WireMockRule cause error 500 when getInputStream from urlConnection

Is it normal that the code above cause a HTTP response code: 500 ? :

public class MyTest {

    @Rule
    public WireMockRule wireMockRule = new WireMockRule(7032);

    @Test
    public void exampleTest() throws IOException {
        stubFor(get(urlEqualTo("/my/resource"))
                .withHeader("Accept", equalTo("text/xml"))
                .willReturn(aResponse()
                        .withStatus(200)
                        .withHeader("Content-Type", "text/xml")
                        .withBody("<response>Some content</response>")));

        URLConnection urlConnection = new URL("http://localhost:7032/my/resource").openConnection();
        Assert.assertNotNull(urlConnection.getInputStream()); // java.io.IOException: Server returned HTTP response code: 500 for URL: http://localhost:7032/my/resource
    }

}

It’s throw

java.io.IOException: Server returned HTTP response code: 500 for URL: http://localhost:7032/my/resource

I am using Wiremock 2.5.1 with JUnit 4.12.

[Aure77]

I found the problem. My projet (target 1.6) use servlet-api 2.5 as dependency to compile my sources (I am using an old application server).

<dependency>
	<groupId>javax.servlet</groupId>
	<artifactId>servlet-api</artifactId>
	<version>2.5</version>
	<scope>provided</scope>
</dependency>

But it is in conflict with Wiremock jetty servlet api version 3.1 causing this error 500… Do you have any solution to isolate wiremock test dependencies (I can’t upgrade my project to servlet api 3.1) ?

[tomakehurst]

That’s a hard one to solve unfortunately, other than by running WireMock in a separate process.