This has happen a few times.

警告，以下的线程被死锁 ： Fingerprint cleanup thread, Handling GET /job/iOS_Private_Developing_Package/build from 10.222.69.1 : ajp-bio-9009-exec-3254 ParametersDefinitionProperty/index.jelly AbstractProject/sidepanel.jelly HistoryWidget/index.jelly, Handling GET /job/iOS_Private_Developing_Package/build from 10.222.69.154 : ajp-bio-9009-exec-3789 ParametersDefinitionProperty/index.jelly AbstractProject/sidepanel.jelly HistoryWidget/index.jelly

logs:

Handling GET /job/iOS_Private_Developing_Package/build from 10.222.69.1 : ajp-bio-9009-exec-3254 ParametersDefinitionProperty/index.jelly AbstractProject/sidepanel.jelly HistoryWidget/index.jelly
jenkins.model.lazy.AbstractLazyLoadRunMap.getByNumber(AbstractLazyLoadRunMap.java:369)
jenkins.model.lazy.LazyBuildMixIn.getBuildByNumber(LazyBuildMixIn.java:231)
hudson.model.AbstractProject.getBuildByNumber(AbstractProject.java:926)
hudson.model.AbstractProject.getBuildByNumber(AbstractProject.java:137)
hudson.model.Run.fromExternalizableId(Run.java:2345)
hudson.model.Run$Replacer.readResolve(Run.java:1937)
sun.reflect.GeneratedMethodAccessor221.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
com.thoughtworks.xstream.converters.reflection.SerializationMethodInvoker.callReadResolve(SerializationMethodInvoker.java:66)
hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:271)
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:393)
hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:331)
hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:270)
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:71)
hudson.util.RobustCollectionConverter.populateCollection(RobustCollectionConverter.java:85)
com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(CollectionConverter.java:80)
hudson.util.RobustCollectionConverter.unmarshal(RobustCollectionConverter.java:76)
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:393)
hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:331)
hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:270)
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1189)
hudson.util.XStream2.unmarshal(XStream2.java:114)
com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1173)
hudson.XmlFile.unmarshal(XmlFile.java:167)
hudson.model.Run.reload(Run.java:336)
hudson.model.Run.<init>(Run.java:324)
hudson.model.AbstractBuild.<init>(AbstractBuild.java:173)
hudson.model.Build.<init>(Build.java:104)
com.tikal.jenkins.plugins.multijob.MultiJobBuild.<init>(MultiJobBuild.java:56)
...

thanks for your help.