[Demonstration 1]

[Buggy Method]
private JtdsDataSource setProperties(JtdsDataSource dsi, Properties props) throws Exception {
    Map<String, String> propsFromUrl = parseUrl(props.getProperty(JDBC_URL));
    for (String prop : props.stringPropertyNames()) {
        propsFromUrl.put(prop, props.getProperty(prop));
    }
    for (Entry<String, String> prop : propsFromUrl.entrySet()) {
        setProperty(dsi, prop.getKey(), prop.getValue());
    }
    return dsi;
}

[Buggy Hunk]
propsFromUrl.put(prop, props.getProperty(prop));

[Patch]
propsFromUrl.put(prop.toUpperCase(), props.getProperty(prop));

[Demonstration 2]

[Buggy Method]
public static void startup() {
    //System.out.println(MetadataProperties.class.getClass().getResourceAsStream("/us/kbase/kbaseenigmametals/uploader.properties"));
    /*File propertiesFile;
		String kbTop = System.getenv("KB_TOP");
		if (!kbTop.substring(kbTop.length() - 1).equals("/")) {
			kbTop = kbTop + "/";
		}
		propertiesFile = new File (kbTop + "lib/jars/kbase/transform/uploader.properties");
		*/
    Properties prop = new Properties();
    InputStream input = null;
    try {
        //input = new FileInputStream(propertiesFile);
        input = MetadataProperties.class.getClass().getResourceAsStream("/us/kbase/kbaseenigmametals/uploader.properties");
        // load a properties file
        prop.load(input);
        // set metadata properties
        DATAMATRIX_METADATA_TABLE_DESCRIPTION = prop.getProperty("datamatrix.metadata.description");
        DATAMATRIX_METADATA_TABLE_MEASUREMENT = prop.getProperty("datamatrix.metadata.table.measurement");
        DATAMATRIX_METADATA_TABLE_MEASUREMENT_VALUES = prop.getProperty("datamatrix.metadata.table.measurement.values");
        DATAMATRIX_METADATA_TABLE_MEASUREMENT_VALUES_VALUE = Arrays.asList(prop.getProperty("datamatrix.metadata.table.measurement.values.value").split(",", 0));
        DATAMATRIX_METADATA_TABLE_MEASUREMENT_VALUES_VALUE_STATVALUES = prop.getProperty("datamatrix.metadata.table.measurement.values.value.statvalues");
        DATAMATRIX_METADATA_COLUMN_MEASUREMENT = prop.getProperty("datamatrix.metadata.column.measurement");
        DATAMATRIX_METADATA_COLUMN_MEASUREMENT_VALUETYPE = prop.getProperty("datamatrix.metadata.column.measurement.valuetype");
        DATAMATRIX_METADATA_COLUMN_MEASUREMENT_VALUETYPE_VALUE = Arrays.asList(prop.getProperty("datamatrix.metadata.column.measurement.valuetype.value").split(",", 0));
        DATAMATRIX_METADATA_COLUMN_DATASERIES = prop.getProperty("datamatrix.metadata.column.dataseries");
        DATAMATRIX_METADATA_COLUMN_DATASERIES_SERIESID = prop.getProperty("datamatrix.metadata.column.dataseries.seriesid");
        GROWTHMATRIX_METADATA_ROW_TIMESERIES = prop.getProperty("growthmatrix.metadata.row.timeseries");
        GROWTHMATRIX_METADATA_ROW_TIMESERIES_TIME = prop.getProperty("growthmatrix.metadata.row.timeseries.time");
        GROWTHMATRIX_METADATA_ROW_TIMESERIES_TIME_UNIT = Arrays.asList(prop.getProperty("growthmatrix.metadata.row.timeseries.time.unit").split(",", 0));
        GROWTHMATRIX_METADATA_COLUMN_CONDITION = prop.getProperty("growthmatrix.metadata.column.condition");
        GROWTHMATRIX_METADATA_COLUMN_CONDITION_UNIT = Arrays.asList(prop.getProperty("growthmatrix.metadata.column.condition.unit").split(",", 0));
        GROWTHMATRIX_METADATA_COLUMN_DATASERIES_SAMPLEID = prop.getProperty("growthmatrix.metadata.column.dataseries.sampleid");
        CHROMATOGRAPHYMATRIX_METADATA_ROW_TIMESERIES = prop.getProperty("chromatographymatrix.metadata.row.timeseries");
        CHROMATOGRAPHYMATRIX_METADATA_ROW_TIMESERIES_TIME = Arrays.asList(prop.getProperty("chromatographymatrix.metadata.row.timeseries.time"));
        CHROMATOGRAPHYMATRIX_METADATA_ROW_TIMESERIES_TIME_UNIT = Arrays.asList(prop.getProperty("chromatographymatrix.metadata.row.timeseries.time.unit").split(",", 0));
        CHROMATOGRAPHYMATRIX_METADATA_COLUMN_MEASUREMENT = prop.getProperty("chromatographymatrix.metadata.column.measurement");
        CHROMATOGRAPHYMATRIX_METADATA_COLUMN_MEASUREMENT_SUBSTANCE = prop.getProperty("chromatographymatrix.metadata.column.measurement.substance");
        SAMPLEPROPERTYMATRIX_METADATA_COLUMN_PROPERTY = prop.getProperty("samplepropertymatrix.metadata.column.property");
        SAMPLEPROPERTYMATRIX_METADATA_COLUMN_PROPERTY_NAME = prop.getProperty("samplepropertymatrix.metadata.column.property.name");
        SAMPLEPROPERTYMATRIX_METADATA_COLUMN_PROPERTY_MEASUREMENT = prop.getProperty("samplepropertymatrix.metadata.column.property.measurement");
        SAMPLEPROPERTYMATRIX_METADATA_ROW_SAMPLE = prop.getProperty("samplepropertymatrix.metadata.row.sample");
        SAMPLEPROPERTYMATRIX_METADATA_ROW_SAMPLE_NAME = prop.getProperty("samplepropertymatrix.metadata.row.sample.name");
    } catch (IOException ex) {
        ex.printStackTrace();
    } finally {
        if (input != null) {
            try {
                input.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

[Buggy Hunk]
CHROMATOGRAPHYMATRIX_METADATA_ROW_TIMESERIES_TIME = Arrays.asList(prop.getProperty("chromatographymatrix.metadata.row.timeseries.time"));

[Patch]
CHROMATOGRAPHYMATRIX_METADATA_ROW_TIMESERIES_TIME = Arrays.asList(prop.getProperty("chromatographymatrix.metadata.row.timeseries.time").split(",", 0));

[Demonstration 3]

[Buggy Method]
public static Result service(String ownerName, String projectName, String service, boolean isAdvertise) throws IOException, UnsupportedOperationException, ServletException {
    if (!isSupportedService(service)) {
        return forbidden(String.format("Unsupported service: '%s'", service));
    }
    Project project = Project.findByOwnerAndProjectName(ownerName, projectName);
    if (project == null) {
        return notFound();
    }
    models.User user = UserApp.currentUser();
    if (!isAllowed(project, service)) {
        if (user.isAnonymous()) {
            return BasicAuthAction.unauthorized(response());
        } else {
            // If you want the Git client showing your custom message to
            // the user, the Content-Type should be exact "text/plain"
            // without any parameter. For more details, see the code at
            // https://github.com/git/git/commit/426e70d4a11ce3b4f70636d57c6a0ab16ae08a00#diff-eea0ad565ec5903a11b6023755d491cfR154
            response().setHeader("Content-Type", "text/plain");
            return forbidden(String.format("'%s' has no permission to '%s/%s'.", user.name, ownerName, projectName));
        }
    }
    if (isAdvertise) {
        return ok(RepositoryService.gitAdvertise(project, service, response()));
    } else {
        if (request().body().isMaxSizeExceeded()) {
            return status(REQUEST_ENTITY_TOO_LARGE);
        } else {
            user.visits(project);
            return ok(RepositoryService.gitRpc(project, service, request(), response()));
        }
    }
}

[Buggy Hunk]
user.name, ownerName, projectName));

[Patch]
user.loginId, ownerName, projectName));