Spring boot application running in Linux Azure App Service (Java SE) starts with below warning if Application Insights is enabled. Application Insights doesn't show any data related tot the application.
Running STARTUP_COMMAND: java -jar -Dspring.profiles.active=test /home/site/wwwroot/app.jar -Dserver.port=80 -Duser.dir=/local/site/wwwroot
Following line is printed in the logs.
m.applicationinsights.agent - Detected running on a read-only file system. Status json file won't be created. If this is unexpected, please check that process has write access to the directory: /root/LogFiles/ApplicationInsights/status
Does this file permission error causes no telemetry data being send to Application Insights? No other error found in the application logs.