Converting Fixed-Length Flat Files (EDI) from SFTP Server to IDOC Using Groovy in SAP CPI

Estimated read time 19 min read

This blog will guide you through the process of converting fixed-length flat files (EDI) from an SFTP server into IDOCs using Groovy scripts in SAP Cloud Platform Integration (CPI).

Steps 1: SFTP File Retrieval

SAP CPI will connect to the SFTP server of the sender system at a predefined scheduled time to fetch the file from a specified folder on the SFTP server.

Configuration Details Required:

SFTP Sender: Configure the SFTP sender to connect to the sender system.

Folder Directory: Define the folder directory name, file name, SFTP address, SFTP authentication details, and post-processing details.

Post-Processing:

If the file should be deleted after successful processing, configure the deletion option.

If the file needs to be moved after processing, specify the archive directory for the file.

Steps 2: Content Modifier Configuration

In the CM_setParameters of the Content Modifier, define the IDOC configuration details as properties. These properties can be accessed in the message mapping using getProperty(). The required properties include:

Sender_Port
Sender_Partner_Type
Sender_Partner_Number
Sender_Partner_Function
Receiver_Port
Receiver_Partner_Type
Receiver_Partner_Number

Additionally, define the EDI record types as needed. For example, if the EDI type is EDI850 (ORDERS), use the required record types like Header Data, BaselineLineData, DetailLineData, etc. Each record type should specify the field name and field length as per the following example:

Note:

Sender_Partner_Number: Multiple partner numbers from the sender system can be mapped using value mapping. Map these partner numbers to the SNDPRN field in the IDOC. If additional fields need to be mapped to other segments in the IDOC, map those as well.

Steps 3: Groovy Script for Logging Incoming Payload

Use the Groovy script “GScript_RequestPayloadLogging” to log the incoming payload from the sender system. This script helps in tracking and debugging the inbound messages.

You can use the standard script available here, or modify it as per your specific needs.

Steps 4: Groovy Script to Convert Flat File to IDOC XML

“GScript_ConvertFlatFiletoIDOCXML” is the Groovy script used to convert the fixed-length flat file into an XML format.

Important Notes for XML Conversion:

Define field names and field lengths in the Content Modifier as mentioned earlier.

Use these properties in the Groovy script to correctly convert the flat file into XML format.

Add record types as needed in the script (e.g., case).

Groovy Script Example:

import com.sap.gateway.ip.core.customdev.util.Message
import groovy.xml.MarkupBuilder
// Define processFields as a separate method
def processFields(def fieldNames, def fieldLengths, int startIndex, def line, MarkupBuilder xmlBuilder)
{
// Iterate over field names and lengths
for (int i = 0; i < fieldNames.size(); i++)
{
def fieldName = fieldNames[i]
def fieldLength = fieldLengths[i]
// Ensure startIndex is within bounds of the line length
if (startIndex < line.length())
{
// Extract the substring based on fixed-width length
def fieldValue = line.substring(startIndex, Math.min(startIndex + fieldLength, line.length())).trim()
// Append fields to XML using MarkupBuilder
xmlBuilder.”$fieldName”(fieldValue)
// Move the startIndex to the next field position
startIndex += fieldLength
}
else
{
// If startIndex exceeds line length, break the loop
break
}
}
}
// Main processData method
def Message processData(Message message)
{
// Access the message payload
def body = message.getBody(java.lang.String) as String
// Handle the case where body is null or empty
if (!body || body.trim().isEmpty())
{
// If body is null or empty, return an empty XML structure
def writer = new StringWriter()
def xmlBuilder = new MarkupBuilder(writer)
xmlBuilder.records {}
message.setBody(writer.toString())
return message
}
// Split the input into lines
def lines = body.split(‘\r?\n’)
// Create XML structure using MarkupBuilder
def writer = new StringWriter()
def xmlBuilder = new MarkupBuilder(writer)
// Build XML document
xmlBuilder.records {
lines.each { line ->
// Initialize starting index for parsing the fixed-width fields
int startIndex = 0
// Check if the line is not empty and has enough length to check Record Type
if (line.size() > 16) {
// Extract the 18th character (index 17)
def recordtype = line.substring(16, 18)
// Determine action based on the integer value of Record Type
switch (recordtype) {
case “01”:
// Get field names and lengths from message properties
def HeaderData_fieldNames = message.getProperties().get(“HeaderData_fieldNames”).tokenize(“,”)
def HeaderData_fieldLengths = message.getProperties().get(“HeaderData_fieldLengths”).tokenize(“,”).collect { it.toInteger() }
HeaderData {
processFields(HeaderData_fieldNames, HeaderData_fieldLengths, startIndex, line, xmlBuilder)
}
break
case “06”:
def BaselineLineData_fieldNames = message.getProperties().get(“BaselineLineData_fieldNames”).tokenize(“,”)
def BaselineLineData_fieldLengths = message.getProperties().get(“BaselineLineData_fieldLengths”).tokenize(“,”).collect { it.toInteger() }
BaselineLineData {
processFields(BaselineLineData_fieldNames, BaselineLineData_fieldLengths, startIndex, line, xmlBuilder)
}
break
case “07”:
def DetailLineData_fieldNames = message.getProperties().get(“DetailLineData_fieldNames”).tokenize(“,”)
def DetailLineData_fieldLengths = message.getProperties().get(“DetailLineData_fieldLengths”).tokenize(“,”).collect { it.toInteger() }
DetailLineData {
processFields(DetailLineData_fieldNames, DetailLineData_fieldLengths, startIndex, line, xmlBuilder)
}
break
case “91”:
def ResourceAuthorizationData_fieldNames = message.getProperties().get(“ResourceAuthorizationData_fieldNames”).tokenize(“,”)
def ResourceAuthorizationData_fieldLengths = message.getProperties().get(“ResourceAuthorizationData_fieldLengths”).tokenize(“,”).collect { it.toInteger() }
ResourceAuthorizationData {
processFields(ResourceAuthorizationData_fieldNames, ResourceAuthorizationData_fieldLengths, startIndex, line, xmlBuilder)
}
break
case “92”:
def ShippedInformation_fieldNames = message.getProperties().get(“ShippedInformation_fieldNames”).tokenize(“,”)
def ShippedInformation_fieldLengths = message.getProperties().get(“ShippedInformation_fieldLengths”).tokenize(“,”).collect { it.toInteger() }
ShippedInformation {
processFields(ShippedInformation_fieldNames, ShippedInformation_fieldLengths, startIndex, line, xmlBuilder)
}
break
}
}
}
}
// Convert MarkupBuilder result to XML string
def xmlPayload = writer.toString()
// Set the XML string as the message payload
message.setBody(xmlPayload)
// Return the modified message
return message
}

Steps 5: Message Mapping to Convert XML to IDOC

 Use the message mapping “MM_EDI_*_to_S4HANA” to map the XML payload to IDOC fields. This mapping is essential to transform the XML data into the proper IDOC format.

Steps 6: Trigger IDOC in S4HANA

Once the XML payload is mapped to the IDOC structure, it will trigger the IDOC to be posted to S4HANA.

Steps 7: Storing IDOC Response in MPL

Use the Groovy script “GScript_storeIDOCResponse” to store the IDOC numbers in the custom header of the Message Processing Log (MPL). Alternatively, you can use the Content Modifier to capture the IDOC numbers in the property using XPath, for example, //DbId.

Groovy Script Example:

import com.sap.gateway.ip.core.customdev.util.Message
import javax.xml.xpath.*
import groovy.xml.XmlUtil
Message processData(Message message) {
// Initialize a message log
def messageLog = messageLogFactory.getMessageLog(message)
// Get the payload
def body = message.getBody(String)
// Parse the payload as XML
def xmlParser = new XmlParser()
def xml = xmlParser.parseText(body)
// Initialize a list to hold DbId numbers
def dbIdNumbersList = []
// Extract DbId from the IdocAssign element
xml.’IdocAssign’.each { idocAssign ->
def dbId = idocAssign.’DbId’.text()
// Remove leading zeroes from the DbId
dbId = dbId.replaceAll(“^0+”, “”)
dbIdNumbersList << dbId // Add to the list
}
// Join the DbId numbers into a comma-separated string
def dbIdNumbers = dbIdNumbersList.join(“,”)
// Retrieve the existing DbId numbers from the header (if any)
def existingDbIdNumbers = message.getHeader(“DbIdNumbers”, String) ?: “”
// Append the new DbId numbers
if (existingDbIdNumbers)
{
existingDbIdNumbers += “,” + dbIdNumbers
}
else
{
existingDbIdNumbers = dbIdNumbers
}
// Store the updated list of DbId numbers in the header
message.setHeader(“DbIdNumbers”, existingDbIdNumbers)
// Log the DbId numbers if the message log is available
if (messageLog != null)
{
// Read DbId number from Header
def DBIDNUM = message.getHeader(“DbIdNumbers”, String)
// Set DbId number as Custom Header
if (DBIDNUM != null)
{
messageLog.addCustomHeaderProperty(“IDOC”, DBIDNUM)
}
}
return message
}

MPL:

Steps 8: Post-Processing: Moving the File to Archive

Once the file is successfully processed, it will be moved to the Archive folder of the SFTP directory (e.g., /abc/xyz/Archive), provided you selected the post-processing option to Move File.

Exception Handling in SAP CPI

In case an error occurs during the file processing, an Exception subprocess is triggered. This subprocess will perform two key tasks:

Move the problematic EDI file to an error folder on the SFTP server (if configured).
Send an alert to intended recipients via email (if email configuration is set up).

Follow the steps below to handle exceptions effectively:

Steps for Exception Handling:-

Step 1: Read the Exception with Groovy Script

In the Exception Subprocess, use the Groovy script “GScript_ReadException” to capture and handle the exceptions. The script retrieves the root cause of the exception and logs it appropriately.

Here is the Groovy script used to capture and log the SAP exception details:

Groovy Script:

import com.sap.gateway.ip.core.customdev.util.Message
import org.apache.camel.builder.SimpleBuilder
import org.apache.camel.Exchange
import java.util.HashMap
// Helper method to get the root cause of an exception
def getRootCause(Exception e) {
Throwable cause = e.getCause()
while (cause != null && cause.getCause() != null) {
cause = cause.getCause()
}
return cause != null ? cause : e
}
def Message processData(Message message) {
// Get the map of properties
def map = message.getProperties()
// Get the exception Java class instance
def ex = map.get(“CamelExceptionCaught”)
if (ex != null) {
def messageLog = messageLogFactory.getMessageLog(message)
// Get the root cause of the exception
def rootCause = getRootCause(ex)
// Log the exception class name and details
if (rootCause.getClass().getCanonicalName().equals(“com.sap.gateway.core.ip.component.idoc.exception.IdocException”)) {
messageLog.addAttachmentAsString(“idoc.error”, rootCause.getMessage(), “text/plain”)
message.setHeader(“idoc.error”, rootCause.getMessage())
// If responseBody is not available, it might not be possible to log it
def responseBody = rootCause.getResponseBody() // Assuming this method exists
if (responseBody != null) {
messageLog.addAttachmentAsString(“idoc.response”, responseBody, “text/plain”)
message.setHeader(“idoc.response”, responseBody)
}
}
}
return message
}

This script captures exceptions, identifies the root cause, and logs the error details to the Message Processing Log (MPL). If the exception is related to an IDoc error, the script logs the error message and the response body, if available.

Step 2: Move the EDI File to the Error Folder

In case of an error, the EDI file will be moved to an Error Folder on the SFTP server for further investigation. This is done by calling the Process Direct in another integration flow (IFlow).

Second IFlow:

Steps to configure the Error Folder:

Create a second IFlow that handles the process direct.
Configure the Poll Enrich step to connect with the SFTP Sender adapter and move the file to the error directory (/abc/xyz/Errors).
Kindly find the below snapshots as per configuration:

               /abc/xyz/Errors/${file:onlyname.noext}.${file:ext}

This will move the problematic EDI file from the home directory to the error folder when the exception subprocess is triggered.

Step 3: Send Email Notification

Once the file is moved to the error folder, an email alert will be sent to the configured recipients. The email will contain details about the error and the file that was moved to the error folder.

To enable email notifications:

Configure the email recipient details in the IFlow.
The email will be triggered automatically once the file is moved to the error folder.

 

Conclusion:

In this blog, we have walked through the process of converting a fixed-length flat file from an SFTP server into an IDOC using SAP CPI, leveraging Groovy scripts for seamless integration and data transformation. We covered the entire flow—from fetching the file from the SFTP server, mapping the data into IDOC format, and sending the IDOC to S/4HANA, to handling exceptions effectively when things don’t go as planned.

By implementing proper exception handling using Groovy scripts and integrating the process direct for moving files to an error folder, we ensure that issues are captured and alerted to relevant recipients promptly. This allows for smoother troubleshooting and better monitoring of integration processes. Additionally, sending email notifications ensures that stakeholders are informed about any disruptions in real time, helping maintain the efficiency and reliability of the integration system.

With these steps, your SAP CPI integration can effectively handle file transformations, IDOC processing, and robust error management, providing an optimal solution for complex business workflows.

 

​ This blog will guide you through the process of converting fixed-length flat files (EDI) from an SFTP server into IDOCs using Groovy scripts in SAP Cloud Platform Integration (CPI).

Steps 1: SFTP File Retrieval
SAP CPI will connect to the SFTP server of the sender system at a predefined scheduled time to fetch the file from a specified folder on the SFTP server.
Configuration Details Required:
SFTP Sender: Configure the SFTP sender to connect to the sender system.
Folder Directory: Define the folder directory name, file name, SFTP address, SFTP authentication details, and post-processing details.
Post-Processing:
If the file should be deleted after successful processing, configure the deletion option.
If the file needs to be moved after processing, specify the archive directory for the file.
Steps 2: Content Modifier Configuration
In the CM_setParameters of the Content Modifier, define the IDOC configuration details as properties. These properties can be accessed in the message mapping using getProperty(). The required properties include:

Sender_Port
Sender_Partner_Type
Sender_Partner_Number
Sender_Partner_Function
Receiver_Port
Receiver_Partner_Type
Receiver_Partner_Number

Additionally, define the EDI record types as needed. For example, if the EDI type is EDI850 (ORDERS), use the required record types like Header Data, BaselineLineData, DetailLineData, etc. Each record type should specify the field name and field length as per the following example:

Note:
Sender_Partner_Number: Multiple partner numbers from the sender system can be mapped using value mapping. Map these partner numbers to the SNDPRN field in the IDOC. If additional fields need to be mapped to other segments in the IDOC, map those as well.
Steps 3: Groovy Script for Logging Incoming Payload
Use the Groovy script “GScript_RequestPayloadLogging” to log the incoming payload from the sender system. This script helps in tracking and debugging the inbound messages.
You can use the standard script available here, or modify it as per your specific needs.
Steps 4: Groovy Script to Convert Flat File to IDOC XML
“GScript_ConvertFlatFiletoIDOCXML” is the Groovy script used to convert the fixed-length flat file into an XML format.
Important Notes for XML Conversion:
Define field names and field lengths in the Content Modifier as mentioned earlier.
Use these properties in the Groovy script to correctly convert the flat file into XML format.
Add record types as needed in the script (e.g., case).
Groovy Script Example:
import com.sap.gateway.ip.core.customdev.util.Message
import groovy.xml.MarkupBuilder
// Define processFields as a separate method
def processFields(def fieldNames, def fieldLengths, int startIndex, def line, MarkupBuilder xmlBuilder)
{
// Iterate over field names and lengths
for (int i = 0; i < fieldNames.size(); i++)
{
def fieldName = fieldNames[i]
def fieldLength = fieldLengths[i]
// Ensure startIndex is within bounds of the line length
if (startIndex < line.length())
{
// Extract the substring based on fixed-width length
def fieldValue = line.substring(startIndex, Math.min(startIndex + fieldLength, line.length())).trim()
// Append fields to XML using MarkupBuilder
xmlBuilder.”$fieldName”(fieldValue)
// Move the startIndex to the next field position
startIndex += fieldLength
}
else
{
// If startIndex exceeds line length, break the loop
break
}
}
}
// Main processData method
def Message processData(Message message)
{
// Access the message payload
def body = message.getBody(java.lang.String) as String
// Handle the case where body is null or empty
if (!body || body.trim().isEmpty())
{
// If body is null or empty, return an empty XML structure
def writer = new StringWriter()
def xmlBuilder = new MarkupBuilder(writer)
xmlBuilder.records {}
message.setBody(writer.toString())
return message
}
// Split the input into lines
def lines = body.split(‘\r?\n’)
// Create XML structure using MarkupBuilder
def writer = new StringWriter()
def xmlBuilder = new MarkupBuilder(writer)
// Build XML document
xmlBuilder.records {
lines.each { line ->
// Initialize starting index for parsing the fixed-width fields
int startIndex = 0
// Check if the line is not empty and has enough length to check Record Type
if (line.size() > 16) {
// Extract the 18th character (index 17)
def recordtype = line.substring(16, 18)
// Determine action based on the integer value of Record Type
switch (recordtype) {
case “01”:
// Get field names and lengths from message properties
def HeaderData_fieldNames = message.getProperties().get(“HeaderData_fieldNames”).tokenize(“,”)
def HeaderData_fieldLengths = message.getProperties().get(“HeaderData_fieldLengths”).tokenize(“,”).collect { it.toInteger() }
HeaderData {
processFields(HeaderData_fieldNames, HeaderData_fieldLengths, startIndex, line, xmlBuilder)
}
break
case “06”:
def BaselineLineData_fieldNames = message.getProperties().get(“BaselineLineData_fieldNames”).tokenize(“,”)
def BaselineLineData_fieldLengths = message.getProperties().get(“BaselineLineData_fieldLengths”).tokenize(“,”).collect { it.toInteger() }
BaselineLineData {
processFields(BaselineLineData_fieldNames, BaselineLineData_fieldLengths, startIndex, line, xmlBuilder)
}
break
case “07”:
def DetailLineData_fieldNames = message.getProperties().get(“DetailLineData_fieldNames”).tokenize(“,”)
def DetailLineData_fieldLengths = message.getProperties().get(“DetailLineData_fieldLengths”).tokenize(“,”).collect { it.toInteger() }
DetailLineData {
processFields(DetailLineData_fieldNames, DetailLineData_fieldLengths, startIndex, line, xmlBuilder)
}
break
case “91”:
def ResourceAuthorizationData_fieldNames = message.getProperties().get(“ResourceAuthorizationData_fieldNames”).tokenize(“,”)
def ResourceAuthorizationData_fieldLengths = message.getProperties().get(“ResourceAuthorizationData_fieldLengths”).tokenize(“,”).collect { it.toInteger() }
ResourceAuthorizationData {
processFields(ResourceAuthorizationData_fieldNames, ResourceAuthorizationData_fieldLengths, startIndex, line, xmlBuilder)
}
break
case “92”:
def ShippedInformation_fieldNames = message.getProperties().get(“ShippedInformation_fieldNames”).tokenize(“,”)
def ShippedInformation_fieldLengths = message.getProperties().get(“ShippedInformation_fieldLengths”).tokenize(“,”).collect { it.toInteger() }
ShippedInformation {
processFields(ShippedInformation_fieldNames, ShippedInformation_fieldLengths, startIndex, line, xmlBuilder)
}
break
}
}
}
}
// Convert MarkupBuilder result to XML string
def xmlPayload = writer.toString()
// Set the XML string as the message payload
message.setBody(xmlPayload)
// Return the modified message
return message
}
Steps 5: Message Mapping to Convert XML to IDOC
 Use the message mapping “MM_EDI_*_to_S4HANA” to map the XML payload to IDOC fields. This mapping is essential to transform the XML data into the proper IDOC format.

Steps 6: Trigger IDOC in S4HANA
Once the XML payload is mapped to the IDOC structure, it will trigger the IDOC to be posted to S4HANA.
Steps 7: Storing IDOC Response in MPL
Use the Groovy script “GScript_storeIDOCResponse” to store the IDOC numbers in the custom header of the Message Processing Log (MPL). Alternatively, you can use the Content Modifier to capture the IDOC numbers in the property using XPath, for example, //DbId.
Groovy Script Example:
import com.sap.gateway.ip.core.customdev.util.Message
import javax.xml.xpath.*
import groovy.xml.XmlUtil
Message processData(Message message) {
// Initialize a message log
def messageLog = messageLogFactory.getMessageLog(message)
// Get the payload
def body = message.getBody(String)
// Parse the payload as XML
def xmlParser = new XmlParser()
def xml = xmlParser.parseText(body)
// Initialize a list to hold DbId numbers
def dbIdNumbersList = []
// Extract DbId from the IdocAssign element
xml.’IdocAssign’.each { idocAssign ->
def dbId = idocAssign.’DbId’.text()
// Remove leading zeroes from the DbId
dbId = dbId.replaceAll(“^0+”, “”)
dbIdNumbersList << dbId // Add to the list
}
// Join the DbId numbers into a comma-separated string
def dbIdNumbers = dbIdNumbersList.join(“,”)
// Retrieve the existing DbId numbers from the header (if any)
def existingDbIdNumbers = message.getHeader(“DbIdNumbers”, String) ?: “”
// Append the new DbId numbers
if (existingDbIdNumbers)
{
existingDbIdNumbers += “,” + dbIdNumbers
}
else
{
existingDbIdNumbers = dbIdNumbers
}
// Store the updated list of DbId numbers in the header
message.setHeader(“DbIdNumbers”, existingDbIdNumbers)
// Log the DbId numbers if the message log is available
if (messageLog != null)
{
// Read DbId number from Header
def DBIDNUM = message.getHeader(“DbIdNumbers”, String)
// Set DbId number as Custom Header
if (DBIDNUM != null)
{
messageLog.addCustomHeaderProperty(“IDOC”, DBIDNUM)
}
}
return message
}
MPL:

Steps 8: Post-Processing: Moving the File to Archive
Once the file is successfully processed, it will be moved to the Archive folder of the SFTP directory (e.g., /abc/xyz/Archive), provided you selected the post-processing option to Move File.
Exception Handling in SAP CPI

In case an error occurs during the file processing, an Exception subprocess is triggered. This subprocess will perform two key tasks:

Move the problematic EDI file to an error folder on the SFTP server (if configured).
Send an alert to intended recipients via email (if email configuration is set up).

Follow the steps below to handle exceptions effectively:
Steps for Exception Handling:-
Step 1: Read the Exception with Groovy Script
In the Exception Subprocess, use the Groovy script “GScript_ReadException” to capture and handle the exceptions. The script retrieves the root cause of the exception and logs it appropriately.
Here is the Groovy script used to capture and log the SAP exception details:
Groovy Script:
import com.sap.gateway.ip.core.customdev.util.Message
import org.apache.camel.builder.SimpleBuilder
import org.apache.camel.Exchange
import java.util.HashMap
// Helper method to get the root cause of an exception
def getRootCause(Exception e) {
Throwable cause = e.getCause()
while (cause != null && cause.getCause() != null) {
cause = cause.getCause()
}
return cause != null ? cause : e
}
def Message processData(Message message) {
// Get the map of properties
def map = message.getProperties()
// Get the exception Java class instance
def ex = map.get(“CamelExceptionCaught”)
if (ex != null) {
def messageLog = messageLogFactory.getMessageLog(message)
// Get the root cause of the exception
def rootCause = getRootCause(ex)
// Log the exception class name and details
if (rootCause.getClass().getCanonicalName().equals(“com.sap.gateway.core.ip.component.idoc.exception.IdocException”)) {
messageLog.addAttachmentAsString(“idoc.error”, rootCause.getMessage(), “text/plain”)
message.setHeader(“idoc.error”, rootCause.getMessage())
// If responseBody is not available, it might not be possible to log it
def responseBody = rootCause.getResponseBody() // Assuming this method exists
if (responseBody != null) {
messageLog.addAttachmentAsString(“idoc.response”, responseBody, “text/plain”)
message.setHeader(“idoc.response”, responseBody)
}
}
}
return message
}
This script captures exceptions, identifies the root cause, and logs the error details to the Message Processing Log (MPL). If the exception is related to an IDoc error, the script logs the error message and the response body, if available.
Step 2: Move the EDI File to the Error Folder
In case of an error, the EDI file will be moved to an Error Folder on the SFTP server for further investigation. This is done by calling the Process Direct in another integration flow (IFlow).
Second IFlow:

Steps to configure the Error Folder:

Create a second IFlow that handles the process direct.
Configure the Poll Enrich step to connect with the SFTP Sender adapter and move the file to the error directory (/abc/xyz/Errors).
Kindly find the below snapshots as per configuration:

               /abc/xyz/Errors/${file:onlyname.noext}.${file:ext}
This will move the problematic EDI file from the home directory to the error folder when the exception subprocess is triggered.
Step 3: Send Email Notification
Once the file is moved to the error folder, an email alert will be sent to the configured recipients. The email will contain details about the error and the file that was moved to the error folder.
To enable email notifications:

Configure the email recipient details in the IFlow.
The email will be triggered automatically once the file is moved to the error folder.

 
Conclusion:
In this blog, we have walked through the process of converting a fixed-length flat file from an SFTP server into an IDOC using SAP CPI, leveraging Groovy scripts for seamless integration and data transformation. We covered the entire flow—from fetching the file from the SFTP server, mapping the data into IDOC format, and sending the IDOC to S/4HANA, to handling exceptions effectively when things don’t go as planned.
By implementing proper exception handling using Groovy scripts and integrating the process direct for moving files to an error folder, we ensure that issues are captured and alerted to relevant recipients promptly. This allows for smoother troubleshooting and better monitoring of integration processes. Additionally, sending email notifications ensures that stakeholders are informed about any disruptions in real time, helping maintain the efficiency and reliability of the integration system.
With these steps, your SAP CPI integration can effectively handle file transformations, IDOC processing, and robust error management, providing an optimal solution for complex business workflows.   Read More Technology Blogs by Members articles 

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