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  1.  Home
  2. JAVA400-L
  3. April 2000

Re: Unexpected CCSID


David,

Thanks for the explination.  I tried creating one AS400Text object with the
AS/400 early in the code.  Once I did that, the table got loaded, and the
rest worked.  This was much easier than trying to find and change them all.

I guess that I could complain that the Toolbox sure didn't make it clear
that was the problem, or what the solution was.

Nick




dawall@us.ibm.com@midrange.com on 04/06/2000 09:40:30 PM

Please respond to JAVA400-L@midrange.com

Sent by:  owner-java400-l@midrange.com


To:   JAVA400-L@midrange.com
cc:

Subject:  Re: Unexpected CCSID


The problem is browsers don't ship ebcdic <--> unicode conversion tables.
JDKs and most JREs ship them but browsers don't.

Toolbox does conversion by first asking the JVM to do it.  Second it looks
for a table shipped with the Toolbox, and third it downloads the table from
the AS/400.  If the JVM cannot convert the string and the Toolbox does not
ship the table (it contains mostly double byte EBCDIC tables that re not
practicle to download), the Toolbox can download the table from the AS/400
only if the AS400Text object is contains an AS400 object.  The AS400 object
is the only 'path' to the AS/400 so if AS400Text is not given (c'tored)
with an AS400 object, it cannot download the table.

This is your case, the browser JVM does not contain conversion tables, the
Toolbox did not ship the one you want to use and there is no path to the
AS/400.  AS400Text cannot convert and throws an unsupported encoding
exception.  The fix is to change the AS400Text c'tors to include an AS400
object.

David Wall
AS/400 Toolbox for Java


Nick_Vrtis@amway.com on 04/05/2000 03:33:07 PM

Please respond to JAVA400-L@midrange.com

To:   java400-l@midrange.com
cc:
Subject:  Unexpected CCSID




Help,

I am having a problem getting a JAVA applet to run in an IE4 brower.


I get "Unexpected CCSID returned from getBestAS400CCSID=37" when I try to
fill in an AS400Text object.
I tried to simplify the code as much as possible... here's the little
Applet:

package TestAS400;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import com.ibm.as400.access.*;
public class SimpleAS400 extends Applet {
     boolean isStandalone = false;
      AS400 theAS400;
     public String getParameter(String key, String def)      {
          return isStandalone ? System.getProperty(key, def) :
      (getParameter(key) != null ? getParameter(key) : def);
     }
     public SimpleAS400() {   }
     public void init()  {
          this.setSize(400,300);
        try {
         Trace.setTraceDiagnosticOn(true);
         Trace.setTraceInformationOn(true);
          Trace.setTraceWarningOn(true);
          Trace.setTraceErrorOn(true);
         Trace.setTraceDatastreamOn(true);
              Trace.setTraceOn(true);
         theAS400 = new AS400("AMWUSACS");
         AS400Text testingText = new AS400Text(10);
          byte [] theconverted = testingText.toBytes("NickVrtis");
         }
         catch (Exception e)  {
             System.out.println(e.getMessage());
               e.printStackTrace();
         }
        Trace.setTraceOn(false);
        System.out.println("Version 1");
     }
     public void start() {}
     public void stop()  {}
     public void destroy() {}
     public String getAppletInfo() {
          return "Applet Information";
     }
     public String[][] getParameterInfo() {
          return null;
     }
}


It works fine in the ILE.
It never even accesses the AS/400 (I do not even get the logon screen), but
that is to be expected.
When I run it from the following HTML page:
<HTML><HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<TITLE>Sample to test the AS/400 Text</TITLE>
</HEAD>
<BODY>
TestAS400.SimpleTest will appear below in a Java enabled browser.<BR>
<APPLET
  CODEBASE = "."
  CODE     = "TestAS400.SimpleAS400.class"
  NAME     = "TestTheAS400"
  WIDTH    = 400
  HEIGHT   = 300
  HSPACE   = 0
  VSPACE   = 0
  ALIGN    = middle
  ARCHIVE  = "SimpleAS400.jar,jt400.jar"
>
</APPLET></BODY></HTML>
It does not work.  I get the following from the Java Console log:
Version 4 Release 2 Modification level 0.5
Fri Mar 17 13:07:33 EST 2000  Detected os.name : Windows 95
Fri Mar 17 13:07:33 EST 2000  Constructing AS400 object
Fri Mar 17 13:07:33 EST 2000  Initializing server table
Fri Mar 17 13:07:33 EST 2000  System name is 'AMWUSACS'
Fri Mar 17 13:07:33 EST 2000  User ID is: ''
Fri Mar 17 13:07:33 EST 2000  Unexpected CCSID returned from
getBestGuessAS400Ccsid: 37
java.io.UnsupportedEncodingException
     at com/ibm/as400/access/ConvTable.getTableNoSwapChars
     at com/ibm/as400/access/ConvTable.getTable
     at com/ibm/as400/access/Converter.<init>
     at com/ibm/as400/access/Converter.getConverter
     at com/ibm/as400/access/Converter.getConverter
     at com/ibm/as400/access/AS400Text.<init>
     at TestAS400/SimpleAS400.init
     at com/ms/applet/AppletPanel.securedCall0
     at com/ms/applet/AppletPanel.securedCall
     at com/ms/applet/AppletPanel.processSentEvent
     at com/ms/applet/AppletPanel.processSentEvent
     at com/ms/applet/AppletPanel.run
     at java/lang/Thread.run
An unknown problem has occurred.
com.ibm.as400.access.InternalErrorException: An unknown problem has
occurred.
     at com/ibm/as400/access/InternalErrorException.<init>
     at com/ibm/as400/access/Converter.getConverter
     at com/ibm/as400/access/AS400Text.<init>
     at TestAS400/SimpleAS400.init
     at com/ms/applet/AppletPanel.securedCall0
     at com/ms/applet/AppletPanel.securedCall
     at com/ms/applet/AppletPanel.processSentEvent
     at com/ms/applet/AppletPanel.processSentEvent
     at com/ms/applet/AppletPanel.run
     at java/lang/Thread.run
Version 1
Some further debug info is that I put a few println's in to read the System
Properties.
The user.language and user.region are available within the ILE,
but I get a java security exception when I run it from the browser.

Any suggestions would be helpful... Nick



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