jrangeld Posted December 5, 2018 Share Posted December 5, 2018 Hi, Currently I change my jar apache poi from 3.7 to 3.16, a big jump. the problem started when generating a report with jasper 4.5.1 the error that returns to me is the following one (The cell can not be added. "), investigating verifies that both have problems of compatibility but I need to have both in my project, that suggest me Thanks for your help in advance. Link to comment Share on other sites More sharing options...
hozawa Posted December 6, 2018 Share Posted December 6, 2018 Java doesn't allow multiple versions of the same library. If you need 2 versions, break your projects so each will only use 1 version. Link to comment Share on other sites More sharing options...
jrangeld Posted December 7, 2018 Author Share Posted December 7, 2018 Thanks for answering, but that is not an option because I need a single project, but I do not solve but I consider switching to Apache POI 3.7 as it was doing . Link to comment Share on other sites More sharing options...
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