无法使用mailR包发送电子邮件
无法使用mailR包发送电子邮件
提问于 2018-04-25 15:15:44
我得到了下面提到的错误。我将mail.jar、activation.jar、mailapi.jar、common-lang3.jar复制到/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext
java.lang.NoClassDefFoundError: javax/activation/DataHandler
at org.apache.commons.mail.Email.createMimeMessage(Email.java:1832)
at org.apache.commons.mail.Email.buildMimeMessage(Email.java:1268)
at org.apache.commons.mail.Email.send(Email.java:1436)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at RJavaTools.invokeMethod(RJavaTools.java:386)
Caused by: java.lang.ClassNotFoundException
at RJavaClassLoader.findClass(RJavaClassLoader.java:383)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:566)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
... 8 more
NULL
Error: NoClassDefFoundError (Java): javax/activation/DataHandlerStack Overflow用户
发布于 2019-03-29 21:31:03
文斯·富尔科在Ubuntu18.04中提供作品的链接中的一条评论：https://github.com/rpremraj/mailR/issues/77#issuecomment-465741847
具体地说：
- 下载以下.jar文件：
- [https://mvnrepository.com/artifact/javax.activation/javax.activation-api/1.2.0](https://mvnrepository.com/artifact/javax.activation/javax.activation-api/1.2.0)
- [https://mvnrepository.com/artifact/com.sun.activation/javax.activation/1.2.0](https://mvnrepository.com/artifact/com.sun.activation/javax.activation/1.2.0)
- 找到java-mailR文件夹: system.file("java"，package = "mailR")
- In my case: "/home/MY\_USERNAME/R/x86\_64-pc-linux-gnu-library/3.5/mailR/java"
- 将两个.jar文件复制到该文件夹
中
为了以防万一，我在尝试之前重新启动了计算机。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/50016207
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