[J2's] ksoap2 may cause symbianos error-28 on a Nokia real machine

Can ksoap2 cause symbianos error-28 on a Nokia real machine?

Symptom:
I use ksoap2 to request a remote web service.
It runs on Nokia s60 series simulators and wtk2.2 simulators without any problems.
However, on the nokia7610 real machine, after answering the question "whether the network is allowed", the error report symbianos error-28 is immediately displayed. Java. ioexception ".
TheProgramIt runs normally on Sony Ericsson k700c.

Suspect:
There is no way to log on to ksoap2 on a real machine.CodeBut suspect that
Connection. Receive (packet );
This error is similar to the com. Sun. MIDP. Io. j2_datasync. Protocol. Receive error.

Solution:
Ksoap2 or kSOAP is not required.