我下载并安装了:
jdk-9.0.1_osx-x64_bin.dmg
的JDK(here)sdk-tools-darwin-3859397.zip
的Android SDK(here)。在配置PATH
变量之后,我尝试运行sdkmanager
,它取代了用于管理SDK组件的android
命令。但是,它失败了,如下所示:
$ sdkmanager --list
Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema
at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaModule.java:156)
at com.android.repository.api.SchemaModule.<init>(SchemaModule.java:75)
at com.android.sdklib.repository.AndroidSdkHandler.<clinit>(AndroidSdkHandler.java:81)
at com.android.sdklib.tool.SdkManagerCli.main(SdkManagerCli.java:117)
at com.android.sdklib.tool.SdkManagerCli.main(SdkManagerCli.java:93)
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlSchema
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:185)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:496)
... 5 more
这是Java版本:
$ java -version
java version "9.0.1"
Java(TM) SE Runtime Environment (build 9.0.1+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.1+11, mixed mode)
有没有人知道如何修复它而不回到Java 8?
在this answer的帮助下,我成功地解决了这个问题。
我们将在sdkmanager
中应用修复程序。这是一个shell脚本。它位于$android_sdk/tools/bin
,$android_sdk
是您解压缩Android SDK的地方。
sdkmanager
。DEFAULT_JVM_OPTS
variable的行。在我的副本中,它位于第31行:
DEFAULT_JVM_OPTS='"-Dcom.android.sdklib.toolsdir=$APP_HOME"'
-XX:+IgnoreUnrecognizedVMOptions --add-modules java.se.ee
。请注意报价。在我的副本中,该行变为:
DEFAULT_JVM_OPTS='"-Dcom.android.sdklib.toolsdir=$APP_HOME" -XX:+IgnoreUnrecognizedVMOptions --add-modules java.se.ee'
结果如下:
$ sdkmanager --list
Installed packages:
Path | Version | Description | Location
------- | ------- | ------- | -------
tools | 26.0.1 | Android SDK Tools 26.0.1 | tools/
Available Packages:
Path | Version | Description
------- | ------- | -------
add-ons;addon-g..._apis-google-15 | 3 | Google APIs
add-ons;addon-g..._apis-google-16 | 4 | Google APIs
add-ons;addon-g..._apis-google-17 | 4 | Google APIs
add-ons;addon-g..._apis-google-18 | 4 | Google APIs
add-ons;addon-g..._apis-google-19 | 20 | Google APIs
add-ons;addon-g..._apis-google-21 | 1 | Google APIs
add-ons;addon-g..._apis-google-22 | 1 | Google APIs
add-ons;addon-g..._apis-google-23 | 1 | Google APIs
add-ons;addon-g..._apis-google-24 | 1 | Google APIs
...
你好!有用!
请注意,在运行sdkmanager --update
之后,您可能需要再次应用上述修复,因为如果更新了sdkmanager
软件包,可能会覆盖tools
shell脚本。
您可以使用SDKMANAGER OPTS设置sdk manager选项。
例:
export SDKMANAGER_OPTS="--add-modules java.se.ee"
sdkmanager --list
对于Windows,如果没有任何作用,请尝试这样:
sdkmanager.bat
。%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %SDKMANAGER_OPTS%
--add-modules java.xml.bind
修改后的行应如下所示:
%JAVA_EXE%" %DEFAULT_JVM_OPTS% --add-modules java.xml.bind %JAVA_OPTS% %SDKMANAGER_OPTS%
在我们阅读之前的评论时,发生此错误是因为当前的SDK版本与最新的Java版本不兼容:9和10。
因此,要解决此问题,您可以将Java版本降级到Java 8,或者作为解决方法,您可以在终端上导出以下选项:
Linux的:
export JAVA_OPTS='-XX:+IgnoreUnrecognizedVMOptions --add-modules java.se.ee'
视窗:
set JAVA_OPTS=-XX:+IgnoreUnrecognizedVMOptions --add-modules java.se.ee'
这将解决sdkmanager
的这个错误
要永久保存,您可以在Linux(.zshrc
,.bashrc
等)的配置文件中导出JAVA_OPTS,或者在Windows上永久添加为环境变量。
PS。这不适用于没有Java EE模块的Java 11+。对于这个选项是一个好主意,降级Java版本或等待Flutter update。
我很难找到这个解决方案,只需添加工作sdkmanager.bat
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem sdkmanager startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%..
@rem Add default JVM options here. You can also use JAVA_OPTS and SDKMANAGER_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Dcom.android.sdklib.toolsdir=%~dp0\.."
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\lib\sdklib-25.3.1.jar;%APP_HOME%\lib\layoutlib-api-25.3.1.jar;%APP_HOME%\lib\dvlib-25.3.1.jar;%APP_HOME%\lib\repository-25.3.1.jar;%APP_HOME%\lib\gson-2.2.4.jar;%APP_HOME%\lib\commons-compress-1.8.1.jar;%APP_HOME%\lib\httpclient-4.1.1.jar;%APP_HOME%\lib\httpmime-4.1.jar;%APP_HOME%\lib\common-25.3.1.jar;%APP_HOME%\lib\kxml2-2.3.0.jar;%APP_HOME%\lib\annotations-25.3.1.jar;%APP_HOME%\lib\annotations-12.0.jar;%APP_HOME%\lib\jimfs-1.1.jar;%APP_HOME%\lib\httpcore-4.1.jar;%APP_HOME%\lib\commons-logging-1.1.1.jar;%APP_HOME%\lib\commons-codec-1.4.jar;%APP_HOME%\lib\guava-18.0.jar
@rem Execute sdkmanager
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% -XX:+IgnoreUnrecognizedVMOptions --add-modules java.se.ee %JAVA_OPTS% %SDKMANAGER_OPTS% -classpath "%CLASSPATH%" com.android.sdklib.tool.SdkManagerCli %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable SDKMANAGER_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%SDKMANAGER_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega
Android工具仍然与JDK 9或10不兼容。您需要安装JDK 8,或者,如果您需要多个Java版本,请确保系统范围的Java主目录指向JDK 8。
更多细节在这里:How to configure Unity 2017.4 to target Android and avoid build failures on OSX?
在系统中安装java 11时,提供的解决方案无效。
这个-XX:+IgnoreUnrecognizedVMOptions --add-modules java.se.ee or
- add-modules java.xml.bind不适用于Mac OS上的Java 11。
因此,您必须从此处将Java版本降级到版本8:http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
/usr/libexec/java_home -V
export JAVA_HOME=$(/usr/libexec/java_home -v 11)
export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)
然后去
cd ~/Library/Android/sdk/tools/bin
和
./sdkmanager --licenses
https://adoptopenjdk.net目前支持从版本8开始的所有JDK发行版。例如https://adoptopenjdk.net/releases.html#x64_win
以下是我如何使用sdkmanager等JDK版本8的示例:https://travis-ci.com/mmcc007/screenshots/builds/109365628
对于JDK 9(我认为10,可能是11,但不是12和更高),以下应该可以使sdkmanager工作:
export SDKMANAGER_OPTS="--add-modules java.se.ee"
sdkmanager --list
我能够通过使用编辑的sdkmanager.bat文件解决问题,强制使用嵌入在Android Studio中的Java本身,我认为使用OpenJDK 8.这是我使用的编辑过的sdkmanager:
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem sdkmanager startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%..
@rem Add default JVM options here. You can also use JAVA_OPTS and SDKMANAGER_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Dcom.android.sdklib.toolsdir=%~dp0\.."
@rem find Java from Android Studio
@rem Find java.exe
if defined ANDROID_STUDIO_JAVA_HOME goto findJavaFromAndroidStudioJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
goto findJavaNormally
:findJavaFromAndroidStudioJavaHome
set JAVA_HOME=%ANDROID_STUDIO_JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
goto findJavaNormally
@rem java from java home
@rem Find java.exe
:findJavaNormally
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
goto javaError
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
goto javaDirectoryError
:javaError
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:javaDirectoryError
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\lib\dvlib-26.0.0-dev.jar;%APP_HOME%\lib\jimfs-1.1.jar;%APP_HOME%\lib\jsr305-1.3.9.jar;%APP_HOME%\lib\repository-26.0.0-dev.jar;%APP_HOME%\lib\j2objc-annotations-1.1.jar;%APP_HOME%\lib\layoutlib-api-26.0.0-dev.jar;%APP_HOME%\lib\gson-2.3.jar;%APP_HOME%\lib\httpcore-4.2.5.jar;%APP_HOME%\lib\commons-logging-1.1.1.jar;%APP_HOME%\lib\commons-compress-1.12.jar;%APP_HOME%\lib\annotations-26.0.0-dev.jar;%APP_HOME%\lib\error_prone_annotations-2.0.18.jar;%APP_HOME%\lib\animal-sniffer-annotations-1.14.jar;%APP_HOME%\lib\httpclient-4.2.6.jar;%APP_HOME%\lib\commons-codec-1.6.jar;%APP_HOME%\lib\common-26.0.0-dev.jar;%APP_HOME%\lib\kxml2-2.3.0.jar;%APP_HOME%\lib\httpmime-4.1.jar;%APP_HOME%\lib\annotations-12.0.jar;%APP_HOME%\lib\sdklib-26.0.0-dev.jar;%APP_HOME%\lib\guava-22.0.jar
@rem Execute sdkmanager
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %SDKMANAGER_OPTS% -classpath "%CLASSPATH%" com.android.sdklib.tool.sdkmanager.SdkManagerCli %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable SDKMANAGER_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%SDKMANAGER_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega
在这里,我使用了一个环境变量ANDROID_STUDIO_JAVA_HOME,它实际上指向嵌入在android工作室中的JRE,例如:../ installer_studio/jre
如果未设置ANDROID_STUDIO_JAVA_HOME,这也会回退到JAVA_HOME。