Chapter 5. Troubleshooting and error handling

This chapter describes how the i2 connector for i2. handles errors. The connector generates logging and tracing messages. The chapter contains the following sections:

v“Logging error messages” on page 27

v“Tracing messages” on page 30

v“Tips for troubleshooting” on page 31

Logging error messages

The connector logs an error message whenever it encounters an abnormal condition during processing, regardless of the trace level. When such an error occurs, the connector also prints a textual representation of the failed business object as it was received. It writes the text to the i2 Adapter log file, whose file name corresponds to the connector property LogFileName.

The message contains a detailed description of the condition and the outcome and may also include extra information that may aid in debugging, such as business object dumps or stack traces (for exceptions).

Error types: Error messages are of two types:

vErrors--conditions that the connector can recover from, usually by abandoning the current processing.

vFatal errors--unrecoverable error conditions. See the following sections on polling-related and request processing errors.

Structure of error messages

All the error messages that the connector generates are stored in a message file named i2Adapter.txt. Each error message typically has a message ID, the error message, and an explanation section for a detailed description and tips to rectify the problem.

Message ID

Message

[EXPL]

The message IDs for the i2 connector range from 90000 to 92000, with 90000 to 91000 set aside for polling-related error messages, and 91000 to 92000 set aside for request processing error messages.

Example: The following exemplifies the message structure, where nnnnn represents the message ID.

nnnnn

Not able to get a connection for this instance {1}. [EXPL]

Please ensure that the instance specified is up.

{1}--Parameter to the error message, in this case the instance id.

© Copyright IBM Corp. 2002, 2003

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IBM WebSphere Business Integration Adapter manual Troubleshooting and error handling, Logging error messages

WebSphere Business Integration Adapter specifications

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