在转移到Android Annotations v.2.7后,我在eclipse中构建项目时遇到了问题,同时maven构建还可以。这是来自eclipse错误日志的堆栈跟踪:
Error
Mon Nov 05 15:49:49 GMT+02:00 2012
Errors running builder 'Java Builder' on project 'heroes'.
java.lang.ArrayStoreException: sun.reflect.annotation.TypeNotPresentExceptionProxy
at sun.reflect.annotation.AnnotationParser.parseClassArray(AnnotationParser.java:653)
at sun.reflect.annotation.AnnotationParser.parseArray(AnnotationParser.java:460)
at sun.reflect.annotation.AnnotationParser.parseMemberValue(AnnotationParser.java:286)
at sun.reflect.annotation.AnnotationParser.parseAnnotation(AnnotationParser.java:222)
at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:69)
at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:52)
at java.lang.Class.initAnnotationsIfNecessary(Class.java:3070)
at java.lang.Class.getAnnotation(Class.java:3029)
at javax.annotation.processing.AbstractProcessor.getSupportedSourceVersion(AbstractProcessor.java:103)
at org.eclipse.jdt.internal.compiler.apt.dispatch.ProcessorInfo.<init>(ProcessorInfo.java:56)
at org.eclipse.jdt.internal.apt.pluggable.core.dispatch.IdeAnnotationProcessorManager.discoverNextProcessor(IdeAnnotationProcessorManager.java:94)
at org.eclipse.jdt.internal.compiler.apt.dispatch.RoundDispatcher.round(RoundDispatcher.java:116)
at org.eclipse.jdt.internal.compiler.apt.dispatch.BaseAnnotationProcessorManager.processAnnotations(BaseAnnotationProcessorManager.java:159)
at org.eclipse.jdt.internal.apt.pluggable.core.dispatch.IdeAnnotationProcessorManager.processAnnotations(IdeAnnotationProcessorManager.java:134)
at org.eclipse.jdt.internal.compiler.Compiler.processAnnotations(Compiler.java:820)
at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:434)
at org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.compile(AbstractImageBuilder.java:365)
at org.eclipse.jdt.internal.core.builder.BatchImageBuilder.compile(BatchImageBuilder.java:178)
at org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.compile(AbstractImageBuilder.java:302)
at org.eclipse.jdt.internal.core.builder.BatchImageBuilder.build(BatchImageBuilder.java:60)
at org.eclipse.jdt.internal.core.builder.JavaBuilder.buildAll(JavaBuilder.java:254)
at org.eclipse.jdt.internal.core.builder.JavaBuilder.build(JavaBuilder.java:178)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
Eclipse会话数据:
eclipse.buildId=M20120914-1800
java.version=1.6.0_35
java.vendor=Apple Inc.
BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=en_US
Framework arguments: -product org.eclipse.epp.package.jee.product -product org.eclipse.epp.package.jee.product -keyring /Users/vitaliyzasadnyy/.eclipse_keyring -showlocation
Command-line arguments: -os macosx -ws cocoa -arch x86_64 -product org.eclipse.epp.package.jee.product -data /Users/vitaliyzasadnyy/Development/workspaces/native-container-android -product org.eclipse.epp.package.jee.product -keyring /Users/vitaliyzasadnyy/.eclipse_keyring -showlocation
在@pyricau的帮助下,我解决了问题。以下是他对issue tracker的回应:
据我所见,
AbstractProcessor.getSupportedSourceVersion()
试图在处理器上读取@SupportedSourceVersion
注释。从堆栈跟踪中,我们可以推断AnnotationParser正在尝试读取处理器类上的所有注释。并且这些注释中的一个具有类数组参数,该参数包含无法加载的类。
在
AndroidAnnotationsProcessor
中唯一具有类数组的注释是@ SupportedAnnotationClasses
。由此我们可以推断出androidannotations支持的注释不存在,这意味着它们不在eclipse编译器的类路径中。
正如您可能已经注意到的那样,我们将API jar作为单独的Maven工件提取出来,从而导致新的maven配置:
<dependencies> <!-- [...] --> <dependency> <groupId>com.googlecode.androidannotations</groupId> <artifactId>androidannotations</artifactId> <version>2.7</version> <scope>provided</scope> </dependency> <dependency> <groupId>com.googlecode.androidannotations</groupId> <artifactId>androidannotations-api</artifactId> <version>2.7</version> </dependency> </dependencies>
既然你告诉我Maven工作正常,我假设你配置正确。
以前,androidannotations依赖包含注释。它不再包含它们,它们现在位于androidannotations-api jar中。
这对于Maven来说很好,因为范围编译中可用的依赖关系也可用于Javac。但是,Eclipse会将这些依赖项与注释处理jar区分开来。
因此,我假设您正在使用“手动方式”来配置eclipse注释处理:将jar添加到Java Compiler> Annotation Processing> Factory Path。它目前只包含
androidannotations-2.7.jar
。要解决此问题,您应该添加两个AndroidAnnotations依赖项:codemodel和androidannotations-api
以下是我们应该如何更新文档:(解决方案!)
- 右键单击项目,选择“属性”
- 转到Java Compiler> Annotation Processing并选择Enable annotation processing
- 转到Java编译器>注释处理>工厂路径
- 单击Add Variable,选择M2_REPO并单击Extend ...;然后,选择以下JAR:
com/googlecode/androidannotations/androidannotations-api/2.7/androidannotations-api-2.7.jar
- 单击Add Variable,选择M2_REPO并单击Extend ...;然后,选择以下JAR:
com/sun/codemodel/codemodel/2.4.1/codemodel-2.4.1.jar
- 单击Add Variable,选择M2_REPO并单击Extend ...;然后,选择以下JAR:
com/googlecode/androidannotations/androidannotations/2.7/androidannotations-2.7.jar
- 确认工作区重建
- 完成!
资料来源:https://github.com/androidannotations/androidannotations/issues/379#issuecomment-10073205
尝试重建项目 - mvn clean package
。如果您有不同的Maven配置文件,请不要忘记指定配置文件。