title: Proguard returned with error code 1. See console Android
body: <p>This question already have been asked many times but I am not able to resolve it. I am trying to export my app using eclipse for final release BUT I am getting the below error. I added all entries which others have suggested in other links but no help. Please help me how to get rid of this error.</p>
  
  <pre><code> Proguard returned with error code 1. See console
  [2014-08-24 11:21:11 - ] Note: there were 1035 duplicate class definitions.
  [2014-08-24 11:21:11 - ] Warning:com.google.api.client.extensions.jdo.JdoDataStoreFactory$JdoValue: can't find superclass or interface javax.jdo.spi.PersistenceCapable
  
  [2014-08-24 11:21:11 - ] Warning: com.google.api.client.extensions.jdo.JdoDataStoreFactory$JdoDataStore: can't find referenced class javax.jdo.PersistenceManagerFactory
  [2014-08-24 11:21:11 - 
  [2014-08-24 11:21:11 - ] Warning: com.google.api.client.googleapis.extensions.android.gms.auth.GoogleAccountCredential: can't find referenced class com.google.android.gms.common.AccountPicker
  [2014-08-24 11:21:11 - ] Warning: com.google.api.client.googleapis.extensions.android.gms.auth.GoogleAccountCredential: can't find referenced class com.google.android.gms.auth.GoogleAuthUtil
  
   You should check if you need to specify additional program jars.
     Warning: there were 127 unresolved references to classes or interfaces.
   You may need to specify additional library jars (using '-libraryjars').
    Error: Please correct the above warnings first.
  </code></pre>
  
  <p>There was long error so I pasted relevant one. Below is my proguard-project.txt file entries.</p>
  
  <pre><code>-keep class android.support.v4.** { *; }   
  -dontwarn android.support.v4.**
  -dontwarn javax.activation.**
  -dontwarn javax.security.**
  -dontwarn java.awt.**
  -libraryjars &lt;java.home&gt;/lib/rt.jar
  -keep class javax.** {*;}
  -keep class com.sun.** {*;}
  -keep class myjava.** {*;}
  -keep class org.apache.harmony.** {*;}
  -keep public class Mail {*;}        
  -dontshrink
  -dontwarn org.mockito.**
  -dontwarn sun.reflect.**
  -dontwarn android.test.**
  -keep class javax.ws.rs.** { *; }
  -dontwarn com.fasterxml.jackson.**
  -dontwarn org.xmlpull.v1.**
  </code></pre>