How to get rid of warning messages when building: warning: Ignoring InnerClasses attribute for an anonymous inner class

How can I get rid of this, the project starts, but errors appear why?

Information:Gradle tasks [:topBook:clean, :topBook:generateDebugSources, :topBook:mockableAndroidJar, :topBook:prepareDebugUnitTestDependencies, :topBook:generateDebugAndroidTestSources, :topBook:assembleDebug] Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:(org.apache.commons.logging.LogFactory$2) that doesn't come with an Error:associated EnclosingMethod attribute. This class was probably produced by a 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:and without specifying any "-target" type options. The consequence of ignoring Error:this warning is that reflective operations on this class will incorrectly Error:indicate that it is *not* an inner class. Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:(org.apache.commons.logging.LogFactory$1) that doesn't come with an Error:associated EnclosingMethod attribute. This class was probably produced by a 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:and without specifying any "-target" type options. The consequence of ignoring Error:this warning is that reflective operations on this class will incorrectly Error:indicate that it is *not* an inner class. Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:(org.apache.commons.logging.LogFactory$3) that doesn't come with an Error:associated EnclosingMethod attribute. This class was probably produced by a 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:and without specifying any "-target" type options. The consequence of ignoring Error:this warning is that reflective operations on this class will incorrectly Error:indicate that it is *not* an inner class. Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:(org.apache.commons.logging.LogFactory$4) that doesn't come with an Error:associated EnclosingMethod attribute. This class was probably produced by a 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:and without specifying any "-target" type options. The consequence of ignoring Error:this warning is that reflective operations on this class will incorrectly Error:indicate that it is *not* an inner class. Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:(org.apache.commons.logging.LogFactory$5) that doesn't come with an Error:associated EnclosingMethod attribute. This class was probably produced by a 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:and without specifying any "-target" type options. The consequence of ignoring Error:this warning is that reflective operations on this class will incorrectly Error:indicate that it is *not* an inner class. Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:(org.apache.commons.logging.LogFactory$6) that doesn't come with an Error:associated EnclosingMethod attribute. This class was probably produced by a 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:and without specifying any "-target" type options. The consequence of ignoring Error:this warning is that reflective operations on this class will incorrectly Error:indicate that it is *not* an inner class. Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:(org.apache.commons.logging.impl.LogFactoryImpl$1) that doesn't come with an Error:associated EnclosingMethod attribute. This class was probably produced by a 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:and without specifying any "-target" type options. The consequence of ignoring Error:this warning is that reflective operations on this class will incorrectly Error:indicate that it is *not* an inner class. Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:(org.apache.commons.logging.impl.LogFactoryImpl$2) that doesn't come with an Error:associated EnclosingMethod attribute. This class was probably produced by a 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:and without specifying any "-target" type options. The consequence of ignoring Error:this warning is that reflective operations on this class will incorrectly Error:indicate that it is *not* an inner class. Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:(org.apache.commons.logging.impl.LogFactoryImpl$3) that doesn't come with an Error:associated EnclosingMethod attribute. This class was probably produced by a 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:and without specifying any "-target" type options. The consequence of ignoring Error:this warning is that reflective operations on this class will incorrectly Error:indicate that it is *not* an inner class. Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:(org.apache.commons.logging.impl.SimpleLog$1) that doesn't come with an Error:associated EnclosingMethod attribute. This class was probably produced by a 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:and without specifying any "-target" type options. The consequence of ignoring Error:this warning is that reflective operations on this class will incorrectly Error:indicate that it is *not* an inner class. Error:warning: Ignoring InnerClasses attribute for an anonymous inner class Error:(org.apache.commons.logging.impl.WeakHashtable$1) that doesn't come with an Error:associated EnclosingMethod attribute. This class was probably produced by a 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:and without specifying any "-target" type options. The consequence of ignoring Error:this warning is that reflective operations on this class will incorrectly Error:indicate that it is *not* an inner class. Information:BUILD SUCCESSFUL Information:Total time: 1 mins 11.107 secs Information:88 errors Information:0 warnings Information:See complete output in console 

Here is a build gradle

 apply plugin: 'com.android.application' android { compileSdkVersion 23 buildToolsVersion "23.0.2" defaultConfig { applicationId "com.jaloveast1k.topbook" minSdkVersion 11 targetSdkVersion 23 } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt' } } lintOptions { checkReleaseBuilds false // Or, if you prefer, you can continue to check for errors in release builds, // but continue the build even when errors are found: abortOnError false } } dependencies { compile project(':serenity') compile 'com.android.support:support-v4:23.1.1' compile 'com.google.code.gson:gson:2.4' compile 'com.android.support:appcompat-v7:23.1.1' compile files('libs/loopingviewpager-master.jar') } 

Build gradle serenity

 apply plugin: 'com.android.library' android { compileSdkVersion 17 buildToolsVersion "23.0.2" defaultConfig { minSdkVersion 8 targetSdkVersion 17 } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt' } } packagingOptions { exclude 'META-INF/LICENSE.txt' exclude 'META-INF/NOTICE.txt' } } dependencies { compile 'com.android.support:support-v4:18.0.0' compile files('libs/commons-codec-1.6.jar') compile files('libs/commons-logging-1.1.1.jar') compile files('libs/fluent-hc-4.3-beta1.jar') compile files('libs/httpclient-4.3-beta1.jar') compile files('libs/httpclient-cache-4.3-beta1.jar') compile files('libs/httpcore-4.3-beta1.jar') compile files('libs/httpmime-4.3-beta1.jar') } 

warrning

 Information:Gradle tasks [:serenity:generateDebugSources, :serenity:mockableAndroidJar, :serenity:prepareDebugUnitTestDependencies, :serenity:generateDebugAndroidTestSources, :topBook:generateDebugSources, :topBook:mockableAndroidJar, :topBook:prepareDebugUnitTestDependencies, :topBook:generateDebugAndroidTestSources] 

Warning: WARNING: Dependency commons-logging: commons-logging: 1.2. Warning: WARNING: Dependency commons-logging: commons-logging: 1.2. Warning: WARNING: Dependency commons-logging: commons-logging: 1.2 is ignored for Android. Warning: WARNING: Dependency commons-logging: commons-logging: 1.2. Warning: WARNING: Dependency commons-logging: commons-logging: 1.2. Information: BUILD SUCCESSFUL Information: Total time: 5.223 secs Information: 0 errors Information: 5 warnings Information: See complete output in console