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bytehala / android-mqtt-quickstart

Android Studio port of the Eclipse paho MQTT sample project.
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Help #1

Closed sunfeng90 closed 4 years ago

sunfeng90 commented 8 years ago

I got this problem"Error:(org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence$2) that doesn't come with an Error:solution is to recompile the class from source, using an up-to-date compiler Error:associated EnclosingMethod attribute. This class was probably produced by a Error:indicate that it is not an inner class. Error:compiler that did not target the modern .class file format. The recommended Error:associated EnclosingMethod attribute. This class was probably produced by a Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:compiler that did not target the modern .class file format. The recommended Error:solution is to recompile the class from source, using an up-to-date compiler Error:this warning is that reflective operations on this class will incorrectly Error:this warning is that reflective operations on this class will incorrectly Error:and without specifying any "-target" type options. The consequence of ignoring Error:indicate that it is not an inner class. Error:and without specifying any "-target" type options. The consequence of ignoring Error:Error converting bytecode to dex: Cause: com.android.dex.DexException: Multiple dex files define Lorg/eclipse/paho/client/mqttv3/MqttCallback; Error:Execution failed for task ':app:transformClassesWithDexForDebug'.

com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.8.0_77\bin\java.exe'' finished with non-zero exit value 2 :app:transformClassesWithDexForDebug FAILED"

sunfeng90 commented 8 years ago

How to solve it？

bytehala commented 8 years ago

Hi, were you able to solve it yet? It might be because you're using Java 8, can you try using Java 7?

bytehala commented 4 years ago

Closing issue, as current version compiles on more current versions of Java/Gradle/AS.