jmxremote.password.file=pwFilePath All explained here.

How to connect to a java program on localhost jvm using JMX?

We use something like the following to programatically connect to our JMX servers. You should run your server with something like the following arguments: -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.port=1234 -Dcom.sun.management.jmxremote.ssl=false To bind to a particular address you’ll need to add the following VM arguments: -Djava.rmi.server.hostname=A.B.C.D Then you can connect to your server using JMX client code like … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)