Bug Report Checklist
Description
Generation of client classes fails with class cast Exception while generation using maven Plugin.
Running mvn clean compile fails with
[ERROR]
java.lang.RuntimeException: Could not process operation:
Tag: class Tag {
name: Process
description: REST-Services.
externalDocs: null
}
Operation: getProcessUsingGET
Resource: get /api/prozesse
Schemas: {}
Exception: java.time.OffsetDateTime cannot be cast to java.lang.String
openapi-generator version
4.2.3
(Happens also in earlier Versions of 4.x.x)
OpenAPI declaration file content or url
The Spec used: (its valid according to https://apitools.dev/swagger-parser/online/ and https://editor.swagger.io/ )
swagger: '2.0'
info:
description: 'REST service'
version: '2.1.9'
title: REST
host: localhost
basePath: /
tags:
- name: Process
description: REST-Services.
paths:
/api/prozesse:
get:
tags:
- Process
summary: Return a list of Process
description: |
Max response time MAX_RESPONSE_TIME_MS=20
operationId: getProcessUsingGET
produces:
- application/json;charset=utf-8
parameters:
- name: dateFrom
in: query
description: Filters out Transactions before this date
required: true
type: string
default: '2000-01-01T00:00:00.001Z'
format: date-time
allowEmptyValue: false
responses:
'200':
description: OK
'400':
description: Bad Request
'401':
description: Unauthorized
'403':
description: Forbidden
'404':
description: Not Found
security:
- bearer: []
deprecated: false
securityDefinitions:
bearer:
type: apiKey
name: Authorization
in: headerUsed pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>failing-with-class-cast-exception</artifactId>
<name>failing-with-class-cast-exception</name>
<groupId>com.example</groupId>
<version>0.0.1-SNAPSHOT</version>
<build>
<plugins>
<plugin>
<groupId>org.openapitools</groupId>
<artifactId>openapi-generator-maven-plugin</artifactId>
<version>4.2.3</version>
<executions>
<execution>
<id>kto-privatkunde</id>
<goals>
<goal>generate</goal>
</goals>
<configuration>
<inputSpec>process.yml</inputSpec>
<generatorName>java</generatorName>
<generateApiTests>false</generateApiTests>
<generateModelTests>false</generateModelTests>
<configOptions>
<library>jersey2</library>
<hideGenerationTimestamp>true</hideGenerationTimestamp>
<delegatePattern>true</delegatePattern>
<java8>java8</java8>
<dateLibrary>java8</dateLibrary>
</configOptions>
<additionalProperties>failOnEmptyBeans=false</additionalProperties>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
Command line used for generation
mvn clean compile
Steps to reproduce
Setup maven project and run mvn clean compile
Related issues/PRs
Suggest a fix
Bug Report Checklist
Description
Generation of client classes fails with class cast Exception while generation using maven Plugin.
Running
mvn clean compilefails withopenapi-generator version
4.2.3
(Happens also in earlier Versions of 4.x.x)
OpenAPI declaration file content or url
The Spec used: (its valid according to https://apitools.dev/swagger-parser/online/ and https://editor.swagger.io/ )
Used pom.xml
Command line used for generation
mvn clean compileSteps to reproduce
Setup maven project and run
mvn clean compileRelated issues/PRs
Suggest a fix