The quartz triggered route is running fine for some time and then it encountered following exception:

org.apache.camel.ResolveEndpointFailedException: Failed to resolve endpoint: quartz://testTimer/TimerOne?cron=0+0%2F1+*+%3F due to: A Quartz job already exists with the name/group: TimerOne/testTimer
at org.apache.camel.impl.DefaultCamelContext.getEndpoint(DefaultCamelContext.java:464)[108:org.apache.camel.camel-core:2.9.0.fuse-70-097]
at org.apache.camel.impl.DefaultCamelContext.getEndpoint(DefaultCamelContext.java:477)[108:org.apache.camel.camel-core:2.9.0.fuse-70-097]
at org.apache.camel.component.quartz.CamelJob.execute(CamelJob.java:50)[187:org.apache.camel.camel-quartz:2.9.0.fuse-70-097]
at org.quartz.core.JobRunShell.run(JobRunShell.java:216)[188:org.apache.servicemix.bundles.quartz:1.8.5.2]
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:549)[188:org.apache.servicemix.bundles.quartz:1.8.5.2]
Caused by: java.lang.IllegalArgumentException: A Quartz job already exists with the name/group: TimerOne/testTimer
at org.apache.camel.component.quartz.QuartzComponent.createEndpoint(QuartzComponent.java:127)[187:org.apache.camel.camel-quartz:2.9.0.fuse-70-097]
at org.apache.camel.component.quartz.QuartzComponent.createEndpoint(QuartzComponent.java:54)[187:org.apache.camel.camel-quartz:2.9.0.fuse-70-097]
at org.apache.camel.impl.DefaultComponent.createEndpoint(DefaultComponent.java:91)[108:org.apache.camel.camel-core:2.9.0.fuse-70-097]
at org.apache.camel.impl.DefaultCamelContext.getEndpoint(DefaultCamelContext.java:446)[108:org.apache.camel.camel-core:2.9.0.fuse-70-097]
... 4 more

It was due to this known JIRA: https://issues.apache.org/jira/browse/CAMEL-5994