Calling a servlet from Java Class and receiving data from servlet
posted 9 years ago
I apologize if its not in the right forum. I am trying to call a servlet from java class and get data from the servlet to the java class. I am having some issues(java.io.StreamCorruptedException: invalid stream header) with it.
My Java class
My Servlet class is
The exception I get is
The error line is ObjectInputStream in = new ObjectInputStream(aConnection.getInputStream());
I also wanted to know if I am able to access my servlet as I did, since the servlet print statements are not getting executed. I tried the same servlet URL in the browser, atleast I get the user values printed in the log file, but XML error in the browser display.
Considering the line numbers in your exception don't correspond to the line numbers in your source, I see Red Herrings.
One problem in the code you did post is that you never set the value of the object you are writing in the servlet response.
This isn't a problem you've had yet, but it could turn into one: since a servlet can be executed by several threads at the same time, it is a Bad Idea to use instance variables.
Thanks for the reply. The code I posted is modified as I had to remove some unwanted code and comments which were not relevant, hence the line number change. I did not mean to mislead, thats why I mentioned the statement.
Also, the servlet output "user_id" is set in the code before which I did not post, but did post a comment in line 48. I will also change the instance variables.
Am I calling the servlet correctly, as I am able to access it via the same url, but I am not seeing my print statements from the servlet(My first statement in the doPost method is a print).
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