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how to use the jdk debugger

Posted on 1997-07-20
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Last Modified: 2013-11-23
Hi,
   I'm trying to use the java jdk debugger (AppletViewer and
   jdb) and the way I understand it, I have to start from
   one of the demo class directory (GraphLayout or TicTacToe,
   or ArcTest)
   with ..\..\bin\AppletViewer -debug example1.html. My class
   path variable is set correctly, and as long I'm not using
   the -debug parameter the viewer load the applet correctly.
   On the other hand with the -debug option, there's a timeout
   and then I get:
   Internal exception:java.net Unknown exception
      at java.net.IndetAdress.getLocalHost(InetAdress.java:294)
      at sun tools.debug:RemoteDebugger <init> (RemoteDebugger
      :java164)
      at sun.tools.ttydebug:TTY<init> <TTY.java.1309>
   etc...

   Apparently they say that the AppletViewer should
   return me a password that I can use with the jdb (from
   another window session??? I'm using win 95) but it looks
   as if this debugger need to have a connection to work,
   why? I'd like to debugg offline simple applications with
   their debugger (I can't buy visual cafe) but it doesn't
   work even with applications that doesn't use remote calls
   or Inet methods.

    Another point:I've try also the recompile
   with import java.tools.debug; in jdk 1.02 from sun and
   the compiler tell me that this is not acceptable although
   my classpath points to the lib\classlib.zip directoy.
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Question by:jfbe
2 Comments
 
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Accepted Solution

by:
rembo earned 40 total points
ID: 1223452

Unfortunately, the jdb debugger requires that you have
networking running.  It connects using sockets.

-Tony



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Author Comment

by:jfbe
ID: 1223453
I know it need a connection, it was in my question...but
I wanted to know if there was a way to bypass that since
I've a limited access to internet, this is why I added
'why'?. Anyway, I'll debug with traces and files.
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