easyExcel与poi版本不兼容导致的后台报错问题

「爱情、让人受尽委屈。」 2024-03-26 13:44 16阅读 0赞

> 1、背景：最新接手公司系统excel导入解析模块，点击批量导入，后台报错如下

com.alibaba.excel.exception.ExcelAnalysisException: java.lang.NoClassDefFoundError: org/apache/poi/poifs/filesystem/FileMagic
        at com.alibaba.excel.analysis.ExcelAnalyserImpl.<init>(ExcelAnalyserImpl.java:57)
        at com.alibaba.excel.ExcelReader.<init>(ExcelReader.java:145)
        at com.alibaba.excel.read.builder.ExcelReaderBuilder.build(ExcelReaderBuilder.java:193)
        at com.alibaba.excel.read.builder.ExcelReaderBuilder.sheet(ExcelReaderBuilder.java:229)
        at com.alibaba.excel.read.builder.ExcelReaderBuilder.sheet(ExcelReaderBuilder.java:217)
        at test.jifen.ZJpsbcTest.parseExcel(ZJpsbcTest.java:267)
        at test.jifen.ZJpsbcTest.test1(ZJpsbcTest.java:190)
        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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
        at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
        at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
        at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
        at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
        at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
        at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
        at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
    Caused by: java.lang.NoClassDefFoundError: org/apache/poi/poifs/filesystem/FileMagic
        at com.alibaba.excel.support.ExcelTypeEnum.recognitionExcelType(ExcelTypeEnum.java:90)
        at com.alibaba.excel.support.ExcelTypeEnum.valueOf(ExcelTypeEnum.java:78)
        at com.alibaba.excel.analysis.ExcelAnalyserImpl.choiceExcelExecutor(ExcelAnalyserImpl.java:62)
        at com.alibaba.excel.analysis.ExcelAnalyserImpl.<init>(ExcelAnalyserImpl.java:51)
        ... 29 more
    Caused by: java.lang.ClassNotFoundException: org.apache.poi.poifs.filesystem.FileMagic
        at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 33 more

> 2、问题：easyExcel与poi版本不一致问题（easyExcel中包含poi）

项目中引入的easyExcel与poi版本如下：
    
    <org.apache.poi-version>3.15-beta1</org.apache.poi-version>
    <com.alibaba.easyexcel-version>3.0.1</com.alibaba.easyexcel-version>
    ps：easyExcel 3.0.1版本中包含poi 的4.1.2版本

> 3、解决：解决版本一般是兼容高版本，所以将poi的版本统一修改为4.1.2版本；并且三个poi：poi，poi-ooxml，poi-ooxml-schemas的版本号要一致。

<dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>poi</artifactId>
                <version>4.1.2</version>
            </dependency>
            <dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>poi-scratchpad</artifactId>
                <version>4.1.2</version>
            </dependency>
            <dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>poi-ooxml</artifactId>
                <version>4.1.2</version>
            </dependency>

> ps：升级poi的过程中可能需要修改接口，比如Cell.CELL\_TYPE\_STRING升级后替换为STRING等。

> 4、上面的bug解决后又出现新bug，如下

Caused by: java.lang.NoSuchMethodError: org.apache.xmlbeans.XmlOptions.setEntityExpansionLimit(I)Lorg/apache/xmlbeans/XmlOptions;

> 5、原因：查看类org.apache.xmlbeans.XmlOptions，搜索发现这个类确实没有setEntityExpansionLimit()这个方法；  
> ![在这里插入图片描述][0b5317387912442097fdaa55c291d27a.png]

> 6、解决方案：升级xmlbeans的版本如下

<dependency>
                <groupId>org.apache.xmlbeans</groupId>
                <artifactId>xmlbeans</artifactId>
                <version>2.6.0</version>
            </dependency>
            ===============修改为3.1.0版本===========
            <dependency>
                <groupId>org.apache.xmlbeans</groupId>
                <artifactId>xmlbeans</artifactId>
                <version>3.1.0</version>
            </dependency>

> ps：再次查看idea中左侧的lib目录，现在xmlbeans的jar已经更新为3.1.0版本，并且有了setEntityExpansionLimit方法，至此依赖冲突问题解决。

> 总结：  
> 1、解决依赖冲突一般需要升级处理  
> 2、可以通过idea左侧的libraries目录查看导入jar的版本信息以及java类  
> 3、可以通过idea插件Maven Helper的形式查看maven依赖冲突

[引用地址][Link 1]

[0b5317387912442097fdaa55c291d27a.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/26/6492b1e1c2ac4808a5d4a80940693457.png
[Link 1]: https://blog.icoxs.com/article/detail/27ce204721d7

easyExcel与poi版本不兼容导致的后台报错问题

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