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How to Prevent PathVariable Truncation in Spring MVC?

Patricia Arquette

Oct 31, 2024 am 03:56 AM

How to Prevent PathVariable Truncation in Spring MVC?

Resolving PathVariable Truncation in Spring MVC

In your Spring MVC controller, you've encountered an issue where path variables with special characters are getting truncated. This is evident when attempting to access a URL like "/get/blah2010.08.19-02:25:47", resulting in the path variable "blahName" being shortened to "blah2010.08".

To prevent this truncation and ensure that the full path variable is preserved, you can employ a regular expression within the @RequestMapping argument. The modified code below demonstrates this solution:

@RequestMapping(method = RequestMethod.GET, value = Routes.BLAH_GET + "/{blahName:.+}")

By using ". ", the regular expression matches any character sequence of one or more characters. This ensures that path variables of any length and containing special characters are accepted without truncation.

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