java.lang.ClassNotFoundException: javax.naming.directory.InitialDirContext in Android

I am getting a ClassNotFoundException in an android app.

The entire stack trace is as follows

java.lang.NoClassDefFoundError: Failed resolution of: Ljavax/naming/directory/InitialDirContext;

at org.jivesoftware.smack.util.dns.javax.JavaxResolver.(JavaxResolver.java :50)

at java.lang.Class.classForName(Native Method)

at java.lang.Class.forName(Class.java:308)

at org.jivesoftware.smack.SmackInitialization.loadSmackClass(SmackInitialization.j ava:216)

at org.jivesoftware.smack.SmackInitialization.parseClassesToLoad(SmackInitializati on.java:196)

at org.jivesoftware.smack.SmackInitialization.processConfigFile(SmackInitializatio n.java:166)

at org.jivesoftware.smack.SmackInitialization.processConfigFile(SmackInitializatio n.java:151)

at org.jivesoftware.smack.SmackInitialization.(SmackInitialization.java:11 8)

at org.jivesoftware.smack.SmackConfiguration.getVersion(SmackConfiguration.java:96 )

at org.jivesoftware.smack.ConnectionConfiguration.(ConnectionConfiguration .java:41)

at sample.app.service.MessageService.onCreate(MessageService.java:60)

at android.app.ActivityThread.handleCreateService(ActivityThread.java:2731)

at android.app.ActivityThread.access$1800(ActivityThread.java:144)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1361)

at android.os.Handler.dispatchMessage(Handler.java:102)

at android.os.Looper.loop(Looper.java:135)

at android.app.ActivityThread.main(ActivityThread.java:5221)

at java.lang.reflect.Method.invoke(Native Method)

at java.lang.reflect.Method.invoke(Method.java:372)

at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)

Caused by: java.lang.ClassNotFoundException: Didn’t find class “javax.naming.directory.InitialDirContext” on path: DexPathList[[zip file “/data/app/sample.app-1/base.apk”],nativeLibraryDirectories=[/vendor/lib64, /system/lib64]]

at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)

at java.lang.ClassLoader.loadClass(ClassLoader.java:511)

at java.lang.ClassLoader.loadClass(ClassLoader.java:469)

at org.jivesoftware.smack.util.dns.javax.JavaxResolver.(JavaxResolver.java :50)

at java.lang.Class.classForName(Native Method)

at java.lang.Class.forName(Class.java:308)

at org.jivesoftware.smack.SmackInitialization.loadSmackClass(SmackInitialization.j ava:216)

at org.jivesoftware.smack.SmackInitialization.parseClassesToLoad(SmackInitializati on.java:196)

at org.jivesoftware.smack.SmackInitialization.processConfigFile(SmackInitializatio n.java:166)

at org.jivesoftware.smack.SmackInitialization.processConfigFile(SmackInitializatio n.java:151)

at org.jivesoftware.smack.SmackInitialization.(SmackInitialization.java:11 8)

at org.jivesoftware.smack.SmackConfiguration.getVersion(SmackConfiguration.java:96 )

at org.jivesoftware.smack.ConnectionConfiguration.(ConnectionConfiguration .java:41)

at sample.app.service.MessageService.onCreate(MessageService.java:60)

at android.app.ActivityThread.handleCreateService(ActivityThread.java:2731)

at android.app.ActivityThread.access$1800(ActivityThread.java:144)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1361)

at android.os.Handler.dispatchMessage(Handler.java:102)

at android.os.Looper.loop(Looper.java:135)

at android.app.ActivityThread.main(ActivityThread.java:5221)

at java.lang.reflect.Method.invoke(Native Method)

at java.lang.reflect.Method.invoke(Method.java:372)

at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)

Suppressed: java.lang.ClassNotFoundException: javax.naming.directory.InitialDirContext

at java.lang.Class.classForName(Native Method)

at java.lang.BootClassLoader.findClass(ClassLoader.java:781)

at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)

at java.lang.ClassLoader.loadClass(ClassLoader.java:504)

… 22 more

Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available

My gradle file has the following dependencies

dependencies {

compile “org.igniterealtime.smack:smack-android:4.1.0-beta1”

compile “org.igniterealtime.smack:smack-tcp:4.1.0-beta1”

}

Could someone help me with this?

You have smack-resolver-javax in your dependencies when you shouldn’t.

1 Like

Thanks Flow for pointing out the issue.

Surprisingly I am no longer getting this error. I dont know what happened !!!