#fixed code
                              @Test
  public void whenDomainReadFromYaml_unconfiguredServerHasDomainDefaults() throws IOException {
    Domain domain = readDomain(DOMAIN_V2_SAMPLE_YAML);
    ServerSpec serverSpec = domain.getServer("server0", null);

    assertThat(serverSpec.getImage(), equalTo(DEFAULT_IMAGE));
    assertThat(serverSpec.getImagePullPolicy(), equalTo(IFNOTPRESENT_IMAGEPULLPOLICY));
    assertThat(serverSpec.getImagePullSecrets().get(0).getName(), equalTo("pull-secret"));
    assertThat(serverSpec.getEnvironmentVariables(), empty());
    assertThat(serverSpec.getNodePort(), nullValue());
    assertThat(serverSpec.getDesiredState(), equalTo("RUNNING"));
  }
#vulnerable code 
                              @Test
  public void whenDomainReadFromYaml_unconfiguredServerHasDomainDefaults() throws IOException {
    Domain domain = readDomain(DOMAIN_V2_SAMPLE_YAML);
    ServerSpec serverSpec = domain.getServer("server0", null);

    assertThat(serverSpec.getImage(), equalTo(DEFAULT_IMAGE));
    assertThat(serverSpec.getImagePullPolicy(), equalTo(IFNOTPRESENT_IMAGEPULLPOLICY));
    assertThat(serverSpec.getImagePullSecret().getName(), equalTo("pull-secret"));
    assertThat(serverSpec.getEnvironmentVariables(), empty());
    assertThat(serverSpec.getNodePort(), nullValue());
    assertThat(serverSpec.getDesiredState(), equalTo("RUNNING"));
  } 
                            #location 8 
                            #vulnerability type NULL_DEREFERENCE