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Sumo Logic

Apache Tomcat Alerts

This page explains the Apache Tomcat Alerts

To help determine if the Apache Tomcat server is available and performing well, the Sumo Logic monitors are provided with out of box alerts.

Alert Name Alert Description Alert Condition Recover Condition

Apache Tomcat - Access from Highly Malicious Sources

This alert fires when a Tomcat is accessed from highly malicious IP addresses.

> 0 <= 0

Apache Tomcat - High Client (HTTP 4xx) Error Rate

This alert fires when there are too many HTTP requests (>5%) with a response status of 4xx.

> 0 0

Apache Tomcat - High Server (HTTP 5xx) Error Rate

This alert fires when there are too many HTTP requests (>5%) with a response status of 5xx.

> 0 0

Apache Tomcat - High Memory Usage

This alert fires when the memory usage is more than 80 %.

> 80 % <=80%

Apache Tomcat - Error

This alert fies when error count is greater than 0.

> 0 0