Hi,
I encountered this deadlock issue. We deploy actors in the karaf OSGi container, and when profiling it with Yourkit, I see many frozen threads that look like below. If these dispatcher threads are frozen, actors will have much less chances to run or get stalled, I guess. BEM-akka.actor.default-dispatcher-3 <--- Frozen for at least 4d 20h 58m 20 sec java.lang.ClassLoader.loadClass(String) ClassLoader.java org.apache.log4j.helpers.Loader.loadClass(String) Loader.java:185 org.apache.log4j.helpers.OptionConverter.instantiateByClassName(String, Class, Object) OptionConverter.java:326 org.apache.log4j.helpers.OptionConverter.instantiateByKey(Properties, String, Class, Object) OptionConverter.java:123 org.apache.log4j.PaxLoggingConfigurator.parseAppender(Properties, String) PaxLoggingConfigurator.java:97 org.apache.log4j.PropertyConfigurator.parseCategory(Properties, Logger, String, String, String) PropertyConfigurator.java:735 org.apache.log4j.PropertyConfigurator.configureRootCategory(Properties, LoggerRepository) PropertyConfigurator.java:615 org.apache.log4j.PropertyConfigurator.doConfigure(Properties, LoggerRepository) PropertyConfigurator.java:502 org.apache.log4j.PaxLoggingConfigurator.doConfigure(Properties, LoggerRepository) PaxLoggingConfigurator.java:72 org.ops4j.pax.logging.service.internal.PaxLoggingServiceImpl.configureDefaults() PaxLoggingServiceImpl.java:299 org.ops4j.pax.logging.service.internal.PaxLoggingServiceImpl.updated(Dictionary) PaxLoggingServiceImpl.java:194 org.ops4j.pax.logging.service.internal.PaxLoggingServiceImpl$1ManagedPaxLoggingService.updated(Dictionary) PaxLoggingServiceImpl.java:362 org.apache.felix.cm.impl.helper.ManagedServiceTracker.updateService(ServiceReference, TargetedPID, Dictionary, long, ConfigurationMap) ManagedServiceTracker.java:148 org.apache.felix.cm.impl.helper.ManagedServiceTracker.provideConfiguration(ServiceReference, TargetedPID, TargetedPID, Dictionary, long, ConfigurationMap) ManagedServiceTracker.java:81 org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.provide(String, ConfigurationImpl) ConfigurationManager.java:1436 org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.run() ConfigurationManager.java:1392 org.apache.felix.cm.impl.UpdateThread.run() UpdateThread.java:103 java.lang.Thread.run() Thread.java:744 -- >>>>>>>>>> Read the docs: http://akka.io/docs/ >>>>>>>>>> Check the FAQ: >>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups "Akka User List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
