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The structure of the Common Base Event

 

A Common Base Event is a common structure for an event. It defines common fields, the values that these fields can take, and the exact meanings of these values for an event. The Common Base Event contains several structural elements. These elements include:

Each of these structural elements has its own embedded elements and attributes.

The following table presents a summary of all the fields in the Common Base Event and their usage requirements for problem determination events. This table shows whether a particular element or attribute is required, recommended, optional, prohibited, or discouraged for log events, and the base specification.

Field name Log events Base specification
Version Required Required
creationTime Required Required
severity Required Optional
Msg Required Optional
sourceComponentId* Required Required
sourceComponentId.location Required Required
sourceComponentId.locationType Required Required
sourceComponentId.component Required Required
sourceComponentId.subComponent Required Required
sourceComponentId.componentIdType Required Required
sourceComponentId.componentType Required Required
sourceComponentId.application Recommended Optional
sourceComponentId.instanceId Recommended Optional
sourceComponentId.processId Recommended Optional
sourceComponentId.threadId Recommended Optional
sourceComponentId.executionEnvironment Optional Optional
situation* Required Required
situation.categoryName Required Required
situation.situationType* Required Required
situation.situationType.reasoningScope Required Required
situation.situationType.(specific Situation Type elements) Required Required
msgDataElement* Recommended Optional
msgDataElement .msgId Recommended Optional
msgDataElement .msgIdType Recommended Optional
msgDataElement .msgCatalogId Recommended Optional
msgDataElement .msgCatalogTokens Recommended Optional
msgDataElement .msgCatalog Recommended Optional
msgDataElement .msgCatalogType Recommended Optional
msgDataElement .msgLocale Recommended Optional
extensionName Recommended Optional
localInstanceId Optional Optional
globalInstanceId Optional Optional
priority Discouraged Optional
repeatCount Optional Optional
elapsedTime Optional Optional
sequenceNumber Optional Optional
reporterComponentId* Optional Optional
reporterComponentId.location Required (2) Required (2)
reporterComponentId.locationType Required (2) Required (2)
reporterComponentId.component Required (2) Required (2)
reporterComponentId.subComponent Required (2) Required (2)
reporterComponentId.componentIdType Required (2) Required (2)
reporterComponentId.componentType Required (2) Required (2)
reporterComponentId.instanceId Optional Optional
reporterComponentId.processId Optional Optional
reporterComponentId.threadId Optional Optional
reporterComponentId.application Optional Optional
reporterComponentId.executionEnvironment Optional Optional
extendedDataElements* Note 3 Optional
contextDataElements* Note 4 Optional
associatedEvents* Note 5 Optional

Notes:




Sub-topics


Common header information

Component identification for source and reporter

Situation information

Message data

Extended data

 

Related tasks


Logging Common Base Events in WAS

 

Reference topic