Exception in thread "main" java.lang.ExceptionInInitializerError
at org.openxmlformats.schemas.spreadsheetml.x2006.main.CTDxfs$Factory.newInstance(Unknown Source)
at org.apache.poi.xssf.model.StylesTable.writeTo(StylesTable.java:362)
at org.apache.poi.xssf.model.StylesTable.commit(StylesTable.java:377)
at org.apache.poi.POIXMLDocumentPart.onSave(POIXMLDocumentPart.java:177)
at org.apache.poi.POIXMLDocumentPart.onSave(POIXMLDocumentPart.java:181)
at org.apache.poi.POIXMLDocument.write(POIXMLDocument.java:214)
at lesXls.exports.puissance.PoiXlsxTest01.main(PoiXlsxTest01.java:32)
Caused by: java.lang.SecurityException: class "org.openxmlformats.schemas.spreadsheetml.x2006.main.CTDxfs$1"'s signer information does not match signer information of other classes in the same package
at java.lang.ClassLoader.checkCerts(ClassLoader.java:775)
at java.lang.ClassLoader.preDefineClass(ClassLoader.java:487)
at java.lang.ClassLoader.defineClass(ClassLoader.java:614)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at org.openxmlformats.schemas.spreadsheetml.x2006.main.CTDxfs.<clinit>(Unknown Source)
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