我正在使用 POI 从 Excel 文件中提取数据。（Excel 工作表中的第 5 列包含我的文件系统中存在的文件的名称）我循环遍历表的行（使用 POI 提取单元格的内容），并为每一行创建 Tika 的实例，并解析名为的文件第五列带有 Tika“parseToString(file)”，当文件是 Office 文档（excel、ppt、word）时，我收到此错误：
Exception in thread "AWT-EventQueue-0" java.lang.NoSuchFieldError: filesystem
at org.apache.poi.hwpf.HWPFDocument.<init>(HWPFDocument.java:185)
at org.apache.poi.hwpf.HWPFDocument.<init>(HWPFDocument.java:131)
at org.apache.tika.parser.microsoft.WordExtractor.parse(WordExtractor.java:61)
at org.apache.tika.parser.microsoft.OfficeParser.parse(OfficeParser.java:182)
at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:197)
at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:197)
at org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:135)
at org.apache.tika.Tika.parseToString(Tika.java:357)
at org.apache.tika.Tika.parseToString(Tika.java:423)
at org.apache.tika.Tika.parseToString(Tika.java:403)
at HP.BuildMailExcelDoc.getTextFromTika(BuildMailExcelDoc.java:355)
at HP.BuildMailExcelDoc.addExcelDoc(BuildMailExcelDoc.java:314)
at HP.BuildMailExcelDoc.buildDoc(BuildMailExcelDoc.java:196)
at HP.BuildMailExcelDoc.buildMailDoc(BuildMailExcelDoc.java:102)
at HP.BuildMailExcelDoc.indexDirectory(BuildMailExcelDoc.java:69)
at HP.BuildMailExcelDoc.indexDirectory(BuildMailExcelDoc.java:78)
at HP.BuildMailExcelDoc.buildDoc(BuildMailExcelDoc.java:63)
at HP.IndexGUI$1.mouseClicked(IndexGUI.java:281)
at java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown …