我正在尝试构建一个在两个启用 wifi 的 android 设备之间建立 P2P 连接的应用程序。我已将 JXTA 2.5 库添加到 android 2.2 中，但不知道我哪里出错了。以运行时异常结束：未找到类错误和未找到实例错误。
除了将 .jar 文件包含到 android 项目中之外，还有其他事情要做吗？有什么要写的配置吗？如果是，请告诉我如何编写配置文件并在我的项目中使用它？我正在做最后一年的项目，所以如果您对此有任何指示，请告诉我？
提前致谢 ！
这是日志：
04-24 22:41:47.429: I/dalvikvm(556): Could not find method org.apache.log4j.Logger.getLogger, referenced from method net.jxta.peergroup.PeerGroupFactory.<clinit>
04-24 22:41:47.429: W/dalvikvm(556): VFY: unable to resolve static method 8971: Lorg/apache/log4j/Logger;.getLogger (Ljava/lang/String;)Lorg/apache/log4j/Logger;
04-24 22:41:47.441: D/dalvikvm(556): VFY: replacing opcode 0x77 at 0x0010
04-24 22:41:47.461: W/dalvikvm(556): VFY: unable to resolve static field 4047 (ERROR) in Lorg/apache/log4j/Level;
04-24 22:41:47.461: D/dalvikvm(556): VFY: replacing opcode 0x62 at 0x0012
04-24 22:41:47.461: W/dalvikvm(556): VFY: unable to resolve static field 4050 (WARN) in Lorg/apache/log4j/Level;
04-24 22:41:47.461: D/dalvikvm(556): VFY: replacing opcode 0x62 at 0x000c
04-24 22:41:47.469: W/dalvikvm(556): VFY: unable to resolve static field 4048 (FATAL) in Lorg/apache/log4j/Level;
04-24 22:41:47.469: D/dalvikvm(556): VFY: replacing opcode 0x62 at 0x001a
04-24 22:41:47.469: W/dalvikvm(556): VFY: unable to resolve static field 4048 (FATAL) in Lorg/apache/log4j/Level;
04-24 22:41:47.480: D/dalvikvm(556): VFY: replacing opcode 0x62 at 0x0045