Question

我正在尝试访问我的笔记本电脑中的oracle 10g数据库。我正在使用android程序来访问它。我在eclipse中的引用库中添加了ojdbc14.jar文件，我无法运行应用程序（应用程序未构建）。我不知道该怎么办。谁能帮我？告诉我一个方法来做到这一点。我是android和java的新手。在引用库中添加ojdbc14.jar文件之前，我的应用程序正在构建并在我的手机中运行。但由于 tv.append（“\ n1”） 未被执行，我无法连接数据库

        package oracle.connect;
import java.sql.Connection;
import java.sql.DriverManager;   
import java.sql.PreparedStatement;
import java.sql.SQLException;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class Try extends Activity implements OnClickListener {
Button connectWith;
TextView tv;

@Override
protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.connect);
    initialize();
}

private void initialize() {
    // TODO Auto-generated method stub
    connectWith = (Button) findViewById(R.id.bGetValue);
    tv = (TextView) findViewById(R.id.tvCheck);
    connectWith.setOnClickListener(this);

}

@Override
public void onClick(View view) {
    // TODO Auto-generated method stub
    switch (view.getId()) {

    case R.id.bGetValue: {
        try {
            tv.setText("hello");
            Class.forName("oracle.jdbc.driver.OracleDriver");
            tv.append("\n1");
            Connection con = DriverManager.getConnection(
                    "jdbc:oracle:thin:@my laptop ip:1521:XE", "Aakash",
                    "aakash");
            PreparedStatement st = con
                    .prepareStatement("select id from new where username='Aakash'");
            int i = st.executeUpdate();
            if (i == 1) {
                tv.setText("Success");
            } else {
                tv.setText("fail");
            }
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
        break;// case closed
    }// switch over
    }
    }

我在控制台中收到的错误

 Invalid layout of java.lang.String at value
  #
 # A fatal error has been detected by the Java Runtime Environment:
       #
  #  Internal Error (javaClasses.cpp:124), pid=6836, tid=936
  #  fatal error: Invalid layout of preloaded class
  #
  # JRE version:  (8.0_05-b13) (build )
  # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.5-b02 mixed mode windows-amd64 compressed       oops)
  # Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
  #
  # An error report file with more information is saved as:
  # D:\SDK files for eclipse1\Try1\hs_err_pid6836.log
  #
  # If you would like to submit a bug report, please visit:
  #   http://bugreport.sun.com/bugreport/crash.jsp
  #

Answer 1

尝试将其作为Android项目运行：

Run As -> Android Application

您报告的错误与连接Oracle无关。

无法使用android远程连接到oracle数据库

1 个答案: