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关于报错A fatal error has been detected by the Java Runtime Environment:

关于报错 A fatal error has been detected by the Java Runtime Environment:

 

一、报错概览

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#
# A fatal error has been detected by the Java Runtime Environment:
#
#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00000000, pid=2608, tid=0x00002504
#
# JRE version: Java(TM) SE Runtime Environment (8.0_131-b11) (build 1.8.0_131-b11)
# Java VM: Java HotSpot(TM) Client VM (25.131-b11 mixed mode windows-x86 )
# Problematic frame:
# C  0x00000000
#
# Core dump written. Default location: C:\Users\Administrator\Desktop\aerotop-led-project\hs_err_pid2608.mdmp
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.java.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#

　　今天在运行 java 程序的时候报了如上所示的一个错误，然后查看日志，通过在百度上查询，给出了几种解决方案都不能彻底解决这个错误，依然会报错，再向下看日志时发现 jvm 堆内存和元空间的使用情况，如下所示：

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Heap:
 def new generation   total 44672K, used 13804K [0x05000000, 0x08070000, 0x0a550000)
  eden space 39744K,  30% used [0x05000000, 0x05bab018, 0x076d0000)
  from space 4928K,  37% used [0x07ba0000, 0x07d70208, 0x08070000)
  to   space 4928K,   0% used [0x076d0000, 0x076d0000, 0x07ba0000)
 tenured generation   total 98972K, used 59381K [0x0a550000, 0x105f7000, 0x15000000)
   the space 98972K,  59% used [0x0a550000, 0x0df4d4f0, 0x0df4d600, 0x105f7000)
 Metaspace       used 63522K, capacity 65876K, committed 66048K, reserved 66944K

　　虽然没有报 OOM 的错误，但是还是存在侥幸心理去改堆内存和元空间的大小，但是还是报错。

 

二、解决方法：

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#
# A fatal error has been detected by the Java Runtime Environment:
#
#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00000000, pid=2608, tid=0x00002504
#
# JRE version: Java(TM) SE Runtime Environment (8.0_131-b11) (build 1.8.0_131-b11)
# Java VM: Java HotSpot(TM) Client VM (25.131-b11 mixed mode windows-x86 )
# Problematic frame:
# C  0x00000000
#
# Core dump written. Default location: C:\Users\Administrator\Desktop\aerotop-led-project\hs_err_pid2608.mdmp
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.java.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#

　　在最开始的日志消息中，发现了一个关键词 Problematic frame:，下面显示的是文件名，于是定位到该文件中，发现是用于多个定时任务同时处理该方法造成的，导致报错，修改程序后，解决问题。