创建报告时如何修复错误（jacoco）

Question

我在运行我的黑盒测试代码时遇到错误。我正在使用最新的 0.8.2 jacoco 罐子，但它抛出了以下错误：

    BUILD FAILED
    C:\project\build-continous-integration.xml:71: The following error occurred while executing this line:
    C:\project\build-continous-integration.xml:94: The following error occurred while executing this line:
    C:\project\build-continous-integration.xml:152: Error while creating report
            at org.jacoco.ant.ReportTask.execute(ReportTask.java:501)
            at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
            at jdk.internal.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
            at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.base/java.lang.reflect.Method.invoke(Method.java:566)
            at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
            at org.apache.tools.ant.Task.perform(Task.java:350)
            at org.apache.tools.ant.Target.execute(Target.java:449)
            at org.apache.tools.ant.Target.performTasks(Target.java:470)
            at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388)
            at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:36)
            at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
            at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:437)
            at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105)
            at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
            at jdk.internal.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
            at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.base/java.lang.reflect.Method.invoke(Method.java:566)
            at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
            at org.apache.tools.ant.Task.perform(Task.java:350)
            at org.apache.tools.ant.Target.execute(Target.java:449)
            at org.apache.tools.ant.Target.performTasks(Target.java:470)
            at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388)
            at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:36)
            at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
            at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:437)
            at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105)
            at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
            at jdk.internal.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
            at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.base/java.lang.reflect.Method.invoke(Method.java:566)
            at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
            at org.apache.tools.ant.Task.perform(Task.java:350)
            at org.apache.tools.ant.Target.execute(Target.java:449)
            at org.apache.tools.ant.Target.performTasks(Target.java:470)
            at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388)
            at org.apache.tools.ant.Project.executeTarget(Project.java:1361)
            at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
            at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
            at org.apache.tools.ant.Main.runBuild(Main.java:834)
            at org.apache.tools.ant.Main.startAnt(Main.java:223)
            at org.apache.tools.ant.launch.Launcher.run(Launcher.java:284)
            at org.apache.tools.ant.launch.Launcher.main(Launcher.java:101)
    Caused by: java.io.IOException: Error while analyzing 
  project\bc\infra\commands\AbstractCommand.class.
            at org.jacoco.core.analysis.Analyzer.analyzerError(Analyzer.java:170)
            at org.jacoco.core.analysis.Analyzer.analyzeClass(Analyzer.java:142)
            at org.jacoco.core.analysis.Analyzer.analyzeClass(Analyzer.java:165)
            at org.jacoco.core.analysis.Analyzer.analyzeAll(Analyzer.java:201)
            at org.jacoco.ant.ReportTask.createBundle(ReportTask.java:570)
            at org.jacoco.ant.ReportTask.createReport(ReportTask.java:542)
            at org.jacoco.ant.ReportTask.execute(ReportTask.java:495)
            ... 42 more
    Caused by: java.lang.IllegalArgumentException
            at org.objectweb.asm.ClassReader.<init>(Unknown Source)
            at org.objectweb.asm.ClassReader.<init>(Unknown Source)
            at org.jacoco.core.analysis.Analyzer.analyzeClass(Analyzer.java:118)
            at org.jacoco.core.analysis.Analyzer.analyzeClass(Analyzer.java:140)
            ... 47 more

我检查了很多主题，但大多数问题都是关于检测的 class 但在这里我没有看到这个错误。有人知道如何解决吗？如果您需要更多信息，请告诉我。

提前致谢。

Answer 1

Caused by: java.lang.IllegalArgumentException
        at org.objectweb.asm.ClassReader.<init>(Unknown Source)

我在 ASM 库的堆栈跟踪中唯一知道的 Unknown Source 案例是使用不包含调试信息的 JAR，并且 were removed in ASM version 6.0。所以您可能使用的 ASM 版本 < 6.0.

但是根据堆栈跟踪中模块名称的存在

        at java.base/java.lang.reflect.Method.invoke(Method.java:566)

您正在使用 Java >= 9.

ASM 版本 < 6.0 无法处理 Java >= 9 类并且在这种情况下恰好在 org.objectweb.asm.ClassReader.<init>.

处抛出 IllegalArgumentException

此外 JaCoCo 0.8.2 requires usage of ASM 6.2.1 并完全取决于此版本。

    at org.jacoco.ant.ReportTask.execute(ReportTask.java:501)

对于 Ant，您必须使用 JaCoCo 发行版中的 lib/jacocoant.jar 而不是 lib/org.jacoco.ant-0.8.2.201808211720.jar，因为第一个 包含所有必需的依赖项 ，而最后一个不包含。根据 https://www.jacoco.org/jacoco/trunk/doc/repo.html，它对应于来自 Maven 中央存储库的工件，其 groupId 是 org.jacoco，artifactId 是 org.jacoco.ant，最重要的是 classifier 是 nodeps.

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