chapter 4 AHMS¶
Asset Health Management System
4.1 Basic JAR Creation¶
Eclipse - Export - select source
4.1.1 Unsupported major.minor version 52.0¶
J2SE 8 = Version 52
J2SE 7 = Version 51
J2SE 6.0 = Version 50
J2SE 5.0 = Version 49
JDK 1.4 = Version 48
JDK 1.3 = Version 47
JDK 1.2 = Version 46
JDK 1.1 = Version 45
4.1.2 manual core dump¶
$echo c > /proc/sysrq-trigger or ALT+SysRq+C
core dump 생성되는곳 /var/crash/xxx/vmcore
