1、解決sonar-checkstyle-plugin運行過程中出現的異常問題

一、版本說明

        sonar版本:5.6

        checkstyle: 6.12.1

        sonar-checkstyle: 2.5-SNAPSHOT

        checkstyle-all : 2.5-SNAPSHOT

        sonar-checkstyle-plugin: 2.5-SNAPSHOT 

二、問題現象和問題描述

        代碼質量配置中添加checkstyle規則後,在執行代碼檢查時,報如下異常,導致檢查中斷:

Exception in thread "main" java.lang.NoSuchMethodError: com.google.common.io.Closeables.closeQuietly(Ljava/io/InputStream;)
at com.puppycrawl.tools.checkstyle.PackageNamesLoader.getPackageNames(PackageNamesLoader.java:156)
at com.puppycrawl.tools.checkstyle.Checker.finishLocalSetup(Checker.java:137)
at com.puppycrawl.tools.checkstyle.api.AutomaticBean.configure(AutomaticBean.java:134)
at org.sonar.plugins.checkstyle.CheckstyleExecutor.execute(CheckstyleExecutor.java:84)
at org.sonar.plugins.checkstyle.CheckstyleSensor.analyse(CheckstyleSensor.java:57)
at org.sonar.batch.phases.SensorsExecutor.executeSensor(SensorsExecutor.java:58)
at org.sonar.batch.phases.SensorsExecutor.execute(SensorsExecutor.java:50)
at org.sonar.batch.phases.AbstractPhaseExecutor.execute(AbstractPhaseExecutor.java:83)
at org.sonar.batch.scan.ModuleScanContainer.doAfterStart(ModuleScanContainer.java:189)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:142)
at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:127)
at org.sonar.batch.scan.ProjectScanContainer.scan(ProjectScanContainer.java:265)
at org.sonar.batch.scan.ProjectScanContainer.scanRecursively(ProjectScanContainer.java:260)
at org.sonar.batch.scan.ProjectScanContainer.scanRecursively(ProjectScanContainer.java:258)
at org.sonar.batch.scan.ProjectScanContainer.doAfterStart(ProjectScanContainer.java:250)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:142)
at org.sonar.batch.scan.ProjectScanContainer.startComponents(ProjectScanContainer.java:128)
at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:127)
at org.sonar.batch.task.ScanTask.execute(ScanTask.java:55)
at org.sonar.batch.task.TaskContainer.doAfterStart(TaskContainer.java:86)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:142)
at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:127)
at org.sonar.batch.bootstrap.GlobalContainer.executeTask(GlobalContainer.java:124)
at org.sonar.batch.bootstrapper.Batch.executeTask(Batch.java:119)
at org.sonarsource.scanner.api.internal.batch.BatchIsolatedLauncher.execute(BatchIsolatedLauncher.java:62)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.sonarsource.scanner.api.internal.IsolatedLauncherProxy.invoke(IsolatedLauncherProxy.java:60)
at com.sun.proxy.$Proxy0.execute(Unknown Source)
at org.sonarsource.scanner.api.EmbeddedScanner.doExecute(EmbeddedScanner.java:240)
at org.sonarsource.scanner.api.EmbeddedScanner.runAnalysis(EmbeddedScanner.java:151)
at org.sonarsource.scanner.cli.Main.runAnalysis(Main.java:110)
at org.sonarsource.scanner.cli.Main.execute(Main.java:72)
at org.sonarsource.scanner.cli.Main.main(Main.java:60)

三、原因

        未完全解決guava版本不兼容的問題。具體原因如下:

        sonar-checkstyle插件中,引用了checkstyle和sonar-plugin-api兩個jar包,這兩個jar包都引用了guava,但是版本不一樣,checkstyle使用guava 18.0,sonar-plugin-api使用guava 10.0.1。對於類 com.google.common.io.Closeables ,guava 18.0不兼容10.0.1【假如在pom文件中不指定guava版本的話,默認是用高版本】。sonar-checkstyle是通過maven的shade插件來解決guava版本不兼容的問題,具體做法:在sonar-checkstyle項目中建立checkstyle-all項目中通過【maven-shade-plugin】插件,將checkstyle中的guava18.0包合併到checkstyle包【com.puppycrawl.tools.checkstyle.guava】路徑下,並重新生成【checkstyle-all-2.5.2-SNAPSHOT.jar】包來替代checkstyle-6.12.1,在真正的sonar-checkstyle插件項目sonar-checkstyle-plugin中引用的 checkstyle-all,是來解決guava衝突的問題。

        但是,由於 checkstyle-all 引用了checkstyle,導致 sonar-checkstyle-plugin間接引用了checkstyle,打包的時候,仍然將checkstyle打包進入 sonar-checkstyle-plugin的jar包。 類加載的時候依然加載的是 checkstyle,而不是替換checkstyle和guava18.0的 checkstyle-all,所以並沒有真正解決guava版本不兼容的問題。

四、解決辦法

        sonar-checkstyle-plugin項目在引用checkstyle-all的時候,排除引用checkstyle,又通過引用scope級別爲provided的checksytle包,來避免運行時無法通過編譯的問題。

    配置如下:

    <dependency>
      <groupId>${project.groupId}</groupId>
      <artifactId>checkstyle-all</artifactId>
      <version>${project.version}</version>
      <!--排除原生的checkstyle軟件-->
      <exclusions>
        <exclusion>
          <groupId>com.puppycrawl.tools</groupId>
          <artifactId>checkstyle</artifactId>
        </exclusion>
      </exclusions>
    </dependency>

    <!--引用checkstyle軟件,僅供編碼使用-->
    <dependency>
      <groupId>com.puppycrawl.tools</groupId>
      <artifactId>checkstyle</artifactId>
      <version>${checkstyle.version}</version>
      <!-- 依賴jdk或容器提供 -->
      <scope>provided</scope>
    </dependency>

 

 

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