Install ACTIVEMQ under Linux and specify JDK 1.8

1. Download the installation package

<apache-activemq-5.15.4-bin.tar.gz>

: Https://pan.baidu.com/s/18xzjBAchjWqsHNA1HuYvTg

2. Configuring the Environment

JDK 1.7 & JDK 1.8 installed

PS: Download JDK 1.8:

① View Name-a View Linux version number "x86_64 for 64-bit systems-32-bit compatible"

②oracle official website Download the specified version " key Select Accept, otherwise cannot download "

③ extract to the specified directory, default to <opt/jdk1.8>

Decompression command: TAR-ZXVF jdk-8u131-linux-x64.tar.gz

④ Configuring environment variables

1vim/etc/Profile #编辑配置文件2 3 # Sun JDK profile4 5Export JAVA_HOME=/USR/LOCAL/JDK1.8/jdk1.8. 0_1316 7Export jre_home=${java_home}/JRE8 9Export classpath=.:${java_home}/lib:${jre_home}/LibTen  OneExport path=${java_home}/Bin: $PATH A  -: Wq # Save and exit "or shift+ZZ " -  theSource/etc/profile # Make/etc/profile file is in effect -  -Java-version # view Java version display

3. Start

1 CD bin #进入bin目录2 3 # foreground startup, with boot log (can be used to see if it starts properly)4./ACTIVEMQ Console5 6 # Background boot, no boot log7./activemq Start8 9 # CloseTen./ACTIVEMQ Stop One  A # Restart -./activemq Restart -  the #查看进程 - PS-ef |grepACTIVEMQ -  - # Kill Process + Kill 1234 -  + # See if Port 61616 is open ANETSTAT-ANP |grep 8161 atNETSTAT-ANP |grep 61616

4. ACTIVEMQ designation jdk1.8

① Modifying a configuration file

1 #进入activemq Bin directory2cd/opt/apache-activemq-5.15.4/bin3 4 #修改env, environment configuration file5VimEnv6 7#添加指定 JDK1. 8 Info8 #进行修改 Insert9 ITen #添加信息 OneJava_home="/opt/jdk1.8"
12
#保存并退出
-: Wq # Save and exit "or Shift+zz"

② Restart MQ

./ACTIVEMQ Restart

5. Modify the Tomcat configuration to invoke the MQ

① Modifying configuration information

1 #进入tomcat路径下 2 cd/opt/tomcat/webapps/root/web-inf/ 3  4#修改tomcat configuration file 5vim Server.properties  6  7#修改activemq配置, add the following information 8 activemq.url=tcp://  10.10.101.101:61616  9 activemq.username=adminTen Activemq.password=admin

② rebooting Tomcat

1 #查看tomcat进程 2 PS grep  34#杀掉进程 5kill -912346 7 #启动tomcat 8 ./opt/tomcat/bin start. SH ; tail -F. /logs/catalina.out

6. Other configurations or FAQs

①jetty.xml Configuration

1 #activemq配置文件路径2 Vim/opt/apache-activemq-5.15.4/conf/jetty.xml3 4 # IP and ports for Web management access5 # can be changed to the external IP of the cost machine, cannot be changed to 127.0.0.1, otherwise cannot be accessed externally6 7     <BeanID= "Jettyport"class= "Org.apache.activemq.web.WebConsolePort"Init-method= "Start">8              <!--The default port number for the Web console -9         < Propertyname= "Host"value= "0.0.0.0"/>Ten         < Propertyname= "Port"value= "8161"/> One     </Bean>

②activemq.xml

1 Vim Opt/apache-activemq-5.15.4/conf/activemq.xml2 3 # IP and port to use4         <transportconnectors>5             <!--DOS Protection, limit concurrent connections to $ and frame size to 100MB -6             <Transportconnectorname= "Openwire"URI= "tcp://0.0.0.0:61616?maximumconnections=1000&amp;wireformat.maxframesize=104857600"/>7             <Transportconnectorname= "AMQP"URI= "amqp://0.0.0.0:5672?maximumconnections=1000&amp;wireformat.maxframesize=104857600"/>8             <Transportconnectorname= "Stomp"URI= "stomp://0.0.0.0:61613?maximumconnections=1000&amp;wireformat.maxframesize=104857600"/>9             <Transportconnectorname= "Mqtt"URI= "mqtt://0.0.0.0:1883?maximumconnections=1000&amp;wireformat.maxframesize=104857600"/>Ten             <Transportconnectorname= "ws"URI= "ws://0.0.0.0:61614?maximumconnections=1000&amp;wireformat.maxframesize=104857600"/> One         </transportconnectors>
#默认openwire Port number is 61616

③ Frequently Asked Questions

A. JDK version is incompatible "<apache-activemq-5.15.4> requires JDK 1.8 version"

Problem Description:

Start the Times wrong,

Workaround: because the machine is installed jdk1.7 is incompatible, install jdk1.8 and assign to ACTIVEMQ, solve the problem.

Install ACTIVEMQ under Linux and specify JDK 1.8