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Android studio Problem when starting the project, what should I do?
I've been looking for a solution for a very long time, I don't know what's the matter.
When starting any project in android studio, it gives the following error:
"Error:Execution failed for task ':app:compileDebugJavaWithJavac'.
> Unexpected lock protocol found in lock file. Expected 3, found 0."
Googled, deleted the folder "gradle."
Changed android versions and build version to 22,23,24
Reinstalled android studio
Changed the environment variable (But everything turned out to be ok with it)
Reinstalled JDK, SDK
I don’t know what to do, I’m already despairing, who can - help.
Massage Gradle Build:
Information:Gradle tasks [:app:clean, :app:generateDebugSources, :app:generateDebugAndroidTestSources, :app:mockableAndroidJar, :app:prepareDebugUnitTestDependencies, :app:assembleDebug]
:app:clean
:app:preBuild UP-TO-DATE
:app:preDebugBuild UP-TO-DATE
:app:checkDebugManifest
:app:preReleaseBuild UP-TO-DATE
:app:prepareComAndroidSupportAnimatedVectorDrawable2411Library
:app:prepareComAndroidSupportAppcompatV72411Library
:app:prepareComAndroidSupportSupportV42411Library
:app:prepareComAndroidSupportSupportVectorDrawable2411Library
:app:prepareDebugDependencies
:app:compileDebugAidl
:app:compileDebugRenderscript
:app:generateDebugBuildConfig
:app:mergeDebugShaders
:app:compileDebugShaders
:app:generateDebugAssets
:app:mergeDebugAssets
:app:generateDebugResValues UP-TO-DATE
:app:generateDebugResources
:app:mergeDebugResources
Exception in thread "png-cruncher_28" java.lang.RuntimeException: Timed out while waiting for slave aapt process, make sure the aapt execute at D:\AndroidSDK\build-tools\24.0.1\aapt.exe can run successfully (some anti-virus may block it) or try setting environment variable SLAVE_AAPT_TIMEOUT to a value bigger than 5 seconds
at com.android.builder.png.AaptProcess.waitForReady(AaptProcess.java:108)
at com.android.builder.png.QueuedCruncher$1.creation(QueuedCruncher.java:110)
at com.android.builder.tasks.WorkQueue.run(WorkQueue.java:203)
at java.lang.Thread.run(Thread.java:745)
Exception in thread "png-cruncher_23" java.lang.RuntimeException: Timed out while waiting for slave aapt process, make sure the aapt execute at D:\AndroidSDK\build-tools\24.0.1\aapt.exe can run successfully (some anti-virus may block it) or try setting environment variable SLAVE_AAPT_TIMEOUT to a value bigger than 5 seconds
at com.android.builder.png.AaptProcess.waitForReady(AaptProcess.java:108)
at com.android.builder.png.QueuedCruncher$1.creation(QueuedCruncher.java:110)
at com.android.builder.tasks.WorkQueue.run(WorkQueue.java:203)
at java.lang.Thread.run(Thread.java:745)
Exception in thread "png-cruncher_25" java.lang.RuntimeException: Timed out while waiting for slave aapt process, make sure the aapt execute at D:\AndroidSDK\build-tools\24.0.1\aapt.exe can run successfully (some anti-virus may block it) or try setting environment variable SLAVE_AAPT_TIMEOUT to a value bigger than 5 seconds
at com.android.builder.png.AaptProcess.waitForReady(AaptProcess.java:108)
at com.android.builder.png.QueuedCruncher$1.creation(QueuedCruncher.java:110)
at com.android.builder.tasks.WorkQueue.run(WorkQueue.java:203)
at java.lang.Thread.run(Thread.java:745)
Exception in thread "png-cruncher_30" java.lang.RuntimeException: Timed out while waiting for slave aapt process, make sure the aapt execute at D:\AndroidSDK\build-tools\24.0.1\aapt.exe can run successfully (some anti-virus may block it) or try setting environment variable SLAVE_AAPT_TIMEOUT to a value bigger than 5 seconds
at com.android.builder.png.AaptProcess.waitForReady(AaptProcess.java:108)
at com.android.builder.png.QueuedCruncher$1.creation(QueuedCruncher.java:110)
at com.android.builder.tasks.WorkQueue.run(WorkQueue.java:203)
at java.lang.Thread.run(Thread.java:745)
Exception in thread "png-cruncher_21" java.lang.RuntimeException: Timed out while waiting for slave aapt process, make sure the aapt execute at D:\AndroidSDK\build-tools\24.0.1\aapt.exe can run successfully (some anti-virus may block it) or try setting environment variable SLAVE_AAPT_TIMEOUT to a value bigger than 5 seconds
at com.android.builder.png.AaptProcess.waitForReady(AaptProcess.java:108)
at com.android.builder.png.QueuedCruncher$1.creation(QueuedCruncher.java:110)
at com.android.builder.tasks.WorkQueue.run(WorkQueue.java:203)
at java.lang.Thread.run(Thread.java:745)
Exception in thread "png-cruncher_22" java.lang.RuntimeException: Timed out while waiting for slave aapt process, make sure the aapt execute at D:\AndroidSDK\build-tools\24.0.1\aapt.exe can run successfully (some anti-virus may block it) or try setting environment variable SLAVE_AAPT_TIMEOUT to a value bigger than 5 seconds
at com.android.builder.png.AaptProcess.waitForReady(AaptProcess.java:108)
at com.android.builder.png.QueuedCruncher$1.creation(QueuedCruncher.java:110)
at com.android.builder.tasks.WorkQueue.run(WorkQueue.java:203)
at java.lang.Thread.run(Thread.java:745)
Exception in thread "png-cruncher_24" java.lang.RuntimeException: Timed out while waiting for slave aapt process, make sure the aapt execute at D:\AndroidSDK\build-tools\24.0.1\aapt.exe can run successfully (some anti-virus may block it) or try setting environment variable SLAVE_AAPT_TIMEOUT to a value bigger than 5 seconds
at com.android.builder.png.AaptProcess.waitForReady(AaptProcess.java:108)
at com.android.builder.png.QueuedCruncher$1.creation(QueuedCruncher.java:110)
at com.android.builder.tasks.WorkQueue.run(WorkQueue.java:203)
at java.lang.Thread.run(Thread.java:745)
:app:processDebugManifest
:app:processDebugResources
:app:generateDebugSources
:app:preDebugAndroidTestBuild UP-TO-DATE
:app:prepareDebugAndroidTestDependencies
:app:compileDebugAndroidTestAidl
:app:processDebugAndroidTestManifest
:app:compileDebugAndroidTestRenderscript
:app:generateDebugAndroidTestBuildConfig
:app:mergeDebugAndroidTestShaders
:app:compileDebugAndroidTestShaders
:app:generateDebugAndroidTestAssets
:app:mergeDebugAndroidTestAssets
:app:generateDebugAndroidTestResValues UP-TO-DATE
:app:generateDebugAndroidTestResources
:app:mergeDebugAndroidTestResources
:app:processDebugAndroidTestResources
:app:generateDebugAndroidTestSources
:app:mockableAndroidJar UP-TO-DATE
:app:preDebugUnitTestBuild UP-TO-DATE
:app:prepareDebugUnitTestDependencies
:app:incrementalDebugJavaCompilationSafeguard
:app:compileDebugJavaWithJavac
:app:compileDebugJavaWithJavac - is not incremental (e.g. outputs have changed, no previous execution, etc.).
:app:compileDebugJavaWithJavac FAILED
Error:Execution failed for task ':app:compileDebugJavaWithJavac'.
> Unexpected lock protocol found in lock file. Expected 3, found 0.
Information:BUILD FAILED
Information:Total time: 1 mins 58.653 secs
Information:1 error
Information:0 warnings
Information:See complete output in console
apply plugin: 'com.android.application'
android {
compileSdkVersion 24
buildToolsVersion "24.0.1"
defaultConfig {
applicationId "com.example.myapplication"
minSdkVersion 15
targetSdkVersion 24
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:24.1.1'
}
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