在 Debian 服务器上重启 Java 进程
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Restart Java Process on Debian Server
提问by newUser.java
I'm using a remote server and to clean up some amount of RAM I've restarted some (not system) services in use but I can't restart the java process because the 'service' command can't find it (isn't a service? it's a oracle-java8 installation through the official apt-get installer).
我正在使用远程服务器并清理一些 RAM 我已经重新启动了一些（不是系统）正在使用的服务，但我无法重新启动 java 进程，因为“服务”命令找不到它（不是） t 服务？这是通过官方 apt-get 安装程序进行的 oracle-java8 安装）。
Any suggestion?
有什么建议吗？
[I've readed the other questions but there is not a proper solution for my case, I don't want to execute strange scrips. sorry]
[我已经阅读了其他问题，但我的情况没有合适的解决方案，我不想执行奇怪的脚本。对不起]
采纳答案by newUser.java
Problem solved. I've verified that the java process is the execution of a jar, so just killing and re-launch it.
问题解决了。我已经验证了java进程是一个jar的执行，所以只需杀死并重新启动它。
The clue has been that in my local pc the jre don't have a daemon-like process.
线索是在我的本地电脑中，jre 没有类似守护进程的进程。
回答by Stijn Haezebrouck
apt-get install oracle-java8-jdk/jrewould not create java as a service. It would install the JDK/JRE so that you can run jar files as such:
apt-get install oracle-java8-jdk/jre不会将 java 创建为服务。它将安装 JDK/JRE，以便您可以像这样运行 jar 文件：
# java -jar myjarfile.jar
The java process on your server might have been started this way in a console or tty.
您服务器上的 java 进程可能已在控制台或 tty 中以这种方式启动。
If you want to run this jar as a service, you need to create a wrapper script that supports start, stop, restart etc. (like explained here) Without a wrapper script, a java .jar program cannot be managed as a service on Linux.
如果你想运行这个jar作为一种服务，你需要创建一个包装脚本，支持启动，停止，重新启动等。（喜欢这里解释没有包装脚本），一个Java的.jar程序不能被管理为Linux上的服务.
If your java process was a tomcat server, as read in the comment, you could start it by manually by running
如果您的 java 进程是一个 tomcat 服务器，如评论中所读，您可以通过运行手动启动它
# catalina.sh start
Tomcat comes with wrapper scripts to run it as a service. If it was installed this way on your server, you could try to start it using
Tomcat 带有包装脚本以将其作为服务运行。如果它以这种方式安装在您的服务器上，您可以尝试使用
# sudo service tomcat8 start
See tomcat running documentationfor more info
有关更多信息，请参阅tomcat 运行文档
