Java stack information for the threads listed above:
===================================================
"Loading job gasp-server-on-shared-slave":
	at java.lang.Class.initAnnotationsIfNecessary(Class.java:3175)
	- waiting to lock <0x000000078a94ba88> (a java.lang.Class for hudson.model.AbstractProject)
	at java.lang.Class.getAnnotation(Class.java:3137)
	at com.thoughtworks.xstream.mapper.AnnotationMapper$UnprocessedTypesSet.add(AnnotationMapper.java:625)
	at com.thoughtworks.xstream.mapper.AnnotationMapper$UnprocessedTypesSet.add(AnnotationMapper.java:610)
	at com.thoughtworks.xstream.mapper.AnnotationMapper$1.add(AnnotationMapper.java:250)
	at com.thoughtworks.xstream.mapper.AnnotationMapper$1.add(AnnotationMapper.java:245)
	at com.thoughtworks.xstream.mapper.AnnotationMapper.addParametrizedTypes(AnnotationMapper.java:279)
	at com.thoughtworks.xstream.mapper.AnnotationMapper.processTypes(AnnotationMapper.java:204)
	- locked <0x000000078a94f260> (a java.lang.Class for hudson.model.AbstractBuild)
	at com.thoughtworks.xstream.mapper.AnnotationMapper.processAnnotations(AnnotationMapper.java:182)
	at com.thoughtworks.xstream.mapper.AnnotationMapper.defaultImplementationOf(AnnotationMapper.java:141)
	at com.thoughtworks.xstream.mapper.MapperWrapper.defaultImplementationOf(MapperWrapper.java:46)
	at hudson.util.xstream.MapperDelegate.defaultImplementationOf(MapperDelegate.java:59)
	at com.thoughtworks.xstream.mapper.MapperWrapper.defaultImplementationOf(MapperWrapper.java:46)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:54)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
	at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1189)
	at hudson.util.XStream2.unmarshal(XStream2.java:113)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1173)
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1053)
	at hudson.XmlFile.read(XmlFile.java:142)
	at hudson.model.Items.load(Items.java:275)
	at jenkins.model.Jenkins$18.run(Jenkins.java:2588)
	at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
	at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
	at jenkins.model.Jenkins$7.runTask(Jenkins.java:899)
	at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
	at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)
"Loading job backup-daily-shared-slave":
	at java.lang.Class.initAnnotationsIfNecessary(Class.java:3175)
	- waiting to lock <0x000000078a94f260> (a java.lang.Class for hudson.model.AbstractBuild)
	at java.lang.Class.getAnnotation(Class.java:3137)
	at com.thoughtworks.xstream.mapper.AnnotationMapper$UnprocessedTypesSet.add(AnnotationMapper.java:625)
	at com.thoughtworks.xstream.mapper.AnnotationMapper$UnprocessedTypesSet.add(AnnotationMapper.java:610)
	at com.thoughtworks.xstream.mapper.AnnotationMapper$1.add(AnnotationMapper.java:250)
	at com.thoughtworks.xstream.mapper.AnnotationMapper$1.add(AnnotationMapper.java:245)
	at com.thoughtworks.xstream.mapper.AnnotationMapper.addParametrizedTypes(AnnotationMapper.java:279)
	at com.thoughtworks.xstream.mapper.AnnotationMapper.processTypes(AnnotationMapper.java:204)
	- locked <0x000000078a94ba88> (a java.lang.Class for hudson.model.AbstractProject)
	at com.thoughtworks.xstream.mapper.AnnotationMapper.processAnnotations(AnnotationMapper.java:182)
	at com.thoughtworks.xstream.mapper.AnnotationMapper.defaultImplementationOf(AnnotationMapper.java:141)
	at com.thoughtworks.xstream.mapper.MapperWrapper.defaultImplementationOf(MapperWrapper.java:46)
	at hudson.util.xstream.MapperDelegate.defaultImplementationOf(MapperDelegate.java:59)
	at com.thoughtworks.xstream.mapper.MapperWrapper.defaultImplementationOf(MapperWrapper.java:46)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:54)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
	at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1189)
	at hudson.util.XStream2.unmarshal(XStream2.java:113)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1173)
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1053)
	at hudson.XmlFile.read(XmlFile.java:142)
	at hudson.model.Items.load(Items.java:275)
	at jenkins.model.Jenkins$18.run(Jenkins.java:2588)
	at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
	at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
	at jenkins.model.Jenkins$7.runTask(Jenkins.java:899)
	at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
	at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)