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https://issues.apache.org/jira/browse/CAMEL-10460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen resolved CAMEL-10460.
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Resolution: Fixed
Assignee: Claus Ibsen
Thanks
> MetricsMessageHistoryFactory.java:138 Generate a NPE
> ----------------------------------------------------
>
> Key: CAMEL-10460
> URL: https://issues.apache.org/jira/browse/CAMEL-10460
> Project: Camel
> Issue Type: Bug
> Components: camel-metrics
> Affects Versions: 2.18.0
> Environment: MacOs, JDK 1.8, SpringBoot 1.4.1, Spring Metrics
> Reporter: Philippe Godot
> Assignee: Claus Ibsen
> Fix For: 2.18.1, 2.19.0
>
> Attachments: __CAMEL_10460_2.patch
>
>
> I'm trying to play with Spring-boot camel and metrics to expose dashboard.
> Hawtio is a great tools to check what it's going on at runtime but no
> persistence is done. We would like to persist statistics in prometheus by
> example.
> I configure camel context with MetricsMessageHistoryFactory as:
> MetricsMessageHistoryFactory metricsMessageHistoryFactory = new
> MetricsMessageHistoryFactory();
> metricsMessageHistoryFactory.setMetricsRegistry(metricRegistry);
> camelContext.setMessageHistoryFactory(metricsMessageHistoryFactory);
> where metricRegistry is injected with:
> /**
> * Srping Boot metrics
> */
> @Autowired
> private MetricRegistry metricRegistry;
> Everything is ok until I passed in OnExceptionRoute. It seems that the
> routeId is set to Null in this case and generate a NPE (line
> MetricsMessageHistoryFactory:138) in the exception route. Route causing the
> NPE:
> onException(NoAttachmentToProcessException.class)
> .routeId(RouteIds.TECHNICAL_ERROR_HANDLING.routeId())
> .log(LoggingLevel.ERROR,"TECHNICAL ERROR:
> ${exchangeProperty.CamelExceptionCaught}")
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