7344: Unhandled exception in rule evaluation

[guruhb]

With JFR generated from JDK17-ea "usedSize" event was missing (i.e not generated) due to this the used aggregator was null.

---

Progress

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Issue

• JMC-7344: Unhandled exception in rule evaluation

Reviewers

• Marcus Hirt (@thegreystone - Reviewer)

Reviewing

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Webrevs

• 00: Full (85e9c1eb)

[openjdk]

@guruhb This change now passes all automated pre-integration checks.

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7344: Unhandled exception in rule evaluation

Reviewed-by: hirt

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[guruhb]

/integrate

[openjdk]

Going to push as commit b0b037a.

[openjdk]

@guruhb Pushed as commit b0b037a.

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