java.lang.NoClassDefFoundError: org/apache/poi/poifs/filesystem/FileMagic
maven项目,使用POI读写2007版本Excel出错,一直不知道原因,后来发现导入的poi,和poi-ooxml版本不一致
Exception in thread "Thread-4" java.lang.NoClassDefFoundError: org/apache/poi/poifs/filesystem/FileMagic at org.apache.poi.openxml4j.opc.internal.ZipHelper.openZipStream(ZipHelper.java:208) at org.apache.poi.openxml4j.opc.ZipPackage.<init>(ZipPackage.java:98) at org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:324) at org.apache.poi.util.PackageHelper.open(PackageHelper.java:37) at org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java:295) at main.App.readExcel(App.java:274) at main.App.lambda$actionPerformed$0(App.java:177) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.ClassNotFoundException: org.apache.poi.poifs.filesystem.FileMagic at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 8 more
pom文件poi配置
<dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>3.16</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>3.17</version> </dependency>
改为一样的版本就好了,如都用3.16