Issue
-
I cannot connect to Client controller(s) and I am redirected to a blank page at
$JENKINS_URL/securityRealm/finishLogin?code=xxxxxxx -
Operations Center logs show WARNINGS:
2016-02-08 15:53:51.116+0000 [id=175] WARNING c.c.o.s.m.h.MasterHealthCheckConditionSource$MasterHealthCheckCondition#getFailingChecks: Error getting master health checks from "my-controller" java.util.concurrent.ExecutionException: java.lang.NoSuchMethodError: jenkins.metrics.api.Metrics$HealthChecker.getHealthCheckResults()Ljava/util/Map; at com.google.common.util.concurrent.AbstractFuture$Sync.getValue(AbstractFuture.java:289) at com.google.common.util.concurrent.AbstractFuture$Sync.get(AbstractFuture.java:276) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:111) at com.google.common.util.concurrent.Futures$ChainingListenableFuture.get(Futures.java:635) at com.cloudbees.opscenter.server.metrics.RemoteDataSnapshot.getSnapshot(RemoteDataSnapshot.java:98) at com.cloudbees.opscenter.server.metrics.health.MasterHealthCheckConditionSource$MasterHealthCheckCondition.getFailingChecks(MasterHealthCheckConditionSource.java:153) at com.cloudbees.opscenter.server.metrics.health.MasterHealthCheckConditionSource$MasterHealthCheckCondition.isActive(MasterHealthCheckConditionSource.java:102) at com.cloudbees.jenkins.plugin.metrics.views.Alerter$Condition.checkState(Alerter.java:650) at com.cloudbees.jenkins.plugin.metrics.views.Alerter$PeriodicWorkImpl.execute(Alerter.java:977) at hudson.model.AsyncPeriodicWork$1.run(AsyncPeriodicWork.java:53) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NoSuchMethodError: jenkins.metrics.api.Metrics$HealthChecker.getHealthCheckResults()Ljava/util/Map;
Resolution
There was a breaking API change in metrics 3.1.2.3 that breaks communication between CJOC and CM, preventing attachment or SSO to work. The issue has been fixed in Metrics 3.1.2.4.
To fix this, upgrade the Metrics Plugin to version 3.1.2.4 or later.
| Operations Center Monitoring Plugin 1.8.3 has been released to depend on the fixed version 3.1.2.5 of the Metrics Plugin |
This article is part of our Knowledge Base and is provided for guidance-based purposes only. The solutions or workarounds described here are not officially supported by CloudBees and may not be applicable in all environments. Use at your own discretion, and test changes in a safe environment before applying them to production systems.