Deleting Database Adapter

Hi All,
What are the thing to be taken care if I wan to delete a database adapter?
Regards,
Sreejit

Steps to be followed-
1. Delete the database adapter partnerlink
2. Delete all the invokes for this partnerlink
3. Delete all the assign activity for this partnerlink variables
4. Delete all the variables for this partnerlink

Similar Messages

Logical delete in database adapter

Hello
I was wondering if someone has solution the problem with polling database. You can specify the logical delete column and you can give values for READ, UNREAD and RESERVED states. The problem is that when for example ESB project polls some specific table and starts an instance for every new row with specified logical delete field with value UNREAD, when something unexpected happens and something goes wrong the database adapter updates the row with READ value. This is problematic if we have thousands of rows, and we would like to separate the errored rows from the successfully read rows. Is there anyway (easy) way to update those rows that went wrong to some other value than READ?
I don't know if anyone understood me, but just for clarification here's a example:
I have a ESB-project which poll specific database table and parses and XML from the data. After this the ESB-project sends the data to some Web Service. The database table has column CONDITION_CODE in which value 0 means unread and value 1 means read. Now if everything goes fine there is no problems. But if the Web Service is unavailable or the data is malformed, the database adapter still updates the CONDITION_CODE to 1! We have no ways (except to listen ESB_ERROR topic and implement some error handling there) to know what rows were successfully delivered and which were not...
Hope I was able to clarify the problem... And I hope someone could be able to provide me with answer.
Best Regards Tuomas

Did you use the RESERVED value property? How about the transaction mechanism? Do you have global transactions? I gues you would have to use them!

How to delete the content of a datatable by the "Database Adapter"

Hello,
i want to delete all entries in a table by a database adapter - like "DELETE FROM table" in SQL. (Oracle SOA Suite 11g SR1, with Oracle DB over JDBC))
When i create a new Database adapter i can select standard functions for "insert, select, delete". The function delete does have the disadvantage, that it needs a input message with the key values of the data entry which have to be deleted, which i don't have and don't want to get.
So i tried the "Pure SQL" mode for the adapter with the SQL string "DELETE FROM table" but this instruction is somehow not commited to the database.
My questions are:
- Is there any commit needed for the pure sql instructions? How is the syntax to write several SQL instructions for one Database Adapter?
- Does anyone have another solution to delete the entries?
Thanx in advance
Tobias

Hi Shishir,
it is a pretty simple example. I think the problem is that the Database Adapter is not commiting.
The BPEL is simple sending an empty message to the adapter which should trigger the SQL execution (See Code below)
The PURE SQL String i'm using is "DELETE FROM table"
Thanks Tobias
<?xml version = "1.0" encoding = "UTF-8" ?>

<process name="BPELProcess1"
targetNamespace="http://xmlns.oracle.com/App_DWH_Prototype/TestDELETE/BPELProcess1"
xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
xmlns:client="http://xmlns.oracle.com/App_DWH_Prototype/TestDELETE/BPELProcess1"
xmlns:ora="http://schemas.oracle.com/xpath/extension"
xmlns:oraext="http://www.oracle.com/XSL/Transform/java/oracle.tip.pc.services.functions.ExtFunc"
xmlns:xpath20="http://www.oracle.com/XSL/Transform/java/oracle.tip.pc.services.functions.Xpath20"
xmlns:ldap="http://schemas.oracle.com/xpath/extension/ldap"
xmlns:ui="http://xmlns.oracle.com/soa/designer/"
xmlns:task="http://xmlns.oracle.com/bpel/workflow/task"
xmlns:taskservice="http://xmlns.oracle.com/bpel/workflow/taskService"
xmlns:wfcommon="http://xmlns.oracle.com/bpel/workflow/common"
xmlns:wf="http://schemas.oracle.com/bpel/extension/workflow"
xmlns:xdk="http://schemas.oracle.com/bpel/extension/xpath/function/xdk"
xmlns:dvm="http://www.oracle.com/XSL/Transform/java/oracle.tip.dvm.LookupValue"
xmlns:xref="http://www.oracle.com/XSL/Transform/java/oracle.tip.xref.xpath.XRefXPathFunctions"
xmlns:bpelx="http://schemas.oracle.com/bpel/extension"
xmlns:bpws="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
xmlns:ns1="http://xmlns.oracle.com/pcbpel/adapter/db/App_DWH_Prototype/TestDELETE/TestDelete%2F"
xmlns:ns2="http://xmlns.oracle.com/pcbpel/adapter/db/top/TestDelete">

<partnerLinks>

<partnerLink name="bpelprocess1_client" partnerLinkType="client:BPELProcess1" myRole="BPELProcess1Provider" partnerRole="BPELProcess1Requester"/>
<partnerLink name="TestDelete" partnerRole="TestDelete_role"
partnerLinkType="ns1:TestDelete_plt"/>
</partnerLinks>

<variables>

<variable name="inputVariable" messageType="client:BPELProcess1RequestMessage"/>

<variable name="outputVariable" messageType="client:BPELProcess1ResponseMessage"/>
<variable name="Invoke_1_delete_InputVariable"
messageType="ns1:TActIngredientCollection_msg"/>
</variables>

<sequence name="main">

<receive name="receiveInput" partnerLink="bpelprocess1_client" portType="client:BPELProcess1" operation="process" variable="inputVariable" createInstance="yes"/>

<assign name="Assign_1">
<copy>
<from expression="''"/>
<to variable="Invoke_1_delete_InputVariable"
part="TActIngredientCollection"
query="/ns2:TActIngredientCollection/ns2:TActIngredient/ns2:plotNo"/>
</copy>
<copy>
<from variable="inputVariable" part="payload"
query="/client:process/client:input"/>
<to variable="outputVariable" part="payload"
query="/client:processResponse/client:result"/>
</copy>
</assign>
<invoke name="Invoke_1" inputVariable="Invoke_1_delete_InputVariable"
partnerLink="TestDelete" portType="ns1:TestDelete_ptt"
operation="delete"/>
<invoke name="callbackClient" partnerLink="bpelprocess1_client" portType="client:BPELProcess1Callback" operation="processResponse" inputVariable="outputVariable"/>
</sequence>
</process>

Rollback in database adapter with delete polling strategy

Hi All,
We have designed a database adapter with "Delete the Rows That Were Read" after read strategy with auto-retry attempts as 5. In BPEL process, where we are receiving the DB records, we are throwing a rollback fault in case of any fault.
Database adapter polling is being re-tried 5 times in case of faults but the data is being deleted from the tables after 5 retries. Is this is the expected behavior of DB adapter? Doesn't the rollback fault rollback the complete transaction and leave the failed data back in the tables?
Can any one provide more information on this polling strategy after the number of auto-retries are completed?.
Thanks.
-Pavan

You need to include your bpel process in the same DB adapter transaction
Use the following properties in the bpel component to do this
<property name="bpel.config.transaction" type="xs:string" many="false">requiresNew</property>
<property name="bpel.config.oneWayDeliveryPolicy" type="xs:string"
many="false">sync</property>
Make sure the connection factory that you are using in the DB adapter is XA transaction enabled

Database Adapter using Logical Delete Polling Strategy not updating field

I have an ESB database adapter defined against a table. The adapter is set to use the Logical Delete Polling Strategy, and the table has an extra column defined as the "delete" field. When I register the adapter to the ESB and add a record to the table, the adapter reads the contents of the record as expected. However, 15 seconds later (that being the polling interval) it reads it again, and again 15 seconds after that, ad infinitum.
I have defined the logical delete field as a single character field and set the Read value for "T" (a record is normally inserted with that field having a null value). Results as outlined in the previous paragraph. I redefined the field as a number and set the Read value to "1" (with a record normally inserted with that field having a value of "0"). Results as outlined in the previous paragraph.
Apparently the update of the logical delete value to the Read value is not occurring. My question (obviously) is: Why?
Thanks for your time.

Here is the adapter WSDL:
<?xml version="1.0" encoding="UTF-8"?>
<definitions
name="Poll_PM_LOG"
targetNamespace="http://xmlns.oracle.com/pcbpel/adapter/db/Poll_PM_LOG/"
xmlns:tns="http://xmlns.oracle.com/pcbpel/adapter/db/Poll_PM_LOG/"
xmlns:plt="http://schemas.xmlsoap.org/ws/2003/05/partner-link/"
xmlns:jca="http://xmlns.oracle.com/pcbpel/wsdl/jca/"
xmlns:pc="http://xmlns.oracle.com/pcbpel/"
xmlns:top="http://xmlns.oracle.com/pcbpel/adapter/db/top/PollPMLOG"
xmlns="http://schemas.xmlsoap.org/wsdl/">
<types>
<schema xmlns="http://www.w3.org/2001/XMLSchema">
<import namespace="http://xmlns.oracle.com/pcbpel/adapter/db/top/PollPMLOG"
schemaLocation="PollPMLOG_table.xsd"/>
</schema>
</types>
<message name="LogCollection_msg">
<part name="LogCollection" element="top:LogCollection"/>
</message>
<portType name="Poll_PM_LOG_ptt">
<operation name="receive">
<input message="tns:LogCollection_msg"/>
</operation>
</portType>
<binding name="Poll_PM_LOG_binding" type="tns:Poll_PM_LOG_ptt">
<pc:inbound_binding/>
<operation name="receive">
<jca:operation
ActivationSpec="oracle.tip.adapter.db.DBActivationSpec"
DescriptorName="PollPMLOG.Log"
QueryName="Poll_PM_LOG"
PollingStrategyName="LogicalDeletePollingStrategy"
MarkReadFieldName="PROCESSED"
MarkReadValue="T"
SequencingFieldName="ID"
MaxRaiseSize="1"
MaxTransactionSize="unlimited"
PollingInterval="15"
NumberOfThreads="1"
UseBatchDestroy="false"
ReturnSingleResultSet="false"
MappingsMetaDataURL="PollPMLOG_toplink_mappings.xml" />
<input/>
</operation>
</binding>
<service name="Poll_PM_LOG">
<port name="Poll_PM_LOG_pt" binding="tns:Poll_PM_LOG_binding">
<jca:address location="eis/DB/PM"
UIConnectionName="PM"
ManagedConnectionFactory="oracle.tip.adapter.db.DBManagedConnectionFactory"
/>
</port>
</service>
<plt:partnerLinkType name="Poll_PM_LOG_plt" >
<plt:role name="Poll_PM_LOG_role" >
<plt:portType name="tns:Poll_PM_LOG_ptt" />
</plt:role>
</plt:partnerLinkType>
</definitions>
The field PROCESSED is defined as CHAR(1), and is normally null when a record is inserted. The value of the field is to be set to 'T' when the record is read by the polling adapter.

Database Adapter Logical Delete Not Working....

Hi,
I have an issue with the DB Adapter under BPEL GA 10.1.3.1. I'm trying to do a logical delete on a table however the logical delete isn't updating the records to show that they've been processed.
I've created a simple test case with a 3 column table sitting in Oracle XE DB with the third column containing the logical delete flag. I've created a new process consisting of a DB Adapter partnerlink and a receive. In the logs (below) I can see the Select statement followed by the Update (logical delete) occurring but the Update statement just actually run against the DB. I can copy the update statement and run this through SQL as the same DB user and it updates the records.
Has anyone seen this before?
Thanks.
<2006-11-13 15:06:30,901> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> client acquired
<2006-11-13 15:06:30,917> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> SELECT A, B, C FROM F_TABLE WHERE (C = ?)
     bind => [IN]
<2006-11-13 15:06:30,917> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> client acquired
<2006-11-13 15:06:30,917> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> TX beginTransaction, status=NO_TRANSACTION
<2006-11-13 15:06:30,917> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> TX Internally starting
<2006-11-13 15:06:30,917> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> external transaction has begun internally
<2006-11-13 15:06:30,917> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.DBAdapterConstants isElementFormDefaultQualified> Element is FTABLE namespace is http://xmlns.oracle.com/pcbpel/adapter/db/top/ReadTABLE
<2006-11-13 15:06:30,933> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.ox.O_XParser parse> Transforming the row(s) [<FTABLE Record A />, <FTABLE Record B />, <FTABLE Record C />] read from the database into xml.
<2006-11-13 15:06:30,933> <DEBUG> <default.collaxa.cube.activation> <AdapterFramework::Inbound> [Read_TABLE_ptt::receive(FTABLECollection)]Posting inbound JCA message to BPEL Process 'Read_TABLE' receive activity:
<FTABLECollection xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.oracle.com/pcbpel/adapter/db/top/ReadTABLE">
<FTABLE>
<a>Record</a>
<b>A</b>
<c>IN</c>
</FTABLE>
<FTABLE>
<a>Record/a>
<b>B</b>
<c>IN</c>
</FTABLE>
<FTABLE>
<a>Record</a>
<b>C</b>
<c>IN</c>
</FTABLE>
</FTABLECollection>
<2006-11-13 15:06:30,933> <DEBUG> <default.collaxa.cube.activation> <AdapterFramework::Inbound> Delivery Thread 'JCA-work-instance:Database Adapter-6 performing unsynchronized post() to localhost
<2006-11-13 15:06:31,073> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> Begin batch statements
<2006-11-13 15:06:31,073> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> UPDATE F_TABLE SET C = ? WHERE ((A = ?) AND (B = ?))
<2006-11-13 15:06:31,073> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log>      bind => [OUT, Record, A]
<2006-11-13 15:06:31,073> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log>      bind => [OUT, Record, B]
<2006-11-13 15:06:31,073> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log>      bind => [OUT, Record, C]
<2006-11-13 15:06:31,073> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> End Batch Statements
<2006-11-13 15:06:31,073> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> TX commitTransaction, status=STATUS_ACTIVE
<2006-11-13 15:06:31,073> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> TX Internally committing
<2006-11-13 15:06:31,323> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> external transaction has committed internally
<2006-11-13 15:06:31,323> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> client released
<2006-11-13 15:06:31,323> <DEBUG> <default.collaxa.cube.activation> <AdapterFramework::Inbound> onBatchBegin: Batch 'bpel___localhost_default_Read_TABLE_1_4__1163389596916.ReadTABLE.FTABLE1163394391323' (bpel___localhost_default_Read_TABLE_1_4__1163389596916.ReadTABLE.FTABLE1163394391323) starting...
<2006-11-13 15:06:31,323> <DEBUG> <default.collaxa.cube.activation> <AdapterFramework::Inbound> onBatchComplete: Batch 'bpel___localhost_default_Read_TABLE_1_4__1163389596916.ReadTABLE.FTABLE1163394391323' (bpel___localhost_default_Read_TABLE_1_4__1163389596916.ReadTABLE.FTABLE1163394391323) has completed - final size = 3
<2006-11-13 15:06:31,323> <DEBUG> <default.collaxa.cube.activation> <Database Adapter::Inbound> <oracle.tip.adapter.db.TopLinkLogger log> client released
<2006-11-13 15:06:31,339> <DEBUG> <default.collaxa.cube.engine.bpel> <BPELExecution::Read_TABLE> entering <scope> at line [no line]
<2006-11-13 15:06:31,339> <DEBUG> <default.collaxa.cube.engine.bpel> <BPELExecution::Read_TABLE> entering <scope> at line [no line]
<2006-11-13 15:06:31,339> <DEBUG> <default.collaxa.cube.engine.bpel> <BPELExecution::Read_TABLE> entering <sequence> at line 55
<2006-11-13 15:06:31,339> <DEBUG> <default.collaxa.cube.engine.bpel> <BPELExecution::Read_TABLE> entering <sequence> at line 55
<2006-11-13 15:06:31,339> <DEBUG> <default.collaxa.cube.engine.bpel> <BPELEntryReceiveWMP::Read_TABLE> executing <receive> at line 58
<2006-11-13 15:06:31,339> <DEBUG> <default.collaxa.cube.engine.bpel> <BPELEntryReceiveWMP::Read_TABLE> set variable 'Read_TABLE_receive_InputVariable' to be readOnly, payload ref {FTABLECollection=108e2d22815529ac:-3067a9ff:10edf296212:-78da}
<2006-11-13 15:06:31,339> <DEBUG> <default.collaxa.cube.engine.bpel> <BPELEntryReceiveWMP::Read_TABLE> variable 'Read_TABLE_receive_InputVariable' content {FTABLECollection=oracle.xml.parser.v2.XMLElement@1303465}
<2006-11-13 15:06:31,339> <DEBUG> <default.collaxa.cube.engine.bpel> <BPELInvokeWMP::Read_TABLE> executing <invoke> at line 61

Hi,
I haven't yet used 10.1.3, but we had a number of issues under 10.1.2.0.2 around caching and upd/ins/del.
A number of things we changed were
- set usesBatchWriting to false in oc4j-ra.xml file
- set identityMap to NoIdentityMap via toplink work bench
- set should-always-refresh-cache-on-remote,should-disable-cache-hits,should-disable-cache-hits-on-remote to true in toplink mappings.xml file (note this last one is only if toplink was not used to insert the source data).
Ashley

Poll Database Adapter Physicial Delete strategy

Guys,
The database adapter should delete the record from table only if the record was processed successfully in esb or BPEL. But as far as i tested it deletes the polled record regardless of success or fault.
Is there any setting that I need to do to force delete only when a successful instance is created.

DB Adapter should participate in transaction, so upon failure it should be rolled back.
Can you make sure you aren't using any MCF properties, and also in your process you don't have any dehydration point (e.g. recv/on-msg)?
Regards,
Chintan

Use of current time for polling Database Adapter query

I am writing a simple BPEL process with a Polling Database Adapter and a Recieve. The idea is that we are polling an XE database for any entries in a TRIP table which have an expiration date/time field that has passed.
The Adapter was build using JDeveloper 10.1.3.2 (with Oracle Application Server patched to 10.1.3.3.0) as a "Poll for New Changed Records in a Table" Operation type with a STATUS field (0 for live, 1 for expired) as the Logical Delete Field.
I was unable to find a way to generate a SELECT query expression with the wizard that would allow me to use current/system time as an attribute, so I finished the wizard and edited the Toplink Descriptor to use a custom SQL expression for the query. This resulted in the following code in the toplink_mappings.xml file:
<?xml version="1.0" encoding="UTF-8"?>
<toplink:object-persistence version="Oracle TopLink - 10g Release 3 (10.1.3.1.0) (Build 061004)"
xmlns:opm="http://xmlns.oracle.com/ias/xsds/opm" xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:toplink="http://xmlns.oracle.com/ias/xsds/toplink"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<opm:name>ExpiredTripPoller</opm:name>
<opm:class-mapping-descriptors>
<opm:class-mapping-descriptor xsi:type="toplink:relational-class-mapping-descriptor">
<opm:class>ExpiredTripPoller.Trip</opm:class>
<opm:alias>Trip</opm:alias>
<opm:primary-key>
<opm:field table="TRIP" name="ID" xsi:type="opm:column"/>
</opm:primary-key>
<opm:events xsi:type="toplink:event-policy"/>
<opm:querying xsi:type="toplink:query-policy">
<opm:queries>
<opm:query name="ExpiredTripPoller" xsi:type="toplink:read-all-query">
<toplink:timeout>0</toplink:timeout>
<toplink:call xsi:type="toplink:sql-call">
<toplink:sql>SELECT ID, LPN, START_TIME, EXPIRY_TIME, STATUS FROM TRIP WHERE ((STATUS = '0') AND (EXPIRY_TIME < SYSDATE)) ORDER BY EXPIRY_TIME ASC</toplink:sql>
</toplink:call>
<toplink:reference-class>ExpiredTripPoller.Trip</toplink:reference-class>
<toplink:cache-usage>primary-key</toplink:cache-usage>
<toplink:lock-mode>none</toplink:lock-mode>
<toplink:container xsi:type="toplink:list-container-policy">
<toplink:collection-type>java.util.Vector</toplink:collection-type>
</toplink:container>
</opm:query>
<opm:query name="findAllTrip" xsi:type="toplink:read-all-query">
<toplink:timeout>0</toplink:timeout>
<toplink:reference-class>ExpiredTripPoller.Trip</toplink:reference-class>
<toplink:cache-usage>primary-key</toplink:cache-usage>
<toplink:lock-mode>none</toplink:lock-mode>
<toplink:container xsi:type="toplink:list-container-policy">
<toplink:collection-type>java.util.Vector</toplink:collection-type>
</toplink:container>
</opm:query>
</opm:queries>
<toplink:does-exist-query xsi:type="toplink:does-exist-query">
<toplink:existence-check>check-database</toplink:existence-check>
</toplink:does-exist-query>
<toplink:read-all-query xsi:type="toplink:read-all-query">
<toplink:reference-class>ExpiredTripPoller.Trip</toplink:reference-class>
<toplink:container xsi:type="toplink:list-container-policy">
<toplink:collection-type>java.util.Vector</toplink:collection-type>
</toplink:container>
</toplink:read-all-query>
</opm:querying>
<opm:attribute-mappings>
<opm:attribute-mapping xsi:type="toplink:direct-mapping">
<opm:attribute-name>id</opm:attribute-name>
<opm:field table="TRIP" name="ID" xsi:type="opm:column"/>
<opm:attribute-classification>java.math.BigDecimal</opm:attribute-classification>
</opm:attribute-mapping>
<opm:attribute-mapping xsi:type="toplink:direct-mapping">
<opm:attribute-name>lpn</opm:attribute-name>
<opm:field table="TRIP" name="LPN" xsi:type="opm:column"/>
<opm:attribute-classification>java.lang.String</opm:attribute-classification>
</opm:attribute-mapping>
<opm:attribute-mapping xsi:type="toplink:direct-mapping">
<opm:attribute-name>startTime</opm:attribute-name>
<opm:field table="TRIP" name="START_TIME" xsi:type="opm:column"/>
<opm:attribute-classification>java.sql.Timestamp</opm:attribute-classification>
</opm:attribute-mapping>
<opm:attribute-mapping xsi:type="toplink:direct-mapping">
<opm:attribute-name>expiryTime</opm:attribute-name>
<opm:field table="TRIP" name="EXPIRY_TIME" xsi:type="opm:column"/>
<opm:attribute-classification>java.sql.Timestamp</opm:attribute-classification>
</opm:attribute-mapping>
<opm:attribute-mapping xsi:type="toplink:direct-mapping">
<opm:attribute-name>status</opm:attribute-name>
<opm:field table="TRIP" name="STATUS" xsi:type="opm:column"/>
<opm:attribute-classification>java.math.BigDecimal</opm:attribute-classification>
</opm:attribute-mapping>
</opm:attribute-mappings>
<toplink:descriptor-type>independent</toplink:descriptor-type>
<toplink:caching>
<toplink:cache-type>weak-reference</toplink:cache-type>
<toplink:always-refresh>true</toplink:always-refresh>
</toplink:caching>
<toplink:remote-caching>
<toplink:cache-type>weak-reference</toplink:cache-type>
</toplink:remote-caching>
<toplink:instantiation/>
<toplink:copying xsi:type="toplink:instantiation-copy-policy"/>
<toplink:change-policy xsi:type="toplink:deferred-detection-change-policy"/>
<toplink:tables>
<toplink:table name="TRIP"/>
</toplink:tables>
</opm:class-mapping-descriptor>
</opm:class-mapping-descriptors>
</toplink:object-persistence>
To test I used the above custom SQL at the command line and it filtered the records by EXPIRY_TIME as expected.
When deployed, the polling process updates the STATUS file dof table entries, but all entries with status 0 regardless of EXPIRY_DATE. My modification appears to be being ignored. I was unsure as to whether the QUERY was being determined in some other way so I modified the descriptor (with the toplink expression editor) to compare against a literal time value, producing the following modified toplink_mappings.xml:
<?xml version="1.0" encoding="UTF-8"?>
<toplink:object-persistence version="Oracle TopLink - 10g Release 3 (10.1.3.1.0) (Build 061004)"
xmlns:opm="http://xmlns.oracle.com/ias/xsds/opm" xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:toplink="http://xmlns.oracle.com/ias/xsds/toplink"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<opm:name>ExpiredTripPoller</opm:name>
<opm:class-mapping-descriptors>
<opm:class-mapping-descriptor xsi:type="toplink:relational-class-mapping-descriptor">
<opm:class>ExpiredTripPoller.Trip</opm:class>
<opm:alias>Trip</opm:alias>
<opm:primary-key>
<opm:field table="TRIP" name="ID" xsi:type="opm:column"/>
</opm:primary-key>
<opm:events xsi:type="toplink:event-policy"/>
<opm:querying xsi:type="toplink:query-policy">
<opm:queries>
<opm:query name="ExpiredTripPoller" xsi:type="toplink:read-all-query">
<opm:criteria operator="lessThan" xsi:type="toplink:relation-expression">
<toplink:left name="expiryTime" xsi:type="toplink:query-key-expression">
<toplink:base xsi:type="toplink:base-expression"/>
</toplink:left>
<toplink:right xsi:type="toplink:constant-expression">
<toplink:value xsi:type="xsd:date">2007-07-30</toplink:value>
</toplink:right>
</opm:criteria>
<toplink:timeout>0</toplink:timeout>
<toplink:reference-class>ExpiredTripPoller.Trip</toplink:reference-class>
<toplink:cache-usage>primary-key</toplink:cache-usage>
<toplink:lock-mode>none</toplink:lock-mode>
<toplink:container xsi:type="toplink:list-container-policy">
<toplink:collection-type>java.util.Vector</toplink:collection-type>
</toplink:container>
</opm:query>
<opm:query name="findAllTrip" xsi:type="toplink:read-all-query">
<toplink:timeout>0</toplink:timeout>
<toplink:reference-class>ExpiredTripPoller.Trip</toplink:reference-class>
<toplink:cache-usage>primary-key</toplink:cache-usage>
<toplink:lock-mode>none</toplink:lock-mode>
<toplink:container xsi:type="toplink:list-container-policy">
<toplink:collection-type>java.util.Vector</toplink:collection-type>
</toplink:container>
</opm:query>
</opm:queries>
<toplink:does-exist-query xsi:type="toplink:does-exist-query">
<toplink:existence-check>check-database</toplink:existence-check>
</toplink:does-exist-query>
<toplink:read-all-query xsi:type="toplink:read-all-query">
<toplink:reference-class>ExpiredTripPoller.Trip</toplink:reference-class>
<toplink:container xsi:type="toplink:list-container-policy">
<toplink:collection-type>java.util.Vector</toplink:collection-type>
</toplink:container>
</toplink:read-all-query>
</opm:querying>
<opm:attribute-mappings>
<opm:attribute-mapping xsi:type="toplink:direct-mapping">
<opm:attribute-name>id</opm:attribute-name>
<opm:field table="TRIP" name="ID" xsi:type="opm:column"/>
<opm:attribute-classification>java.math.BigDecimal</opm:attribute-classification>
</opm:attribute-mapping>
<opm:attribute-mapping xsi:type="toplink:direct-mapping">
<opm:attribute-name>lpn</opm:attribute-name>
<opm:field table="TRIP" name="LPN" xsi:type="opm:column"/>
<opm:attribute-classification>java.lang.String</opm:attribute-classification>
</opm:attribute-mapping>
<opm:attribute-mapping xsi:type="toplink:direct-mapping">
<opm:attribute-name>startTime</opm:attribute-name>
<opm:field table="TRIP" name="START_TIME" xsi:type="opm:column"/>
<opm:attribute-classification>java.sql.Timestamp</opm:attribute-classification>
</opm:attribute-mapping>
<opm:attribute-mapping xsi:type="toplink:direct-mapping">
<opm:attribute-name>expiryTime</opm:attribute-name>
<opm:field table="TRIP" name="EXPIRY_TIME" xsi:type="opm:column"/>
<opm:attribute-classification>java.sql.Timestamp</opm:attribute-classification>
</opm:attribute-mapping>
<opm:attribute-mapping xsi:type="toplink:direct-mapping">
<opm:attribute-name>status</opm:attribute-name>
<opm:field table="TRIP" name="STATUS" xsi:type="opm:column"/>
<opm:attribute-classification>java.math.BigDecimal</opm:attribute-classification>
</opm:attribute-mapping>
</opm:attribute-mappings>
<toplink:descriptor-type>independent</toplink:descriptor-type>
<toplink:caching>
<toplink:cache-type>weak-reference</toplink:cache-type>
<toplink:always-refresh>true</toplink:always-refresh>
</toplink:caching>
<toplink:remote-caching>
<toplink:cache-type>weak-reference</toplink:cache-type>
</toplink:remote-caching>
<toplink:instantiation/>
<toplink:copying xsi:type="toplink:instantiation-copy-policy"/>
<toplink:change-policy xsi:type="toplink:deferred-detection-change-policy"/>
<toplink:tables>
<toplink:table name="TRIP"/>
</toplink:tables>
</opm:class-mapping-descriptor>
</opm:class-mapping-descriptors>
</toplink:object-persistence>
On deployment, this version of the BPEL process behaved as expected - only modifying the records with EXPIRY_TIME less thatn the literal time specified. (Also, I can't really pass in the time as a parameter as this is a polling model).
Can anyone shed any light on what is happening or suggest how I might go about polling in the desired way?
Cheers

Please take a look at this article which states SYSDATE is not supported in a
where clause.
http://www.oracle.com/technology/pub/articles/bpel_cookbook/qualcomm-bpel.html
Excerpt from the article:
Here are three important things you should do in implementing the above design:
Have the status of the record being processed stored in the database. The status includes the process state, next process attempt time, and processing attempt count.
Create an updatable view that exposes only records that are ready to be processed. A view is needed because the database adapter cannot handle a where clause that compares against SYSDATE.
Design logic that determines if a process instance that has faulted should be retried and when the retry should occur. This information will be updated in the database by use of a stored procedure. This can also be done with an update partner link and additional logic in BPEL.
mahalo,
a iii

How to use Database adapter as inbound adapter without having polling strategies?

Hi All,
I have a requirement wherein I have to use Database adapter to retrieve the data for every half an hour from one(X app) database and update that data into another application(Y app) .That database adapter will be along with BPEL process.My Flow would be like this:
Database Adapter( In 'exposed services' section) ----->   BPEL (in 'Components') -----> Y app service( in 'External References' section)
My questions for each step are below
     1) I have to retrieve the data from database(x app database) for every half an hour.So I have to schedule my whole process such that it should execute for every half an hour.
Means I have to get whatever the data is updated in the last half an hour in that database.
      The database adapter should be inbound in SOA composite editor(in 'Exposed services' section).
But in order to have inbound adapter,we have select the 'Poll for New or Changed Records in a Table' option in turn we have to select one of polling operations below:
         Delete the Row(s) that were Read
Update a Field in the [Table_Name] Table (Logical Delete)
Update a Sequencing Table
Update an External Sequencing Table on a Different Database
Control Table Strategy
But the problem is I don't have any control on the database(X app database) ,So (I can't update any data on that table,because that table may not have a field or table to update the processed rows)I can't choose any of the above operations.
How can I achieve what I want that is to retrieve the data and schedule the process?
Thanks in advance.

Hi Heckler,
Thank you very much for your answer that I can proceed further somehow.
I still need to have some clarifications.
In order to have a process which retrieves the data (Inbound operation) and updates the data into other application, the data(from X app) should be the request(through DB adapter) of the BPEL process.
X app does not do anything to send.We have(the BPEL process) to receive the data (or) no event is triggered.
The flow :
Database Adapter( In 'exposed services' section to retrieve data) ----->   BPEL (in 'Components') -----> Y app service( in 'External References' section)
How can we ensure the data will be request to BPEL process(means it will be in 'exposed services' section in SOA composite editor) for every half an hour if we use pick activity and database adapter as first activity?
When we use ''Poll for New or Changed Records in a Table' ,then only adapter becomes inbound and comes into the 'exposed services' section.I can't use it as I don't have any control on the source table.
I have this confusion before starting the process.Please help me to clear out the doubts.
And this whole process should be executed automaticallly for every half an hour(means it creates instance for every half an hour) Once we build the BPEL process.
How to schedule it?
And where do I need to create control table ?You mean I have to use some different database where in I have to create the table?

How to use Database Adapter in BPEL

I want to use Database Adapter in BPEL to transfer data from one table to other table and the data is still hold in the read table?
I can find a example from http://download.oracle.com/docs/cd/B31017_01/integrate.1013/b28994/adptr_db.htm#BDCIGDCB.
And the general design of my BPEL is as following:
1. Add a "status" column to the read table. And alter the value of status column of all data in read table to "unreaded".
2. Then create a empty BPEL (BPELAdapter) Project.
3. Add a Database Adapter:
(1) In step 1 of Adapter Configuration Wizard, configure the Service Name to datain.
(2) In step 2, configure the database connection.
(3) In step 3, choose "Poll for New or Changed Records in a Table".
(4) Then click Import Tables button, and choose the read table.
(5) In step 5, choose a column.
(6) Don’t do anything in step 6 and 7.
(7) In step 8, choose "Update a Field in the [Datain] Table (Logical Delete)".
(8) In step 9, configure Logical Delete Field to STATUS, configure Read Value to readed and configure Unread Value to unreaded.
(9) Don’t do anything in step 10 and 11.
4. Add a receive activity to connect to above database adapter.
5. Add another Database Adapter. Then configure this database adapter service WSDL:
(1) In step 1 of Adapter Configuration Wizard, configure the Service Name to dataout.
(2) In step 2, configure the database connection.
(3) In step 3, choose Perform an Operation on a Table (and all items under it).
(4) Then click Import Tables button, and choose the write table.
(5) In step 5, choose a column.
(6) Don’t do anything in step 6, 7 and 8.
6. Add a invoke activity to connect to above database adapter.
7. Add a assign activity between the receive activity and invoke activity. And configure the assign copy operation.
But after I deploy this BPEL project to the BPEL server and invoke this project, I get following error. Meanwhile, this BPEL don't take effect.
The following exception occured while processing this request:
Can't find partnerLinkType 2.
in
"file:/D:/soft/SOASuite/product/10.1.3.1/OracleAS_1/bpel/domains/default/tmp/.bpel_BPELAdapter_1.0_e82210b05e4d3e997eed581d0d220293.tmp/_BPELAdapter.wsdl" WSDL to find PartnerLinkType "{http://xmlns.oracle.com/pcbpel/adapter/db/datain/datain_plt"。
How to resolve?
Thanks,
Melody

Now, I can insert data into the table through Database Adapter.
But still can't select data from the table through Database Adapter.
Above error still happen when invoke the read database table with Database Adapter project:
Can't find partnerLinkType 2.
in
"file:/D:/soft/SOASuite/product/10.1.3.1/OracleAS_1/bpel/domains/default/tmp/.bpel_BPELAdapter_1.0_e82210b05e4d3e997eed581d0d220293.tmp/_BPELAdapter.wsdl" WSDL to find PartnerLinkType "{http://xmlns.oracle.com/pcbpel/adapter/db/datain/datain_plt"。

Error retrieving record through database adapter. (ORABPEL-11614)

Am trying to pass a customer name into a database adapter to retrieve customer info. It is working, but it is also faulting.
When I invoke the process with the name "3M COMPANY", I get the following audit message
[2008/06/05 17:36:01] Faulted while invoking operation "GetCustomerDataSelect_paramName" on provider "GetCustomerData".less
-<messages>
-<input>
-<customerName>
-<part xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="GetCustomerDataSelect_paramName_inparameters">
-<GetCustomerDataSelect_paramNameInputParameters xmlns="http://xmlns.oracle.com/pcbpel/adapter/db/top/GetCustomerData">
<paramName>3M COMPANY
</paramName>...
WSIF JCA Execute of operation 'GetCustomerDataSelect_paramName' failed due to: DBReadInteractionSpec Execute Failed Exception.
Query name: [GetCustomerDataSelect], Descriptor name: [GetCustomerData.Cstcgvmp].
; nested exception is:
     ORABPEL-11614
DBReadInteractionSpec Execute Failed Exception.
Query name: [GetCustomerDataSelect], Descriptor name: [GetCustomerData.Cstcgvmp].
See root exception for the specific exception. Caused by Exception [TOPLINK-6044] (Oracle TopLink - 10g Release 3 (10.1.3.1.0) (Build 061004)): oracle.toplink.exceptions.QueryException
Exception Description: The primary key read from the row [DatabaseRecord(
     => 101
     => A
     => 3M COMPANY
     => 3M CENTER
     => SAINT PAUL
     => MN
     => 551441000
     => 22)] during the execution of the query was detected to be null. Primary keys must not contain null.
Query: ReadAllQuery(bpel___localhost_default_Onboarding_1_0__MD5_8f8d9220a0bc6957be6fb657cf4ffabd_.GetCustomerData.Cstcgvmp).
</summary ...
The retrieved data is correct. The Database Adapter is pointing to an AS/400 table which does not have primary keys defined. In the offline database, I've defined CGVMSTCST to be the primary key.
The toplink_mappings.xml reflects that:
<opm:alias>Cstcgvmp</opm:alias>
<opm:primary-key>
<opm:field table="CSTCGVMP" name="CGVMSTCST" xsi:type="opm:column"/>
</opm:primary-key>
The value of this field for 3M is 101 (which was correctly picked up).
Why am I getting a primary key is null error?

I did, but I'm not sure how.
I deleted the Database Adapter and the associated offline file and reran the wizard (having a better idea of how to implement a parameter search) and it worked.
I was not able to identify what was created differently the second time.

PollingInterval in database adapter

Hi,
I have SOA 11g with two nodes. I have a database adapter that polls a table after every 30 seconds and perform logical delete on the rows read. I came across interesting situation. When one node is up and PollingInterval=30, it works okay and polling is done right after 30 seconds but when both nodes are up the PollingInterval property doesnt work as expected. It will poll after 24 seconds and then second node will again poll after 6 seconds (node1+node2=30 seconds in total).
Just wondering if I am missing something or doing something wrong? I want each node to run after 30 seconds (i.e only one instance after 30 seconds). My JCA file is:
<connection-factory location="eis/DB/myConn" UIConnectionName="Connection1" adapterRef=""/>
<endpoint-activation portType="MY_DATABASE_ptt" operation="receive">
<activation-spec className="oracle.tip.adapter.db.DBActivationSpec">
<property name="DescriptorName" value="MY_DATABASE.XYZTABLE"/>
<property name="QueryName" value="MY_DATABASESelect"/>
<property name="MappingsMetaDataURL" value="MY_DATABASE-or-mappings.xml"/>
<property name="PollingStrategy" value="LogicalDeletePollingStrategy"/>
<property name="MarkReadColumn" value="PROCESSED_FLAG"/>
<property name="MarkReadValue" value="P"/>
<property name="MarkUnreadValue" value="Y"/>
<property name="PollingInterval" value="30"/>
<property name="MaxRaiseSize" value="100"/>
<property name="MaxTransactionSize" value="100"/>
<property name="SequencingColumn" value="TRANSACTION_ID"/>
<property name="NumberOfThreads" value="1"/>
<property name="ReturnSingleResultSet" value="false"/>
</activation-spec>
</endpoint-activation>
</adapter-config>
Any help will be appreciated.
Thanks!

Hi,
Just have at look at this can be helpful
http://javaoraclesoa.blogspot.ca/2012/04/polling-with-dbadapter-in-clustered.html'
This reserved value (MarkReservedValue in _db.jca) causes an instance of the process to set an identifier. This identifier is skipped by the other polling instances in the cluster.*
Regards,
Tarak.

Problem with Merge in database adapter

Hi Everyone,
For my Bpel process I have the following:
1) File adapter
2) Receive activity
3) Transforms activity
4) Invoke activity
5) Database adapter
My Bpel process is working fine, no errors. It pick up the file ---> sends it to receive --> then transform the records --> then Invoke sends it to DB adapter to presist the records.
For the setting of my DB adapter, to preform an operation on my table I chose Insert or update option.
when running the same process multipul times my records in the table get duplicated. I dont understand why that is happening since I chose insert or update option in the DB adapter ??
How can I make my DB adapter overwrites the same records in the database if my file adapter picked up the same file that contains the same records ??
Thanks in Advanced,
AJ

Are you talking of a one off exercise, or is this something you want to happen every time a file is received.
Yes, what I mean if you want this as an on going step in your process then you would need to modify your existing process to add a new DB partnerlink that deletes the records. You could create a stored procedure that does both insert and delete if you only want one DB call though. This would replace your existing Db partner link that does the inserts.
cheers
James

Database Adapter Configuration Wizard "File already exists" error

I'm uding JDeveloper 10.1.3.1 on an XP machine running Java 1.5.0_06 and having trouble editing SOAOrderBooking.bpel as part of the tutorial.
The tutorial calls for me to drag a new Database Adapter onto the diagram, select the "soademo_ssn" database and, on page 3 of the wizard select "Perform an operation on a table" and have only "Select" checked.
When I click "Perform an operation on a table", the 5 tickboxes enable and are checked but the mouse pointer remains as an hourglass. If I press "Next" without doing anything else, the Wizard title changes to "Select Table" but never draws its controls, aside from the "Back" etc buttons along the bottom and the decorative graphic to the left. If I do try unchecking boxes to have only "Select" selected, every check box state change generates the error "File already exists" and the path of the .mwp file whose name I specified earlier. The file does exist, but it didn't before I entered the wizard.
I've tried with three different filenames, and with two different database connections- both of which check out fine when I do "Test connection" in their property pages from the Connection Navigator.
If I delete the file after each check state change, I can stop the errors appearing after I untick each checkbox, but the wizard still hangs on pressing "Next" whether the file is there or not.
Does anyone have any suggestions?

I am facing the same issues.
I want to pick the new files and retain the files after polling.
Any idea on this would help me to solve this issue.
Thanks in advance.

Database Adapter-Insert

Hi,
I am new to BPEL. I am trying to learn through tutorials. I am working on Insert tutorial (Database Adapters).
I was able to compile the project sucessfully in jdev and deploy to Bpel server.
After giving the input and hitting on post xml message the follwing error comes up:
file:/C:/product/10.1.3.1/OracleAS_1/bpel/domains/default/tmp/.bpel_Insert_1.0_3955c8686706b0e75f228f767a18cf38.tmp/InsertService.wsdl [ InsertService_ptt::insert(MoviesCollection) ] - WSIF JCA Execute of operation 'insert' failed due to: DBWriteInteractionSpec Execute Failed Exception.
insert failed. Descriptor name: [Insert.Movies]. [Caused by: JDBC 2.0 feature is not yet implemented]
; nested exception is:
     ORABPEL-11616
DBWriteInteractionSpec Execute Failed Exception.
insert failed. Descriptor name: [Insert.Movies]. [Caused by: JDBC 2.0 feature is not yet implemented]
Caused by Exception [TOPLINK-4002] (Oracle TopLink - 10g Release 3 (10.1.3.1.0) (Build 061004)): oracle.toplink.exceptions.DatabaseException
Internal Exception: java.sql.SQLException: JDBC 2.0 feature is not yet implementedError Code: 0.
Does anyone have idea about this error?
My settings in oc4j_ra.xml are as below:
<connector-factory location="eis/DB/BPELSamples" connector-name="Database Adapter">
          <config-property name="xADataSourceName" value=""/>
          <config-property name="dataSourceName" value=""/>
          <config-property name="platformClassName" value="oracle.toplink.internal.databaseaccess.OraclePlatform"/>
          <config-property name="usesNativeSequencing" value="true"/>
          <config-property name="sequencePreallocationSize" value="50"/>
          <config-property name="defaultNChar" value="false"/>
          <config-property name="usesBatchWriting" value="true"/>
          <config-property name="driverClassName" value="oracle.lite.poljdbc.POLJDBCDriver"/>
          <config-property name="connectionString" value="jdbc:polite4@localhost:1531:orabpel"/>
          <config-property name="userName" value="system"/>
          <config-property name="password" value="manager"/>
          <config-property name="minConnections" value="1"/>
          <config-property name="maxConnections" value="5"/>
          <config-property name="minReadConnections" value="1"/>
          <config-property name="maxReadConnections" value="5"/>
          <config-property name="usesExternalConnectionPooling" value="false"/>
          <config-property name="usesExternalTransactionController" value="false"/>
          <connection-pooling use="none">
          </connection-pooling>
          <security-config use="none">
          </security-config>
     </connector-factory>
and datasources.xml is
<connection-pool name="BPELPM_CONNECTION_POOL">
<connection-factory factory-class="oracle.lite.poljdbc.POLJDBCDriver"
user="system"
password="manager"
url="jdbc:polite4@localhost:1531:orabpel" />
</connection-pool>
<managed-data-source name="BPELServerDataSource"
connection-pool-name="BPELPM_CONNECTION_POOL"
jndi-name="jdbc/BPELServerDataSource" tx-level="global"/>
<managed-data-source name="BPELServerDataSourceWorkflow"
connection-pool-name="BPELPM_CONNECTION_POOL"
jndi-name="jdbc/BPELServerDataSourceWorkflow" tx-level="local"/>

I have a database connection called bpel samples in jdev. Can anyone help me in creating bpel process to insert data in a table using database adapters.
I am not able to get any output for any of the database adapter tutorials. Any hints????
Thanks in advance.
Edited by: user3833651 on Apr 22, 2009 8:17 PM

The database version is only important with the dehydration store. If you are using the adapters to select / delete / update / insert data into your application it comes down to the jdbc drivers. Basically if you are above 8i you should be fine.
olite is a very basic database, and the jdbc drivers are flaky, it's also not based on the Oracle code, therefore is not upgradable if you want to increase performance. You would need to perform some manual steps to migrate to a standard database.
If you are wanting to do basic tutorials and don't want to have a heavy database using all your resources, use oracle XE. No need to pact. If you have a oracle database installed somewhere use that.
http://www.oracle.com/technology/software/products/database/xe/index.html
cheers
James

Deleting Database Adapter

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