Unable to run any commands

Hi,

I am using itversity lab. I am not able to run any of the commands. It throws the below error. Please help me as soon as possible.

[vimaldoss18@gw01 ~]$ hadoop fs -ls /user/vimaldoss18
Java HotSpot™ 64-Bit Server VM warning: INFO: os::commit_memory(0x00006a97f9000000, 351272960, 0) failed; error=‘Cannot allocate memory’ (errno=12)

There is insufficient memory for the Java Runtime Environment to continue.

Native memory allocation (mmap) failed to map 351272960 bytes for committing reserved memory.

An error report file with more information is saved as:

/home/vimaldoss18/hs_err_pid28103.log

@vimal.doss18 please try now Issue got resolved. If still facing any problem let us know.

It is working now. Thanks.

@BaLu_SaI I am again getting the same error…