Trying to get Descriptive Alerts in BPM using wlg4714

Question

<a href="/people/community.user/blog/2006/10/16/simple-steps-to-get-descriptive-alerts-from-bpm-in-xi:///people/community.user/blog/2006/10/16/simple-steps-to-get-descriptive-alerts-from-bpm-in-xi
Hi I am trying to get a descriptive BPM Alert as per the Weblog above.
But I am not good at Java UDF.
The UDF featured how/where do I put this coding.
Scenario
BPM transform step fails and throws exception BPM_ALERT.
Within the Exception branch I setup a transform message mapping for my message MY_MESSAGE to an error message type MY_ERROR.
Within the mapping message_type --> error_message_type graphical mapping
I have mapping to node error_text.
Do I create a UDF called triggerAlert context Queue
then add the code in here? what about ResultList...
IF it needs to be a compiled class. I have tried this in the SAP Web Developer Studio Tool to write class and compile but it is erroring and will not compile...
package AlertMessage;
public class triggerAlert {
     public static void triggerAlert(
          String alertSubject,
          String[] alertMessage) {
          String strAlert = new String();
          String strAlertXML = new String();
          ArrayList returnStr = new ArrayList();
          //        split message if length more than 132.
          String newAlrtMsg = new String();
          int j = 0;
          for (int i = 0; i < alertMessage.length; i++) {
               newAlrtMsg = alertMessage<i>;
               try {
                    while (newAlrtMsg.length() > 130) {
                         newAlrtMsg = newAlrtMsg.substring(130);
                         j++;
                         strAlertXML
                              += "<item><ELEMENT>XI_ERROR_MESSAGE</ELEMENT><TAB_INDEX>"
                              + (j)
                              + "</TAB_INDEX><ELEMLENGTH>255</ELEMLENGTH><TYPE>C < / TYPE > < VALUE > "
                              + newAlrtMsg
                              + " < / VALUE > < / item > ";
                    j++;
                    strAlertXML
                         += "<item><ELEMENT>XI_ERROR_MESSAGE</ELEMENT><TAB_INDEX>"
                         + (j)
                         + "</TAB_INDEX><ELEMLENGTH>255</ELEMLENGTH><TYPE>C < / TYPE > < VALUE > "
                         + newAlrtMsg
                         + " < / VALUE > < / item > ";
                    } catch (Exception e) {
                    System.out.println(newAlrtMsg + "" + e.getMessage());
          try {
               //       Calling Alert RFC SALERT_CREATE
               Channel channel =
                    LookupService.getChannel(
                         "<XI_Servername>”,”XICommunicationChannelName");
               RfcAccessor accessor = LookupService.getRfcAccessor(channel);
               String rfcxml =
                    "<?xml version=\"1.0\" encoding=\"UTF-8\"?><ns0:SALERT_CREATE xmlns:ns0=\"urn:sap-com:document:sap:rfc:functions\"><IP_APPLICATION_GUID/><IP_CAT><AlertCategoryName></IP_CAT><IT_CONTAINER>"
               +"<item><ELEMENT>XI_ERROR_SUBJECT</ELEMENT><TAB_INDEX>000000</TAB_INDEX><ELEMLENGTH>255</ELEMLENGTH><TYPE>C</TYPE><VALUE><alertSubjectText>"
               "</VALUE></item>”strAlertXML+ </IT_CONTAINER></ns0:SALERT_CREATE>";
               InputStream inputStream =
                         new ByteArrayInputStream(rfcxml.getBytes());
               XmlPayload payload = LookupService.getXmlPayload(inputStream);
               Payload rfcOutPayload = null;
               rfcOutPayload = accessor.call(payload);
          } catch (com.sap.aii.mapping.lookup.LookupException e) {
               throw new RuntimeException(
                    " Error in raising Alert: <CC_MMGlobal_RFCLookUp_Alert> Communication Channel lookup failed",
                    e);
What to do, How to do it...
thanks,
V

Answer 1

Bhavesh,
I do go on...
Problem:- I have re-engineered a BPM to reduce long runtimes in Collect Scenario.
(1) Incoming to XI single xml messages --> collected in a folder on XI server.
(2) Trigger renaming of messages extension to *.xml in folder at specific time ie once daily.
(3) Receiving Communication Channel (type File) is first step in BPM gets triggered.
(4) BPM block 1 Receive step in loop collects messages (1,2,3...n) into multiline container of same type as messages.
(5) After 2 minutes Deadline Branch triggered.
(6) Ends Block 1 moves to Block 2
(7) Block 2 Transform Step of multiline container to single message type.
Simple mapping ie
<LIST> 1..unbounded    -->    <LIST> 1
<S_STX>                     -->        <S_STX> 1..unbounded
message1                                      message1
<S_STX>                                 <S_STX> 2..
<LIST>
<LIST>
<S_STX>
message2
<S_STX>
<LIST>                        -->       <LIST>
(8) Send step Single Message mapped using BIC Mapping to a Report XSLT Template.
If the process is successful then I get in XML message Monitor an entry and a payload. Of the concatenated messages.
If the process has an error the users want to be told about it as soon as possible hence I set up Alerting. Which works.
But on running a test scenario where message3 (structure is incorrect) at Step (7) the BPM throws the Alert correctly (no information passed as to error) and the Workflow Finishes.
In XML message Monitor the result is message1 is Greenflag. Message2, and Message3 are chequered flag.
No Message Payload generated from the BPM.
The users are not happy with this nor am I.
(1) I look at Workflow Log of BPM and see that step(7) the transformation step has information in the container elements MAPPING and TRACE (no way to reference these from BPM I know of).
(2) I read blogs etc and discover I should perhaps try to add more steps to my Exception/Alert Branch to try to deliver a Payload so the XML message Monitor shows something. Is this a correct assumption?
(3) I try to make my Alert message more informative but I am not skilled in what information is available to identify the error. The Workflow Container is not enough.
If I add a container operation to instantiate a container variable I would like to grab the Payload at least of the multiline element.
(4) To produce a Payload in the Exception Branch to output from the multiline element do I have to do a Loop and Container Operation to Split the multiline message up again into individual messages to send out to an error folder.
(5) I am trying to make it easier for the users to find the errorred files than searching through the Archive folder from the initial receive step.
(6) I am trying to stretch my knowledge of XI Error reporting so I can deliver a better solution to the users.
(7) I have some Java Skills from 10 years ago when life was simpler hence very rusty and am finding it difficult to fit it into the context of UDF's (what information can be accessed etc).
I hope this is clearer about my self made problem. I should never have mentioned error messaging to the users...
thanks,
V