android - Unable to instantiate application: java.lang.ClassNotFoundException: -

the issue occurs if:

• i run app android studio , app runs properly

  then delete app , tried install debug.apk .../app/build/outputs/apk/debug.apk

my os ubuntu 16.04, oracle jdk

but on windows 7 works properly(apk can installed .../app/build/outputs/apk/debug.apk , runs properly)

this error occurs:

fatal exception: main process: com.example, pid: 21084 java.lang.runtimeexception: unable instantiate application com.example.myapp: java.lang.classnotfoundexception: didn't find class "com.example.myapp" on path: dexpathlist[[zip file "/data/app/com.example-1/base.apk"],nativelibrarydirectories=[/data/app/com.example-1/lib/arm, /vendor/lib, /system/lib]] @ android.app.loadedapk.makeapplication(loadedapk.java:676) @ android.app.activitythread.handlebindapplication(activitythread.java:6289) @ android.app.activitythread.access$1800(activitythread.java:221) @ android.app.activitythread$h.handlemessage(activitythread.java:1860) @ android.os.handler.dispatchmessage(handler.java:102) @ android.os.looper.loop(looper.java:158) @ android.app.activitythread.main(activitythread.java:7224) @ java.lang.reflect.method.invoke(native method) @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1230) @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1120) caused by: java.lang.classnotfoundexception: didn't find class "com.example.myapp" on path: dexpathlist[[zip file "/data/app/com.example-1/base.apk"],nativelibrarydirectories=[/data/app/com.example-1/lib/arm, /vendor/lib, /system/lib]] @ dalvik.system.basedexclassloader.findclass(basedexclassloader.java:56) @ java.lang.classloader.loadclass(classloader.java:511) @ java.lang.classloader.loadclass(classloader.java:469) @ android.app.instrumentation.newapplication(instrumentation.java:1004) @ android.app.loadedapk.makeapplication(loadedapk.java:666) @ android.app.activitythread.handlebindapplication(activitythread.java:6289)  @ android.app.activitythread.access$1800(activitythread.java:221)  @ android.app.activitythread$h.handlemessage(activitythread.java:1860)  @ android.os.handler.dispatchmessage(handler.java:102)  @ android.os.looper.loop(looper.java:158)  @ android.app.activitythread.main(activitythread.java:7224)  @ java.lang.reflect.method.invoke(native method)  @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1230)  @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1120)  suppressed: java.lang.classnotfoundexception: com.example.myapp @ java.lang.class.classforname(native method) @ java.lang.bootclassloader.findclass(classloader.java:781) @ java.lang.bootclassloader.loadclass(classloader.java:841) @ java.lang.classloader.loadclass(classloader.java:504)         ... 12 more caused by: java.lang.noclassdeffounderror: class not found using boot class loader; no stack trace available 

my gradle:

    apply plugin: 'com.android.application' apply plugin: 'me.tatarka.retrolambda' apply plugin: 'io.fabric' apply plugin: 'android-apt'  android {     compilesdkversion 25     buildtoolsversion "25.0.2"  defaultconfig {     applicationid "com.example"     minsdkversion 19     targetsdkversion 25     versioncode 1     versionname "1.0"      multidexenabled true     testinstrumentationrunner "android.support.test.runner.androidjunitrunner"     jackoptions {         enabled false     } }  compileoptions {     sourcecompatibility javaversion.version_1_8     targetcompatibility javaversion.version_1_8 }  dexoptions {     javamaxheapsize "8g"     jumbomode = true     predexlibraries = false }  signingconfigs {     //release     release {         storefile file("/keys/apk_key.jks")         storepassword "apk_key"         keyalias "apk_key"         keypassword "apk_key"     } }  buildtypes {     release {         minifyenabled false         proguardfiles getdefaultproguardfile('proguard-android.txt'), 'proguard-rules.pro'         signingconfig signingconfigs.release         debuggable false     }     debug {         signingconfig signingconfigs.release         debuggable true     } }  dexoptions {     javamaxheapsize "3g" }  packagingoptions {     exclude 'license.txt'     exclude 'mockito-extensions/org.mockito.plugins.mockmaker'     exclude 'meta-inf/dependencies.txt'     exclude 'meta-inf/license.txt'     exclude 'meta-inf/notice.txt'     exclude 'meta-inf/notice'     exclude 'meta-inf/license'     exclude 'meta-inf/dependencies'     exclude 'meta-inf/notice.txt'     exclude 'meta-inf/license.txt'     exclude 'meta-inf/dependencies.txt' } 

}

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

also tried to:

• invalidate cache/restart

• clean project

• rebuild project

thank @dileep patel faced same issue. app worked if it's installed android studio , crashed if it's installed adb command. invalidate caches/restart , disabling instant run(android studio->preferences->instant run, uncheck "enable instance run") worked in case.