deployment for load balancing

971 byte By SanjeevAgarwal at 2007-11-25 4:57:54
Hi,I am deploying my application to our iAS cluster.I setup the cluster successfully before and use the cluster-jsp sampleprograms to test the load balance and it works well.I deployed our application to the iAS cluster but seems that it cannotperform load balancing.we are using round robin ...

Servlet failover within iAS 6.0 SP3 cluster.

2264 byte By SanjeevAgarwal at 2007-11-25 4:57:55
Hi June,First of all sorry for delay in reply, I was very busy with my work.I hope you have deployed the application on both of the iAS serversand have already made all the required changes for these sessionspecific registry keys.If cluster-servlet is wroking fine that means your cluster is ...

KJS crush.

2221 byte By at 2007-11-25 4:57:56
I have kjs crush problem on sp3, which appear on both NT and Sun Solaris platforms.Application includes above 100 servlets and 100 ejbs.I have put a piece of code, where this problem occur and piece of kjs log file below.code:- --try { // getting enumeration of ALL win entities in AFSL combo ...

IPlanet sticky load balancing question

813 byte By 709275 at 2007-11-25 4:57:57
We have two iPlanet Application Servers v6.0 sp3 and two iPlanetEnterprise Web servers v4.1. All machines are on the same domain name. All machines point to the same LDAP server. The application has beeninstalled on both App servers. Clustering has been configured in theApp server Admin tool to ...

session-timout problem in clustered environment

805 byte By 708857 at 2007-11-25 4:57:58
Hi Everyone,We have two iPlanet Application Servers v6.0 sp3 and two iPlanetEnterprise Web servers v4.1.Clustering has been configured in theApp server Admin tool to be based upon system load. For non-sticky loadbalancing, all works fine, and session information is carried overproperly.Now the ...

IP problem in iAS?

622 byte By 709206 at 2007-11-25 4:57:59
HiI sometimes telecommute to work with my laptop. Am using winNT andunfortunately, with iAS whenever theres a change in the IP address (eitherthru my ISP OR when I work onsite/offsite) the server does not work.OniAS6.0 there's no easy solution to change the IP address cos the change IPaddress ...

Why is cluster information greyed out for some nodes in iAS Admin tool?

159 byte By 709276 at 2007-11-25 4:58:00
Some nodes in the cluster don't allow changes to 'Cluster Name', 'Maximum Number of Sync Backups' etc. in the admin tool / cluster tab. Why?

Will round-robin load balancing do fail-over of connection from the web connector?

636 byte By 709277 at 2007-11-25 4:58:01
I've configured our servers to do round-robin load balancing. However when I kill one of the servers after making a connection, the web connector seems to keep me stuck to that server. Subsequent request from the same browser get an error that no server is available at xxx.xxx.xxx:xxx. However ...

Clustering and UDP

254 byte By 709278 at 2007-11-25 4:58:02
HelloI am working in an envieonment with a cluster of 3 app. servers. We arewondering if it is possible torun these with UDP being disabled. Any information would be helpful...Thanks in advance.Chris Doran

Can UDP be turned off with clustered application servers (IAS 6 sp3)

14 byte By 709279 at 2007-11-25 4:58:03

"Can Sync Alternate take part in load balecing?"

14 byte By sivaprasadmasina at 2007-11-25 4:58:04

How many ipalnet servers can takepart in single cluster?

73 byte By sivaprasadmasina at 2007-11-25 4:58:05
If thare is any restriction then, what is the ideal number?

Hi,How to do cluster rmi applications IAS6.0sp3 environment?

14 byte By sivaprasadmasina at 2007-11-25 4:58:06

Web-based iPlanet/J2EE forum

609 byte By SanjeevAgarwal at 2007-11-25 4:58:07
Hi,There is a forum at JavaRanch (most popular Java related forum on theweb). Each week several books are givenout to the participating members at various forums. You will also findmany of the top selling Java/J2EE bookauthors participating in many of the forums.It's all free and anyone is ...

Disabling UDP and it effects on failover

201 byte By 709278 at 2007-11-25 4:58:08
Hello,This is a follow-up to the disabling UDP question. Once thishas been disable, what effect does this have on the failovercapabilitites?Thanks,Chris

Upgrade of Iplanet system.

1097 byte By 708857 at 2007-11-25 4:58:09
Hi,I need some help here. Hope that somebody can enlighten me on this.I have the following setup2 web servers running iWS 4.1 SP5 in 2 different machines with webconnectors installed. Web connector version is iAS 6.0 SP1 Release B2 App servers that forms up an iAS cluster running iAS 6.0 SP1 ...

Problem with cluster stateful session bean example

1919 byte By 709281 at 2007-11-25 4:58:10
Hi,I'm trying to get the cluster stateful session bean example to work on mycluster with iAS 6.0SP3 on Solaris.I installed a clean cluster environment. The first sample-app, thecluster-servlet works fine. The other, the cluster-sfsb appears to workfine, too. But after sending about 20 ...

Im having a problem with stateful session beans in Iplanet running IAS6.0 with SP2 (clustered),s

87 byte By 709283 at 2007-11-25 4:58:11
I get the following:error: EB-013: Unable to create timer for home

How to enable JVM profiling with iAS to locate performance bottlenecks

1397 byte By 709131 at 2007-11-25 4:58:12
Dear Sir,Refer to Article ID: 4969, i want to enable JVM profiling with iAS.But according to the procedure, i need to add one line to one variableJAVA_ARGS on kjs, but i can't found this variable. I try to manually addthis line.JAVA_ARGS="-Xrunhprof:cpu=samples,depth=6,thread=y -Xss512k ...

How should I configure load balance properties (round-robin or web-connector driven) using krege

675 byte By 709271 at 2007-11-25 4:58:13
I configured two Servers in a cluster using kregedit. After complition of that, I have tested for fortune application. It is working fine individually. But it is not load-balance the application, if one system goes down. I have given domain,path,session implementation and dsync-type as per IAS ...

Can i migrate the Server Certificate from F5 load balancer to iWS4.0SP7

411 byte By 709131 at 2007-11-25 4:58:14
Dear sir,My customer use a F5 load balancer, with a Server Cert, Can i migratethe Server Certificate from F5 load balancer to iWS4.0SP7. He assumethat all the setting (common name, IP, hostname... ) are the same. As iknow, we can migrate the cert. from 3.x to 4.x, but how about the ...

JRE version

221 byte By 708857 at 2007-11-25 4:58:15
Hi,How can I upgrade the JRE version of my iPlanet server 6.0 SP2? Atpresent my servers version is 1.2.2. I want to upgrade to JRE 1.3.1. orto JRE 1.4 beta3. Is it possible?Murali

Maximum processing numbers of iAS cluster

727 byte By 709139 at 2007-11-25 4:58:16
Hi,I made cluster with 2 iAS sparc servers, and took loads to 1 iWS NT serverconnecting that cluster. iAS servers are 4 cpu and 2 cpu machine each.I deployed test programs and set RoundRobin (weights are 200 for 4 cpusserver and 100 for 2 cpus server) loadbalancing method.In the monitoring ...

Encryption

261 byte By 709278 at 2007-11-25 4:58:17
Hello,For IPlanet 4.1 SP8, what are the browser encryption level requirements(for example, 128bit) for website visitors? Also, what happens when avisitors browser does not meet the requirements? ThanksChris

Clustering

115 byte By 709278 at 2007-11-25 4:58:18
Is it possible to have multiple ip addresses assigned to one instance of IASthanksChris

Directory Server setup location?

422 byte By 709139 at 2007-11-25 4:58:19
Hi,I want to make cluster with 3 ias servers, and use"Round Robin" or "Server Response Time" for LB.Currently I installed directory server for each ias serverand made cluster. But I can not figure out that It is findconfiguration, my customer want to use another serverfor directory server ...

Exception - CANNOT_FETCH_DB_CONNECTION

1217 byte By 709284 at 2007-11-25 4:58:20
I recently installed iplanet AS sp3 and was trying to create a cluster at the administrator.apm. How ever, the following error was returned at the stage of connecting to the database:*start of error msg*Exception - CANNOT_FETCH_DB_CONNECTION Message: Cannot fetch a database connection Detail: ...

NAS 4.0 SP# cluster broken on 2.6 latest recommended patches

690 byte By 709285 at 2007-11-25 4:58:21
Subject pretty much says it all.Cluster running for > 1yr. Some issues, but generally stable. Systems (Sun 4500, Solaris 2.6) patched over weekend. NAS runs fine on 1 box, but lags/stops when second machine enters cluster.Interestingly, there's nothing indicative in the error logs - all ...

about session!

107 byte By 709134 at 2007-11-25 4:58:22
How can i share session in two war packages and in one ias server?Thank you very much!

Porting existing app... Need help with cluster and sticky load balancing!

1277 byte By 709286 at 2007-11-25 4:58:23
I'm porting an old app to IAS (6.0, SP3, Solaris), and am running into a few problems that I could use help with.The app requires sticky load balancing, which I tried to implement using a cluster. However, in the app folders view (in Application view in iASAT), my application does not appear ...

Web Connector Problem

785 byte By 709274 at 2007-11-25 4:58:24
Hi,I have an problem with my web connector. Details are as below.I have installed web server and web connector.I have 2 Appln Servers Appln Server A (primary) and Appln Server B(secondary).While Configuring Web Connector, I have provided the IP Address and PortNo's of Primary Server.When I ...

Servlet Call ?

1158 byte By 709139 at 2007-11-25 4:58:25
Hi~I want to call undeployed servlet like this~ http://ip:port/NASApp/ABC/aaa.bbb.ccc.ddd?a=zI deployed ROOT.war module, so ROOT directory has made inias/APPS/modules. After that I copied my servlet classes in~/ROOT/WEB-INF/classes directory.--- make Directory and copy Servlets in ...

Failover but not loadbalanced

405 byte By 709287 at 2007-11-25 4:58:26
Hi , Can I deploy a webapp or application on two nodes in a cluster such that they are the whole webapp is failed over when one node goes down , but the app is not load balanced. That is I want the webapp to work only on one node at a time. When this node goes down , all requests to the webapp ...

Topic: "iAS Clustering: the best practices"What is the best and productive way to configure clus

14 byte By RakeshGarishakurthi at 2007-11-25 4:58:27

How to make two NT cluster in a same network?

365 byte By sivaprasadmasina at 2007-11-25 4:58:28
We are having 2NT m/c one clusteer and 2NT M/c in other cluster.Both clusters having same application installed and same configuration.The problem we are facing is some of the requested for a perticular cluster(say firest cluster) is going to other(Second).How can we dissable communication ...

UTFDateFormat Exception

14 byte By 709288 at 2007-11-25 4:58:29

does NAS4.0 support application variables in mutli server(APP) environment?

116 byte By 709289 at 2007-11-25 4:58:30
hi all,does NAS4.0 support application variables in mutli server(APP) environment?thanks

hardware clustering

129 byte By 709290 at 2007-11-25 4:58:31
Is there a special high availability agent for iPlanet application server for the sunplex/Sun cluster 3.0 platform?

Error code on iplanet Fasttrack: "warning ( 1096): RqThrottle value limited to 16 in this server

14 byte By 709291 at 2007-11-25 4:58:32

Is there a way to Cluster IAS with IBM Websphere?

555 byte By 709128 at 2007-11-25 4:58:33
I have IAS1 and IAS2 clustered Together as Cluster1. I have IBM Webshpere3.5.2. An Application is deployed in IAS following IAS deployment procedures. The same Application is deployed in Websphere using Websphere deployment procedures.Application runs fine in both the environments.Now i wish to ...

Is there any failover/load balancing among kjs engines on a single ias server?

270 byte By cocoila at 2007-11-25 4:58:34
I guess the question pretty much says it all. To be more explicit, if a kjs engine crashes, would all requests in progress be re-attempted on a different kjs? Also, at what level is the user session information stored (kjs, kxs)? Thanks a lot

problem with iAS clustering

1091 byte By 709293 at 2007-11-25 4:58:36
i have setup a iplanet application server cluster with 2 server instances. one web server forwards http request to the primary one. all these share a single ldap server.i have 2 questions:1) during the server startup, i checked the log and found 2 warning messages below[02/Apr/2002 11:04:04:5] ...

What is the exact meaning of lite and distributed session

472 byte By 709287 at 2007-11-25 4:58:37
I seem to have some conflicting notion of what is a lite session Primarily let us assume that we have a 2 node cluster with multiple KJS on each node Can anyone clarify where the session will be stored ( KJS, KXS , KXS synced with other KXS engines ) in each of the following cases A) ...

APPLOGIC-caught_exception: Caught Exception:

572 byte By 709146 at 2007-11-25 4:58:38
Hello,After starting the app, the first steps seem to work fine.It goes to the DB and and displays data.After pressing BACK in the application, it should return to the previous page,however I get:NullPointerException and the stack reads like this:APPLOGIC-caught_exception: Caught ...

When do you employ the "Clustra" product versus the SunCluster 3.0 product?

14 byte By 708921 at 2007-11-25 4:58:39

iPlanet web server farm on Suncluster3 or how does the load balancing works together with multip

1103 byte By 709294 at 2007-11-25 4:58:40
In a typical 3-tier architecture with multiple hosts we have the following configuration: DB-tier: Oracle 9i RAC on a SunCluster3 (pair configuration)middle-tier: iAs 6.x on multiple hosts clustered with dSync (not SC3)web-tier: iWs (iEs) 6.x on multiple hosts 3 QUESTIONS: If we would put the ...

Deploying a WAR to a cluster issue

1257 byte By 708935 at 2007-11-25 4:58:41
Hi,My question is that, in cluster environment after a WAR file is deployed, I use iAS Admin tool to locate the WAR file. Then I highlight the specific servlet and click on the "Servlet Component Properties" button. A dialog box popups that list out all registered server (in cluster ...

On an Unclustered multiCPU machine, is it possible to multiple JVMs? What is the difference betw

14 byte By 709296 at 2007-11-25 4:58:42

Can I modify cluster configuration on the fly

287 byte By 709298 at 2007-11-25 4:58:44
If we have say 3 iAS instances in a cluster.Is it in any way possible to remove one of the iAS instances from the cluster while the cluster is still online. My understanding is that any change to cluster requires restarting all instances in cluster. Is that correct?

Can iAS multicast group cross clusters & machines

977 byte By 709298 at 2007-11-25 4:58:45
Say I have 2 clusters C1 & C2 deployed on different machines. Each cluster has 2 iAS instances. All components have Sticky flag.Now I have 2 web servers iWS1 & iWS2 (on separate machines too).A load balancer distributes requests between web servers using server affinity rule.I would ...