java.lang.NullPointerException

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  • java.lang.NullPointerException at org.openstack4j.connectors.httpclient.HttpResponseImpl.readEntity(HttpResponseImpl.java:127)[openstack4j-httpclient-3.0.2.jar:?] at org.openstack4j.core.transport.functions.ResponseToActionResponse.apply(ResponseToActionResponse.java:31)[openstack4j-core-3.0.2.jar:?] at org.openstack4j.core.transport.functions.ResponseToActionResponse.apply(ResponseToActionResponse.java:22)[openstack4j-core-3.0.2.jar:?] at org.openstack4j.core.transport.HttpEntityHandler.handle(HttpEntityHandler.java:36)[openstack4j-core-3.0.2.jar:?] at org.openstack4j.connectors.httpclient.HttpResponseImpl.getEntity(HttpResponseImpl.java:65)[openstack4j-httpclient-3.0.2.jar:?] at org.openstack4j.openstack.internal.BaseOpenStackService$Invocation.execute(BaseOpenStackService.java:193)[openstack4j-core-3.0.2.jar:?] at org.openstack4j.openstack.internal.BaseOpenStackService$Invocation.execute(BaseOpenStackService.java:187)[openstack4j-core-3.0.2.jar:?] at org.openstack4j.openstack.identity.v3.internal.RoleServiceImpl.checkProjectUserRole(RoleServiceImpl.java:53)[openstack4j-core-3.0.2.jar:?]
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