Error Failed to load resource in SAPUI5 application

The "Failed to load resource" error in SAPUI5 applications typically occurs when the application cannot locate a required file. It is clear from your error message: VisitorData.view.js is not found, so you have to check if this view actually exists and there are no permission issues on this view.

Common Causes

This error usually happens due to one of the following reasons ?

• The view file does not exist in the specified path
• Incorrect file path or naming convention
• Permission issues preventing file access
• Development mode not enabled

Troubleshooting Steps

Step 1: Verify Deployed Services

Try checking this to view list of deployed services ?

http://hanaservername.com:4000/ui_test/ui5_test/WebContent/resources/

Step 2: Enable Development Mode

You have to add the following configuration in your web.xml file ?

<context-param>
   <param-name>com.sap.ui5.resource.DEV_MODE</param-name>
   <param-value>true</param-value>
</context-param>

Step 3: Check File Structure

Ensure that your view file exists in the correct directory structure. For example, if you have a view named VisitorData.view.js, verify it exists in the expected folder path within your project structure.

Additional Solutions

If the above steps don't resolve the issue, consider the following ?

• Clear browser cache and refresh the application
• Check for typos in file names and paths
• Verify that all required dependencies are properly loaded
• Review the manifest.json file for correct resource mappings

Conclusion

The "Failed to load resource" error in SAPUI5 is typically resolved by verifying file existence, enabling development mode, and ensuring proper file permissions and path configurations.