android jdbc 数据库连接错误解决方案

今天用Eclipse突然在控制台出现如下错误，没有办法运行程序：

Invalid layout of java.lang.String at value

A fatal error has been detected by the Java Runtime Environment:

Internal Error (javaClasses.cpp:129), pid=15238, tid=140306591237888
fatal error: Invalid layout of preloaded class

 JRE version: 7.0_07-b10
 Java VM: Java HotSpot(TM) 64-Bit Server VM (23.3-b01 mixed mode linux-amd64 compressed ops)
 Failed to write core dump. Core dumps have been disabled. To enable core dumping, try ulimit -c unlimited" before starting Java again

 An error report file with more information is saved as:
 /home/till/workspace/Encrypt/hs_err_pid15238.log

 If you would like to submit a bug report, please visit:
   http://bugreport.sun.com/bugreport/crash.jsp

在网上搜索，解决办法是：

右键工程——>Run As——>Android Application问题解决，但是不明缘由。

注：感谢DT太子提供另外的方案：

• Project->Properties->Run/Debug Settings;
• 选择类，然后选择"Edit";
• 打开 "Classpath" ，删除 Android Lib from "Bootstrap Entries";
• 应用重新运行。