Problem:
The Java Machine Agent is not reporting metrics. The following error message is displayed in the Machine Agent logs:
[extension-scheduler-pool-1] 11 October 2017 08:54:03,625 ERROR RawCollectorUtil -
Could not collect raw data
com.fasterxml.jackson.databind.JsonMappingException: Unrecognized character escape ‘d’ (code 100)
at [Source: java.io.StringReader@5ae97f86; line: 159; column: 115453]
at [Source: java.io.StringReader@5ae97f86; line: 159; column: 115453] (through reference chain:
com.appdynamics.sim.agent.extensions.servers.model.newlinux.Process][“effectiveGroup”])
Solution:
Restart the machine agent with the following startup parameter:
-Dappdynamics.machine.agent.extensions.linux.newFrameworkEnabled=false
Example:
java -Dappdynamics.machine.agent.extensions.linux.newFrameworkEnabled=false -jar machineagent.jar