Created attachment 35699 [details] WARNING Hello, I was trying to export data from .xlsx document to the console in Intellij IDEA IDE, but Java throws me this warning: WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.apache.poi.openxml4j.util.ZipSecureFile$1 (file:/D:/Users/Sergei/Documents/JavaProjects/171rdb043/src/poi-3.17/poi-ooxml-3.17.jar) to field java.io.FilterInputStream.in WARNING: Please consider reporting this to the maintainers of org.apache.poi.openxml4j.util.ZipSecureFile$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release I'm using JDK 9 and JRE 9. There is no problem in Intellij IDEA. Could you explain me what may cause this problem? I found that it might be probably bug in your API. Screenshot in attachment. Thanks, Sergei
*** This bug has been marked as a duplicate of bug 61572 ***