Amazon CloudWatch Application Signals allows you to auto-instrument Java web applications running on Tomcat server, enabling monitoring of metrics like call volume, latency, faults, and errors to identify performance issues and troubleshoot operational health problems.

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<p>This article provides a guide on how to monitor Java applications running on a Tomcat server using Amazon CloudWatch Application Signals (Preview).</p>
<p>Specifically, the article covers:</p>
<ul>
<li>Solution overview and architecture</li>
<li>Prerequisites and environment setup</li>
<li>Enabling Application Signals and configuring the CloudWatch agent</li>
<li>Instrumenting a Spring PetClinic application and starting Tomcat server</li>
<li>Visualizing the application using Application Signals services dashboard, service overview, operations, traces, and service level objectives (SLOs)</li>
<li>Monitoring Tomcat access and server logs with CloudWatch Logs</li>
<li>Cleaning up resources</li>
<li>Conclusion</li>
</ul>
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