Idocscript variable !--$REMOTE_ADDR-- is returning Load balancer IP
Hi ,
idocscript variable <!--$REMOTE_ADDR--> is returning Load balancer IP. Its not returning Client IP. we have X-forwarding enabled at Apache level.
Any insight into this?
thanks,
Edited by: user4884609 on Jan 18, 2012 1:35 PM
According to the documentation, http://docs.oracle.com/cd/E14571_01/doc.1111/e10726/c06_core_ref200.htm ,
Returns the IP address of the remote host making the request.
This variable is specific to the current gateway program request.I'd recommend to contact support (create a Metalink SR), so that your use case is properly triaged.
Similar Messages
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Followup on return event from load balanced SO
Hi folks,
I had earlier posted a message about receiving a return event from an
asynchronous call to a Load Balanced Service Object.
It turns out that return events are handled specially and that the
sample provided will work just fine as is. In other words, the return event
is mapped to the load balanced copy that it was called on.
Thanks all of you who sent such interesting work arounds.
-John
John Jamison
Sage Solutions, Inc.
353 Sacramento Street, Suite 1360
San Francisco, CA 94111
415 392 7243 x 306
[email protected]Hi folks,
I had earlier posted a message about receiving a return event from an
asynchronous call to a Load Balanced Service Object.
It turns out that return events are handled specially and that the
sample provided will work just fine as is. In other words, the return event
is mapped to the load balanced copy that it was called on.
Thanks all of you who sent such interesting work arounds.
-John
John Jamison
Sage Solutions, Inc.
353 Sacramento Street, Suite 1360
San Francisco, CA 94111
415 392 7243 x 306
[email protected] -
Error while selecting Load Balancing in JCO creation
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I have read couples of forum mentioned you need to start both Portal and ECC.
For you information my Portal and Java are both on diffrrent Box.
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Try restarting your server after making the above changes.
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Problem with WLIOTimeoutSecs in weblogic and apche CSS load balancer
Hi,
We are using Weblogic 11g, apache 2.2 and CSS load balancer for load balancing.
we have huge reports which take minutes to generate and hence we need higher value for WLIOTimeoutSecs. This works fine when we use server url but WLIOTimeoutSecs is not working when we use CSS load balancer.
We checked with our load balancing team they said CSS load balancer will not repost the request.
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<Location /*****>
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Also I observed that, none of the parameters are getting applied to the plugin. I had switched on 'DebugConfigInfo'. With this the HTTP URL with ?__WebLogicBridgeConfig as query parameter returned the complete configuration. However when accessed with HTTPS the server did not return the configuration.
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Load balancing host named site collection
I am jumping into the realm of host named site collection. While the learning experience has been good, still there are some questions unanswered. Please bare patience since my questions are long.
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using extended web application url , why binding had to be done on default zone IIS site?
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site but every change done in default zone is getting reflected on this host named site collection.
Now for load balancing , it works fine with IP? But how to load balance these host named site collection using url. I talked with f5 team and they said i need to send some reply query string from each site. Where do i do that? Or is it even needed?
Accoring to this link : https://devcentral.f5.com/articles/name-based-virtual-hosting-with-ltm
. If the site hosts an application, though, the monitor should request a dynamic page on each webserver which forces a transaction with the application to verify its health and returns a specific phrase upon success.
For application monitoring, the recommended best practice is to create such a script specific to your application, configure the monitor Send string to call that script, and set the Receive string to match that phrase.
Has any one done this before? I tired to search for resource regarding this for iis or sharepoint but was not able to get anything.
Thank you for your patience for reading such a long question.
Aditfirst part of question:
Default Web Appliction in port 80: Creating https host named site collection fails.
Extend default web application on port 443 : Https hostnamed site collection created when web application name is passed for extended web application on port 443. This means this site collection is associated with this extended web application correct? But
all the changes made in IIS only reflect if it is made to port 80 web application. Also changing authentication scheme from Central Admin, only changes on default zone reflects on site collection not the one in extended web application? Why if the site
was only created on extended web application paremeter, changes on default are reflecting on it but not from extended.
Second part of question:
Each Hostnamed site collection when load balanced thorough f5 using IP for 3 WFE uses 3 IPs for each. This way we will run out of IPs pretty soon. I want to know if there is way to load balance these sites using Hostname or anyother paramenter through f5
and if any body has done it?
https://devcentral.f5.com/articles/name-based-virtual-hosting-with-ltm link talks about sending reply string
from application but i do not know where to set it up or how to do it? No resources in the net. Just asking if any one else has done it.
Adit -
ACE load balancing servers on different subnets...
Hello,
I have the following issue.... need to load balance traffic between two servers already working in two different subnets (vlans), at this point is highly desirable to avoid changing IP addresses. Is it possible to accomplish this goal using ACE? routed or bridged mode? is it strictly necessary to have all servers belonging to a serverfarm in the same subnet?
Thanks in advanced for your support.Hi,
You can do this, but you have to use client-NAT (Source-NAT) to force the return traffic to pass back through the ACE. You also then need static routes in the ACE context to point at each server. PBR is an alternative approach but I have not implemented that in a live network. The important thing is that the ACE sees both sides of the conversation.
The following extract from a configuration shows the basic principle:
rserver host master
ip address 10.199.95.2
inservice
rserver host slave
ip address 10.199.38.68
inservice
serverfarm host FARM-web2-Master
description Serverfarm Master
probe PROBE-web2
rserver master
inservice
serverfarm host FARM-web2-Slave
description Serverfarm Slave
probe PROBE-web2
rserver slave
inservice
class-map match-any L4VIPCLASS
2 match virtual-address 10.199.80.12 tcp eq www
3 match virtual-address 10.199.80.12 tcp eq https
policy-map type management first-match REMOTE-MGMT-ALLOW-POLICY
class REMOTE-ACCESS
permit
policy-map type loadbalance first-match LB-POLICY
class class-default
serverfarm FARM-web2-Master backup FARM-web2-Slave
policy-map multi-match L4POLICY
class L4VIPCLASS
loadbalance vip inservice
loadbalance policy LB-POLICY
loadbalance vip icmp-reply active
loadbalance vip advertise
nat dynamic 1 vlan 384
service-policy input L4POLICY
interface vlan 383
description ACE-web2-Clientside
ip address 10.199.80.13 255.255.255.248
alias 10.199.80.12 255.255.255.248
peer ip address 10.199.80.14 255.255.255.248
access-group input ACL-IN
access-group output PERMIT-ALL
no shutdown
interface vlan 384
description ACE-web2-Serverside
ip address 10.199.80.18 255.255.255.240
alias 10.199.80.17 255.255.255.240
peer ip address 10.199.80.19 255.255.255.240
access-group input PERMIT-ALL
access-group output PERMIT-ALL
nat-pool 1 10.199.80.20 10.199.80.20 netmask 255.255.255.240 pat
no shutdown
ip route 0.0.0.0 0.0.0.0 10.199.80.9
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HTH
Cathy -
CF 10 Load-Balancing with Remote Instances
I was reading an article on Clustering/LB/HA using CF8, but have not found any updates for CF10.
Using VM VirtualBox to setup a few virtual servers, I am looking to setup a load balancing of ColdFusion 10 on 2 remote instances. The goal would be have ColdFusion Cluster Manager be able to point http request to one of the two servers based on load/availability. Not really having a hardware cluster/failover setup, just managing resources on two CF instances instead of a standalone.
The servers are Windows Server 2008 R2 with IIS7.5 and ColdFusion 10 Enterprise on installed on 3 of these machines. Let's call them CF-LBManager, CF-Web1, and CF-Web 2. In the CF Docs, they show the Cluster Manager adding the local CF instance and "if you want" a remote instance. However, this scenario would require the main instance to be running and not fail for it to direct to the other instance.
I am trying to set this up now with CF-LBManager as just a manager of the requests coming in. In the Enterprise Manager >> Instance Manager, the local instance is shown and I add the two remote instances with the correct Remote Port, JVM Route, etc. I also made sure the <Cluster>...</Cluster> block was added to the two remote instances (CF-Web1 and CF-Web2) \runtime\conf\server.xml file too, Jetty Services also is running. Now under the Enterprise Manager >> Cluster Manager I add the two remote instances to the cluster, not the local instance on CF-LBManager with Multicast Port and Sticky Sessions enabled. On Submit, I get a green message "You must restart all the server instances and any configured webservers for these changes to take effect.". I go ahead and reboot the servers and come back.
I now browse to the ColdFusion page as a test on CF-Web1 and CF-Web2 to make sure CF is running properly, they do. I then browse the IP of the CF-LBManager, however it only returns the local IIS web site and not redirect to one of the two cluster members. I am not seeing any message on the coldfusion-out.log on the remote instances. Am I not setting this up correctly or not enabling the Cluster Manager to take over and pass along the requests to those in the cluster?Unfortunatley I don't have a lot of experience with CF10 on Windows, but if you are running CF behind IIS I think you will need to update the Tomcat connector configuraiton to do load balancing. I'm not sure if re-running the wsconfig tool on all of the servers will do this or not, but that is what I would suggest trying first. If that doesn't work you will need to update the Tomcat connector configuraiton manually. You can find more information on load balancing with the Tomcat connector here: http://tomcat.apache.org/connectors-doc/generic_howto/loadbalancers.html.
-
How can I support a health check, from a load balancer?
My company has load balancers which use health checks to determine if the end point is available for client traffic. The basic health check is a tcp ping, and will tell you if the device is on the network. The next level of health check is an http request. This request, and the response are static, you can’t create your own version of the request and response. The standard request is this:
http://host:port/healthcheck/hc.html
The standard response is this:
“The server is available”
I want to use the load balancer as part of my total deployment. The problem is that I am not seeing how to support this health check request and response in the MDEX engine. What I see is this request
http://host:port/admin?op=ping
Will return this response
dgraph <host>: <port> responding at <day month year time>
It is nice that there is a built in ping, but I am not able to make use of it. I am new to Endeca and still poking around. The dgraph process listens on a port set up in <…>/config/script/AppContext.xml
<dgraph id="Dgraph1" host-id="MDEXHost" port="3281">
<properties>
<property name="restartGroup" value="A" />
<property name="updateGroup" value="a" />
</properties>
<log-dir>./logs/dgraphs/Dgraph1</log-dir>
<input-dir>./data/dgraphs/Dgraph1/dgraph_input</input-dir>
<update-dir>./data/dgraphs/Dgraph1/dgraph_input/updates</update-dir>
</dgraph>
(I am not using the default port, as I only have an instance on a shared server and have to worry about port clashing. But that is a different thread.)
In a standard tc Server install I can support this health check by doing this:
* Create a directory named “healthcheck”, in the “webapps” directory.
* Place a file name “hc.html” in that directory, which contains “The server is available”
The one hack which comes to mind is to write a servlet which would be able to be a smart proxy for the load balancer health check. It would pass along any regular traffic to the MDEX engine. But if the request was a health check it would send “admin?op=ping” to the MDEX engine, and for a good response from the engine, create and pass back the correct response to the load balancer.
Ideas, comments, flames, …
ThanksHi, we are using following String to test the MDEX ping response but we get the invalid version formation on dgraph.log -
following is on F5
GET /admin?op=ping HTTP/1.1/r/nHost:myhost.endeca.com:19000/r/nConnection:close/r/n/r/n
Following gets logged on Dgraph.log
WARN 09/05/12 05:30:03.799 UTC (1346823003799) DGRAPH {dgraph} Invalid version format in 'HTTP/1.1/r/nHost:myhost.endeca.com:19000/r/nConnection:close/r/n/r/n'
Please let me know - if you have any suggestions to solve this issue.
I know that it works from browser and wget from unix with following commands.
wget http://myhost.endeca.com:19000/admin?op=ping - from unix command line
from browser:
http://myhost.endeca.com:19000/admin?op=ping
Thanks,
Ram -
Hi Folks,
We have ITS 6.20 Patch level 33 installed which connects to our R/3 system. We are trying to add multiple Agate servers (not multiple Agate processes) to one Wgate. We installed agates on two hosts, host1 and host2. We then installed wgate on host1 which we connected during the time of installation to agate on host2. It connected fine and we were able to get the webgui and also able to login to R/3 system. At that time we had problem in going to native ADM instance as we were getting http 500 error (we had re-installed ADM instance on both the hosts after the whole exercise of installating agate and wgate). Hoping that we can solve native ADM problem later, we added the the second agate which is on hosts1(the same host on which wgate is) by adding the entry for agate 2 in the wgate registry xml file.
<key name="Agates">
<key name="Agate1">
<value name="Host" type="text">host2</value>
<value name="PortAGate" type="text">sapavw00_******</value>
<value name="PortMManager" type="text">sapavwmm_******</value>
<value name="Type" type="text">1</value>
<value name="SncNameAGate" type="text"/>
<value name="SncNameWGate" type="text"/>
<value name="MultiProcess" type="text">no</value>
<value name="Available" type="text">yes</value>
</key>
<key name="Agate2">
<value name="Host" type="text">host1</value>
<value name="PortAGate" type="text">sapavw00_******</value>
<value name="PortMManager" type="text">sapavwmm_******</value>
<value name="Type" type="text">1</value>
<value name="SncNameAGate" type="text"/>
<value name="SncNameWGate" type="text"/>
<value name="MultiProcess" type="text">no</value>
<value name="Available" type="text">yes</value>
</key>
The second agate added fine and is doing load balancing as well as we can see requests getting routed to both the agate in the load balancing screen. However we are not able to access the global.srvc file under configuration->Performance->global services->All settings as we are getting the following message:
Error loading service file "global.srvc"!
Also when we go to services under configuration, we are getting a message "error accessing services directory!"
In default R/3 system also all the fields are empty although we had given the application server details while installing both the agates.
We are getting the below messages in diagnostics.log file:
2010-11-22T12:30:04.401 --- log opened -
A 2010-11-23T13:55:53.346 [agate,sapdiag ] 00, s00000000061DB140, CsRead returned rd=-100
2010-11-23T14:17:06.863 --- log closed -
2010-11-23T14:17:07.753 --- log opened -
A 2010-11-23T14:30:48.618 [agate,sapdiag ] 00, s00000000061DB220, Cannot handle request from login
A 2010-11-23T14:38:45.615 [agate, ] 00, s0000000000000000, WorkDoGetReq: ContReceiveContainer() failed, rc=0xffffffff
A 2010-11-23T14:38:45.615 [agate, ] 00, s0000000000000000, WorkDoWork: WorkDoGetReq() failed, rc=0xffffffff
A 2010-11-23T14:38:45.677 [agate,sapxgdk ] 00, s0000000000000000, ContSendContainer: FAILED, send length is 0
A 2010-11-23T14:38:50.958 [agate, ] 00, s0000000000000000, WorkDoGetReq: ContReceiveContainer() failed, rc=0xffffffff
A 2010-11-23T14:38:50.958 [agate, ] 00, s0000000000000000, WorkDoWork: WorkDoGetReq() failed, rc=0xffffffff
A 2010-11-23T14:38:50.974 [agate,sapxgdk ] 00, s0000000000000000, ContSendContainer: FAILED, send length is 0
Please let me know if this procedure of adding the agate was wrong or there are some parameter settings that we may have missed. Would it have been better to go for a single host wgate+agate installation on host1 and then add agate2 on host2?Hi Edgar,
Thanks for the reply. I had re-installed ADM instance on both the hosts after the whole exercise of installing agate and wgate.
Anyways, Now we have uninstalled the earlier instances on both hosts and installed wgate+agate on host1 as a single host installation and agate2 on host2. Then we added agate2 to wgate1 and load balancing is working fine. Now the issue of not being able to access the service file and directories, etc has also been resolved. The only problem that remains is that we are not able to go into the native ADM. We get a http 500 error, although the redirect URL is correct. Is the any additional setting required for that to happen? -
VPN load balancing and ASA !!!
Hi netpros,
I have a couple of questions about this and hope you might be able to assist me.
1.- Are VPN load balancing and failover (Active/Active) mutually exclusive ..? I mean they can't be used at the same time correct ..?
2.- How does the ASA handle the return traffic from the Internal LAN towards the remote client .. Because the cluster only requires ONE public virtual IP address, which will work for incoming packets .. but what about the return traffic which has knowledge of the DHCP scope's default gateway IP address only .. ? How gets the returned packet redirected from the default gateway IP address to the respective ASA internal IP address .?
3.- VPN load balancing only applies to remote clients using easy VPN technology (easy vpn client, hardware client , pIX using easy vpn client etc ) and does not work with static LAN-LAN tunnel .. correct ..?
Your comments are much appreciatedHi Gilbert ..
1.- Thanks I wanted to make sure.
2.- I know that .. my question is in regards the return packets .. for example if I have the below IP schema:
ASA1: Public 20.20.20.20
Private 192.168.1.1
ASA2: Public 20.20.20.21
Private 192.168.1.2
Cluster virutal IP: 20.20.20.10
Default gateway for segment 192.168.1.0 is 192.168.1.1
Let's say that a vpn client tries to connect and the cluster instructs the client to connect to ASA2 20.20.20.21. The packets reach the internal server at 192.168.1.100. The internal server then sends the return packets back to the client by forwarding them to its default gateway which is 192.168.1.1 (ASA1). Here is my question .. how does the cluster handles this because the return packet are supposed to be directed to ASA2 192.168.1.2
3.- Any idea about this one ..?
Cheers, -
Load Balancing Directory Servers with Access Manager - Simple questions
Hi.
We are in the process of configuring 2 Access Manager instances (servers) accessing the same logical LDAP repository (comprising physically of two Directory Servers working together with Multi-Master Replication configured and tested) For doing this, we are following guide number 819-6258.
The guide uses BigIP load balancer for load balancing the directory servers. However, we intend to use Directory Proxy Server. Since we faced some (unresolved) issues last time that we used DPS, there are some simple questions that I would be very grateful to have answers to:
1. The guide, in section 3.2.10 (To configure Access Manager 1 with the Directory Server load balancer), talks about making changes at 4 places, and replacing the existing entry (hostname and port) with the load balancer's hostname and port (assuming that the load balancer has already been configured). It says that changes need not be made on Access Manager 2 since the LDAPs are in replication, and hence changes will be replicated at all places. However, the guide also states that changes have to be made in two files, namely AMConfig.properties, and the serverconfig.xml file. But these changes will not be reflected on Access Manager 2, since these files are local on each machine.
Question 1. Do changes have to be made in AMConfig.properties and serverconfig.xml files on the other machine hosting Access Manager 2?
Question 2: What is the purpose of putting these values here? Specifically, what is achieved by specifying the Directory server host and port in AMConfig.properties, as well as in serverconfig.xml?
Question 3. In the HTTP console, there is the option of specifying multiple primary LDAP servers, as well as multiple secondary LDAP servers. What is the purpose of these? Are secondary servers attempted when none of the list in the primary list are accessible? Also, if there are multiple entries in the primary server list, are they accessed in a round robin fashion (hereby providing rudimentary load balancing), or are other servers accessed only when the one mentioned first is not reachable etc.?
2. Since I do not have a load balancer setup yet, I tried the following deviation to the above, which, according to me, should have worked. If viewed in the HTTP console, LDAP / Membership / MSISDN and Policy configuration all pointed to the DS on host 1. When I changed all these to point to the directory server on host 2 (and made AMConfig.properties and serverconfig.xml on host 1 point to DS of host 2 as well), things should have worked fine, but apparently Access manager 1 could not be started. Error from Webserver:
[14/Aug/2006:04:30:36] info (13937): WEB0100: Loading web module in virtual server [https-machine_1_FQDN] at [search]
[14/Aug/2006:04:31:48] warning (13937): CORE3283: stderr: Exception in thread "EventService" java.lang.ExceptionInInitializerError
[14/Aug/2006:04:31:48] warning (13937): CORE3283: stderr: at com.iplanet.services.ldap.event.EventServicePolling.run(EventServicePolling.java:132)
[14/Aug/2006:04:31:48] warning (13937): CORE3283: stderr: at java.lang.Thread.run(Thread.java:595)
[14/Aug/2006:04:31:48] warning (13937): CORE3283: stderr: Caused by: java.lang.InterruptedException
[14/Aug/2006:04:31:48] warning (13937): CORE3283: stderr: at com.sun.identity.sm.ServiceManager.<clinit>(ServiceManager.java:74)
[14/Aug/2006:04:31:48] warning (13937): CORE3283: stderr: ... 2 more
In effect, AM on 1 did not start. On rolling back the changes, things again worked like previously.
Will be really grateful for any help / insight / experience on dealing with the above.
Thanks!Update to the above, incase anyone is reading:
We setup a similar setup in Windows, and it worked. Here is a detailed account of what was done:
1. Host 1: Start installer, install automatically, chose Directory server, Directory Administration server, Directory Proxy server, Web server, Access Manager.
All installed, and worked fine. (AMConfig.properties, serverconfig.xml, and the info in LDAP service, all pointed to HOST1:389)
2. Host 2: Start installer, install automatically, chose Directory server, Directory Administration server, Directory Proxy server, Web server, Access Manager.
All installed, and worked fine. (AMConfig.properties, serverconfig.xml, and the info in LDAP service, all pointed to HOST2:389)
3. Host 1: Started replication. Set to Master
4. Host 2: Started replication. Set to Master
5. Host 1: Setup replication agreement to Host 2
6. Host 2: Setup replication agreement to Host 1
7. Initiated the remote replica from Host 1 ----> Host 2
Note that since default installation uses abc.....xyz as the encryption key, setting this to same was not an issue.
9. Started webserver for Host 1 and logged into AM as amadmin.
10. Added Host 2 FQDN in DNS Aliases / Realms
11. Added http://HOST2_FQDN:80 in the Platform server (instance) list.
12. Started Host 2 webserver. Logged in AM on Host 2, things worked fine.
At this stage, note the following:
a) Host 1:
AMConfig.properties file has
com.iplanet.am.directory.host=host1_FQDN
and
com.iplanet.am.directory.port=389
serverconfig.xml has:
<Server name="Server1" host="host1_FQDN" port="389" type="SIMPLE" />
b) Host 2:
AMConfig.properties file has
com.iplanet.am.directory.host=host2_FQDN
and
com.iplanet.am.directory.port=389
serverconfig.xml has:
<Server name="Server1" host="host2_FQDN" port="389" type="SIMPLE" />
c) If one logs into AM, and checks LDAP servers for LDAP / Policy Configuration / Membership etc services, they all contain Host2_FQDN:389 (which makes sense, since replica 2 was initialized from 1)
Returning back to the configuations:
13. On Host 1, login into the Admin server console of the Directory server. Navigate to the DPS, and confgure the following:
a) Network Group
b) LDAP servers
c) Load Balancing
d) Change Group
e) Action on-bind
f) Allow all actions (permit modification / deletion etc.).
g) any other configuations required - Am willing to give detailed steps if someone needs them to help me / themselves! :)
So now, we have DPS configured and running on Host1:489, and distributing load to DS1 and DS2 on a 50:50 basis.
14. Now, log into AM on Host 1, and instead of Host1_fqdn:389 (for DS) in the following places, specify Host1_fqdn:489 (for the DPS)--
LDAP Authentication
MSISDN server
Membership Service
Policy configuation.
Verified that this propagated to the Policy Configuration service and the LDAP authentication service that are already registered with the default organization.
15. Log out of AM. Following the documentation, modify directory.host and directory.port in AMConfig.properties to point to Host 1_FQDN and 489 respectively. Make this change in AMConfig.properties of both Host 1 as well as 2.
16. Edit serverconfig.xml on both hosts, and instead of they pointing to their local directory servers, point both to host1_FQDN:489
17. When you start the webserver, it will refuse to start. Will spew errors such as:
[https-host1_FQDN]: Sun ONE Web Server 6.1SP5 B06/23/2005 17:36
[https-host1_FQDN]: info: CORE3016: daemon is running as super-user
[https-host1_FQDN]: info: CORE5076: Using [Java HotSpot(TM) Server VM, Version 1.5.0_04] from [Sun Microsystems Inc.]
[https-host1_FQDN]: info: WEB0100: Loading web module in virtual server [https-host1_FQDN] at [amserver]
[https-host1_FQDN]: warning: WEB6100: locale-charset-info is deprecated, please use parameter-encoding
[https-host1_FQDN]: info: WEB0100: Loading web module in virtual server [https-host1_FQDN] at [ampassword]
[https-host1_FQDN]: warning: WEB6100: locale-charset-info is deprecated, please use parameter-encoding
[https-host1_FQDN]: info: WEB0100: Loading web module in virtual server [https-host1_FQDN] at [amcommon]
[https-host1_FQDN]: info: WEB0100: Loading web module in virtual server [https-host1_FQDN] at [amconsole]
[https-host1_FQDN]: warning: WEB6100: locale-charset-info is deprecated, please use parameter-encoding
[https-host1_FQDN]: info: WEB0100: Loading web module in virtual server [https-host1_FQDN] at [search]
[https-host1_FQDN]: warning: CORE3283: stderr: netscape.ldap.LDAPException: error result (32); matchedDN = dc=sun,dc=com; No such object (DN changed)
[https-host1_FQDN]: warning: CORE3283: stderr: Got LDAPServiceException code=-1
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.services.ldap.DSConfigMgr.getConnection(DSConfigMgr.java:357)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.services.ldap.DSConfigMgr.getNewFailoverConnection(DSConfigMgr.java:314)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.services.ldap.DSConfigMgr.getNewConnection(DSConfigMgr.java:253)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.services.ldap.DSConfigMgr.getNewProxyConnection(DSConfigMgr.java:184)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.services.ldap.DSConfigMgr.getNewProxyConnection(DSConfigMgr.java:194)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.ums.DataLayer.initLdapPool(DataLayer.java:1248)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.ums.DataLayer.(DataLayer.java:190)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.ums.DataLayer.getInstance(DataLayer.java:215)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.ums.DataLayer.getInstance(DataLayer.java:246)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.sun.identity.sm.ldap.SMSLdapObject.initialize(SMSLdapObject.java:156)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.sun.identity.sm.ldap.SMSLdapObject.(SMSLdapObject.java:124)
[https-host1_FQDN]: warning: CORE3283: stderr: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
[https-host1_FQDN]: warning: CORE3283: stderr: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
[https-host1_FQDN]: warning: CORE3283: stderr: at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
[https-host1_FQDN]: warning: CORE3283: stderr: at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
[https-host1_FQDN]: warning: CORE3283: stderr: at java.lang.Class.newInstance0(Class.java:350)
[https-host1_FQDN]: warning: CORE3283: stderr: at java.lang.Class.newInstance(Class.java:303)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.sun.identity.sm.SMSEntry.(SMSEntry.java:216)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.sun.identity.sm.ServiceSchemaManager.(ServiceSchemaManager.java:67)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.am.util.AMClientDetector.getServiceSchemaManager(AMClientDetector.java:219)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.am.util.AMClientDetector.(AMClientDetector.java:94)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.sun.mobile.filter.AMLController.init(AMLController.java:85)
[https-host1_FQDN]: warning: CORE3283: stderr: at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:262)
[https-host1_FQDN]: warning: CORE3283: stderr: at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:322)
[https-host1_FQDN]: warning: CORE3283: stderr: at org.apache.catalina.core.ApplicationFilterConfig.(ApplicationFilterConfig.java:120)
[https-host1_FQDN]: warning: CORE3283: stderr: at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3271)
[https-host1_FQDN]: warning: CORE3283: stderr: at org.apache.catalina.core.StandardContext.start(StandardContext.java:3747)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.ias.web.WebModule.start(WebModule.java:251)
[https-host1_FQDN]: warning: CORE3283: stderr: at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1133)
[https-host1_FQDN]: warning: CORE3283: stderr: at org.apache.catalina.core.StandardHost.start(StandardHost.java:652)
[https-host1_FQDN]: warning: CORE3283: stderr: at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1133)
[https-host1_FQDN]: warning: CORE3283: stderr: at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:355)
[https-host1_FQDN]: warning: CORE3283: stderr: at org.apache.catalina.startup.Embedded.start(Embedded.java:995)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.ias.web.WebContainer.start(WebContainer.java:431)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.ias.web.WebContainer.startInstance(WebContainer.java:500)
[https-host1_FQDN]: warning: CORE3283: stderr: at com.iplanet.ias.server.J2EERunner.confPostInit(J2EERunner.java:161)
[https-host1_FQDN]: failure: WebModule[amserver]: WEB2783: Servlet /amserver threw load() exception
[https-host1_FQDN]: javax.servlet.ServletException: WEB2778: Servlet.init() for servlet LoginLogoutMapping threw exception
[https-host1_FQDN]: at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:949)
[https-host1_FQDN]: at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:813)
[https-host1_FQDN]: at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3478)
[https-host1_FQDN]: at org.apache.catalina.core.StandardContext.start(StandardContext.java:3760)
[https-host1_FQDN]: at com.iplanet.ias.web.WebModule.start(WebModule.java:251)
[https-host1_FQDN]: at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1133)
[https-host1_FQDN]: at org.apache.catalina.core.StandardHost.start(StandardHost.java:652)
[https-host1_FQDN]: at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1133)
[https-host1_FQDN]: at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:355)
[https-host1_FQDN]: at org.apache.catalina.startup.Embedded.start(Embedded.java:995)
[https-host1_FQDN]: at com.iplanet.ias.web.WebContainer.start(WebContainer.java:431)
[https-host1_FQDN]: at com.iplanet.ias.web.WebContainer.startInstance(WebContainer.java:500)
[https-host1_FQDN]: at com.iplanet.ias.server.J2EERunner.confPostInit(J2EERunner.java:161)
[https-host1_FQDN]: ----- Root Cause -----
[https-host1_FQDN]: java.lang.NullPointerException
[https-host1_FQDN]: at com.sun.identity.authentication.UI.LoginLogoutMapping.init(LoginLogoutMapping.java:71)
[https-host1_FQDN]: at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:921)
[https-host1_FQDN]: at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:813)
[https-host1_FQDN]: at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3478)
[https-host1_FQDN]: at org.apache.catalina.core.StandardContext.start(StandardContext.java:3760)
[https-host1_FQDN]: at com.iplanet.ias.web.WebModule.start(WebModule.java:251)
[https-host1_FQDN]: at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1133)
[https-host1_FQDN]: at org.apache.catalina.core.StandardHost.start(StandardHost.java:652)
[https-host1_FQDN]: at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1133)
[https-host1_FQDN]: at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:355)
[https-host1_FQDN]: at org.apache.catalina.startup.Embedded.start(Embedded.java:995)
[https-host1_FQDN]: at com.iplanet.ias.web.WebContainer.start(WebContainer.java:431)
[https-host1_FQDN]: at com.iplanet.ias.web.WebContainer.startInstance(WebContainer.java:500)
[https-host1_FQDN]: at com.iplanet.ias.server.J2EERunner.confPostInit(J2EERunner.java:161)
[https-host1_FQDN]:
[https-host1_FQDN]: info: HTTP3072: [LS ls1] http://host1_FQDN:58080 [i]ready to accept requests
[https-host1_FQDN]: startup: server started successfully
Success!
The server https-host1_FQDN has started up.
The server infact, didn't start up (nothing even listening on 58080).
However, if AMConfig.properties is left as it originally was, and only serverconfig.xml files were changed as mentioned above, web servers started fine, and things worked all okay. (Alright, except for some glitches when viewed in /amconsole. If /amserver/console is accessed, all is good. Can this mean that all is still not well? I am not sure).
So far so good. Now comes the sad part. When the same is done on Solaris 9, things dont work. You continue to get the above error, OR the following error, and the web server will refuse to start:
Differences in Solaris and Windows are as follows:
1. Windows hosts have 1 IP and hostname. Solaris hosts have 3 IPs and hostnames (for DS, DPS, and webserver).
No other difference from an architectural perspective.
Any help / insight on why the above is not working (and why the hell does the documentation seem so sketchy / insecure / incorrect).
Thanks a bunch! -
Load Balancing Forms Services with an effective healthcheck
I am in the process of configuring two forms 11.1.2 servers running with weblogic 10.3.5 with multiple forms applications clustered across both physical servers. We are looking to load balance to the various forms applications using a hardware load balancer. Can anyone comment on their experience with setting up effective application healthchecks using either hardware or software load balancers?
For example say that we have 3 applications clustered across 2 servers with the following
URLs:
http://server01:7777/forms/frmservlet?config=myapp1
http://server01:7777/forms/frmservlet?config=myapp2
http://server01:7777/forms/frmservlet?config=myapp3
http://server02:7777/forms/frmservlet?config=myapp1
http://server02:7777/forms/frmservlet?config=myapp2
http://server02:7777/forms/frmservlet?config=myapp3
We would need a checking mechanism on the load balancer that could tell if myapp2 was down on say server01 and therefore block traffic to that application yet keep traffic open for the other 2 apps on the same server.
A specific difficulty with forms is that when the database behind the application is down forms services will return an error message within a displayed error form. From the load balancer's point of view the forms services are "up". We need to find a way of detecting that the application is actually available and not just that the forms services themselves are available. To detect that the forms services are available we might normally use the status check:
http://server01:7777/forms/frmservlet?ifcmd=status
however this will only tell use the availability of the forms services on a physical server and not whether any actual applications are available.
I am aware that f5 do a BIGIP offering that includes some Oracle Forms specific components. Can anyone comment on how they have setup Oracle Forms healthchecks using various load balancing methods. In particular if a load balancer is limited to using WGET commands to check HTTP returned content is there a way of checking a forms application's availability and if not how have other people achieved an effective healthcheck?
Many thanks,
PhilippeDid you ever Get this to work?
I am having some problems trying to load balance with Oracle Forms, Discover and reports Oracle Application Server Release 10g (9.0.4.0.2) and I was wondering if you could help. Has any one ever got this to work consistently? We are an ERP product written mostly in forms (904) and are trying to implement are largest customer there performance issue so we need the load balancing to work. Will also accept other recommendation as cost effective as solutions.
Site 1:
A: SERVER
Host as1.xyzco.local
Version 10.1.2.0.2
Installation Type Identity Management and Metadata Repository
Oracle Home E:\oracle\inf_1012
Farm as1db.xyzco.net
o HTTP_Server
o Internet Directory
o OC4J_SECURITY
o Single Sign-On:orasso
o Management
B SERVER
Host as2. xyzco.local
Version 9.0.4.0.2
Installation Type Business Intelligence and Forms
Oracle Home E:\oracle\mid_904
Farm as2db. xyzco.net
o Discoverer
o Forms
o home
o HTTP_Server
o OC4J_BI_Forms
o Reports Server
o Web Cache
o Management
C SERVER
Host as3. xyzco.local
Version 9.0.4.0.2
Installation Type Business Intelligence and Forms Discoverer and Reports
Oracle Home E:\oracle\mid_904
Farm as2db. xyzco.net
o Discoverer
o Forms
o home
o HTTP_Server
o OC4J_BI_Forms
o Reports Server
o Web Cache
o Management
All servers Are:
Windows 2003 Standard Server with current service packs
Xeon Dual Processor with 4GB ram
Raid 0 drives 2 for OS and 2 for Oracle
Daniel Brody
[email protected] -
Load balancing 10g forms - Connection from new browser window not supported
Load balancing 10g forms - Connection from new browser window not supported
We're experimenting with using webcache to load balance between multiple applications servers running OC4J forms processes.
We currently have one machine with infrastructure and mid-tier (BI & Forms) installed, which is being used for the webcache functionality, this is load balancing between 2 other servers each of which just have the mid-tier (BI & Forms) installation
In order to get this to work, I had to follow the instructions in the Forms deployment guide : http://download-uk.oracle.com/docs/cd/B14099_11/web.1012/b14032/tuning.htm#sthref707
The main gist of this is that you need to set the following in the orion-web.xml file in order that the sessions are maintained:
<session-tracking
cookies="enabled">
</session-tracking>
This all works fine in most cases.
The problem I am having is if I do one of the following on the client machine:
1) From IE6 / IE7 run a copy of a forms application. Then open a new window using the "New Window" menu option, and attempt to run another forms application.
2) In IE7 or Firefox 2.0 open a copy of the forms application, and then open a new tab and try and open another forms application.
If I try either of these I get a FRM-92101 error, and the following is displayed in the java console:
oracle.forms.net.ConnectionException: Connection from new browser window not supported
From trawling various forums (including metalink and otn) it looks like a problem with the way coockies are handled.
Unfortunately the usual workaround is to ensure that the session tracking option in the orion-web.xml file is disabled.
The problem is that I need this enabled in order for the load balancing to work.
Does anyone know of any other workarounds or patches that might help resolve this?
We're using Application server 10.1.2.0.2 running on windows 2003 servers.You were right. Carriage returns were stopping it from working (the document is laid out over separate lines, so I assumed it would make no difference...).
I've now managed to get it so the forms at least run, but they are all being run in the forms OC4J instance on the same machine as the OHS.
Has anyone actually managed to get this to work, or am I doing something wrong?
I did wonder if using an OHS instance on a machine with no forms installation would make any difference?
I had raised a support call via metalink on this subject, but they eventually came to the conclusion that the only way to do this is with a hardware load balancer (Despite several documents suggesting that webcache is the way to go (including the forms deployment manual)).
I'm at the point now of giving up and writing some custom scripts to do the job instead... -
How to make IIS plug-in do STICKY load balancing
There are two classes of scalable services: pure and sticky. A pure service
is one where any instance of the application can respond to client requests.
A sticky service is one where a client sends its requests to the same
instance; those requests are not redirected to other instances.
It seems to me that weblogic IIS proxy plug-in does not support the sticky
load balancing.
Could someone give me some information on how to make the proxy sticky?
Is there configuration parameters for this?
Thanks,
-LeiI set the cluster.
It seems to me that there is some problem with the Set-Cookie mechanism of
the plug-in.
Sometime it set the cookie in my browser, sometime it is not.
Even from the wlproxy.log, I could set something like
Fri Aug 03 17:56:12 2001 Hdrs to
client:[Set-Cookie]=[AribaNode=O2tII92qHlP2tpZjUV0m5ued1s6X028cUPu24QcGj1Q25
AE5VXOd!1782877802312707887!ltang.ariba.com!8001!7002; domain=ariba.com;
path=/]
But the cookie is not set in my browser, what might be wrong here?
Thanks,
-Lei
"Eric Gross" <[email protected]> wrote in message
news:[email protected]...
I do believe that this will not work since if clustering is not enabled, a
cookie will not be set on the browser that contains the primary and
secondary server.
You are specifying two different ports in your servers. You need to use
clustering in order to get this functionality with the plugin.Furthermore,
you will achieve fail-over.
Regards,
Eric
"Lei Tang" <[email protected]> wrote in message
news:[email protected]...
Here is what I did for the examples under the bea sample directory.
I put the following in test1/WEB-INF/weblogic.xml
<session-descriptor>
<session-param>
<param-name> CookieDomain </param-name>
<param-value> *.ariba.com </param-value>
</session-param>
<session-param>
<param-name> CookieName </param-name>
<param-value> AribaNode </param-value>
</session-param>
<session-param>
<param-name> CookiePath </param-name>
<param-value> /test1 </param-value>
</session-param>
</session-descriptor>
</weblogic-web-app>
I add the following in iisproxy.ini
# This file contains initialization name/value pairs
# for the IIS/WebLogic plug-in.
WebLogicCluster=ltang.ariba.com:8001,achu.ariba.com:7001
ConnectTimeoutSecs=20
ConnectRetrySecs=2
Debug=ALL
WLLogFile=c:\tmp\wlproxy.log
WlForwardPath=/test1
DynamicServerList=OFF
CookieName=AribaNode
I use SesssionServlet.java as an example
When I involk http://proxy/test1/SessionServlet, I always get 1
if I use
http://proxy/test1/SessionServlet:AribaNode=................................
I could see the session becomes sticky.
If I do not want to use URL rewriting, what should I do in order to makethe
session STICKY
for this example.
Thanks,
-Lei
"Eric Gross" <[email protected]> wrote in message
news:[email protected]...
If you leave the CookieName untouched on the WebLogic side, then there
should be no reason to make the change in the plug-in.
But yes, you need to make sure the cookie names are the same.
Regards,
Eric
"Mark Vaughn" <[email protected]> wrote in message
news:[email protected]...
Actually, you also need to make sure you set the "CookieName" in theplugin.
That let's the plugin read the cookie set by WebLogic to determine
who
the
primary and secondary servers are for that session. Otherwise, theplugin
has no
way of knowing if you are establishing a new session or returning to
an
existing
one. The cookie will tell it if you have a current session and who
it
should
send you to for continuing that session, or failing that session
over.
>>>>
Eric Gross wrote:
Without having clustering enabled, you will not get Sticky load
balancing.
You need to have clustering so that a cookie is sent back to the
client
that
contains information about where it's session is located.
Otherwise,
you
are just going to get round-robin each time.
You can refer to the following page for more information:
http://e-docs.beasys.com/wls/docs61/cluster/servlet.html
Regards,
Eric
"Lei Tang" <[email protected]> wrote in message
news:[email protected]...
WebLogicCluster=machine1:7001,machine2:7001
ConnectTimeoutSecs=20
ConnectRetrySecs=2
Debug=ALL
WLLogFile=c:\tmp\wlproxy.log
WlForwardPath=/test,/test1
DynamicServerList=OFF
I run two standone (Admin server) weblogic servers on machine1
machine2.
Then I deploy application test.war on machine1 first, then onmachine2.
Should I make machine2 as a managed server and machine1 as an
admi
n
server?
Will this make the session sticky?
Thanks,
-Lei
"Eric Gross" <[email protected]> wrote in message
news:[email protected]...
It would help us to know how you have iisproxy.ini configured.
Sticky
load
balancing should work fine if you have the plug-in and
WebLogic
Server
setup
correctly.
How have you setup the plug-in?
Thanks,
Eric
"Lei Tang" <[email protected]> wrote in message
news:[email protected]...
There are two classes of scalable services: pure and sticky.
A
pure
service
is one where any instance of the application can respond to
client
requests.
A sticky service is one where a client sends its requests to
the
same
instance; those requests are not redirected to other
instances.
It seems to me that weblogic IIS proxy plug-in does notsupport
the
sticky
load balancing.
Could someone give me some information on how to make the
proxy
sticky?
Is there configuration parameters for this?
Thanks,
-Lei
.-. Mark Vaughn
/V\ 7024 Corona Dr.
// \\ North Richland Hills, TX 76180
/( )\ [email protected]
^^-^^
"Give a man a fish and you feed him for a day;
teach him to use the Net and he won't bother you for weeks."
Ben Woodbridge -
Access to load balanced web site
I have a wierd problem where browsers on one subnet in my company cannot access any web sites that are load balanced in our data center.
Other subnets can access the load balanced sites fine.
Browsers on the subnet in question CAN access other non-loadbalanced sites within the same dc.
Any thoughts on how to go about troublshooting?HI,
have a look at the routing table of the servers.
Is the return traffic (towards the clients) forwarded towards the loadbalancer from the servers or bypassing=
Are you using source limitation on the loadbalancer?
Are you using source nat?
Please paste the config of the loadbalancer, the routing table of the servers and the source-address that gives you a hard time and we can have a look at it.
Kind Regards,
Joerg
PS
IN case of any doubts take a sniffer trace in front of the loadbalancer and behind the load balancer. If necessary additional ones at the client and at the server
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