Java comm未列出串行端口Windows XP

1 周，5 日 Questions & Answers 1673

我有一个在Windows XP上的Tomcat下运行的web应用程序，需要使用串行端口。它在我们现有的系统上运行良好。我现在正试图在一台新的Windows XP机器上安装这一切。除了CommPortIdentifier，安装过程中的一切都很顺利。getPortifiers（）返回一个空列表。串口已经存在，我已经用Putty进行了环回测试。我知道3个java comm文件的位置非常关键，它们位于下面的这些位置。怎么了

 Volume in drive C has no label.
 Volume Serial Number is C4DF-BEB3

 Directory of C:\xxx\WEB-INF\lib

06/07/2011  09:55 AM            28,043 comm.jar
               1 File(s)         28,043 bytes

     Total Files Listed:
               1 File(s)         28,043 bytes
               0 Dir(s)   8,122,056,704 bytes free
 Volume in drive C has no label.
 Volume Serial Number is C4DF-BEB3

 Directory of C:\xxx\WEB-INF\classes

06/07/2011  09:55 AM               484 javax.comm.properties
               1 File(s)            484 bytes

 Directory of C:\jre1.6.0_22\lib

06/07/2011  09:55 AM               484 javax.comm.properties
               1 File(s)            484 bytes

 Directory of C:\tomcat-5.5\bin

06/07/2011  09:55 AM               484 javax.comm.properties
               1 File(s)            484 bytes

 Directory of C:\tomcat-5.5\common\lib

06/07/2011  09:55 AM               484 javax.comm.properties
               1 File(s)            484 bytes

     Total Files Listed:
               4 File(s)          1,936 bytes
               0 Dir(s)   8,122,052,608 bytes free
 Volume in drive C has no label.
 Volume Serial Number is C4DF-BEB3

 Directory of C:\xxx\WEB-INF\lib

06/07/2011  09:55 AM            27,648 win32com.dll
               1 File(s)         27,648 bytes

 Directory of C:\tomcat-5.5\bin

06/07/2011  09:55 AM            27,648 win32com.dll
               1 File(s)         27,648 bytes

 Directory of C:\tomcat-5.5\common\lib

06/07/2011  09:55 AM            27,648 win32com.dll
               1 File(s)         27,648 bytes

     Total Files Listed:
               3 File(s)         82,944 bytes
               0 Dir(s)   8,122,052,608 bytes free

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Java comm未列出串行端口Windows XP

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