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java lang NullPointerException

 
Greenhorn
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hae, i have a problem saving data in the database, am getting NullPointerException.
below are three java files for my code



 
Rancher
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Can you post the full stack trace, as well as highlight the line in your code that the NullPointerException is thrown from?

Trawling through 100s of lines of code trying to spot a potential NPE is like looking for a needle in a haystack.
 
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