Sonarqube也有同样的问题

已经由最新版本的Java运行时(类文件版本55.0)编译，这个版本的Java运行时只识别类文件版本52.0

Sonarqube与AzureDevOps错误输出:

INFO: SonarScanner 4.6.2.2472 INFO: Java 1.8.0_231 Oracle Corporation (32-bit) INFO: Windows Server 2016 10.0 x86 INFO: User cache: C:\Windows\system32\config\systemprofile.sonar\cache INFO: Scanner configuration file: C:\agent_a_work_tasks\SonarQubePrepare_15b84ca1-b62f-4a2a-a403-89b77a063157\5.4.0\classic-sonar-scanner-msbuild\sonar-scanner-4.6.2.2472\bin..\conf\sonar-scanner.properties INFO: Project root configuration file: C:\agent_a_work\189.sonarqube\out\sonar-project.properties INFO: Analyzing on SonarQube server 9.4.0 INFO: Default locale: "en_AU", source code encoding: "windows-1252" (analysis is platform dependent) INFO: ------------------------------------------------------------------------ INFO: EXECUTION FAILURE INFO: ------------------------------------------------------------------------ INFO: Total time: 0.405s INFO: Final Memory: 3M/15M ##[error]ERROR: Error during SonarScanner execution java.lang.UnsupportedClassVersionError: org/sonar/batch/bootstrapper/EnvironmentInformation has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0

我在Sonarcube服务器上安装了Java v11，但错误提示它的构建代理没有Java v11。

我决定将Java v12 bin路径添加到环境变量路径中，以便检测它。重要的是，这需要在构建代理上完成:

对于托管生成代理，您可以安装JDK v11或使用以下PowerShell脚本步骤:

- task: PowerShell@2
  displayName: 'Download and Install Java v11'
  inputs:
    targetType: 'inline'
    script: |
      [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
      $Command = "c:\jdk-11.0.15_windows-x64_bin.exe"
      $Parms = "/s"
      Write-Host [System.IO.File]::Exists($Command)
      if ([System.IO.File]::Exists($Command)) {
        Write-Host 'Downloading Java11.exe'      
        Invoke-WebRequest https://yourOwnUrl.com/jdk-11.0.15_windows-x64_bin.exe -OutFile $Command
      }
      Write-Host [System.IO.File]::Exists($Command)
      & "$Command" $Prms
      [System.Environment]::SetEnvironmentVariable("JAVA_HOME", "C:\Program Files\Java\jdk-11.0.15")
      [System.Environment]::SetEnvironmentVariable("Path", [System.Environment]::GetEnvironmentVariable('Path', [System.EnvironmentVariableTarget]::Machine) + ";$($env:JAVA_HOME)\bin")

Sonarqube也有同样的问题

已经由最新版本的Java运行时(类文件版本55.0)编译，这个版本的Java运行时只识别类文件版本52.0

Sonarqube与AzureDevOps错误输出:

INFO: SonarScanner 4.6.2.2472 INFO: Java 1.8.0_231 Oracle Corporation (32-bit) INFO: Windows Server 2016 10.0 x86 INFO: User cache: C:\Windows\system32\config\systemprofile.sonar\cache INFO: Scanner configuration file: C:\agent_a_work_tasks\SonarQubePrepare_15b84ca1-b62f-4a2a-a403-89b77a063157\5.4.0\classic-sonar-scanner-msbuild\sonar-scanner-4.6.2.2472\bin..\conf\sonar-scanner.properties INFO: Project root configuration file: C:\agent_a_work\189.sonarqube\out\sonar-project.properties INFO: Analyzing on SonarQube server 9.4.0 INFO: Default locale: "en_AU", source code encoding: "windows-1252" (analysis is platform dependent) INFO: ------------------------------------------------------------------------ INFO: EXECUTION FAILURE INFO: ------------------------------------------------------------------------ INFO: Total time: 0.405s INFO: Final Memory: 3M/15M ##[error]ERROR: Error during SonarScanner execution java.lang.UnsupportedClassVersionError: org/sonar/batch/bootstrapper/EnvironmentInformation has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0

我在Sonarcube服务器上安装了Java v11，但错误提示它的构建代理没有Java v11。

我决定将Java v12 bin路径添加到环境变量路径中，以便检测它。重要的是，这需要在构建代理上完成:

对于托管生成代理，您可以安装JDK v11或使用以下PowerShell脚本步骤:

- task: PowerShell@2
  displayName: 'Download and Install Java v11'
  inputs:
    targetType: 'inline'
    script: |
      [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
      $Command = "c:\jdk-11.0.15_windows-x64_bin.exe"
      $Parms = "/s"
      Write-Host [System.IO.File]::Exists($Command)
      if ([System.IO.File]::Exists($Command)) {
        Write-Host 'Downloading Java11.exe'      
        Invoke-WebRequest https://yourOwnUrl.com/jdk-11.0.15_windows-x64_bin.exe -OutFile $Command
      }
      Write-Host [System.IO.File]::Exists($Command)
      & "$Command" $Prms
      [System.Environment]::SetEnvironmentVariable("JAVA_HOME", "C:\Program Files\Java\jdk-11.0.15")
      [System.Environment]::SetEnvironmentVariable("Path", [System.Environment]::GetEnvironmentVariable('Path', [System.EnvironmentVariableTarget]::Machine) + ";$($env:JAVA_HOME)\bin")

您应该检查您的Project Facets。

项目属性>项目facet

将java版本更改为您正在使用的相同版本。这对我很有用!

我在Intellij中遇到了这个错误。显然，选择java 1.8作为项目SDK并不会影响用于构建项目的javac编译器。

要更改，请进入设置->构建，执行，部署->编译器-> Java编译器，并将项目字节码版本更改为8。

在将编译器的版本配置为1.8(你需要的版本)后，尝试spring引导的旧版本，目前默认是3.0.0，但你可以尝试2.7.6。

在这里输入图像描述

转到项目部分，点击属性>，然后到Java编译器>检查编译器的合规性级别是1.8，或者底部应该没有黄色警告