There are various reasons cause the swagger to fail to load the API definition and you will get the error shared in the below screenshot. Below are the possible reasons,<\/p>\n
Swagger misconfiguration
\n Controller methods without HTTP verbs (HttpGet, HttpPost etc.)
\n Same class name
\netc\u2026<\/p>\n
\u00a0 <\/p>\n
Fig 1. Failed to load definition error in Swagger<\/p>\n
Solution:<\/em><\/strong><\/p>\n The Swagger can be launched by adding the \u2018\/swagger\u2019 after your API URL which doesn\u2019t show the error details causing the Swagger to fail to load. If you navigate to \u2018swagger\/v1\/swagger.json\u2019 page you will see error details which helpful in addressing the issues. Once all the issues are addressed then you can launch the Swagger URL to view the API definitions.<\/p>","protected":false},"excerpt":{"rendered":" There are various reasons cause the swagger to fail to load the API definition and you will get the error shared in the below screenshot. Below are the possible reasons, Swagger misconfiguration Controller methods without HTTP verbs (HttpGet, HttpPost etc.) Same class name etc\u2026 \u00a0 Fig 1. Failed to load … <\/p>\n
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\nhttp:\/\/localhost:{PortNo}\/swagger\/index.html<\/p>\n
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\nhttp:\/\/localhost:{PortNo}\/swagger\/v{VersionNo}\/swagger.json
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\nNote: v1 is the version of your API. Change the version according to your API version.<\/p>\n