Could not find tools.jar." error with react-native run-android even in the latest release · Issue #18888 · facebook/react-native · GitHub
Could not find tools.jar. Please check that C:\Program Files\Java\jre1.8.0_221 contains a valid JDK installation. · Issue #575 · synthetichealth/synthea · GitHub
![启动STS时警告:Missing 'toor.jar'==>could not find "tools.jar" in the active JRE_tools.jar was not found, so arthas could not be la-CSDN博客 启动STS时警告:Missing 'toor.jar'==>could not find "tools.jar" in the active JRE_tools.jar was not found, so arthas could not be la-CSDN博客](https://img-blog.csdnimg.cn/20200422204251465.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM2NjQ5NzQ0,size_16,color_FFFFFF,t_70)
启动STS时警告:Missing 'toor.jar'==>could not find "tools.jar" in the active JRE_tools.jar was not found, so arthas could not be la-CSDN博客
Could not find tools.jar, BUILD FAILED · Issue #6 · googlesamples/android-custom-lint-rules · GitHub
Could not find tools.jar. Please check that C:\Program Files\Java\jre1.8.0_221 contains a valid JDK installation. · Issue #575 · synthetichealth/synthea · GitHub
![android - Could not find tools.jar. Please check that C:\Program Files\Java\jre1.8.0_151 contains a valid JDK installation - Stack Overflow android - Could not find tools.jar. Please check that C:\Program Files\Java\jre1.8.0_151 contains a valid JDK installation - Stack Overflow](https://i.stack.imgur.com/pPnJw.png)