Correction to the query below: I am using implementation code from "Code
Listing 6" not "Code listing 1" and the params are called param3 and
param4, not param0/param1 as shown in Code Listing 6. Sorry if this
caused any confusion. -Lenny Wintfeld
Lenny Wintfeld wrote:
I have used the eclipse Code Generator Wizard plugin with the
quickstartadb sample. It successfully created java code corresponding
to the quickstartadb's wsdl file "StockQuoteService.wsdl". I added
the implementation of the StockQuoteServiceSkeleton shown in the Axis
2 web quick start guide page to the generated skeleton code (this is
"Code Listing 1" in
http://ws.apache.org/axis2/1_1/quickstartguide.html). I have built
the code without problems, using eclipse. I created a .aar from the
class, services.xml and wsdl files, and it deploys ok on a local
instance of Tomcat 5.5. I am also able to set breakpoints and single
step the code in the .aar in Tomcat using Eclipse 3.1.2. Running the
"getPrice" service returns the default value of 42.
Single stepping shows that the HashMap "map" in Code Listing 1 is
being written with 100.0 to location "IBM" when the "update" web
service is invoked from the browser ( as shown in the Axis2 Quick
Start Guide) when I enter
http://localhost:8080/axis2/rest/StockQuoteService/update?symbol=IBM&price=100
But when I subsequently use the getPrice web service with
http://localhost:8080/axis2/rest/StockQuoteService/getPrice?symbol=IBM,
the return value from the HashMap is null, and I get another return of
42 instead of 100.0!!!
My questions are :
1. Is the web service unloaded from memory by Tomcat after each
invocation? If so, is there a way to prevent this from happening?
2. The Axis 2 Quick Start Guide clearly expects the new value to show
up after a update / getPrice sequence of web service calls. Why is
this not happening with my build of the web service? Is there some
hidden serialization / re-initialization of the HashMap that should be
happening behind the scenes which is not occurring? Or what?
Before I start getting serious with this, I'd like to get a short
explanation of the above, if anyone can help me. Also, I have a total
of 3 days experience with Web Services development. The www is pretty
good for getting brief snips of information about Web Services, but is
there a GOOD book on this subject?
Thanks in advance for your help.
Lenny Wintfeld
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