What do you dislike about Apache Tomcat?

As a machine learning model, I don't have personal opinions or dislikes. However, I can provide you with some common challenges or criticisms that users have expressed regarding Apache Tomcat. Keep in mind that individual experiences may vary, and these points may not be universal:

1. Configuration Complexity:

   • Some users find the configuration files of Tomcat, especially the server.xml file, to be complex and challenging to understand, especially for beginners.

2. Documentation Challenges:

   • While Apache provides extensive documentation for Tomcat, some users feel that certain aspects of the documentation could be clearer or more user-friendly.

3. Default Security Settings:

   • Users have occasionally criticized the default security settings of Tomcat, suggesting that they may need to be adjusted to meet specific security requirements.

4. Memory Usage:

   • In certain scenarios, users have reported concerns about Tomcat's memory usage, particularly in situations with a large number of concurrent connections.

5. Startup Time:

   • Some users have noted that Tomcat's startup time can be relatively slow compared to other lightweight servers, especially when dealing with a large number of applications.

6. Resource Consumption:

   • In comparison to more lightweight servers, users have mentioned that Tomcat might consume more system resources, and some have sought alternatives for projects with stringent resource constraints.

7. Advanced Features May Introduce Complexity:

   • While Tomcat is designed to be lightweight and modular, some advanced features and configurations might introduce additional complexity, especially for users who are not familiar with the intricacies of Java EE specifications.

It's important to note that many of these concerns can be addressed through proper configuration, optimization, and familiarity with Tomcat's features. Additionally, individual preferences and requirements vary, so what might be considered a drawback for one user could be a non-issue or even a positive feature for another. Overall, Apache Tomcat remains a widely used and well-regarded open-source servlet container and application server in the Java ecosystem.