PluginGenerator: BundleContext is no longer valid

[volosied]

Rare timing issue that occurs when a bundle is uninstalled, but plugin generator is still running.

Exception = java.lang.IllegalStateException
Source = com.ibm.ws.webcontainer.osgi.mbeans.PluginGenerator
probeid = generateXML
Stack Dump = java.lang.IllegalStateException: BundleContext is no longer valid
    at org.eclipse.osgi.internal.framework.BundleContextImpl.checkValid(BundleContextImpl.java:1055)
    at org.eclipse.osgi.internal.framework.BundleContextImpl.getAllServiceReferences(BundleContextImpl.java:598)
    at com.ibm.ws.webcontainer.osgi.mbeans.PluginGenerator$HttpEndpointInfo.getService(PluginGenerator.java:2357)
    at com.ibm.ws.webcontainer.osgi.mbeans.PluginGenerator$HttpEndpointInfo.<init>(PluginGenerator.java:2282)
    at com.ibm.ws.webcontainer.osgi.mbeans.PluginGenerator.generateXML(PluginGenerator.java:367)
    at com.ibm.ws.webcontainer.osgi.mbeans.GeneratePluginConfigMBean.generatePluginConfig(GeneratePluginConfigMBean.java:160)