Execution failed when trying to launch my application in Android Studio 1.5.1 (Error:Execution failed for task ':app:transformClassesWithDexForDebug'.)

Question:

I'm new to Android and I want to build an application based on DB connections but I get this error and I don't know how to solve it.

Error:Execution failed for task ':app:transformClassesWithDexForDebug'.
> com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.8.0_66\bin\java.exe'' finished with non-zero exit value 1

this is what i did with the build.gradle(Module: app)

apply plugin: 'com.android.application'

android {
    compileSdkVersion 23
    buildToolsVersion '23.0.2'



    defaultConfig {
        applicationId "com.example.stroler.vidapp"
        minSdkVersion 15
        targetSdkVersion 23
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')

    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:23.1.1'
    compile files('libs/apache-httpcomponents-httpclient.jar')
    compile files('libs/http-core-4.1.jar')
    compile files('libs/httpclient-4.5.1.jar')
    compile files('libs/json-20140107.jar')
    compile files('libs/jsr166.jar')
}

Answer:

El error: Error:Execution failed for task ‘:app:transformClassesWithDexForDebug’. :

 Error:Execution failed for task
 ':app:transformClassesWithDexForDebug'.
 > com.android.ide.common.process.ProcessException:

It can be avoided by adding inside your build.gradle the option:

 defaultConfig {
    ...
    ...
    ...
    multiDexEnabled true
}

Make the change in your build.gradle and sync your project with the build.gradle file.

Regarding the error:

org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.8.0_66\bin\java.exe'' finished with non-zero exit value 1

It happens regularly due to lack of memory, I'm just working on a PC that regularly had this problem, the temporary solution was to restart Android Studio to make it work correctly.

You could fix this problem by adding this option inside your build.gradle file:

dexOptions {
    ...
    ...
    javaMaxHeapSize "3g"
}

in my case I have configured a HeapSize of 3GB.

As another option you can increase your HeapSize from Android Studio :

https://stackoverflow.com/questions/18723755/android-studio-how-to-increase-allocated-heap-size (english)

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