maven - JUnit + Maven + 並列テスト実行エラー

Question

JUnit、Groovy、Spock、および Maven を使用しているときに、JUnit テストを並行して実行する際に問題があります。それらを実行すると、テストが成功した後に次のようになります。

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 18.362s
[INFO] Finished at: Wed Mar 20 15:14:25 CET 2013
[INFO] Final Memory: 16M/221M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.14:test (default-test) on project spock-webdriver: ExecutionException; nested exception is java.util.concurrent.ExecutionException: java.lang.RuntimeException: There was an error in the forked process
[ERROR] java.lang.NoSuchMethodError: org.apache.maven.surefire.common.junit4.JUnit4RunListener.rethrowAnyTestMechanismFailures(Lorg/junit/runner/Result;)V
[ERROR] at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:129)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[ERROR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR] at java.lang.reflect.Method.invoke(Method.java:601)
[ERROR] at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray2(ReflectionUtils.java:208)
[ERROR] at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:158)
[ERROR] at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:86)
[ERROR] at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
[ERROR] at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:95)
[ERROR] -> [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/MojoFailureException

pom.xml で Junit 47 プロバイダーの強制使用を有効にすると、次のようになります。

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.271s
[INFO] Finished at: Wed Mar 20 15:31:42 CET 2013
[INFO] Final Memory: 17M/178M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.14:test (default-test) on project spock-webdriver: ExecutionException; nested exception is java.util.concurrent.ExecutionException: java.lang.RuntimeException: There was an error in the forked process
[ERROR] java.lang.NoSuchMethodError: org.apache.maven.surefire.util.TestsToRun.size()I
[ERROR] at org.apache.maven.surefire.junitcore.JUnitCoreProvider.invoke(JUnitCoreProvider.java:123)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[ERROR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR] at java.lang.reflect.Method.invoke(Method.java:601)
[ERROR] at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray2(ReflectionUtils.java:208)
[ERROR] at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:158)
[ERROR] at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:86)
[ERROR] at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
[ERROR] at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:95)
[ERROR] -> [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/MojoFailureException

pom.xml は次のようになります。

<dependencies>
        <dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>selenium-java</artifactId>
            <version>2.31.0</version>
            <scope>compile</scope>
        </dependency>

        <!--If this is commented out parallel testing is not working!!! When in testexecution itself is not working  -->
        <dependency>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-surefire-plugin</artifactId>
            <version>2.14</version>
        </dependency>

        <dependency>
            <groupId>org.spockframework</groupId>
            <artifactId>spock-maven</artifactId>
            <version>0.7-groovy-2.0</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.codehaus.gmaven</groupId>
                <artifactId>gmaven-plugin</artifactId>
                <version>1.3</version>
                <configuration>
                    <providerSelection>1.7</providerSelection>
                    <source/>
                </configuration>
                <executions>
                    <execution>
                        <goals>
                            <goal>testCompile</goal>
                        </goals>
                    </execution>
                </executions>
                <dependencies>
                    <dependency>
                        <groupId>org.codehaus.gmaven.runtime</groupId>
                        <artifactId>gmaven-runtime-1.7</artifactId>
                        <version>1.3</version>
                        <exclusions>
                            <exclusion>
                                <groupId>org.codehaus.groovy</groupId>
                                <artifactId>groovy-all</artifactId>
                            </exclusion>
                        </exclusions>
                    </dependency>
                    <dependency>
                        <groupId>org.codehaus.groovy</groupId>
                        <artifactId>groovy-all</artifactId>
                        <version>2.0.6</version>
                    </dependency>
                </dependencies>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.14</version>
                <dependencies>
                </dependencies>
                <configuration>
                    <includes>
                        <include>**/*Test.java</include>
                    </includes>
                    <!-- Surefire 2.14+ configuration for parallelization -->
                    <forkCount>5</forkCount>
                    <reuseForks>false</reuseForks>
                </configuration>
            </plugin>
        </plugins>
    </build>

score 6 · Accepted Answer

これは古いスレッドですが、この問題に遭遇する可能性のある他の人にとっては... このエラーは、確実なプラグインの依存関係と spock 0.7.0 の依存関係との不一致が原因で発生します。Spock は、surefire-junit47、バージョン 2.11 を使用します。このクラス/メソッド JUnit4RunListener.rethrowAnyTestMechanismFailures は、確実なバージョンには存在しません。解決策は、次のように spock 依存関係定義から確実なバージョンを除外することです。

<dependency>
    <groupId>org.spockframework</groupId>
    <artifactId>spock-maven</artifactId>
    <version>0.7-groovy-2.0</version>
    <exclusions>
        <exclusion>  <!-- exclude so we can pick up surefire-junit4 2.17 version for failsafe integration tests  -->
            <groupId>org.apache.maven.surefire</groupId>
            <artifactId>surefire-junit47</artifactId>
        </exclusion>
    </exclusions>
</dependency>

ここで、定義した確実なバージョンを使用します。完全を期すために、私が使用する確実な依存関係は次のとおりです。

<dependency>
    <groupId>org.apache.maven.surefire</groupId>
    <artifactId>surefire-junit4</artifactId>
    <version>2.17</version>
</dependency>

そして、単体テストと統合テストを別々に起動できる確実なプラグイン定義 (この部分は、単体テスト、統合テスト、spock、maven、および groovy をうまく機能させることに関するものです)。

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-surefire-plugin</artifactId>
    <version>2.17</version>
    <dependencies>
        <dependency>
            <groupId>org.apache.maven.surefire</groupId>
            <artifactId>surefire-junit4</artifactId>
            <version>2.17</version>
        </dependency>
    </dependencies>
    <configuration>
        <forkCount>0</forkCount>
        <includes>
            <include>%regex[.*Test.*]</include>
        </includes>
        <excludes>
            <exclude>%regex[.*IntegrationTest.*]</exclude>
        </excludes>
    </configuration>
</plugin>

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-failsafe-plugin</artifactId>
    <version>2.17</version>
    <configuration>
        <includes>
            <include>%regex[.*IntegrationTest.*]</include>
        </includes>
    </configuration>
    <executions>
        <execution>
            <id>failsafe-integration-tests</id>
            <goals>
                <goal>integration-test</goal>
            </goals>
        </execution>
    </executions>
</plugin>

これで、ユニットテストがテストゴールと共に起動し、統合テストは次のようにオンデマンドで個別に起動できます: mvn failsafe:integration-test

maven - JUnit + Maven + 並列テスト実行エラー

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