在Android上测试Scala：“找不到scala.reflect.ScalaSignature.bytes”

我想在Scala中编写instrumentation test（完整代码是here）。在Android上测试Scala：“找不到scala.reflect.ScalaSignature.bytes”

任何想法可能导致java.lang.IncompatibleClassChangeError: Couldn't find scala.reflect.ScalaSignature.bytes运行时错误？

我想保持scala.reflect.ScalaSignature.bytes在build.sbt：

proguardOptions ++= 
    "-dontwarn android.test.**" :: 
    "-dontwarn org.scalatest.**" :: 
    "-dontwarn scala.xml.**" :: 
    "-dontwarn slick.jdbc.**" :: 
    "-dontwarn org.slf4j.**" :: 
    "-dontwarn org.junit.**" :: 
    "-dontobfuscate" :: 
    "-dontnote ** " :: 
    "-dontpreverify" :: 
    "-optimizations !code/simplification/arithmetic" :: 
    "-keep class android.support.test.** { *; }" :: 
    "-keep class scala.reflect.ScalaSignature.** {*;}" :: 
    "-keep class com.mypackage.** { *; }" :: 
    "-keep class * extends junit.framework.TestCase { *; }" :: 
    "-keepclasseswithmembers class * { @org.junit.** *; }" :: 
    "-keepclassmembers class * { ** bytes();}":: 
    "-keep class android.support.test.** { *; }" :: 
    "-keep class org.junit.** { *; }" :: 
    Nil

，但它似乎并没有帮助。

完整堆栈跟踪：

E (9562) TestExecutor: Fatal exception when running tests 
E (9562) TestExecutor: java.lang.IncompatibleClassChangeError: Couldn't find scala.reflect.ScalaSignature.bytes 
E (9562) TestExecutor:  at libcore.reflect.AnnotationAccess.toAnnotationInstance(AnnotationAccess.java:659) 
E (9562) TestExecutor:  at libcore.reflect.AnnotationAccess.annotationSetToAnnotations(AnnotationAccess.java:633) 
E (9562) TestExecutor:  at libcore.reflect.AnnotationAccess.getDeclaredAnnotations(AnnotationAccess.java:161) 
E (9562) TestExecutor:  at libcore.reflect.AnnotationAccess.getAnnotations(AnnotationAccess.java:111) 
E (9562) TestExecutor:  at java.lang.Class.getAnnotations(Class.java:369) 
E (9562) TestExecutor:  at org.junit.runner.Description.createSuiteDescription(Description.java:124) 
E (9562) TestExecutor:  at org.junit.internal.runners.ErrorReportingRunner.getDescription(ErrorReportingRunner.java:28) 
E (9562) TestExecutor:  at org.junit.runners.Suite.describeChild(Suite.java:123) 
E (9562) TestExecutor:  at org.junit.runners.Suite.describeChild(Suite.java:27) 
E (9562) TestExecutor:  at org.junit.runners.ParentRunner.shouldRun(ParentRunner.java:434) 
E (9562) TestExecutor:  at org.junit.runners.ParentRunner.filter(ParentRunner.java:382) 
E (9562) TestExecutor:  at org.junit.runner.manipulation.Filter.apply(Filter.java:97) 
E (9562) TestExecutor:  at android.support.test.internal.runner.TestRequestBuilder$LenientFilterRequest.getRunner(TestRequestBuilder.java:381) 
E (9562) TestExecutor:  at org.junit.runner.JUnitCore.run(JUnitCore.java:115) 
E (9562) TestExecutor:  at android.support.test.internal.runner.TestExecutor.execute(TestExecutor.java:59) 
E (9562) TestExecutor:  at android.support.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:262) 
E

来源

2016-08-14 jhegedus

-keep class scala.reflect.ScalaSignature {*;}

没有**

来源

2016-08-14 14:53:42 pfn

在Android上测试Scala：“找不到scala.reflect.ScalaSignature.bytes”

回答

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