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4Sep/12

HowtogetAllClusterNodeDetailsusingJMXinJBossAS7.1.2

byAuthor_1underCluster,JbossAS7,JBossAS7,MBeans

Hi,

InJBossEAP5orAS6orpreviousreleasestherewasaconceptofPartitionNamewhichcouldbeusedtoget the listofactiveclustermembers,However inJBossAS7 there isnoconceptofPartitionNameratherinUDPmodethelusteringhappensbasedonthemulticastasddress(ClusteringcanbeachievedusingTCPmodeofcommunicationaswell).HowevermanydeveloperswanttolistthenumberofactivemembersrunningaspartofaJBossAs7clusterprogramatically.

So in this examplewewill see how towrite a simple JMXCode in order to access the cluster node



details.

NOTE:

Point1).InJBossAS7untilyoudeployanapplicationwhichrequiresclusteringtheJBosswillnowstarttheclusteringservices.SoincaseofwebApplicationsyoushoulddeployatleastoneapplicationon

yourClustermemberswhichhastagspecifiedinitsWEBINF/web.xmlfile.

Point2).IfyouareusingEJBs(andnotwebapplicationtodeployonyourcluster)makesurethattheEJBsareclusteredinordertostartClusterservices.EJBscanbeannotatedusingthefollowing

annotationinordertobeclustered.@org.jboss.ejb3.annotation.Clustered

Point3).InCaseofWebBasedclustertheObjectNameoftheClusteredinstancewillbejgroups:type=channel,cluster=webbydefaultwhichcanbeusedintheJMXCodeinordertolook

querytheMBean.

Point3).InCaseofEJBBasedclustertheObjectNameoftheClusteredinstancewillbejgroups:type=channel,cluster=ejbbydefaultwhichcanbeusedintheJMXCodeinordertolook

querytheMBean.

Point5).IfyouarerunningyourServerinDomainModethenyoushouldnotusetheNativeManagementPort9999inordertoquerytheMBeansratheryoushouldusetheindividualservers

RemotingPort4447inyourJMXCode.byaddingthefollowingconfigurationonyourJBossProfileinsidedomain.xmlyoucanallowaccessingtheMBeansviaRemotingport4447ratherthan(native

managementport9999)

Point6).IfyouareusingNativeManagementInterfaceport9999inordertoqueryyourClusterMBean(instandalonemode)thenyoushouldusetheCredentials(username/password)forauserbelongingto

ManagementRealm,ButinDomainmodeasweneedtoconnecttoserverusingRemotingPort(4447)soyoushouldcreateaApplicationRealmuser.inalltheclusterHosts.

WritingtheJMXcodcetoqueryClusterMBean

1 2 3 4

01 importjava.util.Hashtable;02 importjavax.management.MBeanServerConnection;03 importjavax.management.ObjectName;04 importjavax.management.remote.JMXConnector;05 importjavax.management.remote.JMXConnectorFactory;06 importjavax.management.remote.JMXServiceURL;07 08 publicclassAS7ClusterView{09 publicstaticvoidmain(String[]args)throwsException{10 11 Stringhost="10.10.10.10";//YourJBossNativeInterfaceBinAddressdefaultislocalhost12 intport=9999;//managementport//InDomainModeyoushoulduse4447portofindividualserver13 StringurlString="service:jmx:remotingjmx://"+host+":"+port;



NowopenaTerminalwhereweneedtosetthePAThandCLASSPATHlikefollowingandthencompileandruntheprogram:

.

.Thanks

MiddlewareMagicTeam

Cluster,JbossAS7,JBossAS7,MBeansLeaveaCommentmore...

3Jul/12

14 System.out.println("\n\n\t****urlString:"+urlString);15 StringwebClusterObjectName="jgroups:type=channel,cluster=\"web\""16 //StringejbClusterObjectName="jgroups:type=channel,cluster=\"ejb\"";17 18 JMXServiceURLserviceURL=newJMXServiceURL(urlString);19 20 Hashtableh=newHashtable();21 String[]credentials=newString[]{"admin","admin123"};22 h.put("jmx.remote.credentials",credentials);23 24 JMXConnectorjmxConnector=JMXConnectorFactory.connect(serviceURL,25 MBeanServerConnectionconnection=jmxConnector.getMBeanServerConnection();26 ObjectNameobjectName=newObjectName(webClusterObjectName);27 StringclusterView=(String)connection.getAttribute(objectName,28 LongreceivedMessages=(Long)connection.getAttribute(objectName,29 Stringname=(String)connection.getAttribute(objectName,"Name"30 StringclusterName=(String)connection.getAttribute(objectName,31 32 System.out.println("clusterView="+clusterView);33 System.out.println("receivedMessages="+receivedMessages);34 System.out.println("name="+name);35 System.out.println("clusterName="+clusterName);36 jmxConnector.close();37 }38 39 }

01 ForUNIXBasedOperatingSystem:02 03 exportPATH=/home/userone/jdk1.6.0_21/bin:$PATH04 exportCLASSPATH=/home/userone/jbossas7.1.2.Final/bin/client/jbossclient.jar:$CLASSPATH:.:05 06 ++++++++++++++++++++++++++++++++07 ForWindowsBasedOperatingSystem08 09 setPATH=C:\jdk1.6.0_21\bin;%PATH%10 setCLASSPATH=c:\jbossas7.1.2.Final\bin\client\jbossclient.jar;%CLASSPATH%;.;



Usingmod_clusterwithJBossAS7.1cluster

byAuthor_2underApache,Cluster,JbossAS7,mod_cluster,WebServer

Wehaveseenhowtocreateclustersinstandalone,domainwithmulticastandunicastprotocolsalsowhichhavebeenlistedbelow.Howeverinthisarticlewewouldbeseeinghowto

usemod_clusterwithourcreatedclustersinbothstandaloneanddomainmode.

FollowingarethelistofarticlewehavecreatedtillnowforcreatingaclusterinJBossAS7.1.1Finaltillnow

1. HowtocreateclusterinJBossAS7.1instandalonemode?2. HowtocreateclusterinJBossAS7.1indomainmode?3. CreatingTCPclusterinJBossAS7.1instandalonemode?

AgainwewouldbeusingJBossAS7.1.1.Finalforthisarticleaswellsothatweareallonthesamepage,asfewthingshavebeenchangefromJBossAS7.0toJBossAS7.1.

Changestakenplace:

1. AJPconnectorisenabledbydefaultinstandaloneha.xml,standalonefullha.xmlanddomain.xmlforhaandfullhaprofile.

2. InsteadofJVMRoute,nowwehavetouseinstanceid

Usingmod_clusterwithJBossAS7.1clusterForthiswewouldhavetomodifyfrombothsideApacheaswellasJBossAS7side,henceletsseethe

configurationoneatatime

Apachesideconfiguration

LetsseewhatallconfigurationhastobemadefromApacheside

1. Youcanconfiguremod_clusterfromthebelowarticle,justfollowtheApachesideconfigurationpartonly

Howtoconfiguremod_clusterwithJBoss?

2. IntheabovearticleyoucanjustaddtheIP_ADDRESSoftheboxonwhichApacheisrunningwhichisintheStep3somethingasshownbelow



JBosssideconfiguration

NowwewouldseewhatallchangeswehavetobedonefromJBossendinstandaloneanddomainfiles

Standalone

1. FirstyouwouldhavetofollowallthestepsgiveninthelinkHowtocreateclusterinJBossAS7.1instandalonemode?andthenmakethebelowchangesinallthestandaloneservers.

2. Giveauniquenameintheserverelement,asshownbelow.

standalonenode1

standalonenode2

3. Astoldearlieryouwouldhavetoaddtheinstanceidattributeinwebsubsystemasshownbelowinboththestandalonenodes.

01 ###############mod_clusterSettingSTARTED###############02 LoadModuleslotmem_modulemodules/mod_slotmem.so03 LoadModulemanager_modulemodules/mod_manager.so04 LoadModuleproxy_cluster_modulemodules/mod_proxy_cluster.so05 LoadModuleadvertise_modulemodules/mod_advertise.so06 07 Listen1.1.1.1:8008 09 10 11 Orderdeny,allow12 Allowfromall13 14 15 SetHandlermod_clustermanager16 Orderdeny,allow17 Allowfromall18 19 KeepAliveTimeout6020 ManagerBalancerNamemycluster21 ServerAdvertiseOn22 23 ###############mod_clusterSettingENDED###############

1

1

1



4. Lastyoujusthavetoaddtheproxylistintheattributeinmodclusterconfigofmodclustersubsystem,whichwouldbehavingIPAddressandPortonwhichyourApacheserverisrunningso

thatJBossservercancommunicatewithit,asshownbelowinboththestandalonenodes.

IfeverythingisconfiguredproperlyyoucanhittheURL=http://1.1.1.1/mod_clustermanagerwhichwouldshowsimilarbelowscreen.Belowimageisshowingwhenclusterisbeenmadeinonthesame

boxusingstandalonemode

mod_clusterforStandaloneonthesamebox

Domain

1. FirstyouwouldhavetofollowallthestepsgiveninthelinkHowtocreateclusterinJBossAS7.1indomainmode?andthenmakethebelowchangesinyourdomainfile.

2. Wewouldhavetoaddtheinstanceidattributeinwebsubsystemasshownbelowindomain.xmlfortherespectiveprofilehaandfullhawhichisbeenused.

3. Lastyoujusthavetoaddtheproxylistintheattributeinmodclusterconfigofmodclustersubsystem,whichwouldbehavingIPAddressandPortonwhichyourApacheserverisrunningso

7

1 2



thatJBossservercancommunicatewithit,asshownbelowindomain.xmlfortherespectiveprofilehaandfullhawhichisbeenused.

IfeverythingisconfiguredproperlyyoucanhittheURL=http://1.1.1.1/mod_clustermanagerwhichwouldshowsimilarbelowscreen.Belowimageisshowingwhenclusterisbeenmadeinonthesame

boxaswellasinremoteboxusingdomainmode.

SameBox

mod_clusterforDomainmodeonthesamebox

RemoteBox

mod_clusterforDomainmodeonRemotebox

Testing

InallourpreviousarticlewehadaskedyoutouseoneofourapplicationcalledClusterWebAp,thisisthetimewhenwewouldbetestingifourclusterisworkingproperlywithmod_clusterconfiguration.

1 2



1. OnceeverythingthingisbeenconfiguredandhavebeenstartedupproperlyyoucanhittheapplicationusingApacheURLasshownbelowandyouwouldseesomethinglikeinthesnapshot

ClusterWebApp

2. Supposethefirstrequestgoestostandalonenode2,youcanseethereisasessionidwhichisbeengenerated.Nowyoujusthavetoshutdownyourstandalonenode2andthenclickonthelink

ClickHeretomovetonextPagesessionCheck.jsponthesamepage.3. Onceyouclickonthelink,youwillnoticethattherequesthasbeenservedbythestandalone

node1thistimeasnode2hadbeenbroughtdown,butthesessionidremainsthesamewhichwascreatedearlierhavingthesametimestampasshownbelow

SessionReplication

WiththistestitisclearthatourclusterisworkingfineasthesessionreplicationishappeningproperlyonJBossusingmod_cluster.

Issuesyoumightface

Ifyouhavenotgiventheinstanceidinthedomain.xmlfileforhaorfullhaandhaveastepupaclusterwhichishavingamod_clusterinfrontofthemyoumightgetthefollowingerrorinthelogs.

1 http://1.1.1.1/ClusterWebApp

1 [Server:haserver1]20:29:36,429ERROR[org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler](ContainerBackgroundProcessor[StandardEngine[jboss.web]])Error[MEM:MEM:Oldnodestillexist:{2 [Server:haserver2]20:29:37,426ERROR[org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler](ContainerBackgroundProcessor[StandardEngine[jboss.web]])Error[MEM:MEM:Can'treadnode:{3 [Server:haserver2]20:29:47,432ERROR[org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler](ContainerBackgroundProcessor[StandardEngine[jboss.web]])Error[MEM:MEM:Oldnodestillexist:{4 [Server:haserver1]20:29:56,441ERROR[org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler](ContainerBackgroundProcessor[StandardEngine[jboss.web]])Error[MEM:MEM:Can'treadnode:{



Forthisyoujusthavetofollowthestep2ofDomainconfiguration,whichwouldfixthisissue.

Apache,Cluster,JbossAS7,JBossAS7,mod_cluster2Commentsmore...

11Jun/12

CreatingTCPclusterinJBossAS7.1instandalonemode?

byAuthor_2underCluster,JbossAS7,JBossAS7

InmypreviousarticlewehadseenHowtocreateclusterinJBossAS7.1instandalonemode?whichwasusingUDPprotocol.

BydefaultJBossAS7usesUDPprotocol,butforsecurityconstrainssomecompaniesdonotopen/allowtouseUDPprotocolormulticastaddresses,henceduringthattimeTCPprotocolorunicastaddresscan

beusedtocreateaclusterwhichisalsosupportedbyJBossAS7.

InthisarticlewewouldbeshowingyouhowyouusestandalonemodetocreateaclusterusingTCPprotocol.Howeverasweallknowinstandalonemodewehavedifferentxmlfilesunderthe

configurationfolderfromwhichclusterisenabledinstandaloneha.xmlandstandalonefullha.xml,thusmakesureyouwouldbeusingthemandnototherxmlfiles.

InthisarticlewewouldbeusingJBossAS7.1.1FinalwhichisthelatestversionofJBossincommunityversion.

StepstocreateaTCPclusterinJBossAS7.1instandalonemode

Wewouldbeseeingtwoscenarioshereonewouldbecreatingaclusteronthesameboxandsecondwhencreatingaclusterbetweendifferentboxes.

Scenario1:Clusteronsamebox

1. Onceyouhaveunzippedjbossas7.1.1.Final.zip,youwouldhavetocreatetwocopiesofstandalonefolderandrenamethemasstandalonenode1andstandalonenode2asshownbelow

Note:Makesureyoukeeptheoriginalcopyforstandalonefolderasitisforfutureusage.

1 /home/user/jbossas7.1.1.Final/standalonenode12 /home/user/jbossas7.1.1.Final/standalonenode2



2. Inboththestandalonenodexyouwouldhavetomakethefollowingchangesinstandaloneha.xmlfilestotellJBosstostarttheclusterinTCPprotocol

From:

To:

01



Note:Followingarethechangesmade

1. Wehavereplaceddefaultstack=udptodefaultstack=tcpinthesubsystemelement.2. AndaddedTCPPINGprotocolelementwithitssubelements

Where:initial_hosts=isalistofcommaseperatedcomboofIP_ADDRESSandPORTforpinging.

num_initial_members=specifiesthemaximumnumberofresponsestowaitfor.port_range=specifiestherangeofportstopingoneachhostintheinitial_hostslist.timeout=specifiesthemaximumnumberofmillisecondstowaitforanyresponses.

3. NowyouwouldhavetorunthebelowcommandtostartboththeJBossnodeinacluster

Node1

Node2

Where:c=isforserverconfigurationfiletobeused

b=isforbindingaddressDjboss.server.base.dir=isforthepathfromwherenodeispresent

Djboss.node.name=isforthenameofthenodeDjboss.socket.binding.portoffset=isfortheportoffsetonwhichnodewouldberunning

Note:Howeverweneedtokeepinmindthefollowingthings

1. Boththenodesshouldhaveuniquenodenames2. Boththenodesshouldhaveuniquesocketbindingportoffsetsastheyarerunningonthe

samebox4. Onceboththenodecomesupproperlyyouwouldnotseethemincluster,hencetomakesureif

bothofthenodesareinaclusterthenyouwouldneedtodeploytheanapplicationwhichhasthedistributabletaginweb.xml.Youcandownloadoneofoursampleclusteredapplicationby:

clickinghere5. AfterdownloadingtheClusterWebApp.waryoujusthavetokeepitin(/home/user/jbossas

7.1.1.Final/standalonenodeX/deployments)bothnodesdeploymentsfolder,justafterthatyouwouldseesimilarbelowmessagesinboththenodesprompt,havingbothnodenamesinthere

clusterview.

22 23 24 25 26 27 28

1 ./standalone.shcstandaloneha.xmlb10.10.10.10Djboss.server.base.dir=../standalone

1 ./standalone.shcstandaloneha.xmlb10.10.10.10Djboss.server.base.dir=../standalone



Scenario2:Clusterondifferentboxes

1. AfterunzippingJBossAS7inboththeboxes[i.e.box1=10.10.10.10andbox2=20.20.20.20]thenyoucancreatejustasinglecopiesofstandalonefolderinrespectiveboxes

Box1:10.10.10.10

Box2:20.20.20.20

2. InboththestandalonenodexyouwouldhavetofollowthesameStep2ofScenario1,howeveronlyonechangewouldbethereininitial_hostsyouwouldhavetogivebothboxes

IP_ADDRESSasshownbelow


Node1onBox1[10.10.10.10]

Node2onBox2[20.20.20.20]


1. Boththenodesshouldhaveuniquenodenames2. BoththenodesshouldberunningontheIP_ADDRESSorHOST_NAMEofthebox

Herewewouldnothavetoworryabouttheportconflictsaswearerunningboththenodeson

1 21:49:11,988INFO[stdout](pool14thread1)2 21:49:11,989INFO[stdout](pool14thread1)GMS:address=node2/web,cluster=web,physicaladdress=3 21:49:11,989INFO[stdout](pool14thread1)4 .5 .6 21:49:15,954INFO[org.infinispan.remoting.transport.jgroups.JGroupsTransport](pool7 .

1 /home/user/jbossas7.1.1.Final/standalonenode1


1 2 10.10.10.10[7600],20.20.20.20[7600]



differentboxeshavingdifferentbindingaddress.

4. Repeatthesamestep4andstep5ofScenario1andyouwouldthenseethesameclusterviewineachrunningnodesprompts.

Cluster,JbossAS7,JBossAS71Commentmore...

11Jun/12

HowtocreateclusterinJBossAS7.1indomainmode?

byAuthor_2underCluster,JbossAS7,JBossAS7

InmylastarticlewehadseenHowtocreateclusterinJBossAS7.1instandalonemodenowinthisarticlewewouldbedoingthesamebutindomainmode.

Indomainmodewewouldbeusingtwomainxmlfilescalleddomain.xmlandhost.xmlfileswhichhastobeusedforcreatingthiscluster.

InthisarticlewewouldbeusingJBossAS7.1.1FinalwhichisthelatestversionofJBossincommunityversion.NowletsseehowcanwecreateclusterinJBossAS7.1indomainmode.

StepstocreateaclusterinJBossAS7.1indomainmode



1. Downloadandunzippedjbossas7.1.1.Final.zip2. Nowin/home/user/jbossas7.1.1.Final/domain/configuration/domain.xmlfilemakethebelow

changes,whichisjustaddinganewservergroup(i.e.haservergroup)whichwouldbeusinghaprofileandhasocketssocketbindinggroup,wherehaisforclusterenabled.

01



Where:

1. profile:tellswhichtypeofprofileisbeenused(i.e.web,messaging,cluster,full)2. socketbindinggroup:tellswhichalltypeofprotocolsisbeenused(i.e.web[http,ajp],

messaging,jgroups[udp,tcp],full)3. servergroup:tellswhatprofileisbeenusedandwhattypeofsocketsisbeenused

3. Afterthatyouwouldhavetomakethebelowchangesin/home/user/jbossas7.1.1.Final/domain/configuration/host.xmlfilewhichisjustaddingtwonewJBossnodeswiththenamehaserver1andhaserver2whichareusingthehaservergroupservergroupcreatedin

thepervioussetpandmakingthisserversclusterdenabled

Note:Youaregivinguniquenameandportoffsetfortheseservers,asboththeserversarerunningonthesamebox.

4. CreateaManagementUserusingtheadduser.shscriptasshownbelow.Thisisdonesothatwecanaccessadminconsole.

02 03 04 05 06 07 08 .09 .10

01 02



5. Onceeverythingisdonestartyourserverbyusingthebelowcommand,howeveryouwouldnotseethatthenodeshaserver1andhaserver2areinaclusterforthatyouwouldhavetodeploy

anapplicationwhichhasthedistributabletaginweb.xml.

6. Nowyoucandownloadoneofoursampleclusteredapplicationby:clickinghereanddeployitfromadminconsolefromtheURLhttp://localhost:9990/console

Addingtheapplication

Choosingapplicationfile

12 ReenterPassword:testpassword13 Abouttoadduser'testuser'forrealm'ManagementRealm'14 Isthiscorrectyes/no?yes15 Addeduser'testuser'tofile'/home/user/jbossas7.1.1.Final/standalone/configuration/mgmtusers.properties'16 Addeduser'testuser'tofile'/home/user/jbossas7.1.1.Final/domain/configuration/mgmtusers.properties'

1 ./domain.sh



Verifyingthedeployedapplicaitonname

Addingthedeployedapplicaitontoaservergroup

Selectinghaservergroupforgettingtheapplicationdeployed

7. Justafterdeployingapplicationandaddingittohaservergroupyouwouldseethebelowclusterviewinthepromptinwhichthedomainisrunning.

1 [Server:haserver2]15:12:33,971INFO[org.jboss.web](MSCservicethread2 [Server:haserver2]15:12:34,239INFO[org.jboss.as.clustering.impl.CoreGroupCommunicationService.lifecycle.web](Incoming3 [Server:haserver2]15:12:34,242INFO[org.infinispan.remoting.transport.jgroups.JGroupsTransport](Incoming4 .5 .6 [Server:haserver1]15:12:34,377INFO[org.infinispan.remoting.transport.jgroups.JGroupsTransport](pool




1. AfterunzippingJBossAS7inboththeboxes[i.e.box1=10.10.10.10andbox2=20.20.20.20]choosewhichoneoftheboxeswouldbeworkingasadomaincontrollerandotherashost

controller2. Supposeyouchoosebox1[10.10.10.10]asdomaincontrollerthenyouwouldhavetofollow

Step2andStep3ofScenario1,creatingonlyoneJBossserverwhichishaserver13. Forthebox2[20.20.20.20]whichwouldbeworkingasahostcontrollerhavingthenamehost1,

nowonlyfollowStep3ofScenario1,thisisbecausewewouldbeusingdomain.xmlofthedomaincontrollerandcreatingtheotherJBossserverwhichishaserver2.

4. OnceyouhavedonewiththeabovechangesyouwouldhavetofollowthestepsgiveninthearticleHowtostartJBossAS7.1indomainmode?andthebelowimagewouldgiveyouabetter

understandingofthearchitecture

5. NowthelastthingwhichyouwouldhavetodoistodeploytheapplicationusingtheconsolewhichwouldberunninginthedomaincontrollerhenceyouwouldbeusingtheURL

http://10.10.10.10:9990/consoleandrepeattheStep6ofScenario16. Onceeverythingisdoneproperlyyouwouldseesimilarbelowlinesinrespectivepromptsof

domainandhostcontroller

Cluster,JbossAS7,JBossAS72Commentsmore...

6Jun/12

HowtocreateclusterinJBossAS7.1instandalonemode?

byAuthor_2underCluster,JBossAS7

7 [Server:haserver1]15:12:34,378INFO[org.infinispan.remoting.transport.jgroups.JGroupsTransport](pool

1 [Server:haserver1]19:39:29,458INFO[org.jboss.as.clustering.impl.CoreGroupCommunicationService.lifecycle.web](Incoming



WehaveseenthatJBossAS7istotallydifferentthentheearlierversionsofJBoss,henceifyouwanttocreateaclusterinJBossAS7therearefewthingswhichhasbeenchange

andhastobeknownorelseyouwouldfaceissues.

InJBossAS7wehavebydefaulttwomodeswhicharedomainmodeandstandalonemode,inthisarticlewewouldbeusingstandalonemode.Howeverinstandalonemodealsowehavedifferentxml

filesundertheconfigurationfolderfromwhichclusterisenabledinstandaloneha.xmlandstandalonefullha.xml,thusmakesureyouwouldbeusingthemandnototherxmlfiles.

InthisarticlewewouldbeusingJBossAS7.1.1FinalwhichisthelatestversionofJBossincommunityversion.NowletsseehowcanwecreateclusterinJBossAS7.1

StepstocreateaclusterinJBossAS7.1



1. Onceyouhaveunzippedjbossas7.1.1.Final.zip,youwouldhavetocreatetwocopiesofstandalonefolderandrenamethemasstandalonenode1andstandalonenode2asshownbelow

Note:Makesureyoukeeptheoriginalcopyforstandalonefolderasitisforfutureusage.


Node1

Node2

Where:c=isforserverconfigurationfiletobeused

b=isforbindingaddress

1 /home/user/jbossas7.1.1.Final/standalonenode12 /home/user/jbossas7.1.1.Final/standalonenode2

1 ./standalone.shcstandaloneha.xmlb10.10.10.10u230.0.0.4Djboss.server.base.dir=../standalonenode1Djboss.node.name=node1Djboss.socket.binding.portoffset=

1 ./standalone.shcstandaloneha.xmlb10.10.10.10u230.0.0.4Djboss.server.base.dir=../standalonenode2Djboss.node.name=node2Djboss.socket.binding.portoffset=



u=isformulticastaddressDjboss.server.base.dir=isforthepathfromwherenodeispresent

Djboss.node.name=isforthenameofthenodeDjboss.socket.binding.portoffset=isfortheportoffsetonwhichnodewouldberunning


1. Boththenodesshouldhavesamemulticastaddress2. Boththenodesshouldhavedifferentnodenames3. Boththenodesshouldhavedifferentsocketbindingportoffsets

3. Onceboththenodecomesupproperlyyouwouldnotseethemincluster,hencetomakesureifbothofthenodesareinaclusterthenyouwouldneedtodeploytheanapplicationwhichhasthedistributabletaginweb.xml.Youcandownloadoneofoursampleclusteredapplicationby:

clickinghere4. AfterdownloadingtheClusterWebApp.waryoujusthavetokeepitin(/home/user/jbossas

7.1.1.Final/standalonenodeX/deployments)bothnodesdeploymentsfolder,justafterthatyouwouldseesimilarbelowmessagesinboththenodesprompt,havingbothnodenamesinthere

clusterview.


1. AfterunzippingJBossAS7inboththeboxes[i.e.box1=10.10.10.10andbox2=20.20.20.20]thenyoucancreatejustasinglecopiesofstandalonefolderinrespectiveboxes

Box1:10.10.10.10

Box2:20.20.20.20

2. NowyouwouldhavetorunthebelowcommandtostartboththeJBossnodeinaclusterNote:Howeverweneedtokeepinmindthefollowingthings

1. Boththenodesshouldhavesamemulticastaddress2. Boththenodesshouldhavedifferentnodenames3. BoththenodesshouldberunningontheIP_ADDRESSorHOST_NAMEofthebox

Node1onBox1[10.10.10.10]

1 18:32:46,863INFO[stdout](pool13thread1)2 18:32:46,863INFO[stdout](pool13thread1)GMS:address=node1/web,cluster=web,physicaladdress=3 18:32:46,863INFO[stdout](pool13thread1)4 18:32:47,572INFO[org.infinispan.configuration.cache.EvictionConfigurationBuilder](MSCservicethread5 18:32:47,581INFO[org.infinispan.configuration.cache.EvictionConfigurationBuilder](MSCservicethread6 18:32:47,771INFO[org.infinispan.remoting.transport.jgroups.JGroupsTransport](pool7 18:32:47,791INFO[org.infinispan.remoting.transport.jgroups.JGroupsTransport](pool



1 ./standalone.shcstandaloneha.xmlb10.10.10.10u230.0.0.4Djboss.server.base.dir=../standalonenode1Djboss.node.name=node1



Node2onBox2[20.20.20.20]

Herewewouldnothavetoworryabouttheportconflictsaswearerunningboththenodesondifferentboxeshavingdifferentbindingaddress.

3. Repeatthesamestep3andstep4ofScenario1andyouwouldthenseethesameclusterviewineachrunningnodesprompts.

Ifyouarelookingforrunningmultipleclusters,thenyouwouldhavetomakesureyougiveadifferentsetofmulticastaddress(i.euoption)foreachcluster.

Cluster,JbossAS7,JBossAS75Commentsmore...

24Dec/11

HowtofixWARNING[org.hornetq.core.server.impl.HornetQServerImpl](MSCservice

thread15)Securityrisk!inJBossAS7

byAuthor_2underBignners,Cluster,HornetQ,JbossAS7,JBossAS7,JMS,security

IfyouhavestartedJBossAS7.1.0.CR1standalonefull.xmlprofileyoumusthavenoticedthatyouwouldbegettingthebelowWARNINGmessage.Howeverasthisjustawarningmessageandwouldnothamperyoursetupbutwarningisawarning,henceIhadtolookwhythiswascomingupwhenIwas

startingthedefaultstandalonefull.xmlprofilethusstartedmyinvestigation,ifyouguysrememberthatinearlierversionsofJBosshadasimilarwarningwhichwassuckerpasswordwhichcanbefixedby

goingthroughthisarticleHowtosetJBossMessageSuckerPasswordinJBossAS6,similarlywecanevenfixthiswarningmessagebyfollowingthebelowsteps.

.

WarningMessage:

1 ./standalone.shcstandaloneha.xmlb20.20.20.20u230.0.0.4Djboss.server.base.dir=../standalonenode2Djboss.node.name=node2

1 22:34:54,728INFO[org.apache.coyote.http11.Http11AprProtocol](MSCservicethread2 22:34:54,876WARNING[org.hornetq.core.server.impl.HornetQServerImpl](MSCservicethread3 22:34:55,045INFO[org.jboss.as.jacorb](MSCservicethread18)CORBAORBServiceStarted4 22:34:55,276INFO[org.jboss.as.jacorb](MSCservicethread16)CORBANamingServiceStarted



Stepstofixthiswarningmessage:ByjustfollowingthewarningmessagesaysandaddtheclusteruserandpasswordfortheHornetqto

overcomethisissue

1. Stopyourrunningserver2. Open/jbossas7.1.0.CR1/standalone/configuration/standalonefull.xmlfile3. Nowjustaddclusteruserandclusterpasswordtagswithitsvalueunderhornetqserveras

shownbelow

4. Restartyourserverusingthebelowcommand

Youwouldnoticenowthewarningmessagewhichwascomingearlierhasbeenfixed.

Regards,MiddlewareMagic

HornetQ,JbossAS7,JBossAS7,securityLeaveaCommentmore...

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1 ./standalone.shcstandalonefull.xml



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