#fixed code
                                @Test
    public void testImaging144() throws Exception {
        tiffOutputSet.setGPSInDegrees(1.0, 1.0);

        TiffOutputDirectory gpsDirectory = tiffOutputSet.getGPSDirectory();
        TiffOutputField gpsVersionId = gpsDirectory.findField(GpsTagConstants.GPS_TAG_GPS_VERSION_ID);

        assertNotNull(gpsVersionId);
        assertTrue(gpsVersionId.bytesEqual(GpsTagConstants.GPS_VERSION));
    }
#vulnerable code 
                                @Test
    public void testImaging144() throws Exception {
        tiffOutputSet.setGPSInDegrees(1.0, 1.0);

        TiffOutputDirectory gpsDirectory = tiffOutputSet.getGPSDirectory();
        TiffOutputField gpsVersionId = getGpsVersionId(gpsDirectory);
        
        assertNotNull(gpsVersionId);
        assertTrue(gpsVersionId.bytesEqual(GpsTagConstants.GPS_VERSION));
    } 
                            #location 6 
                            #vulnerability type NULL_DEREFERENCE