From Mule ee 4.1.4 to 4.2.2
ERROR 2020-10-13 05:48:41,099 [[MuleRuntime].cpuLight.05: [pcl-data-convert-service].post:\v1\masterdata:application\json:pcl-data-convert-service-config.CPU_LITE @45774113] [event: 658be040-asfl-lkio-dhn8i-7865b9aghyji] org.mule.runtime.core.internal.exception.OnErrorPropagateHandler:
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Message : No value present.
Element : pcl-data-convert-service-main/source @ pcl-data-convert-service:pcl-data-convert-service.xml:7 (Listener-HTTPS)
Element XML : <http:listener config-ref="pcl-data-convert-service-httpListenerConfig" path="/api/*" doc:name="Listener-HTTPS">
<http:response statusCode="#[vars.httpStatus default 200]"></http:response>
<http:error-response statusCode="#[vars.httpStatus default 500]">
<http:body>#[payload]</http:body>
</http:error-response>
</http:listener>
Error type : MULE:SOURCE_RESPONSE_SEND
Payload Type : org.mule.extension.db.api.StatementResult
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Root Exception stack trace:
java.util.NoSuchElementException: No value present
at java.util.Optional.get(Optional.java:135)
at org.mule.runtime.core.internal.context.DefaultMuleContext.getDefaultErrorHandler(DefaultMuleContext.java:868)
at org.mule.runtime.core.privileged.client.MuleClientFlowConstruct.getExceptionListener(MuleClientFlowConstruct.java:60)
at org.mule.runtime.core.internal.event.DefaultEventContext.<init>(DefaultEventContext.java:159)
at org.mule.runtime.core.api.event.EventContextFactory.create(EventContextFactory.java:87)
at org.mule.runtime.core.api.event.EventContextFactory.create(EventContextFactory.java:46)
at (more) .....
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That seems to be a problem in one of the cumulative patches. Try with the latest cumulative patch applied. If in CloudHub try to update to the last release for your version.