Thingsboard Build踩坑（一）

编译时错误代码：

	[Error] Timed out waiting 250s for another ngcc process, with id 3300, to complete. (If you are sure no ngcc process is running then you should delete the lock-file at F:/thingsboard-master/ui-ngx/node_modules/@angular/compiler-cli/ngcc/ngcc_lock_file.) at AsyncLocker. (F:/thingsboard-master\ui-ngx\node_modules\@angular\compiler-cli\ngcc\src\locking\async_locker.js:91:31) at step (F:/thingsboard-master\ui-ngx\node_modules\tslib\tslib.js:139:27) at Object.next (F:/thingsboard-master\ui-ngx\node_modules\tslib\tslib.js:120:57) at fulfilled (F:/thingsboard-master\ui-ngx\node_modules\tslib\tslib.js:110:62) npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! thingsboard@3.0.1 postinstall: ngcc --properties es2015 browser module main --first-only --create-ivy-entry-points npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the thingsboard@3.0.1 postinstall script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above. npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\mao19\AppData\Roaming\npm-cache\_logs\2020-07-13T09_13_00_170Z-debug.log

解决方法：查找到F:/thingsboard-master/ui-ngx/node_modules/@angular/compiler-cli/ngcc/ngcc_lock_file.文件并删除，重新build即可。