https://stackoverflow.com/questions/52327788/apache-poi-4-0-bar-chart-example-does-not-work/52333132#52333132
The fix is ready for review on https://github.com/apache/poi/pull/124 Many other answers by Axel Richter might be adapted and turned into examples of the newest API, when converting all low level CT* calls into X__F calls. https://stackoverflow.com/search?tab=newest&q=user%3a3915431%20%5bapache-poi%5d
resolved per r1841988