Java (Java Agent, Installation, JVM, and Controller Installation)

Cannot Start Machine Agent in a Free SAAS Trial Environment

Hi there, I installed the MachineAgent-4.5.7.1975 on my MAC Mojave 10.14.3. My Java env: java version "11.0.1" 2018-10-16 LTS Java(TM) SE Runtime Environment 18.9 (build 11.0.1+13-LTS) Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.1+13-LTS, ...

Resolved! IBM MQ monitoring with AppDynamics prerequisites

Hi all, We are configuring the MQ extension for AppDynamics. We get 2 different types of errors. I don't know the exact MQ prerequisites that the extension needs to get the data from MQ. Do we need to enable any MQ statistics? Currently, we don't...

Creating a metric for the difference between two JMX values

Hi all, I have a 3rd party library that exposes metrics via JMX. Unfortunately some of them are simple counters: values that start at 0 and go up and up as the app runs. Over time, the numbers get so big that looking at a graph over a short time ...

Resolved! Java 11 Agent fails to start

I am trying to use the java agent to evaluate appdynamics. The agent will not start, where I expect to see the agent startup messages I see this: Java 9 detected, booting with Java9Util enabled.Unable to locate appagent version to use - Java agent...

java.sql.SQLException: Unknown initial character set index '255' received from server.

Hi, I just upgraded to MySQL Enterprise 8.0 and wanted to test Appdynamics again after a long time (I used it some years ago with an older version of MySQL already). So I installed the new dbagent from AppDynamics and configured it (conf/controller...

Troubleshoot Java agent installation on Amazon EC2 instance with Tomcat server

Hello, I am facing issues while trying to setup monitoring for our Amazon EC2 instance which runs JVM and Tomcat service. Following is a snapshot of the logs: ``` ERROR Cannot access RandomAccessFile {}) java.io.FileNotFoundException: /home/ubuntu/...

NoClassDefFoundError:JsonProcessingException

Hi, Hi, I have a Java application with log4j2, my log file is configured to save in JSON, so when I start my application to appdynamics, a runtime error occurs, so my application is not monitored. My application starts but is not being monitored....

How do I create a heap dump with AppD?

Typically in a java application we do specify the following JVM arguments like: -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=./java_pid<pid>.hprof -XX:OnOutOfMemoryError="< cmd args >;< cmd args > -XX:+UseGCOverheadLimit Is it possible to ...

Nested method level instrumentation with Java Spring boot application

I am trying to get a nested method level instrumentation (like time spend in executing the method etc.) and i would like to specify the highest level method in the call stack. I would like to see the instrumentation data starting with the top most me...

Issues getting Object instance tracking to work

I am having some issues getting Object instance tracking to work in our portal QNA environment. When I click on the Object instance Tracking tab, nothing is happening on the page. I got an error when I tried to set the CLASSPATH: $ java -Xbootclassp...

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