Insufficient project deployment memory Cannot allocate memory

phenomenon ： Start error report
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (malloc) failed to allocate 536870912 bytes for
committing reserved memory.
# An error report file with more information is saved as:
# /usr/local/apache-tomcat_04-7.0.64/hs_err_pid31180.log
Java HotSpot(TM) 64-Bit Server VM warning: INFO:
os::commit_memory(0x00000000bae00000, 536870912, 0) failed; error='Cannot
allocate memory' (errno=12)

solve ：   again setenv.sh Here we need to readjust the memory , This situation is set too large , include -Xms512m -Xmx512m -Xss1m NewSize=256m -XX:MaxNewSize=512m Such a value , Insufficient physical memory , Turn the configuration down

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