UNC path is missing sharename

[SanderK79]

This Restcontroller example:

 package com.example.controller;

 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import org.springframework.http.MediaType;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 public class ActivityController {
   @Operation(
       summary = "summary",
       responses = {
           @ApiResponse(responseCode = "200", description = ""),
           @ApiResponse(responseCode = "401", description = ""),
           @ApiResponse(responseCode = "403", description = ""),
           @ApiResponse(responseCode = "500", description = ""),
       }
   )
   @GetMapping(value = "/activities", produces = MediaType.APPLICATION_JSON_VALUE)
   public String getActivities() {
     return "";
   }
 }

With this plugin configuration

    <groupId>io.swagger.core.v3</groupId>
    <artifactId>swagger-maven-plugin</artifactId>
    <version>2.2.4</version>
    <configuration>
      <outputFileName>swagger</outputFileName>
      <outputPath>target/docs/apidocs/v3/api</outputPath>
      <outputFormat>YAML</outputFormat>
      <resourcePackages>
        <package>com.example.controller</package>
      </resourcePackages>
      <prettyPrint>true</prettyPrint>
      <readAllResources>false</readAllResources>
      <readerClass>fr.irun.openapi.swagger.readers.SpringOpenApiReader</readerClass>
      <scannerClass>fr.irun.openapi.swagger.SpringOpenApiScanner</scannerClass>
    </configuration>
    <dependencies>
      <dependency>
        <groupId>org.apache.commons</groupId>
        <artifactId>commons-lang3</artifactId>
        <version>3.12.0</version>
      </dependency>
      <dependency>
        <groupId>fr.irun</groupId>
        <artifactId>rocket-swagger</artifactId>
        <version>1.4.0</version>
      </dependency>
      <dependency>
        <groupId>io.swagger.core.v3</groupId>
        <artifactId>swagger-integration</artifactId>
        <version>2.2.4</version>
      </dependency>
      <dependency>
        <groupId>com.google.guava</groupId>
        <artifactId>guava</artifactId>
        <version>30.1-jre</version>
      </dependency>
    </dependencies>
    <executions>
      <execution>
        <phase>compile</phase>
        <goals>
          <goal>resolve</goal>
        </goals>
      </execution>
    </executions>
  </plugin>

Results with the message:

Failed to execute goal io.swagger.core.v3:swagger-maven-plugin:2.2.4:resolve (default) on project aggregation: UNC path is missing sharename: /activities -> [Help 1]

[ERROR] Error resolving API specification
java.nio.file.InvalidPathException: UNC path is missing sharename: \/activities
    at sun.nio.fs.WindowsPathParser.parse (WindowsPathParser.java:118)
    at sun.nio.fs.WindowsPathParser.parse (WindowsPathParser.java:77)
    at sun.nio.fs.WindowsPath.parse (WindowsPath.java:92)
    at sun.nio.fs.WindowsFileSystem.getPath (WindowsFileSystem.java:232)
    at java.nio.file.Path.of (Path.java:147)
    at java.nio.file.Paths.get (Paths.java:69)
    at fr.irun.openapi.swagger.readers.OperationParser.lambda$isSamePath$0 (OperationParser.java:161)
    at java.util.Optional.map (Optional.java:260)
    at fr.irun.openapi.swagger.readers.OperationParser.isSamePath (OperationParser.java:161)
    at fr.irun.openapi.swagger.readers.ClazzMethodReader.read (ClazzMethodReader.java:91)
    at fr.irun.openapi.swagger.readers.SpringOpenApiReader.read (SpringOpenApiReader.java:227)
    at fr.irun.openapi.swagger.readers.SpringOpenApiReader.read (SpringOpenApiReader.java:126)
    at fr.irun.openapi.swagger.readers.SpringOpenApiReader.read (SpringOpenApiReader.java:153)
    at io.swagger.v3.oas.integration.GenericOpenApiContext.read (GenericOpenApiContext.java:617)
    at io.swagger.v3.plugin.maven.SwaggerMojo.execute (SwaggerMojo.java:84)

This error only occures when running on windows. Running on a mac does not produce an error