Program: 92276
Project: 92276
Buggy source:
/** 
 * Prints metadata information.
 * @throws DataStoreException If an error occurred while reading the file.
 * @throws JAXBException If an error occurred while producing the XML output.
 * @throws IOException Should never happen, since we are appending to a print writer.
 */
@Override public int run() throws InvalidOptionException, DataStoreException, JAXBException, IOException {
  boolean toXML=false;
  final String format=options.get(Option.FORMAT);
  if (format != null && !format.equalsIgnoreCase("String_Node_Str")) {
    if (!format.equalsIgnoreCase("String_Node_Str")) {
      throw new InvalidOptionException(Errors.format(Errors.Keys.IllegalOptionValue_2,"String_Node_Str",format),format);
    }
    toXML=true;
  }
  if (hasUnexpectedFileCount(1,1)) {
    return Command.INVALID_ARGUMENT_EXIT_CODE;
  }
  final Metadata metadata;
  try (DataStore store=DataStores.open(files.get(0))){
    metadata=store.getMetadata();
  }
   if (metadata != null) {
    if (toXML) {
      final MarshallerPool pool=new MarshallerPool(null);
      final Marshaller marshaller=pool.acquireMarshaller();
      marshaller.setProperty(XML.LOCALE,locale);
      marshaller.setProperty(XML.TIMEZONE,timezone);
      if (isConsole()) {
        marshaller.marshal(metadata,out);
      }
 else {
        out.flush();
        marshaller.setProperty(Marshaller.JAXB_ENCODING,encoding.name());
        marshaller.marshal(metadata,System.out);
        System.out.flush();
      }
    }
 else {
      final TreeTable tree=MetadataStandard.ISO_19115.asTreeTable(metadata,ValueExistencePolicy.NON_EMPTY);
      final TreeTableFormat tf=new TreeTableFormat(locale,timezone);
      tf.setColumns(TableColumn.NAME,TableColumn.VALUE);
      tf.format(tree,out);
    }
    out.flush();
  }
  return 0;
}

Fixed version (ground truth):
/** 
 * Prints metadata or CRS information.
 * @throws DataStoreException If an error occurred while reading the file.
 * @throws JAXBException If an error occurred while producing the XML output.
 * @throws IOException Should never happen, since we are appending to a print writer.
 */
@Override public int run() throws InvalidOptionException, DataStoreException, JAXBException, IOException {
  boolean toXML=false;
  Convention wkt=null;
  final String format=options.get(Option.FORMAT);
  if (format != null && !format.equalsIgnoreCase("String_Node_Str")) {
    toXML=format.equalsIgnoreCase("String_Node_Str");
    if (!toXML) {
      if (isCRS) {
        if (format.equalsIgnoreCase("String_Node_Str") || format.equalsIgnoreCase("String_Node_Str")) {
          wkt=Convention.WKT2;
        }
 else         if (format.equalsIgnoreCase("String_Node_Str")) {
          wkt=Convention.WKT1;
        }
      }
      if (wkt == null) {
        throw new InvalidOptionException(Errors.format(Errors.Keys.IllegalOptionValue_2,"String_Node_Str",format),format);
      }
    }
  }
  if (hasUnexpectedFileCount(1,1)) {
    return Command.INVALID_ARGUMENT_EXIT_CODE;
  }
  final Metadata metadata;
  try (DataStore store=DataStores.open(files.get(0))){
    metadata=store.getMetadata();
  }
   if (metadata == null) {
    return 0;
  }
  CoordinateReferenceSystem crs=null;
  if (isCRS) {
    for (    final ReferenceSystem rs : metadata.getReferenceSystemInfo()) {
      if (rs instanceof CoordinateReferenceSystem) {
        crs=(CoordinateReferenceSystem)rs;
        break;
      }
    }
    if (crs == null) {
      return 0;
    }
  }
  if (toXML) {
    final MarshallerPool pool=new MarshallerPool(null);
    final Marshaller marshaller=pool.acquireMarshaller();
    marshaller.setProperty(XML.LOCALE,locale);
    marshaller.setProperty(XML.TIMEZONE,timezone);
    if (isConsole()) {
      marshaller.marshal(crs != null ? crs : metadata,out);
    }
 else {
      out.flush();
      marshaller.setProperty(Marshaller.JAXB_ENCODING,encoding.name());
      marshaller.marshal(crs != null ? crs : metadata,System.out);
      System.out.flush();
    }
  }
 else   if (wkt != null) {
    final WKTFormat f=new WKTFormat(locale,timezone);
    f.setConvention(wkt);
    if (colors) {
      f.setColors(Colors.DEFAULT);
    }
    f.format(crs,out);
    out.println();
  }
 else {
    final TreeTable tree=MetadataStandard.ISO_19115.asTreeTable(metadata,ValueExistencePolicy.NON_EMPTY);
    final TreeTableFormat tf=new TreeTableFormat(locale,timezone);
    tf.setColumns(TableColumn.NAME,TableColumn.VALUE);
    tf.format(tree,out);
  }
  out.flush();
  return 0;
}