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Error: Gradle: Error: package javax.mail does not exist

How can I get .jar files from javamail?

I am using intelliJ IDEA IDE and trying to navigate to project structure - libraries - add .jar files and save. Then I went into modules and checked the boxes under the export simply because the support library I use for snippets etc. was checked.

I used the code Sending Email on Android using JavaMail API without using the stock / built-in app , but no luck.

I've tried using the .jar files intact as well as after extraction, but both fail with the same error.

I don't get an error in code edit mode only when compilation fails with gradle error and presents me with an error ", error (3.6): Gradle: error: javax. Mail package does not exist. Please help!

I also tried to follow the instructions How to use external JAR files in an Android project? but I think these directions are for the Eclipse IDE.

edt: gradle -build:

Information:Compilation completed with 25 errors and 0 warnings in 25 sec
Information:25 errors
Information:0 warnings
Error:Gradle: Execution failed for task ':app:compileDebugJava'.

Compilation error; see compiler error output. C: \ Users \ Marcus \ Documents \ IdeaProjects \ Android \ TestProjects \ TestMailFeature3 \ app \ SRC \ home \ Java \ com \ majorwit \ testmailfeature3 \ app \ GMailSender.java

Error:(3, 24) Gradle: error: package javax.activation does not exist

Error:(4, 24) Gradle: error: package javax.activation does not exist

Error:(5, 18) Gradle: error: package javax.mail does not exist

Error:(6, 18) Gradle: error: package javax.mail does not exist

Error:(7, 18) Gradle: error: package javax.mail does not exist

Error:(8, 18) Gradle: error: package javax.mail does not exist

Error:(9, 27) Gradle: error: package javax.mail.internet does not exist

Error:(10, 27) Gradle: error: package javax.mail.internet does not exist

Error:(18, 44) Gradle: error: package javax.mail does not exist

Error:(22, 13) Gradle: error: cannot find symbol class Session

Error:(46, 15) Gradle: error: cannot find symbol class PasswordAuthentication

Error:(67, 49) Gradle: error: cannot find symbol class DataSource    

Error:(43, 19) Gradle: error: cannot find symbol variable Session

Error:(47, 20) Gradle: error: cannot find symbol class PasswordAuthentication

Error:(52, 13) Gradle: error: cannot find symbol class MimeMessage

Error:(52, 39) Gradle: error: cannot find symbol class MimeMessage

Error:(53, 13) Gradle: error: cannot find symbol class DataHandler

Error:(53, 39) Gradle: error: cannot find symbol class DataHandler

Error:(54, 35) Gradle: error: cannot find symbol class InternetAddress

Error:(58, 46) Gradle: error: package Message does not exist

Error:(58, 65) Gradle: error: cannot find symbol variable InternetAddress

Error:(60, 45) Gradle: error: package Message does not exist

Error:(60, 68) Gradle: error: cannot find symbol class InternetAddress

Error:(61, 13) Gradle: error: cannot find symbol variable Transport
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2 answers


The javax.activation and javax.mail packages are not part of the standard Android packages ( http://developer.android.com/reference/packages.html ).

Fortunately, the Android version from JavaMail has been released ( https://java.net/projects/javamail/pages/Android ). I followed the suggestion to change the build.gradle file for my project in Android Studio and was able to compile successfully without having to manually download the jar files.



android {
  packagingOptions {
    pickFirst 'META-INF/LICENSE.txt' // picks the JavaMail license file
  }
}
repositories { 
  jcenter()
  maven {
    url "https://maven.java.net/content/groups/public/"
  }
} 
dependencies {
  compile 'com.sun.mail:android-mail:1.5.5'
  compile 'com.sun.mail:android-activation:1.5.5'
}
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I added the following to my build.gradle (Module: app) file and it compiled without error.

dependencies {
    //other dependencies here...
    compile 'com.sun.mail:android-mail:1.5.5'
    compile 'com.sun.mail:android-activation:1.5.5'
    testCompile 'junit:junit:4.12'
}
apply plugin: 'com.google.gms.google-services'


One diff is that in my case it is an Android project.

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