public class Ontology{
     public static final String strDriver ="com.mysql.jdbc.Driver"; // path of driver class
     public static final String strURL ="jdbc:mysql://localhost/ontology"; // URL of database
     public static final String strUser ="root"; // database user id
     public static final String strPassWord ="mysql"; // database password
     public static final String strDB="MySQL"; // database type

     public static void main(String[] args){
         try{// 创建一个数据库连接
              IDBConnection conn = new DBConnection ( strURL, strUser, strPassWord, strDB );
            // 加载数据库驱动类，需要处理异常
              try{
                   Class.forName(strDriver);
              }catch(ClassNotFoundException e) {
                   System.out.println("ClassNotFoundException, Driver is not available...");
              }
            // 使用数据库连接参数创建一个模型制造器
              ModelMaker maker = ModelFactory.createModelRDBMaker(conn);
              // 创建一个默认模型，命名为 MyOntology
              Model defModel = maker.createModel("MyOntology");
              // 准备需要存入数据库的本体文件，建立输入文件流
              FileInputStream inputStreamfile = null;
              try {
                   File file = new File("C:\\Expert.rdf-xml.owl");
                   inputStreamfile = new FileInputStream(file);
              } catch (FileNotFoundException e) {
                   e.printStackTrace();
                   System.out.println("Ontology File is not available...");
              }
              InputStreamReader in = null;
              try {
                   in = new InputStreamReader(inputStreamfile, "UTF-8");
              } catch (UnsupportedEncodingException e) {
                   e.printStackTrace();
              }
            // 读取文件
            defModel.read(in,null);
            // 关闭输入流读取器
            try {
                   in.close();
              } catch (IOException e) {
                   e.printStackTrace();
              }
              // 执行数据转换，将本体数据存入数据库
            defModel.commit();
            
            // 关闭数据库连接
              try {
                   conn.close();
              } catch (SQLException e) {
                   e.printStackTrace();
              }
         }catch(RDFRDBException e){
          e.printStackTrace(System.out);
              System.out.println("Exceptions occur...");
         }
     }
}
运行后出现这样的错误
Usage:
  java jena.schemagen [options ...]

Commonly used options include:
   -i <input> the source document as a file or URL.
   -n <name> the name of the created Java class.
   -a <uri> the namespace URI of the source document.
   -o <file> the file to write the generated class into.
   -o <dir> the directory in which the generated Java class is created.
            By default, output goes to stdout.
   -e <encoding> the encoding of the input document (N3, RDF/XML, etc).
   -c <config> a filename or URL for an RDF document containing
               configuration parameters.

Many other options are available. See the schemagen HOWTO in the
Jena documentation for full details.
是什么意思啊 怎么解决啊
请大家帮忙啊 谢谢啦！

model.read好像不能解析owl格式的文件, 另存为rdf格式的试试