For the processkeyrule, hierarchykeyrule, mergekeyrule and sharedfragmentkeyrule rules, you can influence the output behavior of system messages using the onmissingkeypart XML attribute, if the sub-key specified in the keyparts XML element cannot be calculated. The attribute can have one of the values info, warning or ignore, the default value is warning.
Attribute value |
Description |
---|---|
info |
The message is output as information. |
warning |
The message is output as a warning. |
ignore |
No message is output. |
Example
If you are using the predecessor merge method, the information for calculating the key for the preceding fragment to the first fragment in the process instance is normally missing. To suppress the expected messages, specify the value ignore for the onmissingkeypart XML attribute.