Thanks for advices. I check the program and found the error location is the next line, but I don't know still how to solve it. ((XSSFWorkbook) (this.workbook)).close();
The error info is next: [17-01-26 18:22:30.972] {resin-port-8080-35} java.lang.ExceptionInInitializerError at com.sun.org.apache.xml.internal.serializer.ToUnknownStream.<init>(ToUnknownS tream.java:143) at com.sun.org.apache.xalan.internal.xsltc.runtime.output.TransletOutputHandler Factory.getSerializationHandler(TransletOutputHandlerFactory.java:160) at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.getOutputHandle r(TransformerImpl.java:461) at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(Trans formerImpl.java:344) at org.apache.poi.openxml4j.opc.StreamHelper.saveXmlInStream(StreamHelper.java: 80) at org.apache.poi.openxml4j.opc.internal.marshallers.ZipPartMarshaller.marshall RelationshipPart(ZipPartMarshaller.java:181) at org.apache.poi.openxml4j.opc.ZipPackage.saveImpl(ZipPackage.java:560) at org.apache.poi.openxml4j.opc.OPCPackage.save(OPCPackage.java:1557) at org.apache.poi.openxml4j.opc.OPCPackage.save(OPCPackage.java:1542) at org.apache.poi.openxml4j.opc.ZipPackage.closeImpl(ZipPackage.java:445) at org.apache.poi.openxml4j.opc.OPCPackage.close(OPCPackage.java:496) at org.apache.poi.POIXMLDocument.close(POIXMLDocument.java:210) at efw.excel.Excel.close(Excel.java:104) And reading data from xlsx is correctly worked. -----Original Message----- From: kejun.ch...@escco.co.jp [mailto:kejun.ch...@escco.co.jp] Sent: Wednesday, January 25, 2017 5:15 PM To: user@poi.apache.org Subject: An error when I use poi3.15 in a resin4 web applicatoin Hello. I made a web application which is correct in tomcat. When I put it into resin4, everything is good except POI3.15. It became not to read xlsx, but xls reading is still correct. Error info is the next line. java.lang.NoClassDefFoundError: Could not initialize class com.sun.org.apache.xml.internal.serializer.ToXMLStream I check every jar in POI and tomcat, but can't find the class. I don't know whether it is bug of POI or not when I writing the mail. I am puzzled, please give me some advice. --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@poi.apache.org For additional commands, e-mail: user-h...@poi.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@poi.apache.org For additional commands, e-mail: user-h...@poi.apache.org