java.lang.NullPointerException: id

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java.lang.NullPointerException: id
at org.jclouds.openstack.keystone.v2_0.domain.Role.(Role.java:132)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at org.jclouds.json.internal.DeserializationConstructorAndReflectiveTypeAdapterFactory$DeserializeWithParameterizedConstructorSerializeWithDelegate.newInstance(DeserializationConstructorAndReflectiveTypeAdapterFactory.java:219)
at org.jclouds.json.internal.DeserializationConstructorAndReflectiveTypeAdapterFactory$DeserializeWithParameterizedConstructorSerializeWithDelegate.read(DeserializationConstructorAndReflectiveTypeAdapterFactory.java:198)
at org.jclouds.json.internal.IgnoreNullSetTypeAdapterFactory$1.read(IgnoreNullSetTypeAdapterFactory.java:69)
at org.jclouds.json.internal.IgnoreNullSetTypeAdapterFactory$1.read(IgnoreNullSetTypeAdapterFactory.java:56)
at com.google.gson.TypeAdapter$1.read(TypeAdapter.java:199)
at org.jclouds.json.internal.DeserializationConstructorAndReflectiveTypeAdapterFactory$ParameterReader.read(DeserializationConstructorAndReflectiveTypeAdapterFactory.java:245)
at org.jclouds.json.internal.DeserializationConstructorAndReflectiveTypeAdapterFactory$DeserializeWithParameterizedConstructorSerializeWithDelegate.read(DeserializationConstructorAndReflectiveTypeAdapterFactory.java:181)
at org.jclouds.json.internal.DeserializationConstructorAndReflectiveTypeAdapterFactory$ParameterReader.read(DeserializationConstructorAndReflectiveTypeAdapterFactory.java:245)
at org.jclouds.http.functions.ParseFirstJsonValueNamed.apply(ParseFirstJsonValueNamed.java:81)
at org.jclouds.http.functions.ParseFirstJsonValueNamed.apply(ParseFirstJsonValueNamed.java:48)
at com.google.common.util.concurrent.Futures$3.apply(Futures.java:380)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)

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