java开发 Ubuntu下串口通信 rxtx

依照教材，我直接在相关网站下载了RXTXcomm的相关包：Download - Rxtx (qbang.org)

 

在Ubuntu里面，将 librxtxParallel.so  librxtxSerial.so 拷贝到jre文件夹下的 lib/amd64/里面

然后拷贝 RXTXcomm.jar 到jre文件夹下的 lib//ext 里面

 

写代码：略（网上一抓一大把，有空补充，如果有人问的话）

 

运行jar包后报错：

#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00007f84ae95e733, pid=8075, tid=0x00007f84ae855700
#
# JRE version: Java(TM) SE Runtime Environment (8.0_281-b09) (build 1.8.0_281-b09)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.281-b09 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# C  [librxtxSerial.so+0x7733]  Java_gnu_io_RXTXPort_nativeDrain+0xc3
#
# 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:
# /home/boocax/download/hs_err_pid8075.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.
#
已放弃 (核心已转储)

解决办法：

  sudo apt-get install librxtx-java 

 在： /urs/lib/jni/  文件夹中找到新的 lib,  librxtxParallel.so  和  librxtxSerial.so 拷贝到 jre文件夹下的 lib/amd64/ 里面

 

 

 

---

 

备注：

在Spring下，可以使用依赖，来代替jar包

        <dependency>
            <groupId>org.rxtx</groupId>
            <artifactId>rxtx</artifactId>
            <version>2.1.7</version>
        </dependency>