Dagger: @Generated not found *javax.annotation.processing.Generated*

[ayvazj]

I am seeing this issue when trying to compile an Android project with Dagger2 (Google I/O 2018 sample app).

package javax.annotation.processing does not exist
import javax.annotation.processing.Generated;

I have tried the several solutions mentioned in the issues and stack overflow for resolving javax.annoation.Generated but not having any luck. Note the annotation is in the javax.annotation.processing package.

[ronshapiro]

Are you using -source 9 in your compilation (perhaps implicitly)? What do you get if you run javac -version?

[YuraAAA]

Are you using -source 9 in your compilation (perhaps implicitly)? What do you get if you run javac -version?

Same issue on my teamcity CI server (clean assembleDebug).

javac -version
javac 1.8.0_181

But on local PC works fine

$ javac -version
javac 1.8.0_162

Dependencies:

implementation "com.google.dagger:dagger:$dagger_version"
kapt "com.google.dagger:dagger-compiler:$dagger_version"
kapt "com.google.dagger:dagger-android-processor:$dagger_version"
implementation "com.google.dagger:dagger-android-support:$dagger_version"

where
dagger_version = '2.16'

Error

[Step 1/2] :app:compileDebugJavaWithJavac

package javax.annotation.processing does not exist
[19:54:12][:app:compileDebugJavaWithJavac] import javax.annotation.processing.Generated;
...
 error: cannot find symbol
[19:54:12][:app:compileDebugJavaWithJavac] @Generated

[ayvazj]

I am using (for Android)

compileOptions {
  sourceCompatibility JavaVersion.VERSION_1_8
  targetCompatibility JavaVersion.VERSION_1_8
}

I have also manually tried setting JAVA_HOME to jdk1.8 and jdk9 - same result.

[ayvazj]

My issue turned out to be related to JDK9 - explicitly using JDK 1.8 resolved the issue for me. ¯\_(ツ)_/¯

Add the following to gradle.properties

org.gradle.java.home={PATH TO JAVA 8}

Note setting JAVA_HOME did not work for me

[YuraAAA]

My issue turned out to be related to JDK9 - explicitly using JDK 1.8 resolved the issue for me. ¯_(ツ)_/¯

_Add the following to gradle.properties_

org.gradle.java.home={PATH TO JAVA 8}

Note setting JAVA_HOME did not work for me

Thank you. I checked my environment and found jdk11 and jdk8. Uninstall and reinstall only jdk8 removed this error.

[morymmm]

I am seeing the same issue when trying to compile with JDK10:

package javax.annotation.processing does not exist import javax.annotation.processing.Generated;

[tbroyer]

Fwiw, with 2.14 (using auto-common 0.9), Dagger will use @javax.annotation.processing.Generated unless --release 8 is used (in which case @javax.annotation.Generated will be used instead):

tasks.withType(JavaCompile) {
  options.compilerArgs += [ "--release", "8" ]
}

From 2.15 onward (using auto-common 0.10), Dagger will also respect -source 8 -target 8, i.e. Gradle's sourceCompatibility and targetCompatibility.

[morymmm]

I have created a simple android application written in kotlin with an empty dagger component:

@Component
interface AppComponent { }

apply plugin: 'kotlin-kapt'

dependencies {
    implementation 'com.google.dagger:dagger:2.19'
    kapt 'com.google.dagger:dagger-compiler:2.19'
}

When trying to compile with dagger 2.19 and JDK10 dagger adds javax.annotation.processing.Generated annotation to DaggerAppComponent class and compilation fails with:

```
error: package javax.annotation.processing does not exist
error: cannot find symbol @Generated
````

Compiling with JDK8 works fine. There is no @Generated annotation added. When I switch to dagger 2.13 it does not add @Generated for both JDK10 and JDK8.

[contrudar]

there is no way to make it work with Java 11?

[contrudar]

My issue turned out to be related to JDK9 - explicitly using JDK 1.8 resolved the issue for me. ¯_(ツ)_/¯

_Add the following to gradle.properties_

org.gradle.java.home={PATH TO JAVA 8}

Note setting JAVA_HOME did not work for me

just in case, if you don't want to put it to gradle.properties, you can use gradlew TASK_NAME -Dorg.gradle.java.home="C:\Program Files\Android\Android Studio\jre" . This is useful for CI or if several people work on the same project.

[almozavr]

From 2.15 onward (using auto-common 0.10), Dagger will also respect -source 8 -target 8, i.e. Gradle's sourceCompatibility and targetCompatibility.

Unfortunately, it doesn't work for android projects. Any tip how we can compile android, jdk9+ and dagger?

[pengrad]

Unfortunately, it doesn't work for android projects. Any tip how we can compile android, jdk9+ and dagger?

Manually create Generated interface in your project. There could be package exists in another module: java.compiler error if adding in android app module, but creating in android-library module (and then adding it to main via implementation project(':module-generated')) works fine.

I've uploaded package with such class to JCenter https://github.com/pengrad/jdk9-deps
Now it's possible to just add this gradle dependency and it compiles with JDK11:
compileOnly 'com.github.pengrad:jdk9-deps:1.0'

[ronshapiro]

Let's converge on #1449 which seems to be the same, and advanced pretty quickly. In particular it seems like there's a kapt bug that will be linked there.

[pvthiendeveloper]

Unfortunately, it doesn't work for android projects. Any tip how we can compile android, jdk9+ and dagger?

Manually create Generated interface in your project. There could be package exists in another module: java.compiler error if adding in android app module, but creating in android-library module (and then adding it to main via implementation project(':module-generated')) works fine.

I've uploaded package with such class to JCenter https://github.com/pengrad/jdk9-deps
Now it's possible to just add this gradle dependency and it compiles with JDK11:
compileOnly 'com.github.pengrad:jdk9-deps:1.0'

It work for me. Thank you so much!

[ericntd]

Thanks a lot @pengrad , I think I'm very close.
Having the same issue with Intellij 2020.* and Android Studio 4.2 Preview and Dagger 2.22

My team doesn't approve the external dependency of com.github.pengrad:jdk9-deps:1.0 so I went ahead and create a "Android Library" project called "javax-generated" with 1 single class like the one in your repo:

package javax.annotation.processing;
public @interface Generated {
    String[] value();

    String date() default "";

    String comments() default "";
}

It's all well and good in my library modules, however, it's not working for my :app module:

1. implementation(project(':javax-generated')) gives

e: /Users/ericn/AndroidStudioProjects/Folder/Project/app/build/generated/not_namespaced_r_class_sources/debug/processDebugResources/r/javax/annotation/processing/R.java:7: error: package exists in another module: java.compiler
package javax.annotation.processing;

1. compileOnly(project(':javax-generated')) gives

Android dependency 'project :javax-generated' is set to compileOnly/provided which is not supported

Any idea what I'm missing?

[MichalDanielDobrzanski]

@ericntd I am facing the same problems on Android Studio 4.2 Preview and Dagger 2.22.

I was not able to use this com.github.pengrad:jdk9-deps:1.0 external dependency inside my project - gradle complained that javax annotation is still missing.

I was trying with: compileOnly("javax.annotation:jsr250-api:1.0") dependency, which provide official JSR250 annotations, but with no luck.

[ericntd]

The issue seems to have gone away with Android Studio 4.2 Canary 14 @MichalDanielDobrzanski

[tobenna-paystack]

The issue seems to have gone away with Android Studio 4.2 Canary 14 @MichalDanielDobrzanski

Having same issue with Canary 14