2019-07-31

关于Java使用Rxtx包操作串口记录

教程网上都有，我记录一个遇到的错误，卡在一个地方一天。

在使用flush方法和read方法时碰见如下报错，程序终止运行：

#

# A fatal error has been detected by the Java Runtime Environment:

#

#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x0000000180004465, pid=9864, tid=10460

#

# JRE version: Java(TM) SE Runtime Environment (11.0.4+10) (build 11.0.4+10-LTS)

# Java VM: Java HotSpot(TM) 64-Bit Server VM (11.0.4+10-LTS, mixed mode, tiered, compressed oops, g1 gc, windows-amd64)

# Problematic frame:

# C  [rxtxSerial.dll+0x4465]

#

# No core dump will be written. Minidumps are not enabled by default on client versions of Windows

#

# An error report file with more information is saved as:

# C:\Users\Administrator\Desktop\project\java\ck\index\hs_err_pid9864.log

#

# 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.

#

原因好像是Rxtx包不支持高版本jdk，换成jdk8，解决