What is the problem in my code?
orderIsbnDetails.setIsbn(request.getParameter("isbn"+ i).trim());
This line throws NullpointerException
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user207421
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Nirmala Mary
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Post your relevant `jsp` and `spring - controller` part. – Vinoth Krishnan Mar 22 '16 at 07:41
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The parameter wasn't present, obviously, or else `orderIsbnDetails` is null. – user207421 Mar 22 '16 at 07:44
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@VinothKrishnan 'Throughs' is no improvement over 'through' here. – user207421 Mar 22 '16 at 07:46
1 Answers
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request.getParameter("isbn"+ i)is null.
null.trim() causes NullPointerException.
user207421
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hoyeonUm
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