In a message flow, use the log action to construct a message to be logged and to define a set of attributes with which it will be logged.
In the Message Flow Editor, click a log action to display its properties in the Properties view. Use these properties pages to configure the selected log action. The pages are:
The Log page has the following options:
Option
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Description
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Expression
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The message context to be logged through XQuery expressions on context variables.
To create or edit an expression, click <Expression> (or the expression_fragment, if one is already defined) to display the
XQuery/XSLT Expression Editor.
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Annotation
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Notes for this log action. These notes are logged along with the result of the previously defined expression.
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Severity
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The severity of the log message. Options are:
Debug - While your application is under development, you might find it useful to create and use messages that provide verbose descriptions of low-level activity within the application.
Info -Used for reporting normal operations; a low-level informational message.
Warning - A suspicious operation or configuration has occurred but it might not affect normal operation.
Error - A user error has occurred. The system or application can handle the error with no interruption and limited degradation of service.
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Use the Comment page to add a comment, if desired:
Use the Namespaces page to see a list of defined namespaces or to create a new one.
Use the Variables page to see a list of defined context variables or to create a new one. For more information about context variables, see Message Context in the AquaLogic Service Bus User Guide.