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Construct Java Expression Language (EL) policy expressions

Before you begin

Create policies for a diagnostic system module

To construct a Java EL policy expression:

  1. If you have not already done so, in the Change Center of the Administration Console, click Lock & Edit (see Use the Change Center).
  2. In the left pane, expand Diagnostics and select Diagnostic Modules.
  3. In the Diagnostic System Modules table, select the diagnostic system module containing the policy you want to edit.
  4. Select the Policies and Actions > Policies page.
  5. In the Policies table, select the name of the policy for which you want to edit the policy expression.
  6. Select the Rule Expressions page.
  7. In the Policy Expression field, type or paste the EL policy expression.

    For more information on constructing policy expressions using EL, see "Java Expression Language Support" in Configuring and Using the Diagnostics Framework for Oracle WebLogic Server and the specification (JSR-000341 Expression Language 3.0) at

  8. Click Save.
  9. In the Change Center, click Activate Changes.

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