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Errors can be handled either during page rendering or when a portlet is interacted with. Simple Portal categorizes errors and associates each error type with a category name (string) that can be used to for programatic handling. The error categories are as follows:
| Category name | Use case |
|---|---|
not_found
|
The portlet that triggered the error cannot be located |
portlet_error
|
The portlet triggered an exception |
internal_error
|
The portlet triggered an unexpected exception recognized as an internal error |
unavailable
|
The portlet is located but has been put out of service |
Table 3.1. Error Categories