fix: Fix document upload API path

Author: JanEbbing

CHANGELOG.md

@@ -5,6 +5,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+## Unreleased
+### Fixed
+* Change document upload to use the path `/v2/document` instead of `/v2/document/` (no trailing `/`).
+  Both paths will continue to work in the v2 version of the API, but `/v2/document` is the intended one.
+
+
 ## [1.4.0] - 2023-11-03
 ### Added
 * Add optional `context` parameter for text translation, that specifies
@@ -93,6 +99,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 Initial version.
 
 
+[Unreleased]: https://github.com/DeepLcom/deepl-java/compare/v1.4.0...HEAD
 [1.4.0]: https://github.com/DeepLcom/deepl-java/compare/v1.3.0...v1.4.0
 [1.3.0]: https://github.com/DeepLcom/deepl-java/compare/v1.2.0...v1.3.0
 [1.2.0]: https://github.com/DeepLcom/deepl-java/compare/v1.1.0...v1.2.0

deepl-java/src/main/java/com/deepl/api/Translator.java

@@ -447,7 +447,7 @@ public DocumentHandle translateDocumentUpload(
     try (FileInputStream inputStream = new FileInputStream(inputFile)) {
       HttpResponse response =
           httpClientWrapper.uploadWithBackoff(
-              "/v2/document/", params, inputFile.getName(), inputStream);
+              "/v2/document", params, inputFile.getName(), inputStream);
       checkResponse(response, false, false);
       return jsonParser.parseDocumentHandle(response.getBody());
     }