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  • Subject: Re: FW: record-level access
  • From: Nick_Vrtis@xxxxxxxxx
  • Date: Wed, 17 May 2000 17:13:51 -0400


David,

I just wanted to say that your notes and answers are probably the best I
have seen for helping people work through their problems with the Toolbox.
I am amazed at how you sort through the problems and provide helpful
answers.  I think that you are doing a heck of a job making the AS/400 much
easier to use.

Please feel free to pass this along to your boss... I think you deserve a
nice compliment.  And thanks.

Nick Vrtis - Amway Corporation...




dawall@us.ibm.com@midrange.com on 05/17/2000 10:57:22 AM

Please respond to JAVA400-L@midrange.com

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


To:   JAVA400-L@midrange.com
cc:

Subject:  Re: FW: record-level access


>> CLASSPATH=/QIBM/ProdData/Java400/lib/jdkptf.zip:
>> /QIBM/ProdData/Java400/lib/java.zip:
>> /QIBM/ProdData/Java400/lib/sun.zip:
>> /QIBM/ProdData/Java400/com/ibm/db2/jdbc/app/db2_classes.zip:
>> /QIBM/ProdData/Java400/:
>> /myjava

Your classpath does not include the Toolbox access classes.  Add
"/QIBM/ProdData/HTTP/Public/jt400/lib/jt400.jar" to your classpath
and you should be set.  There are a couple of ways to do this.  In
your example you use the -classpath parm of the Java command.  You
can change that to
   "java -classpath /myjava:/QIBM/ProdData/HTTP/Public/jt400/lib/jt400.jar
ShowMeClas"
or setup up the CLASSPATH environment variable once in QSHELL by entering
command
"export -s CLASSPATH=
/myjava:/QIBM/ProdData/HTTP/Public/jt400/lib/jt400.jar"


Since you talk about QSHELL you must be running on the AS/400.  Make sure
the Toolbox container you use (jt400.jar or jt400Access.zip) has an
associated
Java program.

David Wall
AS/400 Toolbox for Java


"Cummings, Wanda" <Cummings@AE.com> on 05/17/2000 08:29:37 AM

Please respond to JAVA400-L@midrange.com

To:   "'java400-l@midrange.com'" <java400-l@midrange.com>
cc:
Subject:  FW: record-level access






> -----Original Message-----
> From:   Cummings, Wanda
> Sent:   Tuesday, May 16, 2000 4:22 PM
> To:     'java-l@midrange.com'
> Subject:     record-level access
>
> i have tried,for days, solving this myself, but i am convinced i need
> help.
>
> i am trying to learn java on the as400. our manager wants us to read an
> as400 PF and write a simple listing.
> he wants us to try with record-level first (DDM), than move up to JDBC
>
> classpath shown in QSH
>
>
> $
>
> java -classpath /myjava ShowMeClas
>
>
CLASSPATH=/QIBM/ProdData/Java400/lib/jdkptf.zip:/QIBM/ProdData/Java400/lib
> /j
> ava.zip:/QIBM/ProdData/Java400/lib/sun.zip:/QIBM/Prod
>
Data/Java400/com/ibm/db2/jdbc/app/db2_classes.zip:/QIBM/ProdData/Java400/:
> /m
> yjava
> $
>
>
> my simple program:
>
>
>  import java.io.*;
>  import java.util.*;
>  import java.math.*;
>  import java.lang.*;
>  import com.ibm.as400.access.*;
>
>  public class ListCust {
>
>     public ListCust() {
>     // Step 1:
>     // Connect to an AS/400
>     AS400 as400 = new AS400();
>
>    // Step 2:
>    // Specify file location
>    KeyedFile myFile =
>       new KeyedFile(as400,
>           "/qsys.lib/examples.lib/custmst.file");
>
>
>  // Step 3:
>  // Retrieve a record format
>  AS400FileRecordDescription myFileDesc =
>     new AS400FileRecordDescription(as400,
>         "/qsys.lib/examples.lib/custmst.file");
>
>  try
>  {
>
>  RecordFormat recFormats[] = myFileDesc.retrieveRecordFormat();
>  myFile.setRecordFormat(recFormats[0]);
>
>  // Step 4:
>  // open the file
>  myFile.open(AS400File.READ_ONLY,
>              0,
>              AS400File.COMMIT_LOCK_LEVEL_NONE);
>
>   // Step 5:
>   // Read a record
>   for (Record record = myFile.readNext();
>          record != null;
>          record = myFile.readNext()) {
>
>   // Step 6:
>   // Retrieve the field values of that record
>   BigDecimal CustnoField =
>          (BigDecimal) record.getField( "CUSNUM" );
>   String NameField =
>          (String) record.getField( "LSTNAM" );
>   System.out.println(NameField + CustnoField);
>   }
>
>   // Close the file
>   myFile.close();
>
>  } catch (Exception e) {
>    System.out.println(
>           "Error occurred listing the file.");
>
>     try
>     {
>       myFile.close();
>     } catch(Exception x) {
>       System.out.println(
>           "Error occurred closing the file.");
>     }
>       System.exit(0);
>     }
>   System.exit(0);
>   }
>
>   public static void main(String[] args)  {
>       ListCust ListCust = new ListCust();
>
>    }
>  }
>
> errors from QSH execution:
>
>
>
>   Loading class java/lang/ThreadDeath.class
>
>   Loading class java/lang/NoSuchMethodError.class
>
>   Loading class java/lang/IncompatibleClassChangeError.class
>
>   Loading class java/lang/LinkageError.class
>
>   Loading class java/lang/OutOfMemoryError.class
>
>   Loading class ListCust.class
>
>   Loading class com/ibm/as400/access/AS400File.class
>
>   Failed to load class file: com/ibm/as400/access/AS400File.class
>
>   Loading class java/lang/NoClassDefFoundError.class
>
>   Loading class java/math/BigDecimal.class
>
>   Loading class com/ibm/as400/access/AS400.class
>
>   Failed to load class file: com/ibm/as400/access/AS400.class
>
>   java.lang.NoClassDefFoundError: com/ibm/as400/access/AS400
>
>         ListCust.<init>()V+4 (ListCust.java:13)
>
>         ListCust.main([Ljava/lang/String;)V+1 (ListCust.java:73)
>
>   $
>
>
>
> Thank you in advance for any help. I am having trouble understanding
> classpath, do i need to change my autoexec.bat to reflect
> QIBM/ProdData/HTTP/Public/jt400?
>
>
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| To submit a new message, send your mail to JAVA400-L@midrange.com.
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