Odtnhj

After successfully building Android 8.1.0, I try to create an AVD use the "android" command. But it failed with Java exception.

$ android -list targets

Exception in thread "main" java.lang.NoClassDefFoundError: com/android/sdklib/repository/SdkRepoConstants
at com.android.sdkmanager.SdkCommandLine.<init>(SdkCommandLine.java:340)
at com.android.sdkmanager.Main.init(Main.java:222)
at com.android.sdkmanager.Main.run(Main.java:148)
at com.android.sdkmanager.Main.main(Main.java:117)
Caused by: java.lang.ClassNotFoundException: com.android.sdklib.repository.SdkRepoConstants
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 4 more

How can I fix it?
Thanks a lot!

Env.
1. OS
Ubuntu 18.04.1 LTS

2. Java version
   openjdk version "1.8.0_181"
   OpenJDK Runtime Environment (build 1.8.0_181-8u181-b13-1ubuntu0.18.04.1-b13)
   OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode)




3. Android source code
   ./repo init -u https://aosp.tuna.tsinghua.edu.cn/platform/manifest -b android-8.1.0_r46




4. Operations
   $ source build/envsetup.sh
   $ lunch aosp_arm-eng
   Build Android source code successfully!



5. 
   

   PATH

   
   
   

   /usr/lib/jvm/java-8-openjdk-amd64/bin:/dev/android/out/soong/host/linux-x86/bin:/dev/android/out/host/linux-x86/bin:/dev/android/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9/bin:/dev/android/development/scripts:/dev/android/prebuilts/devtools/tools:/dev/android/external/selinux/prebuilts/bin:/dev/android/prebuilts/misc/linux-x86/dtc:/dev/android/prebuilts/misc/linux-x86/libufdt:/dev/android/prebuilts/android-emulator/linux-x86_64:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin