Exception in thread "main" com.thoughtworks.xstream.converters.ConversionException: Could not call tomas.staruch.ConcurrentHashMapTest$1.readObject() : No field 'segmentMask' found in class 'tomas.staruch.ConcurrentHashMapTest$1'
---- Debugging information ----
message             : Could not call tomas.staruch.ConcurrentHashMapTest$1.readObject()
cause-exception     : com.thoughtworks.xstream.converters.reflection.MissingFieldException
cause-message       : No field 'segmentMask' found in class 'tomas.staruch.ConcurrentHashMapTest$1'
class               : tomas.staruch.ConcurrentHashMapTest$1
required-type       : tomas.staruch.ConcurrentHashMapTest$1
converter-type      : com.thoughtworks.xstream.converters.reflection.SerializableConverter
path                : /tomas.staruch.ConcurrentHashMapTest$1/concurrent-hash-map/default/segmentMask
line number         : 5
version             : 1.4.7
-------------------------------
	at com.thoughtworks.xstream.converters.reflection.SerializationMethodInvoker.callReadObject(SerializationMethodInvoker.java:119)
	at com.thoughtworks.xstream.converters.reflection.SerializableConverter.doUnmarshal(SerializableConverter.java:454)
	at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:257)
	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:1185)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1169)
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1040)
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1031)
	at tomas.staruch.ConcurrentHashMapTest.main(ConcurrentHashMapTest.java:16)
Caused by: com.thoughtworks.xstream.converters.reflection.MissingFieldException: No field 'segmentMask' found in class 'tomas.staruch.ConcurrentHashMapTest$1'
	at com.thoughtworks.xstream.converters.reflection.FieldDictionary.field(FieldDictionary.java:94)
	at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.getFieldType(PureJavaReflectionProvider.java:159)
	at com.thoughtworks.xstream.converters.reflection.ReflectionProviderWrapper.getFieldType(ReflectionProviderWrapper.java:45)
	at com.thoughtworks.xstream.converters.reflection.SerializableConverter$2.defaultReadObject(SerializableConverter.java:410)
	at com.thoughtworks.xstream.core.util.CustomObjectInputStream.defaultReadObject(CustomObjectInputStream.java:116)
	at java.util.concurrent.ConcurrentHashMap.readObject(ConcurrentHashMap.java:1438)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at com.thoughtworks.xstream.converters.reflection.SerializationMethodInvoker.callReadObject(SerializationMethodInvoker.java:113)
	... 13 more