Ivo Leitão created SLING-5827:
---------------------------------
Summary: HeltthCheckMetadata ClassCast Exception
Key: SLING-5827
URL: https://issues.apache.org/jira/browse/SLING-5827
Project: Sling
Issue Type: Bug
Components: Health Check
Affects Versions: Health Check Core 1.2.4
Reporter: Ivo Leitão
Priority: Critical
I'm getting a classcastexception in the healthcheck component. This is
happenning only for my components (don't know why :-S).
I have looked at the source code and in my case at the AsyncHelthCheckExecutor
the code passes the lines bellow
ServiceReference serviceReference = event.getServiceReference();
final boolean isHealthCheck =
serviceReference.isAssignableTo(bundleContext.getBundle(),
HealthCheck.class.getName());
if (isHealthCheck) {
// True at my case
}
Later in the method getHealthCheckTitle of the class HealthCheckMetadata at the
line bellow:
if (StringUtils.isBlank(name)) {
name = (String) ref.getProperty(Constants.SERVICE_PID);
}
ref.getProperty(Constants.SERVICE_PID) is returning an ArrayList and I have the
stacktrace bellow as a result
java.lang.ClassCastException: java.util.ArrayList cannot be cast to
java.lang.String
at
org.apache.sling.hc.util.HealthCheckMetadata.getHealthCheckTitle(HealthCheckMetadata.java:146)
at
org.apache.sling.hc.util.HealthCheckMetadata.<init>(HealthCheckMetadata.java:53)
at
org.apache.sling.hc.core.impl.executor.AsyncHealthCheckExecutor.serviceChanged(AsyncHealthCheckExecutor.java:114)
at
org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:991)
at
org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:839)
at
org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:546)
at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4557)
at org.apache.felix.framework.Felix.registerService(Felix.java:3549)
at
org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348)
at
org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:869)
at
org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:857)
at
org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133)
at
org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:915)
at
org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:715)
at
org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:399)
at
org.apache.felix.scr.impl.config.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:676)
at
org.apache.felix.scr.impl.BundleComponentActivator.initialEnable(BundleComponentActivator.java:339)
at
org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:360)
at org.apache.felix.scr.impl.Activator.access$000(Activator.java:53)
at
org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:260)
at
org.apache.felix.utils.extender.AbstractExtender.createExtension(AbstractExtender.java:259)
at
org.apache.felix.utils.extender.AbstractExtender.modifiedBundle(AbstractExtender.java:232)
at
org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:482)
at
org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:415)
at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:232)
at
org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:444)
at
org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:916)
at
org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:835)
at
org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:517)
at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4541)
at org.apache.felix.framework.Felix.startBundle(Felix.java:2172)
at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998)
at aQute.launcher.Launcher.update(Launcher.java:482)
at aQute.launcher.Launcher.activate(Launcher.java:381)
at aQute.launcher.Launcher.run(Launcher.java:275)
at aQute.launcher.Launcher.main(Launcher.java:132)
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