Read uniquely named file. Sender File Adapter unsuitable for synchronous

Hi All,
We have a requirement to read a specific file that has a unique name based on a transaction ID. The transaction ID will be passed from the source application.
The communication is required to be synchronous. There could be multiple requests/files generated and present at the directory at any given time but each corresponding to a specific transaction ID. If the file is not yet generated for that transaction ID we return back an error to the calling system.
I think we can not use Sender File Adapter - because of the dynamic naming and also because we have to return a synchronous response back depending on the file availability. i.e. We can not have a defined pattern in the file name nor can we specify a wild card as there could be more than one files in the location.
In theory we could use the File Sender adapter to read all the files in the directory and a BPM with correlation set based on the transaction ID and let the process wait for the request. But as far as possible I want to avoid this unnecessary wait or extra demand on the system. More so because the files could get big.
If I were using a tool like SAP Business Connector or webMethods then I would I used a readFile Java service and given it a filename to return the required bytes in a synchronous read.
Is something like this possible in XI? If someone has written a synchronous Java to read file can they share the code? Or do you suggest I write a ABAP server proxy to read the file? The problem however will be how do we map the data to a XML within the code.
All suggestions welcome. There has to be a simple and effective solution to this mundane requirement !
Wishing all SDNers a bright start to this new year,
Thanks,
Charu
Message was edited by:
Charu Kulkarni
"The transaction ID will be passed from the source application so we know what file to pick"

Hi,
You could make the scenario a little simple and avoid custom development if the logic can be put into scripts(out of XI).
Say all the files are coming into a directory called D1.
Here, you could use a script to arrange all these in an order (say ascending) and move the first file into another directory D2.
The sender file adapter would poll this directory D2. The adapter can have a wild card character for the filename field now.
Once the file is in XI, you could check this against the transactionId present(I am not sure how you get this though!), and determine whether to send a mail, or to send a file back.
Here, I have assumed that there is somekind of order present in the files placed in the directory D1.
Again, this is just a suggestion.. I might be wrong with all the assumptions.
Regards,
Smitha.

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9710
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<?xml version="1.0" encoding="UTF-8" ?>
<xs:schema elementFormDefault="qualified"
targetNamespace="http://xmlns.oracle.com/xmlfile"
xmlns:tns="http://xmlns.oracle.com/xmlfile"
xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:element name="revision-report">
<xs:complexType>
<xs:sequence maxOccurs="unbounded">
<xs:element name="alternategroup">
<xs:complexType>
<xs:attribute name="name" use="required" type="xs:string"/>
<xs:attribute name="Desc" use="required" type="xs:string"/>
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<xs:attribute name="doc" use="required" type="xs:string"/>
<xs:attribute name="model" use="required" type="xs:string"/>
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</xs:schema>
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<?xml version="1.0" encoding="UTF-8" ?>
<revision-report doc="doc2" model="model4" pubdate="pubdate5">
<alternategroup Name="ABC" Desc="ABC-Desc">
</alternategroup>
<alternategroup Name="DEF" Desc="DEF-Desc">
</alternategroup>
<alternategroup Name="GHI" Desc="GHI-Desc">
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Thanks in advance for your attention.
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Thanks for your response.
I am not sure if there is any easier way, but I tried out the following tool available on the net to check an xml against a xsd:
http://tools.decisionsoft.com/schemaValidate/
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Here is my updated/simplified xsd and xml:
<?xml version="1.0" encoding="UTF-8" ?>
<xs:schema targetNamespace="http://xmlns.oracle.com/xmlfile"
xmlns:tns="http://xmlns.oracle.com/xmlfile"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns="http://xmlns.oracle.com/xmlfile">
<xs:element name="revision-report">
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<xs:element maxOccurs="unbounded" ref="alternategroup"/>
</xs:sequence>
<xs:attribute name="doc" use="required" type="xs:string"/>
<xs:attribute name="model" use="required" type="xs:string"/>
<xs:attribute name="pubdate" use="required" type="xs:string"/>
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<xs:element name="alternategroup">
<xs:complexType>
<xs:attribute name="Name" use="required" type="xs:string"/>
<xs:attribute name="Desc" use="required" type="xs:string"/>
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</xs:element>
</xs:schema>
<?xml version="1.0" encoding="UTF-8" ?>
<revision-report doc="doc2" model="model4" pubdate="pubdate5" xmlns="http://xmlns.oracle.com/xmlfile">
<alternategroup Name="ABC" Desc="ABC-Desc"/>
<alternategroup Name="DEF" Desc="DEF-Desc"/>
<alternategroup Name="GHI" Desc="GHI-Desc"/>
</revision-report>
I even tried the option that is available in JDeveloper to generate a sample xml from a xsd (when in the context of a Transformation activity). The xml generated by this also seems exactly like the one above.
So, I am not able to figure out why my BPEL process errors out with the message Invalid xml document.

Synchronous Read operation in File Adapter

Hi All,
Can anyone explain me on 'Synchronous Read' operation in File Adapter.
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Reading a csv file within a for loop

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Tzaf

PROBLEM SOLVED....
Basically the following declarations have been done within the for loop....
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thanks
anyway
tzaf

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I am using File Adapter for Read operation. Normally we would make a Logical Directory for reading files at that location. But I have come up with a scenario where we need to read file from 6 different File locations.
Is there any way that the same BPEL process can read file from 6 different locations.
OR
Do I need to make 6 BPEL processes to read file from 6 different locations.
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Cheers,
Varun

Hi Oracler,
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For count expression, I am getting following error:
<Faulthttp://schemas.oracle.com/bpel/extensionhttp://schemas.xmlsoap.org/soap/envelope/>
<faultcode>null:subLanguageExecutionFault</faultcode>
<faultstring>business exception</faultstring>
<faultactor>cx-fault-actor</faultactor>
<detail>
<code>XPathExecutionError</code>
<summary>XPath expression failed to execute. Error while processing xpath expression, the expression is "ora:countNodes(bpws:getVariableData('Invoke_3_SynchRead_OutputVariable','EmpCollection','/ns4:EmpCollection'))", the reason is FOTY0001: type error. Please verify the xpath query. </summary>
</detail>
</Fault>
I hard-coded count, in order to proceed. Then I got following error
<Faulthttp://schemas.oracle.com/bpel/extensionhttp://schemas.xmlsoap.org/soap/envelope/>
<faultcode>null:bindingFault</faultcode>
<faultstring>business exception</faultstring>
<faultactor>cx-fault-actor</faultactor>
<detail>
<code>null</code>
<summary>file:/C:/product/10.1.3.1/OracleAS_1/bpel/domains/default/tmp/.bpel_BPELProcess4_1.0_dc4a703c46a242f69d6cea305b2df3a3.tmp/WriteDA.wsdl [ WriteDA_ptt::insert(VbEmpCollection) ] - WSIF JCA Execute of operation 'insert' failed due to: Mapping Not Found Exception. The mapping [C1] for descriptor [class bpel___localhost_default_BPELProcess4_1_0__MD5_ad2539e1386433a9e059bcc969732f11_.WriteDA.VbEmp] could not be found. The input xml record had an element [VbEmp/C1]. ; nested exception is: ORABPEL-11627 Mapping Not Found Exception. The mapping [C1] for descriptor [class bpel___localhost_default_BPELProcess4_1_0__MD5_ad2539e1386433a9e059bcc969732f11_.WriteDA.VbEmp] could not be found. The input xml record had an element [VbEmp/C1]. Make sure that the input xml is valid relative to the xsd and that the mapping exists in the Mappings.xml. If an old version of the descriptor without this mapping has been loaded by the database adapter, you may need to bounce the app server. If the same descriptor is described in two separate Mappings.xml files, make sure both versions include this attribute/mapping. </summary>
<detail>null</detail>
</detail>
</Fault>
The bpel code is as follows (I can share entire BPEL project..But not sure how to attach to the thread :( )
<?xml version = "1.0" encoding = "UTF-8" ?>

<process name="BPELProcess4"
targetNamespace="http://xmlns.oracle.com/BPELProcess4"
xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
xmlns:bpws="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
xmlns:xp20="http://www.oracle.com/XSL/Transform/java/oracle.tip.pc.services.functions.Xpath20"
xmlns:ns4="http://TargetNamespace.com/InboundService"
xmlns:ids="http://xmlns.oracle.com/bpel/services/IdentityService/xpath"
xmlns:ldap="http://schemas.oracle.com/xpath/extension/ldap"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:client="http://xmlns.oracle.com/BPELProcess4"
xmlns:ora="http://schemas.oracle.com/xpath/extension"
xmlns:xref="http://www.oracle.com/XSL/Transform/java/oracle.tip.xref.xpath.XRefXPathFunctions"
xmlns:hwf="http://xmlns.oracle.com/bpel/workflow/xpath"
xmlns:ns1="http://xmlns.oracle.com/pcbpel/adapter/file/ReadFA/"
xmlns:ehdr="http://www.oracle.com/XSL/Transform/java/oracle.tip.esb.server.headers.ESBHeaderFunctions"
xmlns:ns3="http://xmlns.oracle.com/pcbpel/adapter/db/top/WriteDA"
xmlns:ns2="http://xmlns.oracle.com/pcbpel/adapter/db/WriteDA/"
xmlns:bpelx="http://schemas.oracle.com/bpel/extension"
xmlns:orcl="http://www.oracle.com/XSL/Transform/java/oracle.tip.pc.services.functions.ExtFunc">

<partnerLinks>

<partnerLink name="client" partnerLinkType="client:BPELProcess4"
myRole="BPELProcess4Provider"/>
<partnerLink name="WriteDA" partnerRole="WriteDA_role"
partnerLinkType="ns2:WriteDA_plt"/>
<partnerLink name="ReadFA" partnerRole="SynchRead_role"
partnerLinkType="ns1:SynchRead_plt"/>
</partnerLinks>

<variables>


<variable name="inputVariable"
messageType="client:BPELProcess4RequestMessage"/>
<variable name="outputVariable"
messageType="client:BPELProcess4ResponseMessage"/>
<variable name="Invoke_2_insert_InputVariable"
messageType="ns2:VbEmpCollection_msg"/>
<variable name="Invoke_3_SynchRead_InputVariable"
messageType="ns1:Empty_msg"/>
<variable name="Invoke_3_SynchRead_OutputVariable"
messageType="ns1:EmpCollection_msg"/>
<variable name="Invoke_3_SynchRead_InputVariable_1"
messageType="ns1:Empty_msg"/>
<variable name="Count" type="xsd:integer"/>
<variable name="iterater" type="xsd:integer"/>
</variables>

<sequence name="main">

<receive name="receiveInput" partnerLink="client"
portType="client:BPELProcess4" operation="process"
variable="inputVariable" createInstance="yes"/>

<invoke name="Invoke_3" partnerLink="ReadFA" portType="ns1:SynchRead_ptt"
operation="SynchRead"
outputVariable="Invoke_3_SynchRead_OutputVariable"
inputVariable="Invoke_3_SynchRead_InputVariable_1"/>
<assign name="Assign_1">
<copy>
<from expression="1"/>
<to variable="iterater"/>
</copy>
<copy>
<from expression="1"/>
<to variable="Count"/>
</copy>
</assign>
<while name="While_1"
condition="bpws:getVariableData('iterater') <= bpws:getVariableData('Count')">
<sequence name="Sequence_2">
<switch name="Switch_1">
<case condition="bpws:getVariableData('Invoke_3_SynchRead_OutputVariable','EmpCollection','/ns4:EmpCollection/ns4:Emp/ns4:C4') = "Pune"">
<sequence name="Sequence_1">
<assign name="Assign_3">
<copy>
<from expression="bpws:getVariableData('Invoke_3_SynchRead_OutputVariable','EmpCollection','/ns4:EmpCollection/ns4:Emp')[bpws:getVariableData('iterater')]"/>
<to variable="Invoke_2_insert_InputVariable"
part="VbEmpCollection"
query="/ns3:VbEmpCollection/ns3:VbEmp"/>
</copy>
</assign>
<invoke name="Invoke_2" partnerLink="WriteDA"
portType="ns2:WriteDA_ptt" operation="insert"
inputVariable="Invoke_2_insert_InputVariable"/>
</sequence>
</case>
<otherwise>
<sequence name="Sequence_3">
<empty name="Empty_1"/>
<assign name="Transform_1">
<bpelx:annotation>
<bpelx:pattern>transformation</bpelx:pattern>
</bpelx:annotation>
<copy>
<from expression="ora:processXSLT('Transformation_3.xsl',bpws:getVariableData('Invoke_3_SynchRead_OutputVariable','EmpCollection'))"/>
<to variable="Invoke_2_insert_InputVariable"
part="VbEmpCollection"/>
</copy>
</assign>
</sequence>
</otherwise>
</switch>
<assign name="Assign_2">
<copy>
<from expression="bpws:getVariableData('iterater') + 1"/>
<to variable="iterater"/>
</copy>
</assign>
</sequence>
</while>
<reply name="replyOutput" partnerLink="client"
portType="client:BPELProcess4" operation="process"
variable="outputVariable"/>
</sequence>
</process>
From the process flow, I can see that the array element expression works and the first employee record is correctly assigned to the Invoke_2_Input_Variable.
However Invoke_2 is erroring out.
Thanks
Edited by: user8645981 on Feb 5, 2010 2:44 AM

XI30 File Adapter - check for (NOT) incoming file

Hi!
We use XI30 SPS15 and have the following challenge: We expect every
week on a certain day a file coming from a customer. So far so good.
But now we want to check whether such a file has really come within a
given period of time and if not, we want to take some action (e.g.
trigger Alert or s.th. like that).
Business Background is: If the customer does not send the file or he
sends it too late, we cannot bill him in time, thus increasing our DSO.
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trigger an alert? I've read the File Adapter Documentation as well as
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hi volker,
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Regards,
michal
<a href="/people/michal.krawczyk2/blog/2005/06/28/xipi-faq-frequently-asked-questions">XI FAQ - Frequently Asked Questions</a>

File adapter instances for BPM processing

I have two doubts. If I have a single file adpater polling an Input folder and the reciever is the BPM,and i have multiple files in the same folder to be picked up by the File adapter. Will the files be qued up to be picked by the file adpter, or will there be a multiple instances of the file adapter internally ?
The second issue is that, if i have multiple instances of BPM using the same outbound file adpater, then will the outbound messages be qued up or sent parallely
Please share any ideas on this.
Regards

Hi,
1) Files with the same name cannot be in 1 folder. so if you need to pick up (say 3 files) u need to create 3 File sender channels and associated these channels to the corresponding sender agreements. So when ever an adapter find sthe file it will pick it up. So there will be queuing up at Adapter level.
2)In the secod case, all instances of BPm will send to the same file adapter, and the files will get overwritten unless you specify somethign like "append messad" or "add time stamp"
3)Each instance of your BPM is an indivual process. It doesn't care if the instace1 RFC has been suceessfully processed or not. So when file2 is sent, BPMInstance2 is created and RFCadapterInstance2 gets started processing....
Hope this helps you.
Cheers,
Siva Maranani.

Receiver file adapter error for special char.

I am using MTB in my receiver file adapter. I am getting a special character from source system at end of the string. How to resolve this type of error u2013 please advice.
This error is not coming for every message.
Error message:
Column value xxxx Â too long - must stop, probably configuration error in file adapter
Thanks
Vick

Hi,
Itu2019s basically IDOC to file scenario.
This error is coming for name field.
What I am thinking at this stage to do changes in MTB by define parameters like (NameA.enclosureConversion)

Receiver file adapter - support for attachments

Hi,
Is it possible that the reciever file adapter can process a message with attachment and generate two files, one for the main payload and the other for the attachment?
Thanks,
Amol

Amol,
Only File Sender adapter is capable of handling attachments not the receiver.
http://help.sap.com/saphelp_nw2004s/helpdata/en/4b/a20c4cfea96b498b1e1af3f32f0670/frameset.htm
Regards,
Jai Shankar

Reciever file adapter configuration for Deep structure

Hi Experts,
I have a idoc to file scenario in which i used a data type for file in below format:
DT_Test
-->Recordset(0.unbounded)
>E21DPU1(0.unbounded)
>field1
>field2
>E21DPU5(0.unbounded)
>filed 3
>filed 4
>E21DP03(0.unbounded)
>filed 5
>filed 6
Here DT_test is datatype name,Recordset is a structure name which contain E21DPU1, E21DPU5,E21DPO3 stucture inside it.Now,E21DPU5 and E21DPO3 structures are under E21DPU1.
I am confused in creating content conversion parameters i.e what we have to mention in Recordset Stucture .
I used E21DPU1,,E21DPU5,,E21DP03,* .should it work for deep structure.
Thanks
Deepak

Hi,
file adapter does not handle 2 level deep structures
the easiest way to do it now is to go for abap or java mapping
and create a line for each of the output lines and handle this in the file adapter
so like <line> </line>
<line>E21DPU1(0.unbounded) with fields </line>
<line>E21DPU5(0.unbounded) with fields </line>
<line> etc. </line>
Regards,
Michal Krawczyk

File Adapter problem for Fixed Length output file

Hi There!,
The following is my sample data format
ABCD 2345 03Accounting Swissland
ABCD 011234 1000Jack Gates 400000 03
ABCD 021234 1001Bill Welch 400000 03
In the first record has dept details:
DummyText, Row identifier(not given in case of dept), Identifier, Deptno, Deptname, Location
The second and third records are emp details:
DummyText,Row identifier, Identifier,EmptNo,Emp Name, Manager, Salary, Deptno.
Notice that the primary key is defined by the first three columns DummyText, Row identifier, Identifier.
When I use Native Format Builder from File Adapter and scan the first three columns I get all three records (i.e dept and both employees). I deleted the second employee and proceeded to finish the configuration. But, the problem I face is that the key value shows as "ABCD% 011234" for both the employee records where as I would like it to show as "ABCD 011234" for the first record and "ABCD 021234" for the second record.
How do I get around this problem?
Moreover if I have a group or recurring records and not just one record recurring. I mean assuming I have the following:
First row: Department
Second row: Employee
Thrid row: Manager
Fourth row: Employee
Fifth row: Manager
How do I get this done?
Does anyone have an idea where to find details of nxsd.
Thanks in Advance.

Hi Manoj
Give the FCC parameter as
RecordSet Structure = Header,,Detaillnes,,Detaillines2,*
Header.endSeparator = 'nl'
Header.fieldFixedLengths = field length
Header.fieldFixedLengthType = char/byte
Header.fieldNames = field1,field2,field3,.....
Header.keyFieldValue = Header
Detaillnes.endSeparator = 'nl'
Detaillnes.fieldFixedLengths = field length
Detaillnes.fieldFixedLengthType = char/byte
Detaillnes.fieldNames = field1,field2,field3,.....
Detaillnes.keyFieldValue = Detaillnes
Detaillines2.endSeparator = 'nl'
Detaillines2.fieldFixedLengths = field length
Detaillines2.fieldFixedLengthType = char/byte
Detaillines2.fieldNames = field1,field2,field3,.....
Detaillines2.keyFieldValue = Detaillines2
The keyFieldValue should be the Value which identifies your record either as Header/Detaillines/Detaillnes2.
Regards
Santhosh
Message was edited by:
Santhosh Kumar V

Read uniquely named file. Sender File Adapter unsuitable for synchronous

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