Getting logon problems with Signon server exchange client/server attributes

There have been topics posted on this signon error
before.  But I couldn't find any response that fixed
the signon problem.  Can anybody help? 

I am running V5R2.  I did a STRHOSTSVR *ALL and
STRTCPSVR *ALL but still could not connect through the
AS400 Java Object. Running a standalone telnet command
on Windows can connect to the AS400 successfully.

The trace output:

Toolbox for Java - Open Source Software, JTOpen 5.1.1,
codebase 5722-JC1 V5R4M0.2
AS400 object created
Thu Sep 7 10:07:23:075 PDT 2006  Signon server
exchange client/server attributes failed, return code:
00 04 00 08 
java.lang.Throwable
        at com.ibm.as400.access.Trace.log(Trace.java:1064)
        at com.ibm.as400.access.Trace.log(Trace.java:986)
        at
com.ibm.as400.access.AS400ImplRemote.signonConnect(AS400ImplRemote.java:1874)
        at
com.ibm.as400.access.AS400ImplRemote.signon(AS400ImplRemote.java:1755)
        at
com.ibm.as400.access.AS400.sendSignonRequest(AS400.java:2555)
        at
com.ibm.as400.access.AS400.promptSignon(AS400.java:2126)
        at com.ibm.as400.access.AS400.signon(AS400.java:3407)
        at
com.ibm.as400.access.AS400.validateSignon(AS400.java:3625)
        at
com.ibm.as400.access.AS400.validateSignon(AS400.java:3595)
        at
com.ibm.as400.access.AS400.authenticate(AS400.java:676)
        at
com.uppervision.test.UPPAS400CmdTest.main(UPPAS400CmdTest.java:45)

The java code:

              Trace.setTraceErrorOn(true);          //
Enable error messages
              Trace.setTraceWarningOn(true);        //
Enable warning messages
              Trace.setTraceOn(true);               //
Turn trace on for all

                      AS400 system = new AS400("192.168.1.100");
                      System.out.println("AS400 object created");
                      if (system.authenticate("TEST", "******")==
false)
                          System.out.println("Authentication failed");
                      else
                          System.out.println("Authentication
successful");

Thanks,

Chisiu

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