问题描述
限时送ChatGPT账号..我遇到了下面提到的错误.我把mail.jar、activation.jar、mailapi.jar、common-lang3.jar复制到/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext
I am getting below mentioned error. I copied mail.jar, activation.jar, mailapi.jar, common-lang3.jar to /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext
java.lang.NoClassDefFoundError: javax/activation/DataHandler
at org.apachemons.mail.Email.createMimeMessage(Email.java:1832)
at org.apachemons.mail.Email.buildMimeMessage(Email.java:1268)
at org.apachemons.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/DataHandler
推荐答案
Vince Fulco 提供的链接中的评论之一适用于 Ubuntu 18.04:https://github/rpremraj/mailR/issues/77#issuecomment-465741847
One of the comments in the link Vince Fulco provided works in Ubuntu 18.04: https://github/rpremraj/mailR/issues/77#issuecomment-465741847
特别是:
下载以下 .jar 文件:
Download the following .jar files: https://mvnrepository/artifact/javax.激活/javax.activation-api/1.2.0https://mvnrepository/artifact/com.sun.activation/javax.activation/1.2.0
找出 java-mailR 文件夹:system.file("java", package = "mailR")
Find out the java-mailR folder: system.file("java", package = "mailR")
就我而言:/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
Copy the two .jar files into that folder
为了以防万一,我在尝试之前重新启动了计算机.
Just in case, I rebooted the computer before trying it.
这篇关于无法使用 mailR 包发送电子邮件的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
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