异常

#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 402653184 bytes for Failed to commit area from 0x0000000641e00000 to 0x0000000659e00000 of length 402653184.
# An error report file with more information is saved as:
# F:\Pre_Coding\Pre_IDEA_Project\Demo\HelloDemo\hs_err_pid72080.log
Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x0000000641e00000, 402653184, 0) failed; error='ҳ���ļ�̫С���޷���ɲ�����' (DOS error/errno=1455)

同时还生成了错误日志文件

原因

内存不够了。

解决

关闭一些应用程序，然后重启IDEA，重新运行项目。