Issue in Clustered environment DB adapter Polling

hi all ,
i have a table and one BPEL process is polling records depending on status value .
Polled records are updated from N to P after polling .
but , In cluster environment for One Row Multiple Instances are creating .
Is there any way to ensure that in Cluster env. also for single Row , only one BPEL instance will be created ?
I am using SOA 10.1.3.4
i have used that "Distributed Polling" option in DB adapter .
In JCA file i am using below configaration : -
ActivationSpec="oracle.tip.adapter.db.DBActivationSpec"
DescriptorName="PollTable.InterfaceData"
QueryName="PollTable"
PollingStrategyName="LogicalDeletePollingStrategy"
MarkReadFieldName="STATUS"
MarkReadValue="P"
MarkUnreadValue="N"
SequencingFieldName="ENTRYTIME"
MaxRaiseSize="1"
MaxTransactionSize="1"
PollingInterval="10"
NumberOfThreads="1"
UseBatchDestroy="false"
ReturnSingleResultSet="false"
In that i am facing the Table Lock scenario .
Even if i having 10 Records in database Row .Its locking all other 9 row and no instance are generating .
Regards ...
Edited by: 807572 on Feb 28, 2012 9:36 AM

Use Reserved Value feature to avoid duplicate instances.
Even if i having 10 Records in database Row .Its locking all other 9 row and no instance are generating .Do you see any error in $ORACLE_HOME/opmn/logs/<BPEL/ESBRT container>.log file? If you are having 1-M relationship defined in adapter then possibly you are hitting a known issue.
Regards,
Anuj

Similar Messages

Issue while polling in clustered environment.

Hi All,
I am using a polling adapter which polls records from two database tables. I have set Database rows per transaction as 10 and polling interval as 30 secs. Our servers are running in clustered mode.
The issue is that, when the rows are picked by node 1 , without waiting for the polling interval node 2 picks up the next set of rows from database.
As per our requirement, rows should be polled according to the value of Database rows per transaction size. Then adapter should wait for the polling interval and then pick up the next set of rows (in the clustered environment only). Can it be achieved using custom SQL or some java code. If anyone has tried it please help me.
Thanks in advance.

See this is misconception that both nodes picks the data in turn one by one.
It totally depends on the availability of the nodes. This is how a typical active active cluster should behave.
Both nodes will show similar set of instances as they are pointing to same soa_infra schema.
We can not differentiate by checking EM that which node actually processed a particular instances.
I would like to know how are you sure that both nodes are picking file one by one without waiting other one to complete its job.
I have experience with Active active cluster with uses of DB Adapter in many scenarios. But I never observed this behavior.
Probably by understanding your applications architecture, answer to your problem can be found.
Thanks,
Ashu

Regarding issue sender file adapter in clustered environment(PI 7.0)

Hi Experts,
we are using sender file adapter in clustered environment(there are 6 J2EE cluster nodes in XI system) for an interface.the file sender communication channel for this interface is scheduled to run twice every day. recently the channel stopped polling (picking the files from the source directory) and i dont see any error.
when i open Communication Channel monitoring in RWB and select the file sender communication channel and run it manually, none of the cluster nodes are polling for the file.
i have tried editing the communication channel in Integration Directory and activating it. but it does not pick the file.
Can you let me know how the issue can be resolved.
Thanks
-Kaushik
Edited by: Kausik M on Dec 18, 2008 4:13 AM

Kausik,
A computer cluster is a group of linked computers, working together closely so that in many respects they form a single computer. The components of a cluster are commonly, but not always, connected to each other through fast local area networks. Clusters are usually deployed to improve performance and/or availability over that provided by a single computer, while typically being much more cost-effective than single computers of comparable speed or availability.
clearly your cluster nodes are out of sync...!!!!
It is possible that your ftp server went down for a while . And in the profile of FTP machine the entry of XI server is not made permanent .
1. Try to ping the FTP site from XI server.
BTW are u getting any error msg at RWB ?
Regards,

DB Adapter Polling Issues - causing DB Locks

Hi Experts,
I am working on project in SOA Suite 11.1.1.6 environment.
In my project I have used DB Polling which has following settings
<property name="DescriptorName" value="XXXXXXXXXXX"/>
<property name="QueryName" value="XXXXXXXXXXXXXXXXXXXXX"/>
<property name="MappingsMetaDataURL" value="XXXXXXXXXXXXXXXXXXXX.xml"/>
<property name="PollingStrategy" value="LogicalDeletePollingStrategy"/>
<property name="MarkReadColumn" value="PROCESS_FLAG"/>
<property name="MarkReadValue" value="P"/>
<property name="MarkUnreadValue" value="Y"/>
<property name="PollingInterval" value="20"/>
<property name="MaxRaiseSize" value="1"/>
<property name="MaxTransactionSize" value="10"/>
<property name="NumberOfThreads" value="1"/>
<property name="ReturnSingleResultSet" value="false"/>
The problem is when I update 25 records, the last 5 records are not getting processed and its just stuck there. It just shows DB Adapter Instance in the Composite Instance and the record is locked.
I am using Multi DataSource configuration with 3 Load Balancing Database Instances on SOA Clustered Environment. I have DISTRIBUTED POLLED flag checked in the DB Poller Adapter
If I update records less than 20, the polling frequency then its working fine. If I update more than 20 then its causing issue of locks.
Thanks in Advance

Hi All,
Issue resolved by setting the <property name="NumberOfThreads" value="1"/> value to 10
Thanks

Issue in Synchronous File Read in clustered environment

Hi,
We are using clustered environment (4 managed servers) in Unix. In a OSB 11gR3 proxy service we are using Synchronous File Read. Randomly we are getting the below error. Let us know what could cause the issue. But the same code is working fine in a single stand-alone server configuration.
Error Code : BEA-380002 , Error Reason : Invoke JCA outbound service failed with connection error, exception: com.bea.wli.sb.transports.jca.JCATransportException: oracle.tip.adapter.sa.api.JCABindingException: oracle.tip.adapter.sa.impl.fw.ext.org.collaxa.thirdparty.apache.wsif.WSIFException: servicebus:/WSDL/wsdlPathAndName [ SynchRead_ptt::SynchRead(Empty,body) ] - WSIF JCA Execute of operation 'SynchRead' failed due to: No Data to process.
No Data to process.
File /root/oracle/domains/osb/11.1.1.4/cluster/data/osb2/FolderName/Filename.txt to be processed was not found or not available or has no content ; nested exception is:
BINDING.JCA-11007
No Data to process.
No Data to process.
File /root/oracle/domains/osb/11.1.1.4/cluster/data/osb2/FolderNamer/Filename.txt to be processed was not found or not available or has no content Please make sure that the file exists in the specified directory.
com.bea.wli.sb.transports.jca.JCATransportException: oracle.tip.adapter.sa.api.JCABindingException: oracle.tip.adapter.sa.impl.fw.ext.org.collaxa.thirdparty.apache.wsif.WSIFException: servicebus:/WSDL/wsdlPathAndName [ SynchRead_ptt::SynchRead(Empty,body) ] - WSIF JCA Execute of operation 'SynchRead' failed due to: No Data to process.
No Data to process.
File /root/oracle/domains/osb/11.1.1.4/cluster/data/osb2/FolderName/Filename.txt to be processed was not found or not available or has no content ; nested exception is:
BINDING.JCA-11007
No Data to process.
No Data to process.
File /root/oracle/domains/osb/11.1.1.4/cluster/data/osb2/FolderName/Filename.txt to be processed was not found or not available or has no content Please make sure that the file exists in the specified directory.
at com.bea.wli.sb.transports.jca.binding.JCATransportOutboundOperationBindingServiceImpl.invoke(JCATransportOutboundOperationBindingServiceImpl.java:153)
at com.bea.wli.sb.transports.jca.JCATransportEndpoint.sendRequestResponse(JCATransportEndpoint.java:209)
at com.bea.wli.sb.transports.jca.JCATransportEndpoint.send(JCATransportEndpoint.java:170)
at com.bea.wli.sb.transports.jca.JCATransportProvider.sendMessageAsync(JCATransportProvider.java:598)
at sun.reflect.GeneratedMethodAccessor1115.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.bea.wli.sb.transports.Util$1.invoke(Util.java:83)
at $Proxy142.sendMessageAsync(Unknown Source)
at com.bea.wli.sb.transports.LoadBalanceFailoverListener.sendMessageAsync(LoadBalanceFailoverListener.java:148)
at com.bea.wli.sb.transports.LoadBalanceFailoverListener.sendMessageToServiceAsync(LoadBalanceFailoverListener.java:603)
at com.bea.wli.sb.transports.LoadBalanceFailoverListener.sendMessageToService(LoadBalanceFailoverListener.java:538)
at com.bea.wli.sb.transports.TransportManagerImpl.sendMessageToService(TransportManagerImpl.java:558)
at com.bea.wli.sb.transports.TransportManagerImpl.sendMessageAsync(TransportManagerImpl.java:426)
at com.bea.wli.sb.pipeline.PipelineContextImpl.doDispatch(PipelineContextImpl.java:670)
at com.bea.wli.sb.pipeline.PipelineContextImpl.dispatchSync(PipelineContextImpl.java:551)
at stages.transform.runtime.WsCalloutRuntimeStep$WsCalloutDispatcher.dispatch(WsCalloutRuntimeStep.java:1391)
at stages.transform.runtime.WsCalloutRuntimeStep.processMessage(WsCalloutRuntimeStep.java:236)
at com.bea.wli.sb.stages.StageMetadataImpl$WrapperRuntimeStep.processMessage(StageMetadataImpl.java:346)
at com.bea.wli.sb.stages.impl.SequenceRuntimeStep.processMessage(SequenceRuntimeStep.java:33)
at com.bea.wli.sb.pipeline.PipelineStage.processMessage(PipelineStage.java:84)
at com.bea.wli.sb.pipeline.PipelineContextImpl.execute(PipelineContextImpl.java:1055)
at com.bea.wli.sb.pipeline.Pipeline.processMessage(Pipeline.java:141)
at com.bea.wli.sb.pipeline.PipelineContextImpl.execute(PipelineContextImpl.java:1055)
at com.bea.wli.sb.pipeline.PipelineNode.doRequest(PipelineNode.java:55)
at com.bea.wli.sb.pipeline.Node.processMessage(Node.java:67)
at com.bea.wli.sb.pipeline.PipelineContextImpl.execute(PipelineContextImpl.java:1055)
at com.bea.wli.sb.pipeline.Router.processMessage(Router.java:214)
at com.bea.wli.sb.pipeline.MessageProcessor.processRequest(MessageProcessor.java:96)
at com.bea.wli.sb.pipeline.RouterManager$1.run(RouterManager.java:593)
at com.bea.wli.sb.pipeline.RouterManager$1.run(RouterManager.java:591)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)
at com.bea.wli.sb.security.WLSSecurityContextService.runAs(WLSSecurityContextService.java:55)
at com.bea.wli.sb.pipeline.RouterManager.processMessage(RouterManager.java:590)
at com.bea.wli.sb.transports.TransportManagerImpl.receiveMessage(TransportManagerImpl.java:375)
at com.bea.wli.sb.transports.jca.binding.JCATransportInboundOperationBindingServiceImpl$4.run(JCATransportInboundOperationBindingServiceImpl.java:415)
at com.bea.wli.sb.transports.jca.binding.JCATransportInboundOperationBindingServiceImpl$4.run(JCATransportInboundOperationBindingServiceImpl.java:413)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)
at weblogic.security.Security.runAs(Security.java:61)
at com.bea.wli.sb.transports.jca.binding.JCATransportInboundOperationBindingServiceImpl.sendMessage(JCATransportInboundOperationBindingServiceImpl.java:413)
at com.bea.wli.sb.transports.jca.binding.JCATransportInboundOperationBindingServiceImpl.invokeOneWay(JCATransportInboundOperationBindingServiceImpl.java:126)
at com.bea.wli.sb.transports.jca.binding.JCAInboundRequestListener.post(JCAInboundRequestListener.java:39)
at oracle.tip.adapter.sa.impl.inbound.JCAInboundListenerImpl.onMessage(JCAInboundListenerImpl.java:170)
at oracle.tip.adapter.fw.jca.messageinflow.MessageEndpointImpl.onMessage(MessageEndpointImpl.java:502)
at oracle.tip.adapter.file.inbound.Publisher.onMessageDelegate(Publisher.java:493)
at oracle.tip.adapter.file.inbound.Publisher.publishMessage(Publisher.java:419)
at oracle.tip.adapter.file.inbound.InboundTranslatorDelegate.xlate(InboundTranslatorDelegate.java:484)
at oracle.tip.adapter.file.inbound.InboundTranslatorDelegate.doXlate(InboundTranslatorDelegate.java:121)
at oracle.tip.adapter.file.inbound.ProcessorDelegate.doXlate(ProcessorDelegate.java:388)
at oracle.tip.adapter.file.inbound.ProcessorDelegate.process(ProcessorDelegate.java:174)
at oracle.tip.adapter.file.inbound.ProcessWork.run(ProcessWork.java:349)
at weblogic.work.ContextWrap.run(ContextWrap.java:41)
at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:528)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:176)
Caused by: oracle.tip.adapter.sa.api.JCABindingException: oracle.tip.adapter.sa.impl.fw.ext.org.collaxa.thirdparty.apache.wsif.WSIFException: servicebus:/WSDL/wsdlPathAndName [ SynchRead_ptt::SynchRead(Empty,body) ] - WSIF JCA Execute of operation 'SynchRead' failed due to: No Data to process.
No Data to process.
File /root/oracle/domains/osb/11.1.1.4/cluster/data/osb2/FolderName/Filename.txt to be processed was not found or not available or has no content ; nested exception is:
BINDING.JCA-11007
No Data to process.
No Data to process.
File /root/oracle/domains/osb/11.1.1.4/cluster/data/osb2/FolderName/Filename.txt to be processed was not found or not available or has no content Please make sure that the file exists in the specified directory.
at oracle.tip.adapter.sa.impl.JCABindingReferenceImpl.request(JCABindingReferenceImpl.java:259)
at com.bea.wli.sb.transports.jca.binding.JCATransportOutboundOperationBindingServiceImpl.invoke(JCATransportOutboundOperationBindingServiceImpl.java:150)
... 56 more
Caused by: oracle.tip.adapter.sa.impl.fw.ext.org.collaxa.thirdparty.apache.wsif.WSIFException: servicebus:/WSDL/wsdlPathAndName [ SynchRead_ptt::SynchRead(Empty,body) ] - WSIF JCA Execute of operation 'SynchRead' failed due to: No Data to process.
No Data to process.
File /root/oracle/domains/osb/11.1.1.4/cluster/data/osb2/FolderName/Filename.txt to be processed was not found or not available or has no content ; nested exception is:
BINDING.JCA-11007
No Data to process.
No Data to process.
File /root/oracle/domains/osb/11.1.1.4/cluster/data/osb2/FolderName/Filename.txt to be processed was not found or not available or has no content Please make sure that the file exists in the specified directory.
at oracle.tip.adapter.sa.impl.fw.wsif.jca.WSIFOperation_JCA.performOperation(WSIFOperation_JCA.java:662)
at oracle.tip.adapter.sa.impl.fw.wsif.jca.WSIFOperation_JCA.executeOperation(WSIFOperation_JCA.java:353)
at oracle.tip.adapter.sa.impl.fw.wsif.jca.WSIFOperation_JCA.executeRequestResponseOperation(WSIFOperation_JCA.java:312)
at oracle.tip.adapter.sa.impl.JCABindingReferenceImpl.invokeWsifProvider(JCABindingReferenceImpl.java:350)
at oracle.tip.adapter.sa.impl.JCABindingReferenceImpl.request(JCABindingReferenceImpl.java:253)
... 57 more
Caused by: BINDING.JCA-11007
No Data to process.
No Data to process.
File /root/oracle/domains/osb/11.1.1.4/cluster/data/osb2/FolderName/Filename.txt to be processed was not found or not available or has no content Please make sure that the file exists in the specified directory.
at oracle.tip.adapter.file.outbound.FileReader.readFile(FileReader.java:277)
at oracle.tip.adapter.file.outbound.FileReader.executeFileRead(FileReader.java:181)
at oracle.tip.adapter.file.outbound.FileInteraction.executeFileRead(FileInteraction.java:331)
at oracle.tip.adapter.file.outbound.FileInteraction.execute(FileInteraction.java:395)
at oracle.tip.adapter.sa.impl.fw.wsif.jca.WSIFOperation_JCA.performOperation(WSIFOperation_JCA.java:529)
... 61 more
Edited by: 842347 on Jul 6, 2011 3:11 AM

I face the same issue and I have given all permissions to the folder for OS user.
Because of this error my server is not starting up . Is there any way I can undeploy this composite to get my server running.
I cant do this from EM because SOA server is failing to start up.
I have tried removing it from $DOMAIN_HOME/deployed-composites but still when i try restarting the soa server the composite comes up there. Do we need to delete the entry some where else too. Kindly help.
Thanks,
Sri.

DB Adapter Polling Issue

Hi All,
I am working on a scenario something like this:
I am polling an Oracle table and when certain flag is 'Y', I am selecting the record(s) and calling an external service. Then depending on the response from the external service, again updating the the same table which I am polling.
As I have clustered environment, I am using distributed polling and polling strategy is logical delete. But it seems DB adapter is keeping some lock on the table for distributed polling, that's why I am not able to update the polled table.
Please provide me some solution how to overcome the iisue.
Thanks,
Maitrayee

Hi Ram,
DbAdapter is transactional and it should not delete failed records...
Ref docs here...
http://docs.oracle.com/cd/E28280_01/integration.1111/e10231/adptr_db.htm#BABCIICF
Cheers,
Vlad

OSB DB Adapter Polling Issue

Hello Everybody,
Requirement
I am doing DB Adapter polling in OSB.I have a db adapter which polls order table whenever there is a record with status='N'.The OSB component is on single node of Weblogic Server.
1.The db adapter picks the order data with status='N' in the proxy service
2.It transforms to webservice xsd
3.Invokes a webservice.
4.The webservice returns acknowledgement number.
5.The order table should be updated with status 'Z' and attribute1=acknowledgement number
OSB Service Design
1.Proxy service calls business service to poll the order table
2.Converts the payload to the xsd format required by target
3.Invokes the webservice on target
4.Receives acknowledgement number
5.calls a plsql procedure which updates all the records within this batch with the acknowledgement number and status='Z'
My configurations in db adapter
Logical delete option in db adapter.
Unread Value :'N'
Read Value : 'A'
Polling frequency : 300 seconds
no of databse rows per XML document : 10
Database rows per transaction : 10
Issue
1.My process after getting the acknowledgement number it updates the status with Z and attribute1=acknowledgement number.At the of this transaction I am seeing that the status is being updated by
the adapter to 'A' based on read value.I want the read value only to be updated initially but as soon as my OSB process picks it for further processing it should not update again.How can i prevent
the status from getting updated to 'A'.
2.I have 40 records in order table.Per the database rows per transaction it should process 10 records at a time and for each batch of 10 i should get one acknowledgement number.Instead i see that
all the 40 records are updated with the same acknowledgement number.Kindly help as to how I can resolve this situation.
Thanks & Regards,
Radha

Hi Arik,
I tried setting the property(idempotent) in jca file of the polling adapter and it gave me below error.Kindly help
<adapter-config name="EBS_FETCHDATA" adapter="Database Adapter" wsdlLocation="EBS_FETCHDATA.wsdl" xmlns="http://platform.integration.oracle/blocks/adapter/fw/metadata">
<connection-factory location="eis/DB/newebs" UIConnectionName="EBS" adapterRef=""/>
<endpoint-activation portType="EBS_FETCHDATA_ptt" operation="receive">
<activation-spec className="oracle.tip.adapter.db.DBActivationSpec">
<property name="DescriptorName" value="EBS_FETCHDATA.XxcmfOtmOrderHdrIfaceTmp"/>
<property name="QueryName" value="EBS_FETCHDATASelect"/>
<property name="MappingsMetaDataURL" value="EBS_FETCHDATA-or-mappings.xml"/>
<property name="PollingStrategy" value="LogicalDeletePollingStrategy"/>
<property name="MarkReadColumn" value="OTM_INTERFACE_STATUS"/>
<property name="MarkReadValue" value="A"/>
<property name="MarkUnreadValue" value="N"/>
<property name="PollingInterval" value="60"/>
<property name="MaxRaiseSize" value="10"/>
<property name="MaxTransactionSize" value="300"/>
<property name="NumberOfThreads" value="1"/>
<property name="ReturnSingleResultSet" value="false"/>
<property name="idempotent" value="false"/>
</activation-spec>
</endpoint-activation>
</adapter-config>
---------------------ERROR---------------
Invalid JCA transport endpoint configuration, exception: javax.resource.ResourceException: BINDING.JCA-12532 Cannot set JCA WSDL Property. Error while setting JCA WSDL Property. Property setIdempotent is not defined for oracle.tip.adapter.db.DBActivationSpec Please verify the spelling of the property.
Thanks,
Radha

FTP Adapter On in a Clustered Environment

Hi everyone,
I noticed that in a clustered environment (3 servers) an FTP Adapter using the “File Modification” feature to get files will get the file 3 times. Is there some configuration that can be done to stop that from happening?

Try adding Singleton property to adapter and set it as TRUE.
For reference check this blog - Mark's Blog: File Adapter in Oracle SOA 11g cluster environment

SAP Adapter Best Practice Question for Deployment to Clustered Environment

I have a best practices question on the iway Adapters around deployment into a clustered environment.
According to the documentation, you are supposed to run the installer on both nodes in the cluster but configure on just the first node. See below:
Install Oracle Application Adapters 11g Release 1 (11.1.1.3.0) on both machines.
Configure a J2CA configuration as a database repository on the first machine.
Perform the required changes to the ra.xml and weblogic-ra.xml files before deployment.
This makes sense to me because once you deploy the adapter rar in the next step it the appropriate rar will get staged and deployed on both nodes in the cluster.
What is the best practice for the 3rdParty adapter directory on the second node? The installer lays it down with the adapter rar and all. Since we only configure the adapter on node 1, the directory on node 2 will remain with the default installation files/values not the configured ones. Is it best practice to copy node 1's 3rdParty directory to node 2 once configured? If we leave node 2 with the default files/values, I suspect this will lead to confusion to someone later on who is troubleshooting because it will appear it was never configured correctly.
What do folks typically do in this situation? Obviously everything works to leave it as is, but it seems strange to have the two nodes differ.

What is the version of operating system. If you are any OS version lower than Windows 2012 then you need to add one more voter for quorum.
Balmukund Lakhani
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WebLogic 10.3.4 Adminserver Performance Issues - Clustered Environment.

I am running WL 10.3.4 64 bit version on 64 bit hardware (blade serves) running Solaris 10 and I have the servers setup in a cluster. There are 3 machines are part of the cluster.
Managed Server1 is on Blade Server 1
Managed Server2 is on Blade Server 2
Managed Server3 is on Blade Server 3
We have about 20 different clusters setup and 60 servers across those 20 clusters.
The adminserver runs on a separate box (not a blade server). Tasks that do NOT involve the servers or deployments tabs are relatively fast however, when I go to the servers or deployments tab, and to some extent the clusters tab, the response is very slow.
For example, I am running WL 10.3.0 on less robust hardware. I installed the patch that Oracle published to resolve this particular issue. We have a similar number of clusters and servers on in that environment (3 severs to a cluster). The servers tab responds in 10 seconds.
In WL 10.3.4, the servers and deployments tabs take about 45 - 60 seconds to respond. This adds a LOT of overhead to doing any server or deployment related tasks.
I realize that the admin server has to query all the managed servers but performance in 10.3.4 is much worse than WL 10.3.0 with the performance patch.
Has anyone else run into similar performance issues with the WL 10.3.4 ADMIN Console running in a clustered environment? If so, does anyone have any suggestions to help improve performance.
I also run a WL 10.3.4 instance in a single server environment and the servers and deployments tabs respond withing 10 seconds (very fast). It is just in a clustered environment.
Regards,
Mark

hi Mark, it's a very interesting story, any follow-up? I would be curious to know the reason for the delay...

DB Adapter polling as singleton process is not working as expected

Am using poller DB adapater to control the transaction per seconds to the downstream system and i want this poller process as singleton (One instance should be in running state at a time).
As suggested in oracle documents , below is the parameters configured in composite.xml file.
<service name="polling_Mange_Alert_Events"
ui:wsdlLocation="polling_Mange_Alert_Events.wsdl">
<interface.wsdl interface="http://xmlns.oracle.com/pcbpel/adapter/db/Application1/int_app_manageAlerts/polling_Mange_Alert_Events#wsdl.interface(polling_Mange_Alert_Events_ptt)"/>
<binding.jca config="polling_Mange_Alert_Events_db.jca">
<property name="singleton">true</property>
</binding.jca>
<property name="jca.retry.count" type="xs:int" many="false" override="may">2147483647</property>
<property name="jca.retry.interval" type="xs:int" many="false"
override="may">1</property>
<property name="jca.retry.backoff" type="xs:int" many="false"
override="may">2</property>
<property name="jca.retry.maxInterval" type="xs:string" many="false"
override="may">120</property>
</service>
Below is the JCA file parameters configured :
<adapter-config name="polling_Mange_Alert_Events" adapter="Database Adapter" wsdlLocation="polling_Mange_Alert_Events.wsdl" xmlns="http://platform.integration.oracle/blocks/adapter/fw/metadata">
<connection-factory location="eis/DB/vff-int-fus" UIConnectionName="PT_APPINFRA" adapterRef=""/>
<endpoint-activation portType="polling_Mange_Alert_Events_ptt" operation="receive">
    <activation-spec className="oracle.tip.adapter.db.DBActivationSpec">
      <property name="DescriptorName" value="polling_Mange_Alert_Events.ManageAlertEvents"/>
      <property name="QueryName" value="polling_Mange_Alert_EventsSelect"/>
      <property name="MappingsMetaDataURL" value="polling_Mange_Alert_Events-or-mappings.xml"/>
      <property name="PollingStrategy" value="LogicalDeletePollingStrategy"/>
      <property name="MarkReadColumn" value="TRANSACTION_STATUS"/>
      <property name="MarkReadValue" value="Processing"/>
      <property name="PollingInterval" value="10"/>
      <property name="MaxRaiseSize" value="5"/>
      <property name="MaxTransactionSize" value="5"/>
      <property name="NumberOfThreads" value="1"/>
      <property name="ReturnSingleResultSet" value="false"/>
      <property name="MarkUnreadValue" value="Pending"/>
    </activation-spec>
</endpoint-activation>
</adapter-config>
This poller process is running on clustered environment (2 soa nodes) and it is not working as expected as singleton process.
Please advise to solve this issue ?

Hi,
1.Set Singleton property outside   <binding.jca> like this:
<binding.jca config="polling_Mange_Alert_Events_db.jca"/>
<property name="singleton">true</property>
<property name="jca.retry.count" type="xs:int" many="false" override="may">2147483647</property>
<property name="jca.retry.interval" type="xs:int" many="false"
2.Also you can try setting these values in jca file:
<property name="RowsPerPollingInterval" value="100"/>
<property name="MaxTransactionSize" value="100"/>
3. try to increase the polling interval time.
Regards,
Anshul

AIA FP 2.4 on SOA suit 10.3.1.4 clustered environment

Hi
I am trying to install the FP on top of my SOA 10.1.3.4 MLR5. This is a clustered environment.
As described, one should install the FP with ant on the admin member, with ant --noconfig FPInstall.xml
But it keeps failng at deploy AIAReadJMSNotificationProcess with ORABPEL-12529
It says it misses some adapters :
AdapterFrameworkImpl::endpointActivation - Endpoint Activation Error.
The Resource Adapter was unable to activate the endpoint :{} due to the following reason: ORABPEL-12529
ManagedConnectionFactory problem.
Could not instantiate ManagedConnectionFactory oracle.tip.adapter.jms.JmsManagedConnectionFactory due to:
Missing class: oracle.tip.adapter.jms.JmsManagedConnectionFactory
Dependent class: oracle.tip.adapter.fw.wsdl.WSDLUtils
Loader: oracle.bpel.common:10.1.3
Code-Source: /opt/oracle/product/10.1.3/assoa/bpel/lib/orabpel.jar
Configuration: <code-source> in /opt/oracle/product/10.1.3/assoa/j2ee/oc4j_soa/config/server.xml
This load was initiated at orabpel.root:0.0.0 using the Class.forName() method.
The missing class is not available from any code-source or loader in the system.
Please make sure the corresponding JCA Resource Adapter has been deployed.
Please correct the reported issue and redeploy the BPEL process.
These adapters are installed in the oc4j_esbdt as the install guide on soa clustering describes, and I think the deployment expects it to be in the oc4j_soa. Am I right? Does anyone know how to overcome these issues?
kind regrds
Michel

Hi Michel,
I found the solution myself
Just manually deploy the adapters in oc4j_soa the same as in oc4j_esbdt, now deployment goes ok.
Please excuse my ignorance. How do you manually deploy the adapters as mentioned above? Please give the details.
Thanks,
Amorsolo

MSTDC Error in clustered Environment in while interacting to DB Server from BizTalk server

Hi All,
After completing all my required Biz-talk Integrations (All were related to WCF-Custom Adapter : SQL Binding), I deployed the same to the client environment. But, the same thing which worked for me in my development environment was giving some issues in
the deployed environment.
The main difference was, at client environment - The DB Server was clustered environment and the interaction was through the load balancer.
The first issue I encountered was, there was firewall blocking the access to the DB server from Biz Talk server. Then after enabling and opening the Port 1433, the issue got fixed and I was able to communicate with the DB Server.
After this, I was getting the error related to MSTDC. For this to work properly, in my BizTalk application Configuration, if i set the property for "UseAmbientTransaction" as false under "SqlBinding" for the WCF-Custom Send Port, it is
working as expected!
But, I heard from our Architects that the best approach is to set the property as "TRUE" for "UseAmbientTransaction" property.
So I set the property as true and done the below configurations.
1. Enabling Network DTC using "dcomcnfg.exe"
2. Adding and enabling Fire wall exception for DTC.
Even after making the above changes, I was getting the same error. Then after cross checking with DTCPing and DCTester on both local and deployed copy, i got the below difference.
1. Port 135 (RPC EPM) was opened in my local environment but it was having "Filtered" access at the deployed copy.
So my question is, after opening the above port, will it solve the issue?
Secondly, is there any security threat ter opening the above Port?
Any quick suggestion/solution is highly appreciated.
Thanks in Advance,
Anand

Hi Anand,
Performing operations on SQL Server using BizTalk Server always involves two resources—the adapter connecting to SQL Server and the BizTalk Message Box residing on SQL Server. Hence, all operations performed using BizTalk Server are performed within the
scope of an MSDTC transaction. So, to use the SQL adapter with BizTalk Server, you must always enable MSDTC. To enable the adapter to perform operations within the scope of an MSDTC transaction, you must configure MSDTC both on the computer running the SQL
adapter and SQL Server. Also, you must add MSDTC to the exceptions list of Windows Firewall. That is the reason why recommend setting for this binding property is
true; otherwise you might either experience message loss or duplicate messages, depending on whether you are performing inbound or outbound operations.
Exception is for operations where the adapter client does not write any data to the SQL Server database, such as a Select operation, you might not want the additional overhead of performing the operations inside a transaction. In such cases,
you can configure the SQL adapter to perform operations without a transactional context by setting the
UseAmbientTransaction binding property to false.
Just refer the link fo all the details:
Configure MSDTC on SQL Server and Adapter Client
Rachit
Rachit
Please mark as answer or vote as helpful if my reply does

Upgrade 10G to 11.1.1.5 in Clustered environment

I successfully ran the upgrade assistant on a single server install. Both RPD and Catalog upgraded with no issues. I scaled out to a 2 node cluster and attempted the upgrade with the assistant again. This time it fails. Here is log entries:
[2011-07-20T15:16:07.861-04:00] [Framework] [NOTIFICATION] [upgrade.Framework] Starting to upgrade components.
[2011-07-20T15:16:07.861-04:00] [Framework] [NOTIFICATION] [upgrade.Framework] Retain Source Ports: false
[2011-07-20T15:16:07.861-04:00] [Framework] [NOTIFICATION] [upgrade.Framework] Stop 10g Components: false
[2011-07-20T15:16:07.861-04:00] [Framework] [NOTIFICATION] [upgrade.Framework] Start 11g Components: false
[2011-07-20T15:16:07.876-04:00] [Framework] [NOTIFICATION] [upgrade.Framework] Managed server bi_server2 state is: RUNNING
[2011-07-20T15:16:07.876-04:00] [Framework] [NOTIFICATION] [upgrade.Framework] Starting to upgrade BIEE.
[2011-07-20T15:16:07.954-04:00] [Framework] [ERROR] [UPGAST-00138] [upgrade.Framework] upgrade exception occurred
[2011-07-20T15:16:07.954-04:00] [Framework] [ERROR] [upgrade.Framework] Cause: An unexpected upgrade exception has occurred. Action: See the secondary error message for additional details.
[2011-07-20T15:16:07.954-04:00] [Framework] [ERROR] [upgrade.Framework] UPGCMP-02712: Expected oracle.biee.admin:oracleInstance=*,type=BIDomain.OracleInstance,group=Service Oracle instance, found 2
[2011-07-20T15:16:07.954-04:00] [Framework] [ERROR] [upgrade.Framework] UPGCMP-02712: Expected oracle.biee.admin:oracleInstance=*,type=BIDomain.OracleInstance,group=Service Oracle instance, found 2
[2011-07-20T15:16:07.954-04:00] [Framework] [NOTIFICATION] [upgrade.Framework] Finished upgrading BIEE with status: Failure.
[2011-07-20T15:16:07.954-04:00] [Framework] [NOTIFICATION] [upgrade.Framework] Finished upgrading components.
[2011-07-20T15:16:07.954-04:00] [Framework] [NOTIFICATION] [upgrade.Framework] 0 components upgraded with success.
[2011-07-20T15:16:07.954-04:00] [Framework] [NOTIFICATION] [upgrade.Framework] 1 components upgraded with failure.
Question….can you use upgrade assistant in clustered environment?
Thanks!

You can only use the upgrade assistant to upgrade to a single instance Oracle BI 11g server. Typically this is a sandbox server environment or a VM that can simply be wiped clean after the upgrade. Then move the RPD,WebCat, etc. and AppRoles that get created during the upgrade process to a development server. The UA is looking for a single instance installation environment and that environment should be clean/fresh to avoid confusion and conflicts.
Please award points if helpful.

Error when calling BPEL from ESB in clustered environment

Hi
We have recently installed SOA Suite in a clustered environment and have a serious issue.
I am not able to call BPEL processes from my ESB services via WSIF (by using the 'browse target operation' in JDeveloper). The exception i get at runtime is this.
"javax.naming.NameNotFoundException: ejb/collaxa/system/DeliveryBean not found"
When I instead call the BPEL process via SOAP (by using a SOAP invocation service i JDeveloper) it works fine.
Everything works fine in development environment which not are clustered.
Has anyone any excperience from using ESB in a clustered environment?
Regards
Kalle Viklund

Hi
ESB and BPEL resides in the same oc4j-instance. Though, esb-rt and orabpel are different applications in that oc4j-instance. And the lookup 'ejb/collaxa/system/DeliveryBean' only exists in the orabpel application.
In the ESB Console I already have the same setting for the 'BPELSystem' as for the 'Defaultsystem'.
Cluster name: esb_prod
Virtual host: prod1.sth.nu
Port: 80
Topic location: ESBTopics/Topics/ESB_JAVA_DEFERRED
Connection factory location: OracleOJMS/XATCF
regards
Kalle

Issue in Clustered environment DB adapter Polling

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