How to implement Fault Handler in BPEL

Any good material or sample available on ? How to handle exception properly If error does occur in BPEL ?

Hi',
Check this out,
http://rathinasaba.wordpress.com/2011/05/29/fault-handling-in-bpel/
http://rahullahiri.blogspot.com/2011/02/basic-fault-handling-in-soa-11g.html
http://jianmingli.com/wp/?p=2708
-Yatan

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Implement custom fault handling in bpel

Hi,
Can you please provide some link on how to implement custom fault handling in bpel
Thanks,
kpr

See the article below for details on implementing custom fault handling.
http://beatechnologies.wordpress.com/2011/07/18/fault-handling-in-oracle-soa-suite-advanced-concepts/

Best Practice for Implementing Exception Handling in BPEL

Hi All,
what is the best practice and the approach to follow Exception Handling in BPEL.
1) Do we need to implement Exception Handling in BPEL as we do in Java, means
     method 3 throws error to method 2 (if any) and
     method 2 throws error to method 1 (if any) and
     finally method 1 throws error to the main Class.
If we replicate the above scenario to BPEL
In BPEL main Scope have Custom Fault, Catch ALL
     Each Invoke is surrounded by a Scope Activity with Remote Fault, Binding Fault & Custom Fault
and follow the paradigm of Java, assuming we have Inner Scopes
     [ OR ]
2) In BPEL main Scope have all exceptions defined like
     Remote Fault,
     Binding Fault,
     anyOther System Fault (selectionFailure / forcedTermination),
     Custom Fault (if required) and
     CatchALL
     and also
     each Invoke is surrounded by a Scopes Acitivity with Custom Fault (business fault) exception Handling
I feel 1st one may not be a good practice, may be i am wrong...
Any Suggestions from experts.
Thanks in Advance
anvv sharma

Hi-
In you can create different scope and use catch branch to catch binding, remote, custom faults, business faults etc. If an error happens in a scope it will not move to the next scope( eg: you have 3 scope, error occured in 2nd scope then it will not propogate to the 3rd scope. One thing to be noticed here is your transaction in the 1st scope doesnt gets commited when an error happens in 2d scope).
You can have a catch all to catch error which are not being caught at catch level. So if any error happens which is not defined in catch block then then it will be caught in catch all branch.
Edited by: 333333 on Apr 12, 2011 9:39 AM

Fault Handling in BPEL

Hi,
Can anyone explain me how do I handle the faults in my BPEL process. What I want to do is whenever any Faults occur in my Invoke activity I want to capture the error messages and send an email to myself with the error messages. Appreciate if anyone can help me out here with the design process. I'm new to BPEL and if there is any step by step design document it would really help me.
Thanks
-Prapoorna

Please read
http://download.oracle.com/docs/cd/B31017_01/integrate.1013/b28981/faults.htm#sthref1186

Fault handling using BPEL

Good, I'm working on a research project and I have been assigned the task of processing errors in SOAP BPEL.
I've been searching on Internet and the most commonly methodology used is soap-fault with throwing and catching exceptions in BPEL process.
I wonder if I can do it in a more proactive and comprehensive way, catching those exceptions through a web service, and if possible, how can the BPEL process send the information encapsulated in the soap-fault to the web service?
If there is another way of treating errors or someone can suggest me another way, I would be very grateful.

I am not clear on your objective, but in so far as BPEL SE Component of Open-ESB Project, running on JBI is concerned you can read more about Fault handling and other features of BPELSE here at http://wiki.open-esb.java.net/Wiki.jsp?page=BPELSE. Also, you can find some working examples on this page http://wiki.open-esb.java.net/Wiki.jsp?page=HowToDo
- Malkit

To implement compensate Handler in bpel?

{color:#3366ff}Hi,
I am invoking two services(i.e,service A,service B{color}) in bpel.Both of them are dealing with diff. database.Now I want to use *{color:#ff0000}compensate hander{color}* such that if one service goes down than the whole transaction should also rolled back.if any one having idea how to implement and configure compensate handler,{color:#3366ff}please let me know.
Thanks
Arvind{color}
Edited by: Avi007 on Jun 23, 2008 9:41 PM

Arvind,
Please post this and any component related questions in the users list of esb. [email protected]
Transactions and compensation are not one and the same. compensation is used more for compensation, meaning business "roll back". If you see your services as units of business work, compensation would take compensatory actions when one of those fails.
In your case, you seem to want to roll-back like in transactions. Then you should use transactions. Have you tried using transactions with BPEL. Try making the BPEL atomic.
If you use compensation here, you could achieve something like this through compensation handler of the second service. That would be by invoking the first service to revert the changes. But this is not as atomic as TXs provide.
So when to use TX Vs compensation handler?
It depends on use case by use case, do you want to do TXs and incur it's overhead, or is your use case happy with few dirty reads. For instance if service A is airline reservtion and service B is car reservation, these don't need to use TXs. Simple compensation would do fine. Airline tickets do get cancelled and users accept the fact that the flight was full this moment, but next day there may be a vacant seat.
hope that helps,
Kiran B.

Fault Handling in BPEL process

hi
We have to develop an application which involves several BPEL processes and proxy service(OSB) and JMS queue etc.
What is the difference between Fault Management Framework in SOA11g and normal fault handling(using catch and throw activities)?
which one we should prefer for fault handling in our application n why?
Plz help thanks in advance.

Hi-
In Normal Fault handling process, you will be able to catch the faluts only but in Fault Management Framework if a fault occurs the framework catches the fault and performs a user-specified action defined in a fault policy file associated with the activity. You can also have a human intervention prescribed in it, where you perform recovery actions from Enterprise Manager.
Pls go throgh the below post for detailed description
http://download.oracle.com/docs/cd/E12839_01/integration.1111/e10224/bp_faults.htm
Fault Management Framework and non BPEL soap faults
Edited by: 333333 on Mar 23, 2011 5:01 PM

Fault Handling in BPEL - Continue after Catch Block

Hi,
I have a catch block in my BPEL process.
On exception, the catch block catches the error and terminates the BPEL Process.
Is it possible to loop back the flow after the catch sequence?
Thanks,
Venkat

Hi,
Thanks for your reply
Sorry, I was not clear with my question.
I have a infinite loop in my process. Inside the loop I have an invoke operation(Invokes another BPEL process) and a wait operation. If any exception occurs, my BPEL process terminates. However, I wanted my BPEL process to just continue in the loop.
I solved the issue with the help of this How to handle fault when BPEL process is polling a FTP server which is down
i.e, using the Scope activity. Place my invoke operation inside a scope and put a catchAll block only for that scope. Its working fine
Thanks,
Venkat

How to return fault from Async BPEL

Hi,
I have ESB that has input,output and fault, This ESB calls Async BPEL that takes only input. Now i want to return fault from BPEL to ESB. How do i do it?
Please help.

Hi,
My use case is i am implementing AIA. So my enterprise layer is ESB and my ABCS provider is BPEL. As provider takes lot of time to complete the instance, to avoid timeout issue i just created Async BPEL with two ports one for input another for fault. I am able to send back my fault back to this call back port. But how i can receive the fault to the same ESB which called the BPEL?
I am not able to implement it. I can not go for any workaround like creating one more BPEL and then make it as sync, put pick activity and receive the fault then send back to ESB.
Thats the reason i am very specific. If you find some solution please let me know.

How to return fault from Async BPEL to ESB

Hi,
I have ESB that has input,output and fault, This ESB calls Async BPEL that takes only input. Now i want to return fault from BPEL to ESB. How do i do it?
Please help.

Hi,
My use case is i am implementing AIA. So my enterprise layer is ESB and my ABCS provider is BPEL. As provider takes lot of time to complete the instance, to avoid timeout issue i just created Async BPEL with two ports one for input another for fault. I am able to send back my fault back to this call back port. But how i can receive the fault to the same ESB which called the BPEL?
I am not able to implement it. I can not go for any workaround like creating one more BPEL and then make it as sync, put pick activity and receive the fault then send back to ESB.
Thats the reason i am very specific. If you find some solution please let me know.

How to implement Exception Handling for soap to RFC sync interface...

Dear Experts,
we have an interface like soap to Rfc sync, already develepment is done and moved to production. but we are getting some quatitity is greater than item then it is throwing an error below. i want to handle that exception in XI level.
please guide i am not found any document for this type of interface.
Please suggest what can i do for this. Please share me the screen shot for this.
Error Log:
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
- 
- <SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="1">
<SAP:Category>Application</SAP:Category>
<SAP:Code area="RFC_ADAPTER">APPLICATION_ERROR</SAP:Code>
<SAP:P1 />
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="urn:sap-com:document:sap:rfc:functions">Z_DEPOT_DISPATCH.Exception</SAP:ApplicationFaultMessage>
<SAP:Stack />
<SAP:Retry>M</SAP:Retry>
</SAP:Error>
<rfc:Z_DEPOT_DISPATCH.Exception xmlns:rfc="urn:sap-com:document:sap:rfc:functions"><Name>RFC_ERROR_SYSTEM_FAILURE</Name><Text>Delivery quantity is greater than target quantity 10.000 MT</Text><Message><ID>VL</ID><Number>363</Number></Message><Attributes><V1>10.000</V1><V2>MT</V2></Attributes></rfc:Z_DEPOT_DISPATCH.Exception>
Regards,
Kiran Polani

Dear All,
This is clearly soap to rfc interface and we are using currently PI 7.0. This is a validation of BAPI, BAPI is not accepting the field of "Quantity is some value". The quatity is greater than the amount BAPI is throwing an error like "APPLICATION_ERROR". Is it possbile to validate in XI Level.
Soap --> XI--> BAPI(Request)
BAPI--> XI-->Soap(Response)( in this step what ever message return by bapi those error message not getting 3 rd party application).
here by catching that error and i should throw to 3rd party application.
is it possible to handle this or not.?
If it is possible in Fault Mapping/Fault message type please give me the steps or document for me.
I am new for fault mapping?
Please help me on this.
Regards,
Kiran Polani

How to implement Exception Handling error in IDoc to File and RFC to File

Hi,
We are implementing the two below scenarios :
1. IDOC to File
2. RFC to File
We have to implement the Exception Handling for the above two cases. Kindly could you provide the inputs to implement the Exception Handling for the above two cases.
Please provide the precious inputs to implement this.
Thanks,
Ramesh

Hi Ramesh,
The exception handling for idocs
http://help.sap.com/saphelp_nw04/helpdata/en/dc/6b7f1543d711d1893e0000e8323c4f/frameset.htm
Exception handling in File to IDoc Scenario
For RFCs
Re: Passing SAP Exceptions to a sync SOAP Call
Error Handling when using RFC
Exception Handling while Calling RFC - BPM
handle exceptions in remote function modules
Regards,
Prateek

How to add fault handling for file adapter??

Hi guys I am new to SOA technology ,I have one scenario in file adapter ,when file adapter reads a file from directory .If file is there then read the file data else it can give user defined exception that the file is not there .How can i write user defined exception in SOA?? Give me any ideas please.............
Thanks in advance..

So, you want to (1) Fetch the data from these 3 type of files and (2) Also, store the payload data of the file, which is in XML format, into the same database tables ?
If this is the requirement.. then, I would say, you could :
(1) Read files using file adapter, but not as opaque.. Define schemas conforming to the file structures. In that way, you'll always have the file data read in the form of XML.
(2) Fetch relevant data from such XML payloads of files and insert into database tables. Then, insert the XML payload into WHO column. You might have to convert the xml data into blob/clob before inserting.
Job done !

How to implement Error handling in Openscript

Hi All,
Please help me to implement this .
I am creating Load test script for ebs - approve requisitions process.
The script will login to check any requisitions are waiting for approval, if found then it will click on random requisitions then approve it.
There are no requisitions for approval then I want to call the log-out function then start the iteration again.
What function to be used to start the iteration again .
//After login, I am checking no of requisition to approve.
beginStep("Login");
getScript("MyFunc").callFunction("ebsLogin");
http.assertText("LoginCheckString", "window[@index='0']","Oracle Applications Home Page", Source.Html,TextPresence.PassIfPresent, MatchOption.Exact);
try {
http.solve("noOfFound", "window[@index='0']", "<a id=\"N39:(.+?)\" title=\"Purchase Requisition ", "No Requisitions Found", false, Source.Html, null, EncodeOptions.None);
}catch (Exception e){
info("No Requisitions to Approve");
        getScript("UtilityFunc").callFunction("ebsLogOut");
// I want to start the iteration again after this point, but it's continue executing the remaining steps.
endStep();
beginStep("ClkRequisitions");
http.link(716,"window[@index='0']//a[@id='N39:{{sRndChoice}}']").click();
endStep();
beginStep("Logout");
getScript("UtilityFunc").callFunction("ebsLogOut");
endStep();

Create a flag(boolean) and loop till true, ie.
boolean flag =true;
while(flag){
---your steps----
try{
----your steps---
flag=false;
catch(Exception e){
---your steps---
Cheers,
Deepu M
[email protected]

An issue with BPEL fault handling

Hi,
I need to catch an exception in my BPEL process. The exception is thrown from a partner service(in java). I am using the catch fault handler in BPEL to catch a specific fault.
1. When I give "systemFault" as the faultName its catching the fault
2. But when I give "Exception" as the faultName its not catching the fault
In the second case server log gives me the following fault,
BPCOR-6135:A fault was not handled in the process scope; Fault Name is {......
Can you please help me to figure out the problem here.
Please let me know if you need any more information.
Thanks in advance,
Jose John

Thank you very much for your reply.
Following is the wsdl file,
relevant part of the WSDL file
<message name="Exception">
<part name="fault" element="tns:Exception"/>
</message>
<portType name="PostConstraintChecker">
<operation name="check">
<input message="tns:check"/>
<output message="tns:checkResponse"/>
<fault message="tns:Exception" name="Exception"/>
</operation>
</portType>
<binding name="PostConstraintCheckerPortBinding" type="tns:PostConstraintChecker">
<soap:binding transport="http://schemas.xmlsoap.org/soap/http" style="document"/>
<operation name="check">
<soap:operation soapAction=""/>
<input>
<soap:body use="literal"/>
</input>
<output>
<soap:body use="literal"/>
</output>
<fault name="Exception">
<soap:fault name="Exception" use="literal"/>
</fault>
</operation>
</binding>
Is this correct? Do you see any problems in this? Please let me know if you need any more information which will help you in debugging the issue.
Thanks,
Jose John

How to implement Fault Handler in BPEL

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