Eclipse - Jasper 报告未编译 (java.lang.NoClassDefFoundError: org/apache/commons/digester/Digester)
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Eclipse - Jasper report not compiling (java.lang.NoClassDefFoundError: org/apache/commons/digester/Digester)
提问by bstack
I am trying to generate a jasper report via the Eclipse ide, however when I execute the following line of code:
我试图通过 Eclipse ide 生成一个 jasper 报告，但是当我执行以下代码行时：
jasperReport = JasperCompileManager.compileReport("reports/samplereport.jrxml");
I get the following error:
我收到以下错误：
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/digester/Digester
at net.sf.jasperreports.engine.JasperCompileManager.compileReport(JasperCompileManager.java:146)
I have added the apache common digester jar as a project library but it does not seem to make a difference. NOTE: I am from a java novice (i.e. Ive a .NET background,) so I am very likely doing something really obvious!
我已将 apache 通用消化器 jar 添加为项目库，但它似乎没有什么区别。注意：我是 Java 新手（即我有 .NET 背景），所以我很可能会做一些非常明显的事情！
回答by erencan
you may be missing some jars. try to add these ones with any version.
你可能缺少一些罐子。尝试使用任何版本添加这些。
jasperreports-.jar;
jasperreports-javaflow.jar;
commons-beanutils.jar;
commons-collections.jar;
commons-logging.jar;
commons-digester.jar
jasperreports-.jar;
jasperreports-javaflow.jar;
commons-beanutils.jar;
公共集合.jar;
commons-logging.jar;
commons-digester.jar
回答by Goke Obasa
If your project is based on maven, you can add Jasper reports as a maven dependency, see sample code snippet below. Jasper report would automatically import all the libraries it needs to work properly.
如果您的项目基于 maven，您可以将 Jasper 报告添加为 maven 依赖项，请参阅下面的示例代码片段。Jasper 报告会自动导入它正常工作所需的所有库。
...
<dependency>
<groupId>net.sf.jasperreports</groupId>
<artifactId>jasperreports</artifactId>
<version>6.4.1</version>
</dependency>
...
