Deadlock on HstManagerImpl.getVirtualHosts

Found one Java-level deadlock:
=============================
"catalina-exec-889":
waiting to lock monitor 0xd2d34a38 (object 0xdeb3c358, a org.hippoecm.hst.configuration.channel.ChannelManagerImpl),
which is held by "catalina-exec-630"
"catalina-exec-630":
waiting to lock monitor 0x0b0fc408 (object 0xdeb26828, a org.hippoecm.hst.configuration.model.HstManagerImpl),
which is held by "catalina-exec-632"
"catalina-exec-632":
waiting to lock monitor 0xd2d34a38 (object 0xdeb3c358, a org.hippoecm.hst.configuration.channel.ChannelManagerImpl),
which is held by "catalina-exec-630"

Java stack information for the threads listed above:
===================================================
"catalina-exec-889":
at org.hippoecm.hst.configuration.channel.ChannelManagerImpl.getBlueprints(ChannelManagerImpl.java)

• waiting to lock <0xdeb3c358> (a org.hippoecm.hst.configuration.channel.ChannelManagerImpl)
  at org.onehippo.cms7.channelmanager.channels.BlueprintStore.getBlueprints(BlueprintStore.java:96)
  at org.onehippo.cms7.channelmanager.channels.BlueprintStore.getTotal(BlueprintStore.java:51)
  at org.onehippo.cms7.channelmanager.channels.BlueprintStore.isEmpty(BlueprintStore.java:57)
  at org.onehippo.cms7.channelmanager.RootPanel.<init>(RootPanel.java:100)
  at org.onehippo.cms7.channelmanager.ChannelManagerPerspective.<init>(ChannelManagerPerspective.java:54)
  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
  at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
  at java.lang.reflect.Constructor.newInstance(Unknown Source)
  at org.hippoecm.frontend.plugin.impl.PluginFactory.createPlugin(PluginFactory.java:72)
  at org.hippoecm.frontend.plugin.impl.PluginManager.start(PluginManager.java:87)
  at org.hippoecm.frontend.plugin.impl.PluginContext.start(PluginContext.java:320)
  at org.hippoecm.frontend.plugin.impl.ClusterControl.start(ClusterControl.java:118)
  at org.hippoecm.frontend.PluginPage.<init>(PluginPage.java:117)
  at org.hippoecm.frontend.PluginPage.<init>(PluginPage.java:70)
  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
  at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
  at java.lang.reflect.Constructor.newInstance(Unknown Source)
  at org.apache.wicket.session.DefaultPageFactory.createPage(DefaultPageFactory.java:192)
  at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:57)
  at org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.newPage(BookmarkablePageRequestTarget.java:298)
  at org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.getPage(BookmarkablePageRequestTarget.java:320)
  at org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.processEvents(BookmarkablePageRequestTarget.java:234)
  at org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
  at org.hippoecm.frontend.PluginRequestCycleProcessor.processEvents(PluginRequestCycleProcessor.java:95)
  at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1252)
  at org.apache.wicket.RequestCycle.step(RequestCycle.java:1331)
  at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1438)
  at org.apache.wicket.RequestCycle.request(RequestCycle.java:546)
  at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:486)
  at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:319)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.hippoecm.frontend.plugins.login.ConcurrentLoginFilter.doFilter(ConcurrentLoginFilter.java:54)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.hippoecm.frontend.ResourceRewriteFilter.doFilter(ResourceRewriteFilter.java:129)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
  at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:396)
  at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
  at java.lang.Thread.run(Unknown Source)
  "catalina-exec-630":
  at org.hippoecm.hst.configuration.model.HstManagerImpl.getVirtualHosts(HstManagerImpl.java:234)
• waiting to lock <0xdeb26828> (a org.hippoecm.hst.configuration.model.HstManagerImpl)
  at org.hippoecm.hst.configuration.channel.ChannelManagerImpl.load(ChannelManagerImpl.java:228)
  at org.hippoecm.hst.configuration.channel.ChannelManagerImpl.getChannels(ChannelManagerImpl.java:347)
• locked <0xdeb3c358> (a org.hippoecm.hst.configuration.channel.ChannelManagerImpl)
  at org.onehippo.cms7.channelmanager.channels.ChannelStore.getChannels(ChannelStore.java:319)
  at org.onehippo.cms7.channelmanager.channels.ChannelStore.getTotal(ChannelStore.java:134)
  at org.wicketstuff.js.ext.data.ExtJsonStore.readRecords(ExtJsonStore.java:70)
  at org.wicketstuff.js.ext.data.ExtJsonStore.access$3(ExtJsonStore.java:69)
  at org.wicketstuff.js.ext.data.ExtJsonStore$1.onRequest(ExtJsonStore.java:58)
  at org.apache.wicket.request.target.component.listener.BehaviorRequestTarget.processEvents(BehaviorRequestTarget.java:157)
  at org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
  at org.hippoecm.frontend.PluginRequestCycleProcessor.processEvents(PluginRequestCycleProcessor.java:95)
  at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1252)
  at org.apache.wicket.RequestCycle.step(RequestCycle.java:1331)
  at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1438)
  at org.apache.wicket.RequestCycle.request(RequestCycle.java:546)
  at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:486)
  at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:319)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.hippoecm.frontend.plugins.login.ConcurrentLoginFilter.doFilter(ConcurrentLoginFilter.java:54)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.hippoecm.frontend.ResourceRewriteFilter.doFilter(ResourceRewriteFilter.java:129)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
  at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:396)
  at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
  at java.lang.Thread.run(Unknown Source)
  "catalina-exec-632":
  at org.hippoecm.hst.configuration.channel.ChannelManagerImpl.load(ChannelManagerImpl.java)
• waiting to lock <0xdeb3c358> (a org.hippoecm.hst.configuration.channel.ChannelManagerImpl)
  at org.hippoecm.hst.configuration.model.HstManagerImpl.getVirtualHosts(HstManagerImpl.java:236)
• locked <0xdeb26828> (a org.hippoecm.hst.configuration.model.HstManagerImpl)
  at org.hippoecm.hst.container.HstFilter.doFilter(HstFilter.java:263)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.hippoecm.hst.container.XSSUrlFilter.doFilter(XSSUrlFilter.java:49)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
  at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:470)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
  at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:396)
  at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
  at java.lang.Thread.run(Unknown Source)

Found 1 deadlock.