Workbook Evaluator bug fix on checking an IF without a third param#1176
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tonyqus
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Sep 5, 2023
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Hello @tonyqus |
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@fred2020-net Yeah, I'll review this ticket this week or next week. But please understand that 2.7.0 is not a release happening soon. 2.6.2 is just released last week. Usually, it takes 3-5 month to have another release. So far, NPOI is still a free component under Apache 2.0 license. I use my spare time to maintain it and in other words, it's a hobby project. If NPOI changes license to commercial in the future, the situation can be different. We will have promise on commercial clients and will have a fixed release cycle (for example, monthly release or even biweekly release). |
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LGTM |
This was referenced Apr 2, 2026
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evaluation stack not empty is throwed when using an IF without a third param
formula example:
=IF(C37="8E";"CH8E-1";IF(C37="8F";"CH8F-2"))
in case of FALSE of condition C37="8E" then the exception is thrown.
Solution found on looking at the source code:
https://svn.apache.org/repos/asf/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/WorkbookEvaluator.java
Bug introduced in this commit:
e3ba38b#r126492380