# A fatal error has been detected by the Java Runtime Environment: # # [error occurred during error reporting (printing exception/signal name), id 0x7] , pid=2178, tid=0x00007fad591b5700 # # JRE version: Java(TM) SE Runtime Environment (8.0_221-b11) (build 1.8.0_221-b11) # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.221-b11 mixed mode linux-amd64 compressed oops) # Problematic frame: # [error occurred during error reporting (printing problematic frame), id 0x7] # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again # # An error report file with more information is saved as: # /usr/local/tomcat9/bin/hs_err_pid2178.log # # If you would like to submit a bug report, please visit: # http://bugreport.java.com/bugreport/crash.jsp #
tomcat 總是掛掉，提示Failed to write core dump錯誤，如何解決
上面重要一句話是 # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again 告訴我們用這個命令解決問題 ulimit -c unlimited
core dump就是在進程crash時把包括內存在內的現場保留下來，以備故障分析。 但有時候，進程crash了卻沒有輸出core，因為有一些因素會影響輸出還是不輸出core文件。 常見的一個coredump開關是ulimit -c，它限制允許輸出的coredump文件的最大size，如果要輸出的core文件大小超過這個值將不輸出core文件。
ulimit -c的輸出為0，代表關閉core dump輸出。
不知道問題有木有解決？？？