安装android-sdk: "java.lang "失败。NoClassDefFoundError: javax / xml /绑定/注释/ XmlSchema”

当安装android sdk工具时，会产生以下错误:

java.lang.NoClassDefFoundError: javax / xml /绑定/注释/ XmlSchema

为什么会发生这种情况，如何解决?

调试输出:

$ java --version
java 9
Java(TM) SE Runtime Environment (build 9+181)
Java HotSpot(TM) 64-Bit Server VM (build 9+181, mixed mode)
$ brew cask install android-sdk
==> Caveats
We will install android-sdk-tools, platform-tools, and build-tools for you.
You can control android sdk packages via the sdkmanager command.
You may want to add to your profile:
  'export ANDROID_SDK_ROOT=/usr/local/share/android-sdk'

This operation may take up to 10 minutes depending on your internet connection.
Please, be patient.

==> Satisfying dependencies
==> Downloading https://dl.google.com/android/repository/sdk-tools-darwin-3859397.zip
Already downloaded: /Users/tomasnovella/Library/Caches/Homebrew/Cask/android-sdk--3859397,26.0.1.zip
==> Verifying checksum for Cask android-sdk
==> Installing Cask android-sdk
==> 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
Error: Command failed to execute!

==> Failed command:
/usr/local/Caskroom/android-sdk/3859397,26.0.1/tools/bin/sdkmanager tools platform-tools build-tools;26.0.1

==> Standard Output of failed command:


==> Standard Error of failed command:
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)

当前回答

最好的方法是使用下面的命令

   $ wget https://dl.google.com/android/repository/platform-tools-latest-linux.zip
   $ unzip \platform-tools-latest-linux.zip
   $ sudo cp platform-tools/adb /usr/bin/adb
   $ sudo cp platform-tools/fastboot /usr/bin/fastboot

现在运行adb版本来验证它是否已经更新。

2020-05-09 15:08:49

其他回答

我找到了两个对我有用的答案，而不需要卸载创建-反应-app所需的JDK 10(或9)。JDK 9和JDK 10都不兼容android-sdk !

Siu Ching Pong -飞鸟健二-建议修改sdkmanager脚本，替换这一行:

DEFAULT_JVM_OPTS='"-Dcom.android.sdklib.toolsdir=$APP_HOME"'

DEFAULT_JVM_OPTS='"-Dcom.android.sdklib.toolsdir=$APP_HOME" -XX:+IgnoreUnrecognizedVMOptions --add-modules java.se.ee'

注意，这个mod在更新sdkmanager时会被覆盖。查看他的帖子和他的链接，了解更多细节。这个解决方案也是这个github问题线程中提到的解决方案之一。

German的帖子指出了冲突的来源，并提出了不会被更新覆盖的修复方案。他建议重命名/Library/Java/JavaVirtualMachines/Info。plist是一种将它与寻找系统中Java的最高版本的脚本隔离的方法。这样，JDK 8将作为默认值返回。显式引用JDK 10，或将其设置为$JAVA_HOME，您可以在需要时使用JDK 10，而不是默认值。详情见他的文章。

2018-05-11 04:55:35

不需要卸载机器上已经安装的其他java版本。无论何时需要，您都可以方便地使用实用程序“update-alternatives”来选择您希望激活的Java运行时。它将自动更新所需的符号链接。

您只需要运行下面的命令并选择您所选择的版本。这是所有!

sudo update-alternatives --config java

2020-10-24 09:41:39

Linux用户(我使用的是Debian发行版，Kali) 以下是我的解决方法。

如果您还没有jdk-8，您可以在oracle的网站上获得它

https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

我得到了jdk-8u191-linux-x64.tar.gz

步骤1 -安装Java 在一个合适的位置移动并打开它，像这样

$ mv jdk-8u191-linux-x64.tar.gz /suitablelocation/
$ tar -xzvf /suitablelocation/jdk-8u191-linux-x64.tar.gz

您应该得到一个解压缩的文件夹，如jdk1.8.0_191 您可以随后删除tarball以节省空间

步骤2 -设置默认java位置的替代方案

$ update-alternatives --install /usr/bin/java java /suitablelocation/jdk1.8.0_191/bin/java 1
$ update-alternatives --install /usr/bin/javac javac /suitablelocation/jdk1.8.0_191/bin/javac 1

步骤3 -选择您的默认选项

$ update-alternatives --set java /suitablelocation/jdk1.8.0_191/bin/java
$ update-alternatives --set javac /suitablelocation/jdk1.8.0_191/bin/javac

步骤4 -确认默认java版本

$ java -version

笔记

In the original article here: https://forums.kali.org/showthread.php?41-Installing-Java-on-Kali-Linux, the default plugin for mozilla was also set. I assume we don't really need the plugins as we're simply trying to develop for android. As in @spassvogel's answer, you should also place a @repositories.cfg file in your ~/.android directory as this is needed to update the tools repo lists Moving some things around may require root authority. Use sudo wisely. For sdkmanager usage, see official guide: https://developer.android.com/studio/command-line/sdkmanager

2018-12-04 19:15:20

最好的方法是使用下面的命令

   $ wget https://dl.google.com/android/repository/platform-tools-latest-linux.zip
   $ unzip \platform-tools-latest-linux.zip
   $ sudo cp platform-tools/adb /usr/bin/adb
   $ sudo cp platform-tools/fastboot /usr/bin/fastboot

现在运行adb版本来验证它是否已经更新。

2020-05-09 15:08:49

您需要将以下内容添加到您的配置文件(适用于MacOS):

export JAVA_HOME= ' /usr/libexec/ JAVA_HOME -v 1.8 '

不需要打补丁。

2018-12-05 19:58:12

安装android-sdk: "java.lang "失败。NoClassDefFoundError: javax / xml /绑定/注释/ XmlSchema”

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