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I'm trying to add report generation for code coverage using JaCoCo. The project is using Maven, so i have jacoco maven plugin configured like this:
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>${jacoco.maven.plugin.version}</version>
<executions>
<execution>
<id>prepare-agent</id>
<goals>
<goal>prepare-agent</goal>
</goals>
<configuration>
<destFile>${basedir}/target/coverage-reports/jacoco-unit.exec</destFile>
</configuration>
</execution>
<execution>
<id>report</id>
<phase>prepare-package</phase>
<goals>
<goal>report</goal>
</goals>
<configuration>
<dataFile>${basedir}/target/coverage-reports/jacoco-unit.exec</dataFile>
<outputDirectory>${basedir}/target/jacoco</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
And surefire plugin like this:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven.surefire.plugin.version}</version>
<configuration>
<argLine>${argLine} -XX:-UseSplitVerifier</argLine>
<printSummary>true</printSummary>
<excludes>
<exclude>**/selenium/**/*.java</exclude>
<excludes>
</configuration>
</plugin>
But in the end of running
mvn clean package
i'm getting such error:
[ERROR] Failed to execute goal org.jacoco:jacoco-maven-plugin:0.7.5.201505241946:report (report) on project LMS: An error has occurred in JaCoCo Test report generation. Error while creating report: invalid literal/length code -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
The thing is, on another project same thing works like a charm. I couldn't find a solution online. Anyone has any ideas?
Using -e switch i get the following errors:
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.jacoco:jacoco-maven-plugin:0.7.5.201505241946:report (report) on project LMS: An error has occurred in JaCoCo Test report generation.
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.MojoExecutionException: An error has occurred in JaCoCo Test report generation.
at org.jacoco.maven.AbstractReportMojo.execute(AbstractReportMojo.java:180)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
... 20 more
Caused by: org.apache.maven.reporting.MavenReportException: Error while creating report: invalid literal/length code
at org.jacoco.maven.AbstractReportMojo.executeReport(AbstractReportMojo.java:196)
at org.jacoco.maven.AbstractReportMojo.execute(AbstractReportMojo.java:178)
... 22 more
Caused by: java.util.zip.ZipException: invalid literal/length code
at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:164)
at java.util.zip.ZipInputStream.read(ZipInputStream.java:193)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
at org.jacoco.core.internal.ContentTypeDetector.readInt(ContentTypeDetector.java:95)
at org.jacoco.core.internal.ContentTypeDetector.determineType(ContentTypeDetector.java:68)
at org.jacoco.core.internal.ContentTypeDetector.<init>(ContentTypeDetector.java:63)
at org.jacoco.core.analysis.Analyzer.analyzeAll(Analyzer.java:172)
at org.jacoco.core.analysis.Analyzer.analyzeZip(Analyzer.java:246)
at org.jacoco.core.analysis.Analyzer.analyzeAll(Analyzer.java:178)
at org.jacoco.core.analysis.Analyzer.analyzeAll(Analyzer.java:208)
at org.jacoco.maven.BundleCreator.createBundle(BundleCreator.java:78)
at org.jacoco.maven.AbstractReportMojo.createReport(AbstractReportMojo.java:219)
at org.jacoco.maven.AbstractReportMojo.executeReport(AbstractReportMojo.java:193)
... 23 more
603
Why does the coverage report not show line coverage figures? JaCoCo is based on class files analysis. To calculate line coverage class files must contain line number attributes. For this your code must be compiled with debug information.
To get code coverage reports in a Maven project, we first need to set up the JaCoCo Maven plugin for that project. By integrating the JaCoCo plugin, the results of the code coverage analysis can be reviewed as an HTML report. The current version of the JaCoCo-Maven plugin can be downloaded from the MVN Repository.
JaCoCo now officially supports Java 12. Instrumentation does not add synthetic field to Java 11+ class files, however still adds synthetic method (GitHub #845). Branches added by the Kotlin compiler version 1.3.
Supported formats are HTML, XML and CSV. Defaults to all formats if no values are given. Default value is: HTML,XML,CSV . A list of class files to include in the report.
I once faced this problem as well. It seems to be related to the Jacoco analyzer not being able to parse some resources (that were presumably the git submodules or a zip/binary within them). Simply ignoring that path of the resources folder for this task fixed the problem.
See: https://github.com/devhub-tud/devhub/commit/c21607d753fbac1ba26e8b14d4ba84f4487620f8
And: https://github.com/devhub-tud/devhub/tree/master/src/main/resources/static
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