Caused by: java.lang.NoClassDefFoundError: javax/el/ELManager

出现问题的原因：

在将springboot项目部署到Linux下的Tomcat中，项目无法正常启动（本地能正常运行），Tomcat启动日志中出现：

各种百度，有说将apache-tomcat/lib目录下，el-api.jar放到Java/jre/lib/ext下。

有说将编译器下的el-api.jar放到apache-tomcat/lib目录下，两种方法都试过了，不行。

问题总结：

出现这个问题的原因，应该是Tomcat的el-api.jar与编译器的el-api.jar包有差异导致的。

我的解决方法：

将我的编译器下的el-api.jar包（我的路径：C:\Program Files\JetBrains\IntelliJ IDEA 2018.1\lib\rt\jasper2.1），

分别放到服务器端的Tomcat的lib包下（我的路径：/usr/local/tomcat/apache-tomcat-7.0.77/lib），

和jdk/lib/ext包下（我的路径：/usr/lib/java-1.8.0/jdk1.8.0_161/jre/lib/ext）。

apache-tomcat/lib目录下，拷贝el-api.jar放到D:\Java\jdk1.6.0_11\jre\lib\ext下即可

原文地址：https://www.cnblogs.com/Darlin356230410/p/9172474.html

时间： 2024-08-30 12:31:34

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