# IVP Generic Error Listener

The programs `SXR3IELS` and `SXJ3IELS` initiate a TIBCO messaging subscriber that receives error messages published by Substation about data transformation errors, warnings, and error conditions encountered during Substation ES IVP’s runtime processing.

The sample JCL stream for error listeners is in the following:

Data Set: `USERHLQ.JCL`

Member:

- `SXRRIELS` for TIBCO Rendezvous
- `SXJRIELS` for TIBCO Enterprise Message Service

Note: The `EXEC PARM - IVPNETW` is substituted with a set of TIBCO Rendezvous or TIBCO Enterprise Message Service ESB endpoint parameters. It is recommended that you use the provided default settings for all IVP runs.

## SYSIN Parameters

The error messages subjects to which the IVP Generic Error Listener subscribes are determined by the keywords and operands in the SYSIN file in the following:

Data Set: `USERHLQ.CNTL`

Member:

- `SXRPERLS` for TIBCO Rendezvous
- `SXJPERLS` for TIBCO Enterprise Message Service

The following table describes the control parameters for IVP Generic Error Listener:

Keyword – Operand | Description
--- | ---
`SUBJECT` {`tibss.error.>`} | The IVP error subject names to be listened to.
`QUEUE` or `TOPIC` {`tibss.error.out`} | TIBCO Enterprise Message Service only. The subject destination on which an error message is published if Transformer conversion or BES encounters errors.
`PSWD` | TIBCO Enterprise Message Service only. The password associated with the user ID if used in the session.
`UFLD-PFX` {`tibss-`} | The prefix of the Substation ES system field name for the processing status. We recommend that you do not change this value for IVP runs.
`USER` | TIBCO Enterprise Message Service only. The user-specified identifier if used in the session.
`TIMEOUT <number>` (in seconds) | A program is terminated after <`number`> seconds. The number range is 0 to 86400, and 0 means no time limit and 86400 means 24 hours.

For details about the Generic Error Listener, see "Generic Error Listener Utility" in the TIBCO Substation ES Operations and Administration manual.

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