做信息采集时，读取EXCEL遇到的问题。
出现下面错误的原因是：本来excel模板为xls结尾，结果别人使用后改成了xlsx结尾。
解决方法：把POI的版本由4.0以上改为3.17 解决问题
Exception in thread "pool-1-thread-1" org.apache.poi.ooxml.POIXMLException:org.apache.xmlbeans.XmlOptions.setEntityExpansionLimit(I)Lorg/apache/xmlbeans/XmlOptions;
at org.apache.poi.ooxml.POIXMLFactory.createDocumentPart(POIXMLFactory.java:66)
at org.apache.poi.ooxml.POIXMLDocumentPart.read(POIXMLDocumentPart.java:657)
at org.apache.poi.ooxml.POIXMLDocument.load(POIXMLDocument.java:180)
at org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java:282)
at org.apache.poi.xssf.usermodel.XSSFWorkbookFactory.createWorkbook(XSSFWorkbookFactory.java:88)
at org.apache.poi.xssf.usermodel.XSSFWorkbookFactory.createWorkbook(XSSFWorkbookFactory.java:116)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.poi.ss.usermodel.WorkbookFactory.createWorkbook(WorkbookFactory.java:339)
at org.apache.poi.ss.usermodel.WorkbookFactory.createXSSFWorkbook(WorkbookFactory.java:314)
at org.apache.poi.ss.usermodel.WorkbookFactory.create(WorkbookFactory.java:302)
at org.apache.poi.ss.usermodel.WorkbookFactory.create(WorkbookFactory.java:271)
at org.apache.poi.ss.usermodel.WorkbookFactory.create(WorkbookFactory.java:252)
at com.newsky.ec.ExcelCollector.collect(ExcelCollector.java:59)
at com.newsky.ec.concurrency.ExcelCollectThread.run(ExcelCollectThread.java:39)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.poi.xssf.usermodel.XSSFFactory.createDocumentPart(XSSFFactory.java:56)
at org.apache.poi.ooxml.POIXMLFactory.createDocumentPart(POIXMLFactory.java:63)
... 19 more
Caused by: java.lang.NoSuchMethodError: org.apache.xmlbeans.XmlOptions.setEntityExpansionLimit(I)Lorg/apache/xmlbeans/XmlOptions;
at org.apache.poi.ooxml.POIXMLTypeLoader.<clinit>(POIXMLTypeLoader.java:43)
at org.apache.poi.xssf.model.ThemesTable.<init>(ThemesTable.java:86)
... 25 more