Load Balancing Server Error

Hi Expert's
I am working on Netweaver BI integrated with EP. while creating JCo destinations for both model and meta data, we have an option of selecting load balancing server and application server. the connection with application server is working fine but when come's to load balancing server it is asking for system group.
Added to this we are working on single server. Pls let us know is system group is necessary? also let us know where to create system group?
Regards
Subbaraju

Hi Ashok,
As I already mentioned we are working on BI 7.0 We are facing problem while Configuring JCo destinations In JCo we have maintained Meta and Model Data using load balancing server and application server Now when using Tr.RSPLAN and selecting START MODELER it is routing into local host. But after logging, It is routing to standard SAP host (host=pwdfm101) instead of our local host .
Note: Routing means opening the web Dynpro page.
I hope this makes things clear.
Regards
Subbaraju

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As Gilles said you need to make sure that the return traffic from the real server should come back to CSS.
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Error in creation of JCO with Load balancing server

Hi,
We are using a ABAP user base for our WEBAS server 6.40 (with ABAP+JAVA). i have created a Public group in concerned ECC 5.0 system. I have already configured SLD, and then i maintain data supplier bridge in SLD and run RZ70 in ECC 5.0 system to load system information.. i can see details in SLD ..
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com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=<servername> GROUP=PUBLIC R3NAME=SID MSSERV=sapms<SID> PCS=1 ERROR service 'sapms<SID>' unknown TIME Fri Jun 16 12:41:20 2006 RELEASE 640 COMPONENT NI (network interface) VERSION 37 RC -3 MODULE ninti.c LINE 505 DETAIL NiPGetServByName2: service 'sapms<SID>' not found SYSTEM CALL getservbyname_r COUNTER 1
i am able to create single server JCO, but it fails in load balancing.. is there anything i have missed out in settings...
Thanks and regards,
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Thanks, Bogdan Rokosa
I have the same problem,and solved it following the steps provided by Bogdan Rokosa :
you must insert an entry for your R3 system
(like: sapms<SID> 3600/tcp)
in services file
(C:\WINDOWS\system32\drivers\etc\services) on Java WAS.
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Webdispatcher SSL load balance server mismatch errors

We are setting up a webdispatcher to access an Enterprise Portal with multiple instances. Currently it is working but we are having to overide host mismatches. in webdispacther log we see
[Thr 4856] Mon Mar 07 11:38:02 2011
[Thr 4856] MatchTargetName("aaa.mycompany.com", "CN=bbb.mycompany.com, OU=xxx, O=ooo, L=ccc, SP=sss, C=US") FAILS
[Thr 4856] SSL NI-sock: local=##.21.13.137:50746 peer=##.21.13.131:51001
[Thr 4856] <<- ERROR: SapSSLSessionStart(sssl_hdl=0000000008565100)==SSSLERR_SERVER_CERT_MISMATCH
The Portal instances are on
aaa.mycompany.com
bbb.mycompany.com
Currently have a CA approved certificate for each server installed in the portal. Dispatcher on aaa uses aaa cert, dispatcher on bbb uses bbb cert.
Message server is on aaa, but it will load balance and place you on either instance.
have following related parameters
wdisp/ssl_encrypt = 2
wdisp/ssl_auth = 2
wdisp/ssl_cred = C:\usr\sap\XXX\W00\sec\XXX.pse
wdisp/ssl_certhost = aaa.mycompany.com
wdisp/ssl_ignore_host_mismatch = TRUE
C:\usr\sap\XXX\W00\sec\XXX.pse has ssl cert of both aaa and bbb servers.
All seems to be working, as users are load balancing. They are not getting certificate mismatches in their browser anymore. We are getting the SSSLERR_SERVER_CERT_MISMATCH errors, but the messages do not seem to cause an issue since we have wdisp/ssl_ignore_host_mismatch set.
Can we eliminate those mismatch errors instead of masking the problem with wdisp/ssl_ignore_host_mismatch?
Should each portal instance have their own ssl cert, or is there a way to use one cert such as the aaa.mycompany.com cert on each portal instance? It seems like that might eliminate the mismatch errors. However, what happens when you go directly to the bbb.mycompany.com portal instance? there is a certificate error if you specify aaa's and you go to bbb. I was wondering if the wdisp/ssl_auth and wdisp/ssl_certhost are valid in the portal system so that each server uses the aaa server and certificate. I could not tell if this parameter is valid for java-only portal systems.
Thanks for your help.
Edited by: Fett Patrick on Mar 7, 2011 8:35 PM

Thank you Martin for your prompt reply. Can you clarify please, can we use the wdisp/ssl_certhost parameter in the instance profiles of the portal instances? I wasn't sure if that is only valid for webdispatchers or can also be used in abap/java systems?
We orginally had the aaa server certificate listed for each dispatcher in the portal under ssl provider runtime server identity. That caused a browser "certificate error" when accessing the bbb server. So we then installed an ssl certificate for bbb for its dispatcher. We could then go to either server with no browser "certificate mismatch" error.
Then when we added the webdispatcher, we started getting the server mismatch errors at the webdispatcher level. If the wdisp/ssl_certhost can be used in the portal profiles, then that would hopefully resolve direct access or via web dispatcher aceess mismatches. I.E. only the aaa ssl certificate would be used and parameters would be set at both the webdispatcher and portal profiles
Thanks, Pat.

Load Balancing, Server and / or Client ?

Hi
I am experiencing a problem with the connection pooling in odp.net. I have a simple test app that creates a connection, executes a query, populates an object then closes the connection. I have found that when I have client side load balancing on via the odp.net connection string property many connections are made unnecessary (sometime the actual number created reaches the max pool size but the numbers differ randomly). It appears that rather than a free connection in the pool being used more connections are being created which defeats the point of having a connection pool. I do have server side load balancing configured correctly also. Due to this finding can someone possibly answer the following questions.
a) Do I need both server side and client side load balancing set?
b) If I do why is the above behaviour being seen? If not could you give me a short explanation as to why not?
Current set up is 11g (patched to 6, awaiting 7 to be applied) RAC, 2 nodes.
Below is the C# code used while testing this. The table queried is a simple person table containing 16000 rows if data.
OcConnection = "User Id=XXX; Password=XXX; Connection Lifetime = 60; Data Source=(DESCRIPTION=(ADDRESS_LIST=(FAILOVER=on)(LOAD_BALANCE=off)(ADDRESS=(PROTOCOL=tcp)(HOST=XXX)(PORT=1521))(ADDRESS=(PROTOCOL=tcp)(HOST=XXX)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=MyFirstTest))); Pooling=true; HA Events = true; Load Balancing = true";
Code:-
Oracle.DataAccess.Client.OracleConnection con;
con = new Oracle.DataAccess.Client.OracleConnection();
con.ConnectionString =OcConnection;
con.Open();
// the command object to use for this test
OracleCommand cmd = con.CreateCommand();
cmd.CommandText = "select * from PERSON";
OracleDataReader rdr = cmd.ExecuteReader();
List<test> listTest = new List<test>();
while (rdr.Read())
test dc = new test();
if (!rdr.IsDBNull(0))
dc.id = Convert.ToInt32(rdr.GetValue(0));
if (!rdr.IsDBNull(1))
dc.forename = rdr.GetString(1);
if (!rdr.IsDBNull(2))
dc.surname = rdr.GetString(2);
if (!rdr.IsDBNull(3))
dc.street = rdr.GetString(3);
if (!rdr.IsDBNull(4))
dc.city = rdr.GetString(4);
if (!rdr.IsDBNull(5))
dc.postcode = rdr.GetString(5);
if (!rdr.IsDBNull(6))
dc.country = rdr.GetString(6);
if (!rdr.IsDBNull(7))
dc.email = rdr.GetString(7);
if (!rdr.IsDBNull(8))
dc.dateadded = rdr.GetDateTime(8);
if (!rdr.IsDBNull(9))
dc.randWords = rdr.GetString(9);
if (!rdr.IsDBNull(10))
dc.uniqueNumber = Convert.ToInt32(rdr.GetValue(10));
listTest.Add(dc);
rdr.Close();
con.Close();
rdr.Dispose();
cmd.Dispose();
con.Dispose();
Thanks for your time
Victoria

Here are the HTTP Headers as monitored on the client side. Notice the good.txt file includes a GET as it's initial request. All works fine in this case. However, the initial request in the bad.txt is a POST. This is odd since the URL was opened using the same shortcut in both incidents and the browser was closed between each trace that was taken. I've also reviewed the shortcut with notepad to verify it does not include unwanted data such as the JSESSIONID info....etc.
Once you have reviewed the HTTP headers, I have these questions.
1. IIS is sending the 100 Continue messages as you mention, but why is the CSS injecting the cookie in a 100 response that is not typically processed by the client? The bad.txt file shows the client receiving two ARPT cookies because the first cookie in the 100 continue response was ignored.
2. I know Cisco is not really in the business of troubleshooting browser behaviour. But do you know why the browser would behave differently....GET in one request and a POST in the next? We do not wish to get into modifying the browser, so I'm hoping we can provide a solution on the server side that will allow the browser to function this way if it chooses to do so. Do you think it would make sence to push the state management up a level to the cookie handed out by JRUN? This way, the cookie would not be handed back in a 100 response from IIS, and we could tell the CSS to monitor the JRUN cookie. Of course this would require we determine how to manage this cookie either by modifying to cookie to have static data for each server, or by using the right method of hashing...etc.
Chris

System with load balancing server

Hi All,
We are having SAP NW 7.0 Portal and back end we have R3 implemented in a cluster environment. The system object in EP have used "System with Load balancing" template; using the LOGON group and the other related parameters.
But we have some problem with the ITS and WAS parameters; since we are using some Transaction iViews.
Let me explain.. for the R3 cluster we have 2 systems PROD1.domain.ext and PROD2.domain.ext. Now in the system object in portal, how to specify the parameters for ITS and WAS parameters? Since the host name in these we need to specify a single server which defeats the basic purpose of having clustered environment.
Can any one please help in resolving this issue.
Thanks,
Sravanthi

Hi Sravanthi,
Please check the below for finding ITS and WAS parameters from backend :
For ITS - Go to SE37 >> Utilities >> Setting >> Click on ICON Right Top Corner in popup window >> Select Internet Transaction Server >> you will find the Standard Path and HTTP URL.
For WAS - Go to SE37 >> Run FM - RSBB_URL_PREFIX_GET >> Execute it >> you will find PRefix and PAth paramter for WAS.
Please refer to this may help step-by-step : How-to create a portal system for using it in Visual Composer
Hope it helps
Regards
Arun

Load Balancing cockpit error

          We are testing clustering and load balancing using WLS 6SP1. We have found that
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          another server). However, we find that all calls (modulo failover) always go to
          the same server. We expected to get round-robin for each home access. I've attached
          the config.xml and deployment descriptors. What am I missing here? Is there anything
          special I should be doing code wise?
          BTW: All calls are going to a stateless session bean.
          Regards,
          Andy
          [config.zip]


          Viresh Garg <[email protected]> wrote:
          >The attached config.zip seems to be corrupted. I can't download it.
          Wierd, I've just managed to download it. Anyway, I'll paste the
          contents into the text below.
          >
          >I am assuming that you are using a JAVA client. Could you describe your
          >test case to
          >test the load balancing between home methods of EJB ( what kind of EJB??)
          We have a stateless session bean. At each request we use JNDI to
          obtain a handle to a stateless session bean. We invoke an
          operation on it and then call remove on the stateless session
          bean. We run several of these clients (Java clients) and observe
          the system load and network traffic. We see that network traffic
          is almost minimal and system load on the "other" server is non-
          existent. We know that other server can satisfy calls to the
          stateless session bean because fail over (between calls) works
          correctly. I'm sure we are doing something daft, but I can't spot it.
          --------------------- config.xml ---------------------------
          <?xml version="1.0" encoding="UTF-8"?>
          
          <Domain Name="myDomain">
          <Security Name="petstore"
          PasswordPolicy="wl_default_password_policy" Realm="myRealm"/>
          <Application Name="wl_management_internal2" Path="C:\bea\wlserver6.0sp1\config\tmp">
          <WebAppComponent Name="wl_management_internal2"
          Targets="petstoreServer" URI="wl_management_internal2.war"/>
          </Application>
          <PasswordPolicy Name="wl_default_password_policy"/>
          <Server Cluster="PetStoreCluster" ClusterWeight="80"
          IIOPEnabled="false" JavaCompiler="C:\bea\jdk130/bin/javac"
          ListenAddress="194.152.80.29" ListenPort="7001" Machine="ROWAN"
          Name="petstoreServer" NativeIOEnabled="false"
          RootDirectory="C:\bea\wlserver6.0sp1" StdoutDebugEnabled="true"
          StdoutEnabled="true" StdoutSeverityLevel="64"
          ThreadPoolSize="15" TransactionLogFilePrefix="config/myDomain/logs/">
          <Log FileName="./config/myDomain/logs/weblogic.log" Name="petstoreServer"/>
          <ServerDebug DebugAbbreviation="false" DebugCluster="true"
          DebugClusterAnnouncements="true"
          DebugClusterFragments="true" DebugClusterHeartbeats="true"
          DebugConnection="true" DebugEJB="true" DebugEJBCache="true"
          DebugEJBCalls="false" DebugEJBDeployment="true"
          DebugEJBFreepool="true" DebugEJBLocking="true"
          DebugEJBPersistence="true" DebugEJBSecurity="true"
          DebugEventManager="true" DebugFailOver="true"
          DebugHttp="true" DebugJMSBackEnd="true" DebugJMSBoot="true"
          DebugJMSCommon="true" DebugJMSConfig="true"
          DebugJMSDurableSubscribers="true" DebugJMSFrontEnd="true"
          DebugJMSJDBCScavengeOnFlush="true" DebugJMSLocking="true"
          DebugJMSStore="true" DebugJMSXA="true" DebugJNDI="true"
          DebugJNDIFactories="true" DebugJNDIResolution="false"
          DebugLoadBalancing="true" DebugMessaging="true"
          DebugRC4="true" DebugRSA="true" DebugReplication="true"
          DebugReplicationDetails="true" DebugRouting="true"
          DebugSSL="true" DebugSecurityPasswordPolicy="true"
          DebugSecurityRealm="true" DebugTunnelingConnection="true"
          DebugTunnelingConnectionTimeout="true"
          DebugURLResolution="true" JDBCConn="true" JDBCSQL="true"
          JTA2PC="true" JTAAPI="true" JTAJDBC="true"
          JTAPropagate="true" JTARMI="true" JTARecovery="true"
          JTATLOG="true" JTAXA="true" ListenThreadDebug="true"
          LogDGCStatistics="true" MagicThreadDumpBackToSocket="false"
          MagicThreadDumpEnabled="false"
          MagicThreadDumpFile="debugMagicThreadDumpFile"
          MagicThreadDumpHost="localhost" Name="petstoreServer"/>
          <SSL CertificateCacheSize="3" Enabled="true" ListenPort="7002"
          Name="petstoreServer"
          ServerCertificateChainFileName="./config/myDomain/ca.pem"
          ServerCertificateFileName="./config/myDomain/democert.pem"
          ServerKeyFileName="./config/myDomain/demokey.pem" TrustedCAFileName="./config/myDomain/ca.pem"/>
          <WebServer DefaultWebApp="tour"
          LogFileName="./config/myDomain/logs/access.log"
          LoggingEnabled="true" Name="petstoreServer"/>
          <KernelDebug Name="petstoreServer"/>
          </Server>
          <Application Name="wl_management_internal1" Path="C:\bea\wlserver6.0sp1\config\tmp">
          <WebAppComponent Name="wl_management_internal1"
          Targets="petstoreServer" URI="wl_management_internal1.war"/>
          </Application>
          <Application Deployed="true" Name="tour" Path="C:\bea\wlserver6.0sp1\config\myDomain\applications">
          <WebAppComponent Name="tour" Targets="petstoreServer" URI="tour.war"/>
          </Application>
          <FileRealm Name="myFileRealm"/>
          <Security Name="myDomain"
          PasswordPolicy="wl_default_password_policy" Realm="wl_default_realm"/>
          <Application Deployed="true" Name="monitorApp1_1" Path="C:\bea\wlserver6.0sp1\config\myDomain\applications\monitorApp1_1.ear">
          <EJBComponent Name="monitorBeans1_1" Targets="PetStoreCluster" URI="monitorBeans1_1.jar"/>
          <WebAppComponent Name="monitorClient1_1"
          Targets="PetStoreCluster" URI="monitorClient1_1.war"/>
          </Application>
          <ApplicationManager Name="petstore"/>
          <FileRealm Name="wl_default_file_realm"/>
          <JDBCConnectionPool CapacityIncrement="1"
          DriverName="com.inet.tds.TdsDriver" InitialCapacity="1"
          JDBCXADebugLevel="0" LoginDelaySeconds="0" MaxCapacity="10"
          Name="monitorSimplePool"
          Properties="sql7=true;user=sa;port=1433;password=;url=jdbc:inetdae7:194.152.80.29;host=194.152.80.29;database=poc3a"
          RefreshMinutes="0" ShrinkPeriodMinutes="15"
          ShrinkingEnabled="true" SupportsLocalTransaction="false"
          Targets="PetStoreCluster" TestConnectionsOnRelease="false"
          TestConnectionsOnReserve="false" URL="jdbc:inetdae7:194.152.80.29"/>
          <Machine Name="ROWAN"/>
          <Log FileName="./config/myDomain/logs/wl-domain.log" Name="petstore"/>
          <Server AcceptBacklog="50" AdministrationPort="0"
          Cluster="PetStoreCluster" ClusterWeight="100"
          CompleteHTTPMessageTimeout="480"
          CompleteIIOPMessageTimeout="480" CompleteT3MessageTimeout="480"
          ConsoleInputEnabled="false" DGCIdlePeriodsUntilTimeout="2"
          DefaultIIOPPassword="guest" DefaultIIOPUser="guest"
          DefaultProtocol="t3" DefaultSecureProtocol="t3s"
          EnabledForDomainLog="true" HelpPageURL="/docs/adminhelp/"
          HttpdEnabled="true" IIOPEnabled="false"
          IdlePeriodsUntilTimeout="4" InstrumentStackTraceEnabled="false"
          JDBCLoggingEnabled="false"
          JMSDefaultConnectionFactoriesEnabled="true"
          JavaCompiler="C:\bea\jdk130/bin/javac"
          ListenAddress="194.152.80.1" ListenPort="7001"
          ListenThreadStartDelaySecs="0"
          LogRemoteExceptionsEnabled="false" LoginTimeout="1000"
          LoginTimeoutMillis="5000" Machine="MOUSE"
          MaxHTTPMessageSize="10000000" MaxIIOPMessageSize="10000000"
          MaxT3MessageSize="10000000" Name="petstoreServerClone"
          NativeIOEnabled="false" NetworkClassLoadingEnabled="false"
          PeriodLength="60000" ResponseTimeout="0"
          ReverseDNSAllowed="false" RjvmIdleTimeout="0"
          RootDirectory="C:\bea\wlserver6.0sp1"
          SocketReaderTimeoutMaxMillis="1000"
          SocketReaderTimeoutMinMillis="100" StdoutDebugEnabled="true"
          StdoutEnabled="true" StdoutSeverityLevel="64"
          ThreadPoolPercentSocketReaders="33" ThreadPoolSize="15"
          TransactionLogFilePrefix="config/myDomain/logs/"
          TunnelingClientPingSecs="45" TunnelingClientTimeoutSecs="40"
          TunnelingEnabled="false" WorkspaceShowUserKeysOnly="false"
          ZACEnabled="true" ZACPublishRoot="exports">
          <WebServer ClusteringEnabled="false" DefaultWebApp="tour"
          HttpsKeepAliveSecs="60" KeepAliveEnabled="true"
          KeepAliveSecs="30" LogFileBufferKBytes="8"
          LogFileFlushSecs="60" LogFileFormat="common"
          LogFileName="./config/myDomain/logs/access.log"
          LogRotationPeriodMins="2147483647" LogRotationType="size"
          LoggingEnabled="true" MaxLogFileSizeKBytes="0"
          MaxPostSize="-1" MaxPostTimeSecs="-1"
          Name="petstoreServerClone" PostTimeoutSecs="0" WAPEnabled="false"/>
          <SSL CertificateCacheSize="3" ClientCertificateEnforced="false"
          Enabled="true" ExportKeyLifespan="500" HandlerEnabled="true"
          KeyEncrypted="false" ListenPort="8002"
          LoginTimeoutMillis="25000" MDAcceleration="Java"
          Name="petstoreServerClone" PeerValidationEnforced="0"
          RC4Acceleration="Native/Java" RSAAcceleration="Native/Java"
          ServerCertificateChainFileName="./config/myDomain/ca.pem"
          ServerCertificateFileName="./config/myDomain/democert.pem"
          ServerKeyFileName="./config/myDomain/demokey.pem"
          TrustedCAFileName="./config/myDomain/ca.pem" UseJava="true"/>
          <Log FileCount="7" FileMinSize="500"
          FileName="./config/myDomain/logs/weblogic_clone.log"
          FileTimeSpan="24" Name="petstoreServerClone"
          NumberOfFilesLimited="false" RotationType="none"/>
          <KernelDebug Name="petstoreServerClone"/>
          <ServerDebug DebugAbbreviation="false" DebugCluster="true"
          DebugClusterAnnouncements="true"
          DebugClusterFragments="true" DebugClusterHeartbeats="true"
          DebugConnection="true" DebugEJB="true" DebugEJBCache="true"
          DebugEJBCalls="false" DebugEJBDeployment="true"
          DebugEJBFreepool="true" DebugEJBLocking="true"
          DebugEJBPersistence="true" DebugEJBSecurity="true"
          DebugEventManager="true" DebugFailOver="true"
          DebugHttp="true" DebugJMSBackEnd="true" DebugJMSBoot="true"
          DebugJMSCommon="true" DebugJMSConfig="true"
          DebugJMSDurableSubscribers="true" DebugJMSFrontEnd="true"
          DebugJMSJDBCScavengeOnFlush="true" DebugJMSLocking="true"
          DebugJMSStore="true" DebugJMSXA="true" DebugJNDI="true"
          DebugJNDIFactories="true" DebugJNDIResolution="false"
          DebugLoadBalancing="true" DebugMessaging="true"
          DebugRC4="true" DebugRSA="true" DebugReplication="true"
          DebugReplicationDetails="true" DebugRouting="true"
          DebugSSL="true" DebugSecurityPasswordPolicy="true"
          DebugSecurityRealm="true" DebugTunnelingConnection="true"
          DebugTunnelingConnectionTimeout="true"
          DebugURLResolution="true" JDBCConn="true" JDBCSQL="true"
          JTA2PC="true" JTAAPI="true" JTAJDBC="true"
          JTAPropagate="true" JTARMI="true" JTARecovery="true"
          JTATLOG="true" JTAXA="true" ListenThreadDebug="true"
          LogDGCStatistics="false" MagicThreadDumpBackToSocket="false"
          MagicThreadDumpEnabled="false"
          MagicThreadDumpFile="debugMagicThreadDumpFile"
          MagicThreadDumpHost="localhost" Name="petstoreServerClone"/>
          </Server>
          <Log FileName="myDomain.log" Name="myDomain"/>
          <JTA Name="myDomain"/>
          <Machine Name="MOUSE"/>
          <ApplicationManager Name="myDomain"/>
          <Realm FileRealm="myFileRealm" Name="myRealm"/>
          <Realm FileRealm="wl_default_file_realm" Name="wl_default_realm"/>
          <Cluster ClusterAddress="194.152.80.1,194.152.80.29:7001"
          DefaultLoadAlgorithm="round-robin"
          MulticastAddress="224.10.10.1" Name="PetStoreCluster" ServiceAgeThresholdSeconds="180"/>
          <Application Name="console" Path="C:\bea\wlserver6.0sp1\config\examples\applications">
          <WebAppComponent Name="console" Targets="petstoreServer" URI="console.war"/>
          </Application>
          <JDBCDataSource JNDIName="monitorSimplePool"
          Name="monitorSimpleDB_1" PoolName="monitorSimplePool" Targets="PetStoreCluster"/>
          </Domain>
          ---------------------- ejb-jar.xml -------------------------
          <?xml version="1.0"?>
          <!DOCTYPE ejb-jar PUBLIC '-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans
          1.1//EN' 'http://java.sun.com/j2ee/dtds/ejb-jar_1_1.dtd'>
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          <remote>com.liffe.monitor.contractonly.server.Contract</remote>
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          <ejb-name>ContractBMP</ejb-name>
          <home>com.liffe.monitor.contractonly.server.bmp.ContractBMPHome</home>
          <remote>com.liffe.monitor.contractonly.server.Contract</remote>
          <ejb-class>com.liffe.monitor.contractonly.server.bmp.ContractBMPBean</ejb-class>
          <persistence-type>Bean</persistence-type>
          <prim-key-class>com.liffe.monitor.general.ContractPK</prim-key-class>
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          <session>
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          <remote>com.liffe.monitor.contractonly.server.ContractMonitor</remote>
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          <transaction-type>Container</transaction-type>
          <ejb-ref>
          <ejb-ref-name>ejb/ContractCMPHome</ejb-ref-name>
          <ejb-ref-type>Entity</ejb-ref-type>
          <home>com.liffe.monitor.contractonly.server.cmp.ContractCMPHome</home>
          <remote>com.liffe.monitor.contractonly.server.Contract</remote>
          </ejb-ref>
          <ejb-ref>
          <ejb-ref-name>ejb/ContractBMPHome</ejb-ref-name>
          <ejb-ref-type>Entity</ejb-ref-type>
          <home>com.liffe.monitor.contractonly.server.bmp.ContractBMPHome</home>
          <remote>com.liffe.monitor.contractonly.server.Contract</remote>
          </ejb-ref>
          </session>
          <session>
          <ejb-name>InjectorTarget</ejb-name>
          <home>com.liffe.monitor.injector.server.InjectorTargetHome</home>
          <remote>com.liffe.monitor.injector.server.InjectorTarget</remote>
          <ejb-class>com.liffe.monitor.injector.server.InjectorTargetBean</ejb-class>
          <session-type>Stateless</session-type>
          <transaction-type>Container</transaction-type>
          <ejb-ref>
          <ejb-ref-name>ejb/ContractCMPHome</ejb-ref-name>
          <ejb-ref-type>Entity</ejb-ref-type>
          <home>com.liffe.monitor.contractonly.server.cmp.ContractCMPHome</home>
          <remote>com.liffe.monitor.contractonly.server.Contract</remote>
          </ejb-ref>
          <ejb-ref>
          <ejb-ref-name>ejb/ContractBMPHome</ejb-ref-name>
          <ejb-ref-type>Entity</ejb-ref-type>
          <home>com.liffe.monitor.contractonly.server.bmp.ContractBMPHome</home>
          <remote>com.liffe.monitor.contractonly.server.Contract</remote>
          </ejb-ref>
          </session>
          </enterprise-beans>
          <assembly-descriptor>
          <method-permission>
          <role-name>everyone</role-name>
          <method>
          <ejb-name>InjectorTarget</ejb-name>
          <method-name>*</method-name>
          </method>
          </method-permission>
          <container-transaction>
          <method>
          <ejb-name>ContractCMP</ejb-name>
          <method-intf>Remote</method-intf>
          <method-name>*</method-name>
          </method>
          <trans-attribute>Required</trans-attribute>
          </container-transaction>
          <container-transaction>
          <method>
          <ejb-name>ContractMonitor</ejb-name>
          <method-intf>Remote</method-intf>
          <method-name>*</method-name>
          </method>
          <trans-attribute>Required</trans-attribute>
          </container-transaction>
          <container-transaction>
          <method>
          <ejb-name>InjectorTarget</ejb-name>
          <method-name>*</method-name>
          </method>
          <trans-attribute>Required</trans-attribute>
          </container-transaction>
          </assembly-descriptor>
          </ejb-jar>
          ------------------- weblogic-ejb-jar.xml -----------------
          <?xml version="1.0"?>
          <!DOCTYPE weblogic-ejb-jar PUBLIC '-//BEA Systems, Inc.//DTD WebLogic 5.1.0 EJB//EN'
          'http://www.bea.com/servers/wls510/dtd/weblogic-ejb-jar.dtd'>
          <weblogic-ejb-jar>
          <weblogic-enterprise-bean>
          <ejb-name>ContractCMP</ejb-name>
          <caching-descriptor>
          <max-beans-in-cache>1000</max-beans-in-cache>
          </caching-descriptor>
          <persistence-descriptor>
          <persistence-type>
          <type-identifier>WebLogic_CMP_RDBMS</type-identifier>
          <type-version>5.1.0</type-version>
          <type-storage>META-INF/weblogic-cmp-rdbms-jar-contractonly-cmp.xml</type-storage>
          </persistence-type>
          <persistence-use>
          <type-identifier>WebLogic_CMP_RDBMS</type-identifier>
          <type-version>5.1.0</type-version>
          </persistence-use>
          </persistence-descriptor>
          <clustering-descriptor>
          <home-is-clusterable>true</home-is-clusterable>
          <home-load-algorithm>random</home-load-algorithm>
          </clustering-descriptor>
          <transaction-descriptor>
          <trans-timeout-seconds>15</trans-timeout-seconds>
          </transaction-descriptor>
          <jndi-name>com.liffe.monitor.contractonly.server.cmp.ContractCMPHome</jndi-name>
          <transaction-isolation>
          <isolation-level>TRANSACTION_READ_COMMITTED</isolation-level>
          <method>
          <ejb-name>ContractCMP</ejb-name>
          <method-intf>Remote</method-intf>
          <method-name>*</method-name>
          </method>
          </transaction-isolation>
          </weblogic-enterprise-bean>
          <weblogic-enterprise-bean>
          <ejb-name>ContractBMP</ejb-name>
          <caching-descriptor>
          <max-beans-in-cache>1000</max-beans-in-cache>
          </caching-descriptor>
          <clustering-descriptor>
          <home-is-clusterable>true</home-is-clusterable>
          <home-load-algorithm>random</home-load-algorithm>
          </clustering-descriptor>
          <transaction-descriptor>
          <trans-timeout-seconds>15</trans-timeout-seconds>
          </transaction-descriptor>
          <jndi-name>com.liffe.monitor.contractonly.server.bmp.ContractBMPHome</jndi-name>
          <transaction-isolation>
          <isolation-level>TRANSACTION_READ_COMMITTED</isolation-level>
          <method>
          <ejb-name>ContractBMP</ejb-name>
          <method-intf>Remote</method-intf>
          <method-name>*</method-name>
          </method>
          </transaction-isolation>
          </weblogic-enterprise-bean>
          <weblogic-enterprise-bean>
          <ejb-name>ContractMonitor</ejb-name>
          <caching-descriptor>
          <max-beans-in-cache>100</max-beans-in-cache>
          </caching-descriptor>
          <clustering-descriptor>
          <home-is-clusterable>true</home-is-clusterable>
          <home-load-algorithm>round-robin</home-load-algorithm>
          </clustering-descriptor>
          <reference-descriptor>
          <ejb-reference-description>
          <ejb-ref-name>ejb/ContractCMPHome</ejb-ref-name>
          <jndi-name>com.liffe.monitor.contractonly.server.cmp.ContractCMPHome</jndi-name>
          </ejb-reference-description>
          <ejb-reference-description>
          <ejb-ref-name>ejb/ContractBMPHome</ejb-ref-name>
          <jndi-name>com.liffe.monitor.contractonly.server.bmp.ContractBMPHome</jndi-name>
          </ejb-reference-description>
          </reference-descriptor>
          <jndi-name>com.liffe.monitor.contractonly.server.ContractMonitorHome</jndi-name>
          </weblogic-enterprise-bean>
          <weblogic-enterprise-bean>
          <ejb-name>InjectorTarget</ejb-name>
          <caching-descriptor>
          <max-beans-in-free-pool>50</max-beans-in-free-pool>
          </caching-descriptor>
          <clustering-descriptor>
          <home-is-clusterable>true</home-is-clusterable>
          <home-load-algorithm>round-robin</home-load-algorithm>
          </clustering-descriptor>
          <reference-descriptor>
          <ejb-reference-description>
          <ejb-ref-name>ejb/ContractCMPHome</ejb-ref-name>
          <jndi-name>com.liffe.monitor.contractonly.server.cmp.ContractCMPHome</jndi-name>
          </ejb-reference-description>
          <ejb-reference-description>
          <ejb-ref-name>ejb/ContractBMPHome</ejb-ref-name>
          <jndi-name>com.liffe.monitor.contractonly.server.bmp.ContractBMPHome</jndi-name>
          </ejb-reference-description>
          </reference-descriptor>
          <jndi-name>ejb/InjectorTargetHome</jndi-name>
          </weblogic-enterprise-bean>
          </weblogic-ejb-jar>
          ---------------------- weblogic-cmp-.... ---------------------
          <!DOCTYPE weblogic-rdbms-bean PUBLIC
          '-//BEA Systems, Inc.//DTD WebLogic 5.1.0 EJB RDBMS Persistence//EN'
          'http://www.bea.com/servers/wls510/dtd/weblogic-rdbms-persistence.dtd'>
          <weblogic-rdbms-bean>
          <pool-name>monitorSimplePool</pool-name>
          <table-name>Contract</table-name>
          <attribute-map>
          <object-link>
          <bean-field>contractCode</bean-field>
          <dbms-column>contractCode</dbms-column>
          </object-link>
          <object-link>
          <bean-field>tradeVolume</bean-field>
          <dbms-column>tradeVolume</dbms-column>
          </object-link>
          <object-link>
          <bean-field>suspended</bean-field>
          <dbms-column>suspended</dbms-column>
          </object-link>
          </attribute-map>
          <finder-list>
          <finder>
          <method-name>findByGTVolume</method-name>
          <method-params>
          <method-param>int</method-param>
          </method-params>
          <finder-query><![CDATA[(> tradeVolume $0)]]></finder-query>
          </finder>
          <finder>
          <method-name>findAllContracts</method-name>
          <finder-query><![CDATA[(isNotNull contractCode)]]></finder-query>
          </finder>
          </finder-list>
          <options>
          <use-quoted-names>false</use-quoted-names>
          </options>
          </weblogic-rdbms-bean>

How to load balance serving MP4 files via AMS

Hey gurus,
We have one centralized storage server that stores videos, Lets call this Server A, we have 4 more servers that we want to use to load the files from Server A to load balance and location balance the loading of files.
Servers B-E are on a private VLAN with Server A; so what we're doing now is mounting Server A on to Servers B-E and serving the files via AMS; this has proved to be quite inefficient.
For Live Streams; we use multi-point publishing to achieve this; is there a way to do this with recorded files?
Please advise!
Thanks

Here are few bits of info:
For load balancing for Analytics, that isn't officially supported yet for the UI and Administration components. It might work with sticky sessions from portal-to-analytics but that doesn't get you much. Improving the options there would be a good enhancement request.
For the collector, I think there are two important things to remember. Use broadcast mode. I've never actually seen it in unicast mode, but broadcast definitely works. Also, remember that this is all managed by Portal and Analytics - you don't use your own load balancer between Portal instances and the Analytics Collector instances.
Finally, ALUI Directory is not certified to be load balanced yet. On a separate note, ALUI Directory has a socket leak on Windows due to a bug in the version of Jrockit that ships with it. Upgrading the embedded application server for the ALUI/WCI installation to jrockit-R27.5.0-jdk1.5.0_14 will resolve it.

Application not Loaded, Internal Server Error

I am trying to Deploy EAR application in Oracle Application Server 9.0.4. The application is contain WAR and EJB Jar file.
When it finish to deploy and instance is running but in that page display Internal Server Error. Etc.
I am seeing in web application WAR the status is not loaded, but the EJB jar file is loaded.
I have search for logs in my application but not show any error, this is error log from apache/logs/error.xxxxx.
==========================================
[Wed May 12 15:11:36 2010] [error] [client 127.0.0.1] [ecid: 172.16.4.54:45551:1273651896869,2] MOD_OC4J_0015: recv() returns 0. There has no message available to be received and oc4j has gracefully (orderly) closed the connection.
[Wed May 12 15:11:36 2010] [error] [client 127.0.0.1] [ecid: 172.16.4.54:45551:1273651896869,2] MOD_OC4J_0054: Failed to call network routine to receive an ajp13 message from oc4j.
[Wed May 12 15:11:36 2010] [error] [client 127.0.0.1] [ecid: 172.16.4.54:45551:1273651896869,2] MOD_OC4J_0033: Failed to receive an ajp13 message from oc4j.
[Wed May 12 15:11:36 2010] [warn] [client 127.0.0.1] [ecid: 172.16.4.54:45551:1273651896869,2] MOD_OC4J_0078: Network connection errors happened to host: aegisapp2.acc.co.id and port: 3301 while receiving the first response from oc4j. This request is recoverable.
Anyone know something about this?
Thanks,
Hakim.

Hi,
In several days since I deploy that EAR file, the application is loaded.
I think this cause some wait and running process for that.
Is someone happening the same?
Thanks.
Hakim.

Load Balance Manager Error

Got the error below:
Unable to create load balance manager object!
Please verify that the user name, password, and dom,ain name are correct.
Error = Cannot create ActiveX component.
Source = Microsoft.VisualBasic
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Can anyone help please? Thanks!

What version of FDM are you using?

Two load balanced server sending requests to external system on different protocol

Hi,
I have two loadbalanced OEG servers (server A and server B) with same endpoint configurations in envsetting.props. But when requesting the service, it is creting different URI in both servers. In one of server (server A)it sets URI with following details :
DEBUG   30/Mar/2015:07:29:34.356 [92b0e940]     Set host='abc.tdc.dk'
DEBUG   30/Mar/2015:07:29:34.356 [92b0e940]     Set port='80'
DEBUG   30/Mar/2015:07:29:34.356 [92b0e940]     Set scheme='https'
and fails with following error : ERROR   30/Mar/2015:07:29:34.370 [92b0e940]         [SSL_connect, 0x1220]: error - SSLv2/v3 read server hello A.
However another server (server B),sets URI as :
DEBUG   30/Mar/2015:07:29:34.356 [92b0e940]     Set host='abc.tdc.dk'
DEBUG   30/Mar/2015:07:29:34.356 [92b0e940]     Set port='80'
DEBUG   30/Mar/2015:07:29:34.356 [92b0e940]     Set scheme='http'
and successfully processes the request.
So can you please help here to know even if we are using same endpoints configuration (abc.tdc.dk ) and port (80) on both the servers , then why the URL is set as http on one of server and https on another.
Thanks !!!
Akshay

Hi
Thanks for immediate respose. I tried the ping/acknowledgement example in the biginning itself. It doesn't work. I also tried by changing the agents ( to respective values suitable for my systems) of that example. Then also it failed. The error in that case also same. The message will not propogate from the out going agent.

Load Balance serve issue

Hi,
We have defined 2 servers (server1,server2)in FDM and also added these servers in Machine profile.
We are executing UPSshell.exe which should place .dat file in server1. The server name is also specified as server1 in Upsshell script. But, the issue we are facing is, on first execution, .dat is placed in openbacth of server1,while on second execution .dat is placed in server2. This is causing issue in our dataload. Batch load script is looking for file in server1 and since the file is in server2, datais not getting loaded. Can anyone let me know wht am I missing here , as the .dat file is saved in server2, even after specifying serever as server1 in upsshell.exe script.
Appreciate early response as this is refraining us from proceeding ahead ..Thanks

You need to have a single FDM application folder share point, such as FDMDATA and then your application sub-folders beneath it.
Then your application path should be specified as UNC path (\\ServerNameFDMDATA\AppName)
You can update the path using <Add Application>
A) Choose <Add Application> at the login form
B) Login and highlight the application and choose "modify"
C) Update the application path.

Load Balancing Server reg

Hi Gurus
If i have Installed Foundation services in 4 environments, How HFM will switch to another environments based on Users load ?
Do we need to write any kind of scripts or functions?
regards
Sarilla

self

Error while selecting Load Balancing in JCO creation

While creating JCO i am facing this error.It is working fine with Single server connection,but when i chose Load balancing i error comes out.Please tell me the solution.
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.
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=olameccpdvr GROUP=PUBLIC R3NAME=DVR MSSERV=sapmsDVR PCS=1 LOCATION CPIC (TCP/IP) on local host with Unicode ERROR service 'sapmsDVR' unknown TIME Thu Feb 24 12:19:54 201 RELEASE 701 COMPONENT NI (network interface) VERSION 38 RC -3 MODULE nixxhsl.cpp LINE 776 DETAIL NiHsLGetServNo: service name cached as unknown COUNTER 5

Is your backend system configured correctly in your SLD ?
Go to transaction SMMS on your backend system that your are connecting to. Click on Goto=>Parameters=>Display. Look for "server port" value.
This should give you the TCP/IP port for your message server. It could be 3600 or 3601 (36NN - where NN is the instance number).
In your services file, if you made the entry at the end of the file, press Enter (Return) after your entry.
Try restarting your server after making the above changes.
- Shanti

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