As shown in figure, free - h shows with 1.5 gb of memory, Java launch parameters set of 512 m, the largest set before the 1024 m not



Error message for

 
Downloading a vanilla jar... 
# 
# There is insufficient memory for the Java Runtime Environment to continue. 
# Native memory allocation (malloc) failed to the allocate 32744 bytes for ChunkPool: : the allocate 
# An error report file with more information is saved as: 
#/opt/PGMC/hs_err_pid12763 log 
[thread 139727644833536 also had an error] 
[thread 139728035915520 also had an error] 
# 
# Can 't open the file to dump replay data. Error: always the allocate memory 

Some people encountered this kind of situation? Don't look out of memory,