在混淆我的工程代码中，出现了“multi-dex\release\componentClasses.jar] must be specified after an input jar, or it will be empty.”错误提示。下面是我的proguard-rules.pro文件。

# Add project specific ProGuard rules here. # By default, the flags in this file are appended to flags specified # in D:\ProgramFiles\AndroidSDK/tools/proguard/proguard-android.txt # You can edit the include path and order by changing the proguardFiles # directive in build.gradle. # # For more details, see # http://developer.android.com/guide/developing/tools/proguard.html # Add any project specific keep options here: # If your project uses WebView with JS, uncomment the following # and specify the fully qualified class name to the JavaScript interface # class: #-keepclassmembers class fqcn.of.javascript.interface.for.webview { # public *; #} -optimizationpasses 5 -dontusemixedcaseclassnames -dontskipnonpubliclibraryclasses -dontskipnonpubliclibraryclassmembers -dontskipnonpubliclibraryclasses -dontpreverify -verbose -optimizations !code/simplification/arithmetic,!field/*,!class/merging/* -dontwarn android.support.v4.** -keep class android.support.v4.app.** { *; } -keep interface android.support.v4.app.** { *; } -keep class com.actionbarsherlock.** { *; } -keep interface com.actionbarsherlock.** { *; } -keepattributes *Annotation* -keep public class * extends android.app.Activity -keep public class * extends android.support.v4.app.Fragment -keep public class * extends android.support.v4.app.FragmentActivity -keep public class * extends android.app.Application -keep public class * extends android.app.Service -keep public class * extends android.content.BroadcastReceiver -keep public class * extends android.content.ContentProvider -keep public class * extends android.app.backup.BackupAgentHelper -keep public class * extends android.preference.Preference -keep public class * extends blockcheng.BssicAct -keep public class * extends blockcheng.controller.BCFragment -keep public class com.android.vending.licensing.ILicensingService #android-support-v4 -libraryjars libs/android-support-v4.jar -dontwarn android.support.v4.** -keep class android.support.v4.**{*;} #百度 -keep class com.baidu.** {*;} -keep class vi.com.** {*;} -dontwarn com.baidu.** #融云 -keepclassmembers class fqcn.of.javascript.interface.for.webview { public *; } -keepattributes Exceptions,InnerClasses -keep class io.rong.** {*;} -keep class * implements io.rong.imlib.model.MessageContent{*;} -keepattributes Signature -keepattributes *Annotation* -keep class sun.misc.Unsafe { *; } -keep class com.google.gson.examples.android.model.** { *; } -keepclassmembers class * extends com.sea_monster.dao.AbstractDao { public static java.lang.String TABLENAME; } -keep class **$Properties -dontwarn org.eclipse.jdt.annotation.** -keep class com.ultrapower.** {*;} #如果引用了v4或者v7包 -dontwarn android.support.** -keep public class * implements java.io.Serializable { public *; } -keepclassmembers class * implements java.io.Serializable { static final long serialVersionUID; private static final java.io.ObjectStreamField[] serialPersistentFields; private void writeObject(java.io.ObjectOutputStream); private void readObject(java.io.ObjectInputStream); java.lang.Object writeReplace(); java.lang.Object readResolve(); } #fastjson-1.2.5.jar -libraryjars libs/fastjson-1.2.5.jar -dontwarn com.alibaba.fastjson.** -keep class com.alibaba.fastjson.**{*;} #systembartint-1.0.4.jar -libraryjars libs/systembartint-1.0.4.jar -keep class com.readystatesoftware.systembartint.** {*;} -dontwarn com.readystatesoftware.systembartint.** #Vitamio -keep class io.vov.utils.** { *; } -keep class io.vov.vitamio.** { *; } #pulltorefresh -dontwarn com.handmark.pulltorefresh.library.** -keep class com.handmark.pulltorefresh.library.** { *;} -dontwarn com.handmark.pulltorefresh.library.extras.** -keep class com.handmark.pulltorefresh.library.extras.** { *;} -dontwarn com.handmark.pulltorefresh.library.internal.** -keep class com.handmark.pulltorefresh.library.internal.** { *;} #devsmartAndroid -keep class com.** {*;} -dontwarn com.** #gson -libraryjars libs/gson-2.2.4.jar -keepattributes Signature # Gson specific classes -keep class sun.misc.Unsafe { *; } # Application classes that will be serialized/deserialized over Gson -keep class com.google.gson.examples.android.model.** { *; } #避免混淆泛型 如果混淆报错建议关掉 #–keepattributes Signature #不混淆资源类 -keepclassmembers class **.R$* { public static ; } #okhttputils -dontwarn com.zhy.http.** -keep class com.zhy.http.**{*;} -keep interface com.zhy.http.**{*;} #okhttp -dontwarn okhttp3.** -keep class okhttp3.**{*;} -keep interface okhttp3.**{*;} #okio -dontwarn okio.** -keep class okio.**{*;} -keep interface okio.**{*;} #universal-image-loader -libraryjars libs/universal-image-loader-1.9.4-with-sources.jar -dontwarn com.nostra13.universalimageloader.** -keep class com.nostra13.universalimageloader.**{*;}

用到的jar包我貌似都放进去了，请问是怎么回事？