Gradle + Retrolambda:致命错误:无法在类路径或引导类路径中找到包java.lang
我正在尝试在我的Android项目中集成gradle-retrolambda(遵循本指南),但是当我运行我的gradle构建时,我收到以下错误
:app:compileDebugJava
Fatal Error: Unable to find package java.lang in classpath or bootclasspath
堆栈跟踪:
org.gradle.api.tasks.TaskExecutionException: Task ':app:compileDebugJava' 的执行失败。at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:69) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46) at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35) at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64) at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58) at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:42) at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52) atorg.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53) ....原因:org.gradle.api.internal.tasks.compile.CompilationFailedException: Compilation failed;有关详细信息,请参阅编译器错误输出。at org.gradle.api.internal.tasks.compile.jdk6.Jdk6JavaCompiler.execute(Jdk6JavaCompiler.java:47) at org.gradle.api.internal.tasks.compile.jdk6.Jdk6JavaCompiler.execute(Jdk6JavaCompiler.java:38) at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.delegateAndHandleErrors(NormalizingJav ...
我觉得这很奇怪,它使用了虽然我为Java7兼容性配置的,请参阅下面的gradle构建文件。jdk6.Jdk6JavaCompiler
版本信息:
------------------------------------------------------------
Gradle 1.12
------------------------------------------------------------
Build time: 2014-04-29 09:24:31 UTC
Build number: none
Revision: a831fa866d46cbee94e61a09af15f9dd95987421
Groovy: 1.8.6
Ant: Apache Ant(TM) version 1.9.3 compiled on December 23 2013
Ivy: 2.2.0
JVM: 1.8.0_11 (Oracle Corporation 25.11-b03)
OS: Linux 3.13.0-32-generic amd64
Java 环境路径:
JAVA_HOME=/usr/lib/jvm/java-8-oracle
JAVA8_HOME=/usr/lib/jvm/java-8-oracle
JAVA7_HOME=/usr/lib/jvm/java-7-oracle
Gradle 构建文件:
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.12.+'
classpath 'me.tatarka:gradle-retrolambda:2.2.1'
}
}
repositories {
mavenCentral()
flatDir {
dirs 'prebuilt-libs'
}
}
apply plugin: 'com.android.application'
android {
compileSdkVersion "Google Inc.:Glass Development Kit Preview:19"
buildToolsVersion "20.0.0"
defaultConfig {
minSdkVersion 19
targetSdkVersion 20
versionCode 1
versionName "1.0"
testInstrumentationRunner "com.google.android.apps.common.testing.testrunner.GoogleInstrumentationTestRunner"
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
packagingOptions {
exclude 'LICENSE.txt'
exclude 'META-INF/services/javax.annotation.processing.Processor'
}
}
dependencies {
// gcm (old client library)
compile fileTree(dir: 'libs', include: ['*.jar'])
// auto factory (https://github.com/google/auto/tree/master/factory)
compile 'com.google.auto.factory:auto-factory:0.1-beta1'
// auto value (https://github.com/google/auto/tree/master/value)
compile 'com.google.auto.value:auto-value:1.0-rc1'
// dagger
compile 'com.squareup.dagger:dagger:1.2.0'
provided 'com.squareup.dagger:dagger-compiler:1.2.0'
// butterknife for view injection
compile 'com.jakewharton:butterknife:5.1.1'
// javax annotations (needed for auto generated files)
compile 'javax.annotation:jsr250-api:1.0'
// google guava
compile 'com.google.guava:guava:17.0'
// support library
compile 'com.android.support:support-v4:20+'
// google zxing barcode reader
compile 'com.google.zxing:core:2.3.0'
// progress bar - https://github.com/w9jds/GDK-ProgressBar
compile 'com.w9jds.gdk.progresswidget:library:1.0@aar'
// espresso - https://github.com/JakeWharton/double-espresso
androidTestCompile ('com.jakewharton.espresso:espresso:1.1-r3') {
exclude group: 'com.squareup.dagger'
exclude group: 'com.android.support'
}
}
apply plugin: 'retrolambda'
retrolambda {
jdk System.getenv("JAVA8_HOME")
oldJdk System.getenv("JAVA7_HOME")
javaVersion JavaVersion.VERSION_1_7
}
只是为了验证我的java8安装,我在intellij中创建了一个没有retrolambda的gradle项目,这很好。
任何想法,这里可能会出错以及如何解决它?