Hi all,<p>We've just updated the Groovy client generator to support the latest version of Groovy (2.5.7). To generate a Groovy API client given an OpenAPI spec, please follow the steps below:<p>1. Download the Java JAR (<a href="https://oss.sonatype.org/content/repositories/snapshots/org/openapitools/openapi-generator-cli/4.0.0-SNAPSHOT/openapi-generator-cli-4.0.0-20190511.181641-641.jar" rel="nofollow">https://oss.sonatype.org/content/repositories/snapshots/org/...</a>)<p>2. Rename the JAR as "openapi-generator-cli.jar"<p>3. Run the following command to generate a Groovy API client for the Petstore API (<a href="https://raw.githubusercontent.com/OpenAPITools/openapi-generator/master/modules/openapi-generator/src/test/resources/2_0/petstore.yaml" rel="nofollow">https://raw.githubusercontent.com/OpenAPITools/openapi-gener...</a>):<p>Mac/Linux:<p>- java -jar openapi-generator-cli.jar generate -g groovy -i <a href="https://raw.githubusercontent.com/OpenAPITools/openapi-generator/master/modules/openapi-generator/src/test/resources/2_0/petstore.yaml" rel="nofollow">https://raw.githubusercontent.com/OpenAPITools/openapi-gener...</a> -o /var/tmp/groovy-api-client/<p>Windows:<p>- java -jar openapi-generator-cli.jar generate -g groovy -i <a href="https://raw.githubusercontent.com/OpenAPITools/openapi-generator/master/modules/openapi-generator/src/test/resources/2_0/petstore.yaml" rel="nofollow">https://raw.githubusercontent.com/OpenAPITools/openapi-gener...</a> -o C:\tmp\groovy-api-client<p>Thanks Vincent Devos for his contribution on this (<a href="https://github.com/OpenAPITools/openapi-generator/pull/2847" rel="nofollow">https://github.com/OpenAPITools/openapi-generator/pull/2847</a>)<p>Best regards,<p>William