Unhealthy targets for Elastic Load Balancing

While using Elastic Load Balancing, you may face issues when accessing an application.

Problem Statement: The targets in the Target Groups that are assigned to Elastic Load Balancing are unhealthy.

The solution to the preceding problem statement is as follows:

1. Check whether all the targets serving the Elastic Load Balancing are healthy. Use port 80 to verify the listener:

2. Go to the Target Groups assigned to Elastic Load Balancing.
3. In the Targets tab, verify the registered targets and make sure that the targets have the port that has Tomcat running on it. In this case, Tomcat is running on 8080:

4. Go to Health checks and edit the path where the application is accessible.
5. Configure Timeout, Interval, and Success codes:

6. Wait until the interval time and check the status of Targets again.