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JEAP 6 - HornetQ 的設定

感謝雪魚一哥幫忙今天早上的Webinar,
在台灣最熟JBoss Messaging 應該就是他了
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HornetQ 是一個MOM (Message-oriented Middleware) 幫忙管理messaging的系統平台。
聽起來可能很陌生,但是如果我講到 Queue 與 Topic 可能就會知道拉。

設定方式,以後再介紹Cluster.
這次先已開發為主的Standalone 方式建立。
(如果你沒有安裝過JEAP 6 Standalone請到這裡參考)

1. 確定你使用的模組是到 $JBOSS_INSTALL_PATH/standalone/configuration/standalone-full.xml
因為我們需要用到messaging 的subsystem





所以,請將$JBOSS_INSTALL_PATH/standalone/configuration/standalone-full.xml rename 成 standalone.xml

2. 啟動Standalone Server
到$JBOSS_INSTALL_PATH/bin/ 執行 standalone.sh



3. 到http://localhost:9990 去,登入後,到Profile 下,的Messaging 下的 Destination. 左邊有個default,按下view 進入



按下ConnectionFactory 裡面內建已經有了2 個 ConnectionFactory,一個是在同一個VM instance 可以取用的,一個是Remote 可以 lookup 到的 ConnectionFactory。
看到裡面使用connector 都是 netty, 但是如果你的message size 都很小的話,建議使用netty-throughput。因為它的可以batch delay (batch 一段時間 這對小的msg 的throughput 會有很好的影響),direct-deliver也設定成false .





4. 建立queue的使用者, 每個queue 要存取,都必須要有id 跟 密碼認證
到$JBOSS_INSTALL_PATH/bin/ 執行 add_user.sh


Lin-Christinateki-MacBook-Air:bin weimeilin$ ./add-user.sh

What type of user do you wish to add? 
 a) Management User (mgmt-users.properties) 
 b) Application User (application-users.properties) 
(a): (告訴系統是AP在用的)

Enter the details of the new user to add.
Realm (ApplicationRealm) : 
Username : christina (使用者名稱)
Password : (輸入密碼)
Re-enter Password : (輸入密碼)
What roles do you want this user to belong to? (Please enter a comma separated list, or leave blank for none)[  ]: remoteJMS (使用者的角色,在這裡我自定為remoteJMS)
About to add user 'christina' for realm 'ApplicationRealm'
Is this correct yes/no? yes
Added user 'christina' to file '/Applications/demo/jboss-eap-6.0/standalone/configuration/application-users.properties'
Added user 'christina' to file '/Applications/demo/jboss-eap-6.0/domain/configuration/application-users.properties'
Added user 'christina' with roles remoteJMS to file '/Applications/demo/jboss-eap-6.0/standalone/configuration/application-roles.properties'
Added user 'christina' with roles remoteJMS to file '/Applications/demo/jboss-eap-6.0/domain/configuration/application-roles.properties'
Is this new user going to be used for one AS process to connect to another AS process e.g. slave domain controller?
yes/no? no


5. 建立使用的Queue
回到Console 上,一樣到Profile 下的Messaging, 到Destinations, 選擇Queue/Topics  到Queue 的Tab 鍵,按下add 新增Queue


寫上Queue 的名字,
這裡我自己取名叫 SampleQ
加上可以由外部lookup 到的JNDI 名稱。


之後,增加安全性的設定。需要告訴JBoss, queue 要用哪一個帳號進入 (預設是guest/guest, 如果你沒有照上一步設定 User 的話。)

選擇Security Settings 按下 Add 增加。


在Pattern 中正確的定義,只有sampleQ 可以用remoteJMS, 如果你想全部用,那就直接加另一個 # 就好。

Pattern: jms.queue.sampleQ
Role: remoteJMS

設定完成,請重開Server。








現在來寫個JMS Client 與 MDB 確認。

1. 寫一個JMS Client 專門用remote 的去把message 放到queue裡面。
在寫這個Client 的時候有一些步驟要提醒一下。

a. 不要忘記去把 $JBOSS_INSTALL_PATH//bin/client/jboss-client.jar 放到class path.
b. 在lookup 的 環境語法也有修改, INITIAL_CONTEXT_FACTORY 從之前的org.jnp.interfaces.NamingContextFactory 變成 org.jboss.naming.remote.client.InitialContextFactory
而port 的位置從 1099 改到 4447 (如果有改port offset的話,請自行累加)

傳送成功。


跑了之後,登入http://localhost:9090 的runtime , JMS Destinations 之下。左邊的Queue 之下,在可以In-Flight Message 看到queue 裡面有產生了1 個message .




2. 建一個 EJB 的專案,裡面寫一只MDB, 去收queue


放上去Deploy 之後,就可以看到 message 被 MDB 收下來了


到Console 上可以看到message 也收走拉!最下面那個1 是累計的message 數量


完成。

Comments

Ethan Chen said…
Dear 老師,我是之前有上過課的PIC學員,我想請問一個問題,上次課堂使用的jboss,可以用win服務建立起來嗎?而不需要一直開著command視窗
煩請老師解答了,非常感謝
Christina said…
上一堂有用過JBoss EAP 5 跟 7, 你說的是哪個哩?
我晚點寫一篇Window Service 好了。
Black Tang said…
quest/quest 筆誤應該是 guest/guest :-)
Christina Lin said…
謝謝,已更正啦!
彼得 said…
請教一下,Messages Added這個累積的數字只是計數用嗎?是否可以清除呢? 累積太多會不會影響系統呢?(目前累積到666567) 謝謝您

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