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Bug
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Resolution: Done
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Major
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18.0.0.Final
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None
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- Define own application based metrics
- Deploy the app in wildfly 18
- Create load, so that the metrics are updated based on the load
- Run prometheus scraping the metrics from the wildfly management port.
Hi I ran our integrations tests together with prometheus calls. In Wildfly 18, I get this errors constantly:
2019-10-18 14:22:57,284 ERROR [io.undertow.request] (management I/O-2) UT005071: Undertow request failed HttpServerExchange{ GET /metrics}: java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1445)
at java.util.HashMap$EntryIterator.next(HashMap.java:1479)
at java.util.HashMap$EntryIterator.next(HashMap.java:1477)
at java.util.HashMap.putMapEntries(HashMap.java:512)
at java.util.HashMap.<init>(HashMap.java:490)
at io.smallrye.metrics.MetricsRegistryImpl.getMetadata(MetricsRegistryImpl.java:560)
at io.smallrye.metrics.exporters.OpenMetricsExporter.exposeEntries(OpenMetricsExporter.java:157)
at io.smallrye.metrics.exporters.OpenMetricsExporter.getEntriesForScope(OpenMetricsExporter.java:150)
at io.smallrye.metrics.exporters.OpenMetricsExporter.exportAllScopes(OpenMetricsExporter.java:101)
at io.smallrye.metrics.MetricsRequestHandler.handleRequest(MetricsRequestHandler.java:116)
at io.smallrye.metrics.MetricsRequestHandler.handleRequest(MetricsRequestHandler.java:73)
at org.wildfly.extension.microprofile.metrics.MetricsContextService$1.handleRequest(MetricsContextService.java:81)
at org.jboss.as.domain.http.server.security.RealmReadinessHandler.handleRequest(RealmReadinessHandler.java:51)
at org.jboss.as.domain.http.server.security.ServerErrorReadinessHandler.handleRequest(ServerErrorReadinessHandler.java:35)
at io.undertow.server.handlers.PathHandler.handleRequest(PathHandler.java:91)
at io.undertow.server.handlers.ChannelUpgradeHandler.handleRequest(ChannelUpgradeHandler.java:211)
at io.undertow.server.handlers.cache.CacheHandler.handleRequest(CacheHandler.java:92)
at io.undertow.server.handlers.error.SimpleErrorPageHandler.handleRequest(SimpleErrorPageHandler.java:78)
at io.undertow.server.handlers.CanonicalPathHandler.handleRequest(CanonicalPathHandler.java:49)
at org.jboss.as.domain.http.server.ManagementHttpRequestHandler.handleRequest(ManagementHttpRequestHandler.java:57)
at org.jboss.as.domain.http.server.cors.CorsHttpHandler.handleRequest(CorsHttpHandler.java:75)
at org.jboss.as.domain.http.server.ManagementHttpServer$UpgradeFixHandler.handleRequest(ManagementHttpServer.java:666)
at io.undertow.server.Connectors.executeRootHandler(Connectors.java:376)
at io.undertow.server.protocol.http.HttpReadListener.handleEventWithNoRunningRequest(HttpReadListener.java:255)
at io.undertow.server.protocol.http.HttpReadListener.handleEvent(HttpReadListener.java:136)
at io.undertow.server.protocol.http.HttpReadListener.handleEvent(HttpReadListener.java:59)
at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
at org.xnio.nio.WorkerThread.run(WorkerThread.java:591)
- is incorporated by
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WFLY-13022 Upgrade MicroProfile Metrics 2.3
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- Closed
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