Sporadic Solr mbean registration failure

2022-03-29 14:46:40,769 [main] INFO  o.x.s.s.i.EmbeddedSolr         - Starting embedded Solr server... 
2022-03-29 14:46:40,770 [main] INFO  o.x.s.s.i.EmbeddedSolr         - Using Solr home directory: [/Users/vmassol/dev/xwiki/versions/xwiki-platform-distribution-flavor-jetty-hsqldb-14.2/data/store/solr] 
2022-03-29 14:46:43,321 [main] WARN  o.e.j.u.s.S.config             - Trusting all certificates configured for Client@30628ef9[provider=null,keyStore=null,trustStore=null] 
2022-03-29 14:46:43,322 [main] WARN  o.e.j.u.s.S.config             - No Client EndPointIdentificationAlgorithm configured for Client@30628ef9[provider=null,keyStore=null,trustStore=null] 
2022-03-29 14:46:43,540 [main] WARN  o.e.j.u.s.S.config             - Trusting all certificates configured for Client@5d9ac1ff[provider=null,keyStore=null,trustStore=null] 
2022-03-29 14:46:43,540 [main] WARN  o.e.j.u.s.S.config             - No Client EndPointIdentificationAlgorithm configured for Client@5d9ac1ff[provider=null,keyStore=null,trustStore=null] 
2022-03-29 14:46:43,717 [main] WARN  o.a.s.c.CoreContainer          - Not all security plugins configured!  authentication=disabled authorization=disabled.  Solr is only as secure as you make it. Consider configuring authentication/authorization before exposing Solr to users internal or external.  See https://s.apache.org/solrsecurity for more info 
2022-03-29 14:46:46,854 [main] INFO  o.x.s.s.i.EmbeddedSolr         - Started embedded Solr server. 
2022-03-29 14:46:54,090 [searcherExecutor-333-thread-1-processing-x:extension_index] WARN  o.a.s.m.r.j.JmxMetricsReporter - Unable to register gauge 
javax.management.InstanceNotFoundException: solr:dom1=core,dom2=extension_index,category=SEARCHER,scope=searcher,name=warmupTime
	at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1083)
	at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:423)
	at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:411)
	at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:546)
	at org.apache.solr.metrics.reporters.jmx.JmxMetricsReporter$JmxListener.registerMBean(JmxMetricsReporter.java:534)
	at org.apache.solr.metrics.reporters.jmx.JmxMetricsReporter$JmxListener.onGaugeAdded(JmxMetricsReporter.java:576)
	at com.codahale.metrics.MetricRegistry.notifyListenerOfAddedMetric(MetricRegistry.java:527)
	at com.codahale.metrics.MetricRegistry.onMetricAdded(MetricRegistry.java:521)
	at com.codahale.metrics.MetricRegistry.register(MetricRegistry.java:154)
	at org.apache.solr.metrics.SolrMetricManager.registerMetric(SolrMetricManager.java:741)
	at org.apache.solr.metrics.SolrMetricManager.registerGauge(SolrMetricManager.java:779)
	at org.apache.solr.metrics.SolrMetricsContext.gauge(SolrMetricsContext.java:119)
	at org.apache.solr.search.SolrIndexSearcher.initializeMetrics(SolrIndexSearcher.java:2279)
	at org.apache.solr.search.SolrIndexSearcher.register(SolrIndexSearcher.java:450)
	at org.apache.solr.core.SolrCore.registerSearcher(SolrCore.java:2585)
	at org.apache.solr.core.SolrCore.lambda$getSearcher$19(SolrCore.java:2449)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)
2022-03-29 14:46:56,798 [main] INFO  o.x.s.f.i.FilesystemStoreTools - Using filesystem store directory [/Users/vmassol/dev/xwiki/versions/xwiki-platform-distribution-flavor-jetty-hsqldb-14.2/data/store/file] 
2022-03-29 14:46:57.031:INFO :oxtjl.NotifyListener:main: ----------------------------------
2022-03-29 14:46:57.031:INFO :oxtjl.NotifyListener:main: Server started, you can now open http://vincents-mbp:8080/ in your browser to access your wiki.
2022-03-29 14:46:57.031:INFO :oxtjl.NotifyListener:main: ----------------------------------