#vulnerable code 
                              @Test
  public void test() throws Exception {
    IssueLocation issueLocation = new IssueLocation(TOKEN1, "Test message");

    assertThat(issueLocation.message()).isEqualTo("Test message");
    assertThat(issueLocation.startLine()).isEqualTo(5);
    assertThat(issueLocation.startLineOffset()).isEqualTo(10);
    assertThat(issueLocation.endLine()).isEqualTo(5);
    assertThat(issueLocation.endLineOffset()).isEqualTo(16);
  } 
                            #location 8 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                              @Test
  public void test() throws Exception {
    IssueLocation issueLocation = new IssueLocation(TOKEN1, "Test message");

    assertThat(issueLocation.message()).isEqualTo("Test message");
    assertThat(issueLocation.startLine()).isEqualTo(5);
    assertThat(issueLocation.startLineOffset()).isEqualTo(10);
    assertThat(issueLocation.endLine()).isEqualTo(5);
    assertThat(issueLocation.endLineOffset()).isEqualTo(16);
    assertThat(issueLocation.filePath()).isNull();
  }