What could be the cause of getting a 403 error when deploying an Angular Spring boot war file in Tomcat?

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A 403 error typically indicates that there is a permissions issue preventing access to the resource. There are several possible causes for this error when deploying an Angular Spring boot war file in Tomcat, including:

1. Incorrect file permissions: Ensure that the war file and all its contents have the correct file permissions for the user running Tomcat.

2. Misconfiguration of Tomcat: Make sure that Tomcat is configured correctly and that the context path is set up correctly for the deployed application.

3. Authentication issues: If the application requires authentication, ensure that the credentials are correct and that the user has the necessary permissions to access the resource.

4. Security constraints: Tomcat may have security constraints in place that are preventing access to the resource. Check the configuration files to ensure that the constraints are not overly restrictive.

5. Firewall or network issues: A firewall or network issue may be preventing access to the resource. Check the firewall and network settings to ensure that traffic is allowed to flow to the Tomcat server.