Linux下tomcat服务中断，报“无法分配内存”错误，解决
来源：锐游网
Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00000000cf6de000, 248393728, 0) failed; error='无法分配内存' (errno=12)
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (malloc) failed to allocate 248393728 bytes for committing reserved memory.
# An error report file with more information is saved as:
# /usr/local/Tomcat_Trans/bin/hs_err_pid4758.log
解决方法：
在tomcat的bin文件夹的catalona.sh文件中添加下面一行
export CATALINA_OPTS="-server -Xms512m -Xmx4096m -XX:PermSize=256M -XX:MaxPermSize=512m"；
为什么用CATALINA_OPTS 而不用JAVA_OPTS请参考：
http://www.wellho.net/mouth/2163_CATALINA-OPTS-v-JAVA-OPTS-What-is-the-difference-.html
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