Serialization of javax.ws.rs.ProcessingException failed with NotSerializableException

My application uses resteasy client api. After invoking rest-interface method application caught exception:

Caused by: javax.ws.rs.ProcessingException: Unable to find a MessageBodyReader of content-type application/xml and type class my.company.api.EntityVO
at org.jboss.resteasy.core.interception.ClientReaderInterceptorContext.throwReaderNotFound(ClientReaderInterceptorContext.java:39) ~[resteasy-jaxrs-3.0.4.Final.jar:na]
at org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.getReader(AbstractReaderInterceptorContext.java:73) ~[resteasy-jaxrs-3.0.4.Final.jar:na]
at org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.proceed(AbstractReaderInterceptorContext.java:50) ~[resteasy-jaxrs-3.0.4.Final.jar:na]
at org.jboss.resteasy.plugins.interceptors.encoding.GZIPDecodingInterceptor.aroundReadFrom(GZIPDecodingInterceptor.java:59) ~[resteasy-jaxrs-3.0.4.Final.jar:na]
at org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.proceed(AbstractReaderInterceptorContext.java:53) ~[resteasy-jaxrs-3.0.4.Final.jar:na]
at org.jboss.resteasy.client.jaxrs.internal.ClientResponse.readFrom(ClientResponse.java:244) ~[resteasy-client-3.0.4.Final.jar:na]
at org.jboss.resteasy.client.jaxrs.internal.ClientResponse.readEntity(ClientResponse.java:178) ~[resteasy-client-3.0.4.Final.jar:na]
at org.jboss.resteasy.specimpl.BuiltResponse.readEntity(BuiltResponse.java:211) ~[resteasy-jaxrs-3.0.4.Final.jar:na]
at org.jboss.resteasy.client.jaxrs.internal.ClientInvocation.extractResult(ClientInvocation.java:104) ~[resteasy-client-3.0.4.Final.jar:na]

After that application try to serialize this exception and get another one:

Caused by: java.io.NotSerializableException: org.jboss.resteasy.client.jaxrs.engines.ApacheHttpClient4Engine$1
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1180) ~[na:1.7.0_05]
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1528) ~[na:1.7.0_05]
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1493) ~[na:1.7.0_05]
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1416) ~[na:1.7.0_05]
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174) ~[na:1.7.0_05]
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1528) ~[na:1.7.0_05]
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1493) ~[na:1.7.0_05]
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1416) ~[na:1.7.0_05]
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174) ~[na:1.7.0_05]
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:346) ~[na:1.7.0_05]