Deploying Java Unix Daemon with Java Service Wrapper

最新推荐文章于 2023-12-31 09:18:35 发布

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本文详细介绍如何使用Java Service Wrapper在Linux环境下部署Java应用为守护进程，包括环境准备、安装配置Wrapper及启动脚本编辑等步骤。

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转自：http://opentodo.net/2013/03/deploying-java-unix-daemon-with-java-service-wrapper/

- Preparing the environment:

 
        # mkdir -p /usr/local/queuesApp/bin/
       
        # mkdir /usr/local/queuesApp/conf
       
        # mkdir /usr/local/queuesApp/logs
       
        # cp -r rabbitmqConsumer.jar lib/ /usr/local/queuesApp/bin/

- Preparing the environment:

 
          # mkdir -p /usr/local/queuesApp/bin/
         
          # mkdir /usr/local/queuesApp/conf
         
          # mkdir /usr/local/queuesApp/logs
         
          # cp -r rabbitmqConsumer.jar lib/ /usr/local/queuesApp/bin/

- Download and install java service wrapper for Linux:

- 32 bits systems:

1	`# wget http://heanet.dl.sourceforge.net/project/wrapper/wrapper/Wrapper_3.5.17_20121127/wrapper-linux-x86-32-3.5.17.tar.gz`

- 64 bits systems:

1	`# wget http://heanet.dl.sourceforge.net/project/wrapper/wrapper/Wrapper_3.5.17_20121127/wrapper-linux-x86-64-3.5.17.tar.gz`

- Extract the package and copy the files needed:

 
          # tar -xzvf wrapper-linux-x86-*-3.5.17.tar.gz
         
          # cd wrapper-linux-x86-*-3.5.17/
         
          # cp bin/wrapper /usr/local/queuesApp/bin/
         
          # cp src/bin/sh.script.in /usr/local/queuesApp/bin/
         
          # cp lib/* /usr/local/queuesApp/bin/
         
          # cp conf/wrapper.conf /usr/local/queuesApp/conf/

- Rename the service script and set correct permissions:

 
          # cd /usr/local/queuesApp/bin/
         
          # mv sh.script.in consumer-daemon
         
          # chmod +x consumer-daemon

- Changing some directive from the config file for our application:

 
          # cd /usr/local/queuesApp/conf/
         
          # vi wrapper.conf
         
          #********************************************************************
         
          # Wrapper Java Properties
         
          #********************************************************************
         
          # Java Application
         
          # Locate the java binary on the system PATH:
         
          wrapper.java.
          command
          =java
         
          # Java Main class. This class must implement the WrapperListener interface
         
          # or guarantee that the WrapperManager class is initialized. Helper
         
          # classes are provided to do this for you. See the Integration section
         
          # of the documentation for details.
         
          wrapper.java.mainclass=org.tanukisoftware.wrapper.WrapperJarApp
         
          # Java Classpath (include wrapper.jar) Add class path elements as
         
          # needed starting from 1
         
          wrapper.java.classpath.1=..
          /bin/wrapper
          .jar
         
          # Java Library Path (location of Wrapper.DLL or libwrapper.so)
         
          wrapper.java.library.path.1=..
          /bin
         
          # Application parameters. Add parameters as needed starting from 1
         
          wrapper.app.parameter.1=..
          /bin/rabbitmqConsumer
          .jar

wrapper.java.command : It’s the path for the java binary, by default in Linux it’s found in the PATH.
wrapper.java.mainclass: The main class to load our program, it may be different depending of the integration method used.
wrapper.java.classpath.1 : the location for the wrapper jar.
wrapper.java.library.path.1 : The path for the wrapper binary.
wrapper.app.parameter.1 : The jar package for our program.

- Edit init script:

 
          # vi /usr/local/queuesApp/bin/consumer-daemon
         
          APP_NAME=
          "consumer-daemon"
         
          APP_LONG_NAME=
          "Consumer Java Daemon for RabbitMQ"

- Run the aplication at boot time:

 
          # ln -s /usr/local/queuesApp/bin/consumer-daemon /etc/init.d/consumer-daemon
         
          # chkconfig --levels 235 consumer-daemon on