Dagger 2，有时在编译时会出现“找不到符号类DaggerApplicationComponent”。 [英] Dagger 2, sometimes on compiling I get "cannot find symbol class DaggerApplicationComponent"

问题描述

最近更新Android Studio（2.0.7）之后（也许是原因），有时在构建时会出现该错误。

Recent after update Android Studio (2.0.7) (maybe this is the cause) sometimes when building i get that error.

想法是通常编译会顺利进行但有时我会出现匕首错误。

Idea is that usually compilation goes well but sometimes I get dagger error.

在Dagger配置中是否可能出现问题？

Is possible that is problem in Dagger configuration?

错误本身：


执行任务：[：app：assembleDebug]

Executing tasks: [:app:assembleDebug]

在需求是一个孵化功能。
增量Java编译是一个孵化功能。
：app：preBuild迄今为止
：app：preDebugBuild UP-TO-DATE
：app：checkDebugManifest
：app：preReleaseBuild UP-TO-DATE
：app：prepareComAndroidSupportAppcompatV72311Library UP-TO-DATE
：app：prepareComAndroidSupportDesign2311Library UP-TO-DATE
：app：prepareComAndroidSupportMultidex101Library UP-TO-DATE
：app：prepareComAndroidSupportRebrary-UP $ 723 b $ b：app：prepareComAndroidSupportSupportV42311Library UP-TO-DATE
：app：prepareComDaimajiaSwipelayoutLibrary120Library UP-TO-DATE
：app：prepareComF2prateekRxPreferencesRxPreferences101Library UP-TO-Date $ Apply-ParparePark DATE
：app：prepareComGithubAfollestadMaterialDialogsCore0842Library UP-TO-DATE
：app：prepareComGithubCastorflexSmoothprogressbarLibraryCircular120Library UP-TO-DATE
：app：parpareComJakewteriaUPLiDary：030至今
：app：prepa reComTrelloRxlifecycle040Library UP-TO-DATE
：app：prepareComTrelloRxlifecycleComponents040Library UP-TO-DATE
：app：prepareComWdullaerMaterialdatetimepicker211Library UP-TO-DATE
：app：prepareUP-Library app：prepareMeRelexCircleindicator116Library UP-TO-DATE
：app：prepareMeZhanghaiAndroidMaterialprogressbarLibrary114Library UP-TO-DATE
：app：prepareDebugDependencies
：app：compileDebugAappl UP-TO-DATE
：R UP-TO-DATE
：app：generateDebugBuildConfig UP-TO-DATE
：app：generateDebugAssets UP-TO-DATE
：app：mergeDebugAssets UP-TO-DATE
：app ：generateDebugResValues截止日期
：app：generateDebugResources截止日期
：app：mergeDebugResources截止日期
：app：processDebugManifest截止日期
：app：processDebugResources最新
：app：generateDebugSources最新
：app：compileDebugJavaWithJavac
/ home / ungvas / AndroidDev / Projects / FW / paynet-android / app / src / main / java / md / fusionworks / paynet / ui / activity / BaseActivity.java：23：错误：找不到符号
import md.fusionworks.paynet.di.component.DaggerActivityComponent;
^
符号：类DaggerActivityComponent
位置：包md.fusionworks.paynet.di.component
/ home / ungvas / AndroidDev / Projects / FW / paynet-android / app / src / main / java / md / fusionworks / paynet / PaynetApplication.java：7：错误：找不到符号
import md.fusionworks.paynet.di.component.DaggerApplicationComponent;
^
符号：类DaggerApplicationComponent
位置：包md.fusionworks.paynet.di.component
2错误

Configuration on demand is an incubating feature. Incremental java compilation is an incubating feature. :app:preBuild UP-TO-DATE :app:preDebugBuild UP-TO-DATE :app:checkDebugManifest :app:preReleaseBuild UP-TO-DATE :app:prepareComAndroidSupportAppcompatV72311Library UP-TO-DATE :app:prepareComAndroidSupportDesign2311Library UP-TO-DATE :app:prepareComAndroidSupportMultidex101Library UP-TO-DATE :app:prepareComAndroidSupportRecyclerviewV72311Library UP-TO-DATE :app:prepareComAndroidSupportSupportV42311Library UP-TO-DATE :app:prepareComDaimajiaSwipelayoutLibrary120Library UP-TO-DATE :app:prepareComF2prateekRxPreferencesRxPreferences101Library UP-TO-DATE :app:prepareComGithubAakiraExpandableLayout141Library UP-TO-DATE :app:prepareComGithubAfollestadMaterialDialogsCore0842Library UP-TO-DATE :app:prepareComGithubCastorflexSmoothprogressbarLibraryCircular120Library UP-TO-DATE :app:prepareComJakewhartonRxbindingRxbinding030Library UP-TO-DATE :app:prepareComPnikosisMaterialishProgress17Library UP-TO-DATE :app:prepareComTrelloRxlifecycle040Library UP-TO-DATE :app:prepareComTrelloRxlifecycleComponents040Library UP-TO-DATE :app:prepareComWdullaerMaterialdatetimepicker211Library UP-TO-DATE :app:prepareIoReactivexRxandroid110Library UP-TO-DATE :app:prepareMeRelexCircleindicator116Library UP-TO-DATE :app:prepareMeZhanghaiAndroidMaterialprogressbarLibrary114Library UP-TO-DATE :app:prepareDebugDependencies :app:compileDebugAidl UP-TO-DATE :app:compileDebugRenderscript UP-TO-DATE :app:generateDebugBuildConfig UP-TO-DATE :app:generateDebugAssets UP-TO-DATE :app:mergeDebugAssets UP-TO-DATE :app:generateDebugResValues UP-TO-DATE :app:generateDebugResources UP-TO-DATE :app:mergeDebugResources UP-TO-DATE :app:processDebugManifest UP-TO-DATE :app:processDebugResources UP-TO-DATE :app:generateDebugSources UP-TO-DATE :app:compileDebugJavaWithJavac /home/ungvas/AndroidDev/Projects/FW/paynet-android/app/src/main/java/md/fusionworks/paynet/ui/activity/BaseActivity.java:23: error: cannot find symbol import md.fusionworks.paynet.di.component.DaggerActivityComponent; ^ symbol: class DaggerActivityComponent location: package md.fusionworks.paynet.di.component /home/ungvas/AndroidDev/Projects/FW/paynet-android/app/src/main/java/md/fusionworks/paynet/PaynetApplication.java:7: error: cannot find symbol import md.fusionworks.paynet.di.component.DaggerApplicationComponent; ^ symbol: class DaggerApplicationComponent location: package md.fusionworks.paynet.di.component 2 errors

66个课程的增量编译在3.719秒内完成。
：app：compileDebugJavaWithJavac失败
：app：compileRetrolambdaDebug

Incremental compilation of 66 classes completed in 3.719 secs. :app:compileDebugJavaWithJavac FAILED :app:compileRetrolambdaDebug

失败：生成失败，出现异常。

FAILURE: Build failed with an exception.

• 出了什么问题：
  任务'：app：compileDebugJavaWithJavac'的执行失败。

• What went wrong: Execution failed for task ':app:compileDebugJavaWithJavac'.

编译失败；详细信息，请参见编译器错误输出。

Compilation failed; see the compiler error output for details.

尝试：
使用--stacktrace选项运行以获取堆栈跟踪。使用--info或--debug选项运行，以获取更多日志输出。

Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

构建失败

总时间：19.556秒


谢谢。

Total time: 19.556 secs
Thanks.

推荐答案

似乎与Gradle 2.10中添加的增量编译有关。

It's seems that it have something to do with incremental compilation added in Gradle 2.10

我设法通过添加以下命令来对其进行修复：

I managed to fix it adding the following command to gradle:

-Pandroid.incrementalJavaCompile=false

您可以在Android Studio中将其添加到：文件|设置|构建，执行，部署|编译器将其添加为命令行选项。

You can add it in Android Studio in: File | Settings | Build, Execution, Deployment | Compiler adding it as a Command line option.

edit 自 2.0起。 0-beta3 插件发出警告，告诉您此选项已添加到Gradle DSL：

edit as of 2.0.0-beta3 the plugin gives a warning telling you that this option has been added to the Gradle DSL:

android {
    compileOptions.incremental = false
}

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