Valentin Valchev created FELIX-4012:
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Summary: Sometimes the UPnP plugin fails to start due to device
being removed from network
Key: FELIX-4012
URL: https://issues.apache.org/jira/browse/FELIX-4012
Project: Felix
Issue Type: Bug
Components: Web Console
Affects Versions: webconsole-upnp-plugin-1.0.2
Reporter: Valentin Valchev
Assignee: Valentin Valchev
Fix For: webconsole-upnp-plugin-1.0.4
Since OSGi r4.3 it he methdod UPnPDevice.getIcons() may throw
IllegalStateException if you keep reference to device that has been removed
from the network.
During startup the ServiceTracker will notify the plugin for all previously
registered UPnP devices. While processing them, a device can be removed and the
reference becomes obsolete. Then the getIcons() method will throw exception
which is not caught and will cause the BundleActivator.start() to fail. So the
bundle stays in resolved state.
Here is stack trace of the problem:
<code>
java.lang.IllegalStateException: The UPnP Device was removed from the network.
Device UDN: uuid:e516cbe4-35fd-4cf9-a862-886969e13050
at
com.prosyst.mbs.impl.services.upnp.cp.api.UPnPDeviceImpl.checkState(UPnPDeviceImpl.java:477)
at
com.prosyst.mbs.impl.services.upnp.cp.api.UPnPDeviceImpl.getIcons(UPnPDeviceImpl.java:316)
at
org.apache.felix.webconsole.plugins.upnp.internal.ControlServlet.addingService(ControlServlet.java:543)
at
org.apache.felix.webconsole.plugins.upnp.internal.Activator.addingService(Activator.java:88)
at
org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:909)
at
org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:261)
at
org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:184)
at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:349)
at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:283)
at
org.apache.felix.webconsole.plugins.upnp.internal.Activator.start(Activator.java:48)
</code>
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