Julian Sedding created SLING-6299:
-------------------------------------
Summary: SCD ClassCastException ServiceRegistration cannot be cast
to Comparable
Key: SLING-6299
URL: https://issues.apache.org/jira/browse/SLING-6299
Project: Sling
Issue Type: Bug
Components: Distribution
Affects Versions: Content Distribution Core 0.1.18
Reporter: Julian Sedding
Assignee: Julian Sedding
The following exception was observed:
{noformat}
java.lang.ClassCastException:
org.apache.felix.framework.ServiceRegistrationImpl cannot be cast to
java.lang.Comparable
at
java.util.concurrent.PriorityBlockingQueue.siftUpComparable(PriorityBlockingQueue.java:357)
at
java.util.concurrent.PriorityBlockingQueue.offer(PriorityBlockingQueue.java:489)
at
org.apache.sling.distribution.monitor.impl.MonitoringDistributionPackageBuilder.registerDistributionPackageMBean(MonitoringDistributionPackageBuilder.java:119)
at
org.apache.sling.distribution.monitor.impl.MonitoringDistributionPackageBuilder.createPackage(MonitoringDistributionPackageBuilder.java:65)
at
org.apache.sling.distribution.serialization.impl.vlt.VaultDistributionPackageBuilderFactory.createPackage(VaultDistributionPackageBuilderFactory.java:260)
at
org.apache.sling.distribution.packaging.impl.exporter.LocalDistributionPackageExporter.exportPackages(LocalDistributionPackageExporter.java:45)
at
org.apache.sling.distribution.agent.impl.SimpleDistributionAgent.exportPackages(SimpleDistributionAgent.java:214)
at
org.apache.sling.distribution.agent.impl.SimpleDistributionAgent.execute(SimpleDistributionAgent.java:182)
at
org.apache.sling.distribution.servlet.DistributionAgentServlet.doPost(DistributionAgentServlet.java:62)
at
org.apache.sling.api.servlets.SlingAllMethodsServlet.mayService(SlingAllMethodsServlet.java:149)
at
org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMethodsServlet.java:346)
{noformat}
This is due to a violation of the contract of {{PriorityBlockingQueue}}, which
expects {{Comparable}} objects OR a {{Comparator}}. {{ServiceRegistration}} is
not comparable.
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