使用cobertura 1.9.2进行零代码覆盖,但测试正在进行中

Question

我运行代码覆盖目标:

<junit fork="yes" dir="${basedir}" failureProperty="test.failed">
        <!--
                        Note the classpath order: instrumented classes are before the
                        original (uninstrumented) classes.  This is important.
                -->
        <classpath path="${instrumented.dir}" />
        <classpath path="${classes.dir}" />
        <classpath refid="classpath" />
        <!--
                        The instrumented classes reference classes used by the
                        Cobertura runtime, so Cobertura and its dependencies
                        must be on your classpath.
                -->
        <classpath refid="cobertura.classpath" />

        <formatter type="xml" />
        <!--<test name="${testcase}" todir="${reports.xml.dir}" if="testcase" />-->
        <batchtest fork="yes" todir="${reports.xml.dir}">
                <fileset dir="${classes.dir}">
                        <include name="**/generated/AllTests.class" />
                </fileset>
        </batchtest>
</junit>

<junitreport todir="${reports.xml.dir}">
        <fileset dir="${reports.xml.dir}">
                <include name="TEST-*.xml" />
        </fileset>
        <report format="frames" todir="${reports.html.dir}" />
</junitreport>

然后我得到以下输出(当使用fork ="true"时):

java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at net.sourceforge.cobertura.util.FileLocker.lock(FileLocker.java:124)
        at net.sourceforge.cobertura.coveragedata.ProjectData.saveGlobalProjectData(ProjectData.java:331)
        at net.sourceforge.cobertura.coveragedata.SaveTimer.run(SaveTimer.java:31)
        at java.lang.Thread.run(Thread.java:595)
Caused by: java.io.IOException: No locks available
        at sun.nio.ch.FileChannelImpl.lock0(Native Method)
        at sun.nio.ch.FileChannelImpl.lock(FileChannelImpl.java:784)
        at java.nio.channels.FileChannel.lock(FileChannel.java:865)
        ... 8 more
---------------------------------------
Unable to get lock on /vobs/rnc/rrt/roam2/roamSs/RoamMao_swb/RoamMao_bldu/ant_build/cobertura.ser.lock: null
This is known to happen on Linux kernel 2.6.20.
Make sure cobertura.jar is in the root classpath of the jvm 
process running the instrumented code.  If the instrumented code 
is running in a web server, this means cobertura.jar should be in 
the web server's lib directory.
Don't put multiple copies of cobertura.jar in different WEB-INF/lib directories.
Only one classloader should load cobertura.  It should be the root classloader.

我使用Ant 1.7.0和cobertura 1.9.2.

任何想法为什么没有报道？我在目标中看到的测试运行正常.我试图切换java版本(1.5.0_06和1.6.0_10),但没有区别.

Answer 1

我在设置环境属性方面取得了成功cobertura.use.java.nio=false.

由于我使用的是ant,我只是cobertura-build.xml通过在<junit>命令中添加以下内容来编辑文件:

<junit fork="yes">
  <jvmarg value="-Dcobertura.use.java.nio=false"/>
  ...
</junit>