[jira] [Created] (KARAF-6089) Deadlock with FeatureDeploymentListener

["Grzegorz Grzybek (JIRA)" <ji...@apache.org>]

Grzegorz Grzybek created KARAF-6089:
---------------------------------------

             Summary: Deadlock with FeatureDeploymentListener
                 Key: KARAF-6089
                 URL: https://issues.apache.org/jira/browse/KARAF-6089
             Project: Karaf
          Issue Type: Dependency upgrade
          Components: karaf
    Affects Versions: 4.2.2
            Reporter: Grzegorz Grzybek
            Assignee: Grzegorz Grzybek
             Fix For: 4.2.3


When I have feature files inside {{deploy/}} dir (which is bad practice, I know), I see deadlock between:
{noformat}
"FelixStartLevel" #21 daemon prio=5 os_prio=0 tid=0x00007f56dd2ac000 nid=0x7e69 waiting on condition [0x00007f5685bbc000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000e3044b98> (a java.util.concurrent.FutureTask)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
	at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:429)
	at java.util.concurrent.FutureTask.get(FutureTask.java:191)
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvisionInThread(FeaturesServiceImpl.java:966)
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.updateReposAndRequirements(FeaturesServiceImpl.java:912)
	at org.apache.karaf.deployer.features.FeatureDeploymentListener.bundleChanged(FeatureDeploymentListener.java:251)
	- locked <0x00000000e3044ce0> (a org.apache.karaf.deployer.features.FeatureDeploymentListener)
	at org.apache.karaf.deployer.features.FeatureDeploymentListener.init(FeatureDeploymentListener.java:95)
	at org.apache.karaf.deployer.features.osgi.Activator.doStart(Activator.java:52)
	at org.apache.karaf.util.tracker.BaseActivator.start(BaseActivator.java:89)
	at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:697)
	at org.apache.felix.framework.Felix.activateBundle(Felix.java:2240)
	at org.apache.felix.framework.Felix.startBundle(Felix.java:2146)
	at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1373)
	at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308)
	at java.lang.Thread.run(Thread.java:748)
{noformat}

and
{noformat}
"features-3-thread-1" #55 prio=5 os_prio=0 tid=0x00007f5648486800 nid=0x7e99 in Object.wait() [0x00007f55f2bf6000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java:502)
	at org.apache.felix.framework.Felix.acquireBundleLock(Felix.java:5293)
	- locked <0x00000000e08b42f8> (a [Ljava.lang.Object;)
	at org.apache.felix.framework.Felix.startBundle(Felix.java:1948)
	at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998)
	at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:984)
	at org.apache.karaf.features.internal.service.BundleInstallSupportImpl.startBundle(BundleInstallSupportImpl.java:161)
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:1116)
	at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:997)
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1025)
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$13(FeaturesServiceImpl.java:964)
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl$$Lambda$97/1752701.call(Unknown Source)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
{noformat}




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