缺少 JDBC 驱动程序 oracle 10g android 4.x

Question

我正在运行的项目有一些问题，但这是最糟糕的：

    String url="jdbc:oracle:login/pwd@host:1521:etudom";
    Connection co = null;

    try {
        Class.forName("oracle.jdbc.driver.OracleDriver");
        co= DriverManager.getConnection(url);
        popUp("Ok");
    }
    // Driver Oracle : Should never happen
    catch (ClassNotFoundException e){
        popUp("ERROR: Oracle Driver's missing");
        //System.exit(1);
    }
    // Internet Connection Problem
    catch (SQLException e) {
        popUp("ERREOR :   " + e.getMessage());
        //System.exit(1);
    }

这是 OJDBC14 的日志：

    01-12 22:37:14.876: D/dalvikvm(558): Not late-enabling CheckJNI (already on)
    01-12 22:37:16.867: D/gralloc_goldfish(558): Emulator without GPU emulation detected.
    01-12 22:38:01.996: E/dalvikvm(558): Could not find class 'javax.management.MBeanServer', referenced from method oracle.jdbc.driver.OracleDriver.registerMBeans
    01-12 22:38:02.006: W/dalvikvm(558): VFY: unable to resolve check-cast 706 (Ljavax/management/MBeanServer;) in Loracle/jdbc/driver/OracleDriver;
    01-12 22:38:02.006: D/dalvikvm(558): VFY: replacing opcode 0x1f at 0x002d
    01-12 22:38:02.006: I/dalvikvm(558): Could not find method java.lang.management.ManagementFactory.getPlatformMBeanServer, referenced from method oracle.jdbc.driver.OracleDriver.registerMBeans
    01-12 22:38:02.006: W/dalvikvm(558): VFY: unable to resolve static method 3503: Ljava/lang/management/ManagementFactory;.getPlatformMBeanServer ()Ljavax/management/MBeanServer;
    01-12 22:38:02.016: D/dalvikvm(558): VFY: replacing opcode 0x71 at 0x0080
    01-12 22:38:02.016: I/dalvikvm(558): Could not find method java.lang.management.ManagementFactory.getPlatformMBeanServer, referenced from method oracle.jdbc.driver.OracleDriver.registerMBeans
    01-12 22:38:02.027: W/dalvikvm(558): VFY: unable to resolve static method 3503: Ljava/lang/management/ManagementFactory;.getPlatformMBeanServer ()Ljavax/management/MBeanServer;
    01-12 22:38:02.027: D/dalvikvm(558): VFY: replacing opcode 0x71 at 0x0094
    01-12 22:38:02.036: I/dalvikvm(558): Could not find method java.lang.management.ManagementFactory.getPlatformMBeanServer, referenced from method oracle.jdbc.driver.OracleDriver.registerMBeans
    01-12 22:38:02.036: W/dalvikvm(558): VFY: unable to resolve static method 3503: Ljava/lang/management/ManagementFactory;.getPlatformMBeanServer ()Ljavax/management/MBeanServer;
    01-12 22:38:02.036: D/dalvikvm(558): VFY: replacing opcode 0x71 at 0x00a8
    01-12 22:38:02.036: I/dalvikvm(558): Could not find method java.lang.management.ManagementFactory.getPlatformMBeanServer, referenced from method oracle.jdbc.driver.OracleDriver.registerMBeans
    01-12 22:38:02.036: W/dalvikvm(558): VFY: unable to resolve static method 3503: Ljava/lang/management/ManagementFactory;.getPlatformMBeanServer ()Ljavax/management/MBeanServer;
    01-12 22:38:02.036: D/dalvikvm(558): VFY: replacing opcode 0x71 at 0x00bc
    01-12 22:38:02.046: I/dalvikvm(558): Could not find method java.lang.management.ManagementFactory.getPlatformMBeanServer, referenced from method oracle.jdbc.driver.OracleDriver.registerMBeans
    01-12 22:38:02.046: W/dalvikvm(558): VFY: unable to resolve static method 3503: Ljava/lang/management/ManagementFactory;.getPlatformMBeanServer ()Ljavax/management/MBeanServer;
    01-12 22:38:02.046: D/dalvikvm(558): VFY: replacing opcode 0x71 at 0x00d1
    01-12 22:38:02.046: W/dalvikvm(558): VFY: unable to resolve exception class 702 (Ljavax/management/JMException;)
    01-12 22:38:02.046: W/dalvikvm(558): VFY: unable to resolve exception class 702 (Ljavax/management/JMException;)
    01-12 22:38:02.046: W/dalvikvm(558): VFY: unable to resolve exception class 702 (Ljavax/management/JMException;)
    01-12 22:38:02.046: W/dalvikvm(558): VFY: unable to find exception handler at addr 0xfa
    01-12 22:38:02.046: W/dalvikvm(558): VFY:  rejected Loracle/jdbc/driver/OracleDriver;.registerMBeans ()V
    01-12 22:38:02.046: W/dalvikvm(558): VFY:  rejecting opcode 0x0d at 0x00fa
    01-12 22:38:02.046: W/dalvikvm(558): VFY:  rejected Loracle/jdbc/driver/OracleDriver;.registerMBeans ()V
    01-12 22:38:02.056: W/dalvikvm(558): Verifier rejected class Loracle/jdbc/driver/OracleDriver;

而且我总是遇到 ClassNotFound 异常，这让我抓狂！

我在命令行项目中使用了相同的驱动程序，它运行良好。

如果有人有任何线索，那就太好了......

在此先感谢，并为我的英语不好感到抱歉。

托马斯。

Answer 1

较新的 Oracle 驱动程序（至少是 ojdbc6.jar，可能还有较早的驱动程序）无法在 Android 上运行。它们需要 Java 标准版 (Java SE) 中的几个类，这些类在精简的 Android 平台上不可用。

更新：

错误信息很清楚：

Could not find class 'javax.management.MBeanServer'

这是 Android 上缺少的 Java SE 类。它可能想看看问题Android Oracle Database JDBC6。此用户能够在 Android 上使用 ojdbc14.jar。

他/她可能以不同的方式使用 Oracle 客户端，例如Class.forName("oracle.jdbc.OracleDriver"); 而不是 Class.forName("oracle.jdbc.driver.OracleDriver");。或者他/她使用了内部使用不同类的不同连接字符串。或者它是一个较旧的驱动程序，即使它也被称为 ojdbc14.jar。

无论如何，不​​能保证它会起作用。 Oracle Java 客户端是为 Java SE 而不是为 Android Java 构建的，Android Java 只包含那些通常在移动设备上使用的类。