Tomcat起動時に以下内容のエラーが発生し、保存したSSH設定が読み込めない（消える）。
既知バグ(JENKINS-17058)でJenkinsのXStream関連のアップデートによる影響が原因のようだが詳細は不明。
問題を確認した環境：Jenkins ver. 1.515 - 1.523, Publish Over SSH Plugin 1.10
＊Jenkinsのバージョンを下げれば解決可能らしい。
WARNING: Failed to load C:\.jenkins\jenkins.plugins.publish_over_ssh.BapSshPublisherPlugin.xml
hudson.util.IOException2: Unable to read C:\.jenkins\jenkins.plugins.publish_over_ssh.BapSshPublisherPlugin.xml
at hudson.XmlFile.unmarshal(XmlFile.java:170)
at hudson.model.Descriptor.load(Descriptor.java:820)
at jenkins.plugins.publish_over_ssh.descriptor.BapSshPublisherPluginDescriptor.<init>&(BapSshPublisherPluginDescriptor.java:68)
at jenkins.plugins.publish_over_ssh.BapSshPublisherPlugin$Descriptor.<init>(BapSshPublisherPlugin.java:81)
at jenkins.plugins.publish_over_ssh.BapSshPublisherPlugin$Descriptor$$FastClassByGuice$$c0ccaf36.newInstance(<generated>)
at com.google.inject.internal.cglib.reflect.$FastConstructor.newInstance(FastConstructor.java:40)
at com.google.inject.internal.DefaultConstructionProxyFactory$1.newInstance(DefaultConstructionProxyFactory.java:61)
at com.google.inject.internal.ConstructorInjector.provision(ConstructorInjector.java:108)
at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:87)
at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:259)
at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1018)
at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
at com.google.inject.Scopes$1$1.get(Scopes.java:59)
at hudson.ExtensionFinder$GuiceFinder$FaultTolerantScope$1.get(ExtensionFinder.java:429)
at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:41)
at com.google.inject.internal.InjectorImpl$3$1.call(InjectorImpl.java:965)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1011)
at com.google.inject.internal.InjectorImpl$3.get(InjectorImpl.java:961)
at hudson.ExtensionFinder$GuiceFinder._find(ExtensionFinder.java:391)
at hudson.ExtensionFinder$GuiceFinder.find(ExtensionFinder.java:382)
at hudson.ExtensionFinder._find(ExtensionFinder.java:151)
at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:326)
at hudson.ExtensionList.load(ExtensionList.java:295)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:248)
at hudson.ExtensionList.getComponents(ExtensionList.java:149)
at hudson.DescriptorExtensionList.load(DescriptorExtensionList.java:182)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:248)
at hudson.ExtensionList.size(ExtensionList.java:157)
at java.util.AbstractCollection.isEmpty(Unknown Source)
at hudson.model.labels.LabelAtom.updateTransientActions(LabelAtom.java:109)
at hudson.model.labels.LabelAtom.load(LabelAtom.java:191)
at jenkins.model.Jenkins.getLabelAtom(Jenkins.java:1595)
at jenkins.model.Jenkins.getSelfLabel(Jenkins.java:2489)
at hudson.model.Node.getAssignedLabels(Node.java:245)
at jenkins.model.Jenkins$20.run(Jenkins.java:2583)
at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:146)
at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)
at jenkins.model.Jenkins$7.runTask(Jenkins.java:895)
at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:187)
at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: com.thoughtworks.xstream.converters.ConversionException: object is not an instance of declaring class : object is not an instance of declaring class
---- Debugging information ----
message : object is not an instance of declaring class
cause-exception : java.lang.IllegalArgumentException
cause-message : object is not an instance of declaring class
class : jenkins.plugins.publish_over_ssh.BapSshHostConfiguration
required-type : jenkins.plugins.publish_over_ssh.BapSshHostConfiguration
converter-type : hudson.util.RobustReflectionConverter
path : /jenkins.plugins.publish_over_ssh.BapSshPublisherPlugin$Descriptor/hostConfigurations/jenkins.plugins.publish_over_ssh.BapSshHostConfiguration
line number : 25
class[1] : hudson.util.CopyOnWriteList
converter-type[1] : hudson.util.XStream2$AssociatedConverterImpl
class[2] : jenkins.plugins.publish_over_ssh.BapSshPublisherPlugin$Descriptor
version : null
-------------------------------
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:79)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:71)
at hudson.util.CopyOnWriteList$ConverterImpl.unmarshal(CopyOnWriteList.java:193)
at hudson.util.CopyOnWriteList$ConverterImpl.unmarshal(CopyOnWriteList.java:172)
at hudson.util.XStream2$AssociatedConverterImpl.unmarshal(XStream2.java:337)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:333)
at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:275)
at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:222)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
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:1061)
at hudson.util.XStream2.unmarshal(XStream2.java:109)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1045)
at hudson.XmlFile.unmarshal(XmlFile.java:166)
... 43 more
Caused by: java.lang.IllegalArgumentException: object is not an instance of declaring class
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.thoughtworks.xstream.converters.reflection.SerializationMethodInvoker.callReadResolve(SerializationMethodInvoker.java:66)
at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:223)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
... 66 more