Call a web service from java (eclipse)

Posted on 2012-12-24
Last Modified: 2013-01-01
How can I simply call a web service from java (eclipse)?
Question by:tcorigli
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LVL 27

Expert Comment

ID: 38719293
You make an httpservletrequest:

Most people use the Apache commons HttpClient as a wrapping package, since it handles redirects and cookies:

Author Comment

ID: 38719735
Thank you for you reply, but I'm looking for an example or tutorial that shows me step by step how I simply can call an external web service from java (eclipse).
LVL 27

Accepted Solution

mrcoffee365 earned 500 total points
ID: 38733638
In that case, it's an easy online search.  For example:

We could help more if you had some code you were trying.
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Author Comment

ID: 38734188
Hi mrcoffee365,
Thank you for the link. I have tried to execute the code, but I'm receiving the following error message:

Exception in thread "main" java.lang.ClassCastException: org.apache.xerces.dom.DeferredDocumentImpl cannot be cast to javax.swing.text.Document
      at WebServiceCall.parseXmlFile(
      at WebServiceCall.getWeather(
      at WebServiceCall.main(

The code is attached.
Your assistance is greatly appreciated.
LVL 27

Expert Comment

ID: 38734917
The exception is pretty clear.  This line, 126 in your program:
  return (Document) db.parse(is);

is trying to cast the results of DocumentBuilder db.parse method to a Document type.  So check the return type of the db.parse method, and cast it to the correct type or convert it to what you need.

Author Comment

ID: 38735119
Thanks mrcoffee

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