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NullPointerException in selectManyCheckbox

 
Greenhorn
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i delete the upper codes and write lines which is below



i can see the contents of lists.

but i get servlet exception and nullpointer exception

log is here:




how can i debug where is the null pointer?

and any idea to solve the issue would be appreciated.

thanks in advance.
 
merve klug
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issue has been resolved. the problem was string list. i used a string array instead of string list so it is ok now.
thanks
 
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