I have been getting this strange error the whole of today - anyone know what is going wrong here?
As far as I know, I have been using the multidex library correctly (the below is from the app.gradle file):
defaultConfig {
applicationId "com.example.simon"
minSdkVersion 14
targetSdkVersion 23
versionCode 1
versionName "1.0"
/*Enabling multidex*/
multiDexEnabled true
}
dependencies {
/* Enabling multidex*/
compile 'com.android.support:multidex:1.0.1'
}
My top level gradle file is very basic:
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:1.3.0'
classpath 'com.google.gms:google-services:1.3.1'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
jcenter()
}
}
Error:
Executing tasks: [:app:generateDebugSources,
:app:generateDebugAndroidTestSources]
Parallel execution with configuration on demand is an incubating
feature.
:app:preBuild UP-TO-DATE
:app:preDebugBuild UP-TO-DATE
:app:checkDebugManifest
:app:preReleaseBuild UP-TO-DATE
:app:prepareComAndroidSupportAppcompatV72301Library UP-TO-DATE
:app:prepareComAndroidSupportCardviewV72301Library UP-TO-DATE
:app:prepareComAndroidSupportDesign2301Library UP-TO-DATE
:app:prepareComAndroidSupportMultidex101Library UP-TO-DATE
:app:prepareComAndroidSupportPaletteV72301Library UP-TO-DATE
:app:prepareComAndroidSupportRecyclerviewV72301Library UP-TO-DATE
:app:prepareComAndroidSupportSupportV42301Library UP-TO-DATE
:app:prepareComDigitsSdkAndroidDigits162Library UP-TO-DATE
:app:prepareComFacebookAndroidFacebookAndroidSdk440Library UP-TO-DATE
:app:prepareComFacebookConcealConceal101Library UP-TO-DATE
:app:prepareComGithubCurioustechizenAndroidAgoLibrary130Library UP-TO-DATE
:app:prepareComGoogleAndroidGmsPlayServicesAppinvite780Library UP-TO-DATE
:app:prepareComGoogleAndroidGmsPlayServicesBase780Library UP-TO-DATE
:app:prepareComGoogleAndroidGmsPlayServicesGcm780Library UP-TO-DATE
:app:prepareComGoogleAndroidGmsPlayServicesLocation780Library UP-TO-DATE
:app:prepareComGoogleAndroidGmsPlayServicesMaps780Library UP-TO-DATE
:app:prepareComTheartofdevEdmodoAndroidImageCropper104Library UP-TO-DATE
:app:prepareComTwitterSdkAndroidTweetComposer080Library UP-TO-DATE
:app:prepareComTwitterSdkAndroidTweetUi131Library UP-TO-DATE
:app:prepareComTwitterSdkAndroidTwitter161Library UP-TO-DATE
:app:prepareComTwitterSdkAndroidTwitterCore141Library UP-TO-DATE
:app:prepareIoFabricSdkAndroidFabric134Library 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:processDebugGoogleServices
:app:generateDebugResources
:app:mergeDebugResources UP-TO-DATE
:app:processDebugManifest UP-TO-DATE
:app:fabricGenerateResourcesDebug
:app:processDebugResources
:app:generateDebugSources
:app:preDebugAndroidTestBuild UP-TO-DATE
:app:prepareDebugAndroidTestDependencies
:app:compileDebugAndroidTestAidl UP-TO-DATE
:app:processDebugAndroidTestManifest UP-TO-DATE
:app:compileDebugAndroidTestRenderscript UP-TO-DATE
:app:generateDebugAndroidTestBuildConfig UP-TO-DATE
:app:generateDebugAndroidTestAssets UP-TO-DATE
:app:mergeDebugAndroidTestAssets UP-TO-DATE
:app:generateDebugAndroidTestResValues UP-TO-DATE
:app:generateDebugAndroidTestResources UP-TO-DATE
:app:mergeDebugAndroidTestResources UP-TO-DATE
:app:processDebugAndroidTestResources UP-TO-DATE
:app:generateDebugAndroidTestSources UP-TO-DATE
BUILD SUCCESSFUL
Total time: 3.913 secs Executing tasks: [:app:assembleDebug]
Parallel execution with configuration on demand is an incubating
feature.
:app:preBuild UP-TO-DATE
:app:preDebugBuild UP-TO-DATE
:app:checkDebugManifest
:app:preReleaseBuild UP-TO-DATE
:app:prepareComAndroidSupportAppcompatV72301Library UP-TO-DATE
:app:prepareComAndroidSupportCardviewV72301Library UP-TO-DATE
:app:prepareComAndroidSupportDesign2301Library UP-TO-DATE
:app:prepareComAndroidSupportMultidex101Library UP-TO-DATE
:app:prepareComAndroidSupportPaletteV72301Library UP-TO-DATE
:app:prepareComAndroidSupportRecyclerviewV72301Library UP-TO-DATE
:app:prepareComAndroidSupportSupportV42301Library UP-TO-DATE
:app:prepareComDigitsSdkAndroidDigits162Library UP-TO-DATE
:app:prepareComFacebookAndroidFacebookAndroidSdk440Library UP-TO-DATE
:app:prepareComGithubCurioustechizenAndroidAgoLibrary130Library UP-TO-DATE
:app:prepareComGoogleAndroidGmsPlayServicesAppinvite780Library UP-TO-DATE
:app:prepareComGoogleAndroidGmsPlayServicesBase780Library UP-TO-DATE
:app:prepareComGoogleAndroidGmsPlayServicesGcm780Library UP-TO-DATE
:app:prepareComGoogleAndroidGmsPlayServicesLocation780Library UP-TO-DATE
:app:prepareComGoogleAndroidGmsPlayServicesMaps780Library UP-TO-DATE
:app:prepareComTheartofdevEdmodoAndroidImageCropper104Library
: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:processDebugGoogleServices
:app:generateDebugResources
:app:mergeDebugResources UP-TO-DATE
:app:processDebugManifest UP-TO-DATE
:app:fabricGenerateResourcesDebug
:app:processDebugResources
:app:generateDebugSources
:app:processDebugJavaRes UP-TO-DATE
:app:compileDebugJavaWithJavac UP-TO-DATE
:app:compileDebugNdk UP-TO-DATE
:app:compileDebugSources UP-TO-DATE
:app:collectDebugMultiDexComponents UP-TO-DATE
:app:packageAllDebugClassesForMultiDex UP-TO-DATE
:app:shrinkDebugMultiDexComponents UP-TO-DATE
:app:createDebugMainDexClassList UP-TO-DATE
:app:dexDebugExecuting
tasks: [:app:assembleDebug]
Parallel execution with configuration on demand is an incubating
feature.
:app:preBuild UP-TO-DATE
:app:preDebugBuild UP-TO-DATE
:app:checkDebugManifest
:app:preReleaseBuild UP-TO-DATE
:app:prepareComAndroidSupportAppcompatV72301Library UP-TO-DATE
:app:prepareComAndroidSupportCardviewV72301Library UP-TO-DATE
:app:prepareComAndroidSupportDesign2301Library UP-TO-DATE
:app:prepareComAndroidSupportMultidex101Library UP-TO-DATE
:app:prepareComAndroidSupportPaletteV72301Library UP-TO-DATE
:app:prepareComAndroidSupportRecyclerviewV72301Library UP-TO-DATE
:app:prepareComAndroidSupportSupportV42301Library UP-TO-DATE
:app:prepareComDigitsSdkAndroidDigits162Library 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:processDebugGoogleServices
:app:generateDebugResources
:app:mergeDebugResources UP-TO-DATE
:app:processDebugManifest UP-TO-DATE
:app:fabricGenerateResourcesDebug
:app:processDebugResources
:app:generateDebugSources
:app:processDebugJavaRes UP-TO-DATE
:app:compileDebugJavaWithJavac UP-TO-DATE
:app:compileDebugNdk UP-TO-DATE
:app:compileDebugSources UP-TO-DATE
:app:collectDebugMultiDexComponents UP-TO-DATE
:app:packageAllDebugClassesForMultiDex UP-TO-DATE
:app:shrinkDebugMultiDexComponents UP-TO-DATE
:app:createDebugMainDexClassList UP-TO-DATE
:app:dexDebug AGPBI:
{"kind":"simple","text":"UNEXPECTED TOP-LEVEL
EXCEPTION:","sources":[{}]} AGPBI:
{"kind":"simple","text":"java.lang.RuntimeException: Unexpected
exception in dex writer thread","sources":[{}]} AGPBI:
{"kind":"simple","text":"\tat
com.android.dx.command.dexer.Main.runMultiDex(Main.java:397)","sources":[{}]}
AGPBI: {"kind":"simple","text":"\tat
com.android.dx.command.dexer.Main.run(Main.java:275)","sources":[{}]}
AGPBI: {"kind":"simple","text":"\tat
com.android.dx.command.dexer.Main.main(Main.java:245)","sources":[{}]}
AGPBI: {"kind":"simple","text":"\tat
com.android.dx.command.Main.main(Main.java:106)","sources":[{}]}
FAILED
FAILURE: Build failed with an exception.
* What went wrong: Execution failed for task ':app:dexDebug'.
com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command
'C:\Program Files\Java\jdk1.7.0_76\bin\java.exe'' finished with
non-zero exit value 2
* Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
BUILD FAILED
Total time: 1 mins 5.426 secs
Simon
After googling for a while, I found the problem was that not enough heap was allocated to the dex writer.
I fixed it by putting in the following in my app gradle.build:
android {
dexOptions {
incremental true
javaMaxHeapSize "4g"
}
}
This option also managed to speed up my gradle build significantly.
Adding this to my Project level gradle.properties helped -
org.gradle.jvmargs=-Xmx1536m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
change your manifist to this
defaultConfig
{
applicationId "com.example.simon"
minSdkVersion 14
targetSdkVersion 23
versionCode 1
versionName "1.0"
/*Enabling multidex*/
multiDexEnabled true
}
android {
dexOptions {
incremental true
javaMaxHeapSize "4g"
}
}
dependencies {
/* Enabling multidex*/
compile 'com.android.support:multidex:1.0.1'
}
and this problem shows when you add the :
/*Enabling multidex*/
multiDexEnabled true
most of the times. and for more information please tell me the exact thing you didnt undestand
来源：https://stackoverflow.com/questions/32553245/android-studios-runtimeexception-unexpected-exception-in-dex-writer-thread