Ibnu Habibie February 2016

Could not find tools.jar React Native Android In windows 10

guys . i just try to install react native in my laptop. i've followed all setup instruction but i stiil get those error .

* What went wrong:
Execution failed for task ':app:compileDebugJavaWithJavac'.
> Could not find tools.jar

i used genymotion with os version 5.1.0, i've setup environment variable for android_home. Any idea what i miss here ?

sdk manager

Answers


yUdoDis February 2016

I'm gonna go on a long shot here. There is a tools.jar in java libs folder.[the java sdk that is]

Usually all these frameworks and ides have a lib folder themselves. and it is missing said tools.jar. Just copy paste it there.


pcguru February 2016

Setting the missing "JAVA_HOME" system environment variable worked for me.

  • Press WIN+Pause on keyboard.
  • Click advanced system settings.
  • Click "Environment variables".
  • Click "New" under "System variables".
  • Type "JAVA_HOME" in the Variable name field.
  • Type the path to the JDK in the Value field. For me the correct path with short filename was "C:\PROGRA~1\Java\jdk1.8.0_66".
  • Click OK, and OK in previous window too.
  • Restart any command prompts or restart the computer.
  • react-native run-android worked fine after that.

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Asked in February 2016
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