Some clarifications regarding inmemmory replication

          Hai all!
          Here is my problem. I am trying to replicate session Inmemmory method. I habe
          two managed servers in a cluster and both starts fine. I have following entry
          in weblogic.xml file.
          <!DOCTYPE weblogic-web-app PUBLIC "-//BEA Systems, Inc.//DTD Web Application 6.0//EN"
          "http://www.bea.com/servers/wls600/dtd/weblogic-web-jar.dtd">
          <weblogic-web-app>
          <session-descriptor>
          <session-param>
          <param-name>PersistentStoreType</param-name>
          <param-value>replicated</param-value>
          </session-param>
          </session-descriptor>
          </weblogic-web-app>
          I am using httpClusterServlet and it is working fine by dispatching requets in
          round robin fashion to two managed servers.
          Now i suspend one server and whenr request is dispatched to that server following
          exception is thrown.
          weblogic.cluster.replication.NotFoundException: Unable to find -1879714969608920185
          at weblogic.rmi.internal.AbstractOutboundRequest.sendReceive(AbstractOutboundRequest.java:90)
          at weblogic.cluster.replication.ReplicationManager_WLStub.fetch(ReplicationManager_WLStub.java:114)
          at weblogic.cluster.replication.ReplicationManager.getPrimary(ReplicationManager.java:520)
          at weblogic.cluster.replication.ReplicationManager.lookup(ReplicationManager.java:356)
          at weblogic.servlet.internal.session.ReplicatedSessionContext.getSessionInternal(ReplicatedSessionContext.java:218)
          at weblogic.servlet.internal.ServletRequestImpl.getValidSession(ServletRequestImpl.java:1571)
          at weblogic.servlet.internal.ServletRequestImpl.getSession(ServletRequestImpl.java:1412)
          at weblogic.servlet.internal.ServletRequestImpl.getRemoteUser(ServletRequestImpl.java:805)
          at weblogic.servlet.logging.CLFLogger.log(CLFLogger.java:60)
          at weblogic.servlet.logging.LogManagerHttp.log(LogManagerHttp.java:293)
          at weblogic.servlet.internal.HttpServer.log(HttpServer.java:670)
          at weblogic.servlet.internal.ServletResponseImpl.send(ServletResponseImpl.java:851)
          at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:1636)
          at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
          at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
          Why this is happening? Is it because weblogic is trying to replicate session before
          session itself is created? if so how can we handle(any other alternate) this sort
          of situation?
          Also pls explain me , if this is the case how session replication is helpful?
          Is it useful only after once request is processed by primary server?
          Any help is appreciable.
          TIA
          Rgds
          Manohar

          Hai Lynch!
          Thanks for ur response. I am using only one session varible and i am storing it
          in the session. In my application i have only two JSP Pages. In JSP1 i am keeping
          one String to the session using session.setAttribute method. In JSP2 i am trying
          to retrieve that. Here are my JSP pages.
          <%
          session.setAttribute("TEST",new String("Cool"));
          %>
          <HTML>
          <HEAD>
          <TITLE>Login Page</TITLE>
          </HEAD>
          <BODY>
          <form action="JSP2.jsp" >
          <b>Please Enter your Name and Password to enter Cool World </b>
          <br>
          FirstName: <Input type="text" name="FirstName" >
          <br>
          Password :<Input type="text" name="Password" >
          <br>
          <Input type="submit" value="Login">
          </form>
          </BODY>
          </HTML>
          JSP2
          <%
          System.out.println("\nExecuting request for displaying Home page....");
          %>
          <HTML>
          <HEAD>
          <TITLE>Cool....</TITLE>
          </HEAD>
          <BODY>
          <b><Marquee>Welcome to <%=session.getAttribute("TEST")%> World ! Mr. <%=request.getParameter("FirstName")%></Marquee></b>
          </BODY>
          </HTML>
          is there any wrong in the above code?
          also you mentioned about readObject and writeObject methods. What and why and
          where these methods are required?
          TIA
          Rgds
          Manohar
          "Lynch" <[email protected]> wrote:
          >Manu,
          >
          >Are you sure that ALL of your session variables are correctly serialized?
          >Have you implemented readObject() and writeObject for them? Do they
          >implement java.io.Serializable?
          >
          >Regards,
          >Lynch
          >
          >"Manu Kar" <[email protected]> ¼¶¼g©ó¶l¥ó
          >news:[email protected]...
          >>
          >> weblogic.cluster.replication.NotFoundException: Unable to
          >find -1879714969608920185
          >> at
          >weblogic.rmi.internal.AbstractOutboundRequest.sendReceive(AbstractOutboundRe
          >quest.java:90)
          >> at
          >weblogic.cluster.replication.ReplicationManager_WLStub.fetch(ReplicationMana
          >ger_WLStub.java:114)
          >> at
          >weblogic.cluster.replication.ReplicationManager.getPrimary(ReplicationManage
          >r.java:520)
          >> at
          >weblogic.cluster.replication.ReplicationManager.lookup(ReplicationManager.ja
          >va:356)
          >> at
          >weblogic.servlet.internal.session.ReplicatedSessionContext.getSessionInterna
          >l(ReplicatedSessionContext.java:218)
          >> at
          >weblogic.servlet.internal.ServletRequestImpl.getValidSession(ServletRequestI
          >mpl.java:1571)
          >> at
          >weblogic.servlet.internal.ServletRequestImpl.getSession(ServletRequestImpl.j
          >ava:1412)
          >> at
          >weblogic.servlet.internal.ServletRequestImpl.getRemoteUser(ServletRequestImp
          >l.java:805)
          >> at weblogic.servlet.logging.CLFLogger.log(CLFLogger.java:60)
          >> at
          >weblogic.servlet.logging.LogManagerHttp.log(LogManagerHttp.java:293)
          >> at weblogic.servlet.internal.HttpServer.log(HttpServer.java:670)
          >> at
          >weblogic.servlet.internal.ServletResponseImpl.send(ServletResponseImpl.java:
          >851)
          >> at
          >weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java
          >:1636)
          >> at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
          >> at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
          >
          >
          >

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Hi Amanda,
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http://support.apple.com/kb/HT2559
Drive A + B = VOLUME ONE
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http://arstechnica.com/apple/reviews/2009/04/266ghz-8-core-mac-pro-review.ars/1
http://macperformanceguide.com/
http://www.macgurus.com/guides/storageaccelguide.php
http://www.macintouch.com/readerreports/harddrives/index.html
http://macperformanceguide.com/OptimizingPhotoshop-Configuration.html
http://kb2.adobe.com/cps/404/kb404440.html

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3.How can i fill a cell of word report table withe the data type other than "character"?.
And sir one question about use of timer in cvi labwindows please.
Sir i'm trying to set minimum delay interval of timer control to 1millisecond(0.001s),as i set ,timer don't cares of the interval that is set by me it responds only to the default minimum time interval which is i think 10milliseconds(i'am using windows xp service pack3 version 2002).
Regards
Imran
Pakistan
Solved!
Go to Solution.

Hello sir!
Sir i'm using daq6251.But Sir before implimenting it to my final application now i'm just trying to achieve 1millisecond time interval for timer in a vary simple programe i mean at this time no hardware (daq device) is involved i,m just trying to achieve minimum time interval of 1millisecond.
Sir i read form "help" of labwindows how this time interval can be set,i'm trying for,as described in help notes but i could'nt.I'm attaching a screen shot sir for you it may helpful for you to explain me.
And sir also waiting for your kind reply regarding word report generation.
Thanks.
Imran.
Attachments:
screen_shot_rigistry.docx ‏65 KB

Need some clarifications on Quality-of-services

Hi Everybody.
I need some clarification on Quality-of-services.the question is which one is better in Quality-of-services (Exactly-Once or Exactly-Once-In-order)?why?wht is the differenc between them?

Hi Narayana
refer the below Urls
make the QOS of file as EO or EOIO and then use this blog,
/people/arpit.seth/blog/2005/06/27/rfc-scenario-using-bpm--starter-kit
It depends upon the Adapter,Can you please spicific
http://help.sap.com/saphelp_erp2005vp/helpdata/en/41/b714fe5ffc11d5b3ea0050da403d6a/content.htm
Check these blogs written on QoS:
XI Asynchronous Message Processing: Understanding XI Queues
How to deal with stuck EOIO messages in the XI 3.0 Adapter Framework
EO = Exactly Once ( Used in Asynchronous Communication)
EOIO = Exactly Once In Order ( Used in Asynchronous Communication)
BE = Best Effort ( Used in Synchronous Communication)
Best Effort --> Used for Synchronous Calls.
EO and EOIO --> Asynchronous Calls.
EOIO --> Asynchronous with Sequential Processing Guranteed.
http://help.sap.com/saphelp_nw04/helpdata/en/41/b714fe5ffc11d5b3ea0050da403d6a/frameset.htm
For the QOS, u can refer the following library links .
http://help.sap.com/saphelp_nw04/helpdata/en/41/b714fe5ffc11d5b3ea0050da403d6a/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/ae/d03341771b4c0de10000000a1550b0/frameset.htm
For receiver channels QoS BE (Best Effort) will result in a
synchronous call (sRFC) , QoS EO (Exactly Once) will create a
transactional call (tRFC) to the BC. For sender channels a synchronous
call (sRFC) will result in a message with QoS BE, a transactional call
(tRFC) will result in a message with QoS EO.
QoS EOIO is not supported by the BC-Adapter.
SAP XI term Quality of service describing how the transmission and process-ing of messages is to be handled. Possible values are:
BE = BestEffort (synchronous call, no transactional guarantees for transmission and processing)
EO = ExactlyOnce (asynchronous call, guarantee for local transactional handling, exactly-once transmission and exactly-once processing)
EOIO = ExactlyOnceInOrder (as for EO but with serialization guarantee on a given queue name).
<b>Pls reward if useful</b>

Clarification regarding WLC 's interfaces

Hi Netpros,
I am about to deploy WLC and LWAPP solution. I have only done Autonomous set up in the past and so would appreciated some clarification regardig the below points:
1.- switch port connected to LWAPP access points must be an access port (not trunk) correct ?
2.- switch port connected to WLC 44+ must be a trunk (assuming I need to map SSID to different vlans) correct ?
3.- WLC 44+ port can only be connected to a gigabit port .. so I can't change its speed in order to connect it to a fastethernet port .. correct ?
4.- What exactly is Management interface, service port, AP manager ..etc so many names I am getting confused.
5.- What is layer 2 and layer 3 mode .. I am also confused here.
6.- If I want all my LWAPP access points on vlan 10 (for argument sake) .. which WLC's interface do I need to place on vlan 10 in order for the access points to register ? I want to have LWAPP and WLC on the same vlan but with so many inteface names I don't know which one I have to use (AP manager ? perhaps )
7.- If I want SSID 1 (vlan 11), SSID 2 (VLAN 22). How do I configure the WLC interfaces (which one do I need to use .. create ..?) so that clients using SSID 1 can communicate on its respective VLAN 11
8.- Microsoft IAS and PEAP .. do I need to set up every access point as radius client ? or do I only need to configure the WLC as radius client .. and if so which WLC interface's IP address do I need to use on the radius server (IAS)
I apologize for so many questions and really appreciate your feedback which - as always - I am sure will make things clear.
Cheers,

1.- switch port connected to LWAPP access points must be an access port (not trunk) correct ?
(A) Correct, Cisco recommends no more then 70 or so APs per VLAN. You can do more then 70 and in fact put all of your APs in the same VLAN. But if the controller ever goes dark it could take a bit longer for the APs to join.
2.- switch port connected to WLC 44+ must be a trunk (assuming I need to map SSID to different vlans) correct ?
(A) Yup yup. You can truck the switch or Echannel it and use LAG on the controller.
3.- WLC 44+ port can only be connected to a gigabit port .. so I can't change its speed in order to connect it to a fastethernet port .. correct ?
(A) Yup yup. again. GIG only. Wont connect otherwise.
4.- What exactly is Management interface, service port, AP manager ..etc so many names I am getting confused.
(A)
Manager is the IP address you will use to manage the controller. Its the way the controller see's the world.
AP Manger is used for the APs to phone home to. This interface is not pingable. Nothing special with this interface.
Service Port ... think about out of service management for the WLC. Suppose you lose network connection to the WLC manager interface. You can jack right into the service port. I have also put this on the network before so you can still access the WLC remotely.
5.- What is layer 2 and layer 3 mode .. I am also confused here.
(A)
Layer 2 --- Think about deploying your entire WLAN on one subet. So your APs and WLC are all in the same subnet.
Layer 3 -- This is used when you have your APs on other subnets ect..
You can actually console into the LWAPP ap during the join process. you will see the AP send a 255.255.255.255. This is a join attempt by the AP to find a controller on its subnet.
6.- If I want all my LWAPP access points on vlan 10 (for argument sake) .. which WLC's interface do I need to place on vlan 10 in order for the access points to register ? I want to have LWAPP and WLC on the same vlan but with so many inteface names I don't know which one I have to use (AP manager ? perhaps )
(A) The beauty of the WLC is you dont have to have the APs on the same VLAN as the controller, unless u are layer 2. The access layer teh APs are on just need to be routable to the AP interface.
7.- If I want SSID 1 (vlan 11), SSID 2 (VLAN 22). How do I configure the WLC interfaces (which one do I need to use .. create ..?) so that clients using SSID 1 can communicate on its respective VLAN 11
(A)
You map the SSID to VLAN under the WLANs tab. You Create the wired side info (VLANS) under the controller tab
8.- Microsoft IAS and PEAP .. do I need to set up every access point as radius client ? or do I only need to configure the WLC as radius client .. and if so which WLC interface's IP address do I need to use on the radius server (IAS)
(A) Advantage of the WLC, you use the WLC as the client to a Raduis server. The management address..
I apologize for so many questions and really appreciate your feedback which - as always - I am sure will make things clear.
Cheers,

Needs Clarification Regarding Listener.ora file

I want a clarification regarding listener.ora file I've Listener.ora file and its content look like as:
# listener.ora Network Configuration File: C:\oracle\product\10.2.0\db_1\NETWORK\ADMIN\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
(SID_DESC =
(GLOBAL_DBNAME = Oracle8)
(SID_NAME = ORCL)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.10.10.10)(PORT = 1521))
I can understand every entry in this file accept the following
*(SID_DESC =*
*(SID_NAME = PLSExtProc)*
*(ORACLE_HOME = C:\oracle\product\10.2.0\db_1)*
*(PROGRAM = extproc)*
*(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))*
Although rest of entries refer to network services(Database name) and host address and protocol etc.
what these above refere to.
Please clarify me in this.
Regards,
D.Abbasi

(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
that about External Procedure, If you don't use "External Procedure" you can remove it, by the way you should avoid default configure.
http://download.oracle.com/docs/cd/B19306_01/network.102/b14212/advcfg.htm#sthref1331
http://download.oracle.com/docs/cd/B19306_01/network.102/b14212/advcfg.htm#NETAG0132
http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14251/adfns_extern_proc.htm#sthref1658
Sample create External Procedure:
http://surachartopun.com/2008/07/create-and-run-sample-external.html

Facing some issue regarding Requisition interface table

I am facing some issue regarding Requisition interface table..
Purpose: we have to massage data & create massage data & create Requisitions.
Issue Detail:
Before:
Previously it was Auto Create Purchase Requisition
On the move transaction form step 10 to 20, this step will trigger creation of requisition.
and Creating Requisition successfully.
After:
After stopping Auto Create Purchase Requisition functionality the Requisition interface data is not getting populated in the Requisition Interface tables as well.
Please provide your inputs.

It's standard functionality not to populate the req interface while you don't want to autocreate.
Thanks,
PS.

Some clarifications regarding inmemmory replication

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