Apache Tomcat

Supported Versions

Currently supported versions are Apache Tomcat 5.0 or newer.

Sensor (Data Collection)

Tracked Configuration

  • Version
  • Home
  • Webapps
  • Application Configuration
  • Connectors
  • Servlets

Metrics

  • Requests
  • Average Response Times
  • Errors
  • Sessions
  • Connectors
  • Data Sources

Health Signatures

Health Description
Connection limit reached Active connections reached maximum number of connections.
Thread limit reached Threads reached maximum number of threads.
Sudden drop in the number of session Significant drop in the number of session (50%).
Sudden increase in the number of session Significant increase in the number of session (50%).

Configuration

Naming Tomcat

Instana extracts the name for the Tomcat instances leveraging the ServerInfo.properties file. By editing it you can influence the naming within Instana by simply editing:

CATALINA_BASE/lib/org/apache/catalina/util/ServerInfo.properties

and change this value:

server.info=Apache Tomcat/7.0.x