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problem running the download JAR application

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hi all. I tried out the download jar file application from HFSJ book chapter 4. Here is my code -



the url that i am using to run the application is
After this i am getting a download dialog box that asks me whether i want to download a "readfile.do" file, instead of the catalina.jar file as said in the CodeReturn.java source code.

The file gets downloaded by the name readfile.do, but its actually a catalina.jar file, because when i edit it , i can see the catalina specific
garbage characters. But the point is why is it getting saved as a readfile.do and not as a catalina.jar ?

I am into the second reading of the book, and i must execute this code as i was unable to execute it during the first reading. Also, in web.xml i have added the mime tags ( not mentioned in the book ), but still the app doesnt work !

Please help me
thanks in advance !
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