"java.io.NotSerializableException: java.util.HashMap$KeySet" error when ManagementView.getComponentTypes() is called over a remote connection

Exception in thread "main" org.jboss.remoting.InvocationFailureException: Unable to perform invocation; nested exception is:
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: java.util.HashMap$KeySet
at org.jboss.remoting.transport.socket.SocketClientInvoker.handleException(SocketClientInvoker.java:142)
at org.jboss.remoting.transport.socket.MicroSocketClientInvoker.transport(MicroSocketClientInvoker.java:891)
at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:165)
at org.jboss.remoting.Client.invoke(Client.java:1724)
at org.jboss.remoting.Client.invoke(Client.java:629)
at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:60)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
at org.jboss.aspects.remoting.MergeMetaDataInterceptor.invoke(MergeMetaDataInterceptor.java:74)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
at org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:65)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
at org.jboss.aop.generatedproxies.AOPProxy$1.getComponentTypes(AOPProxy$1.java)
at org.jboss.jopr.tool.jbas5.PluginDescriptorGenerator.addComponentsToDescriptor(PluginDescriptorGenerator.java:165)
at org.jboss.jopr.tool.jbas5.PluginDescriptorGenerator.generatePluginDescriptor(PluginDescriptorGenerator.java:118)
at org.jboss.jopr.tool.jbas5.PluginDescriptorGenerator.main(PluginDescriptorGenerator.java:112)
Caused by: java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: java.util.HashMap$KeySet
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1333)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
at org.jboss.aop.joinpoint.InvocationResponse.readExternal(InvocationResponse.java:119)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1947)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1871)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.receiveObjectVersion2_2(JavaSerializationManager.java:238)
at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.receiveObject(JavaSerializationManager.java:138)
at org.jboss.remoting.marshal.serializable.SerializableUnMarshaller.read(SerializableUnMarshaller.java:123)
at org.jboss.invocation.unified.marshall.InvocationUnMarshaller.read(InvocationUnMarshaller.java:59)
at org.jboss.remoting.transport.socket.MicroSocketClientInvoker.versionedRead(MicroSocketClientInvoker.java:1220)
at org.jboss.remoting.transport.socket.MicroSocketClientInvoker.transport(MicroSocketClientInvoker.java:850)
at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:165)
at org.jboss.remoting.Client.invoke(Client.java:1724)
at org.jboss.remoting.Client.invoke(Client.java:629)
at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:60)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
at org.jboss.aspects.remoting.MergeMetaDataInterceptor.invoke(MergeMetaDataInterceptor.java:74)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
at org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:65)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
at org.jboss.aop.generatedproxies.AOPProxy$1.getComponentTypes(AOPProxy$1.java)
at org.jboss.jopr.tool.jbas5.PluginDescriptorGenerator.addComponentsToDescriptor(PluginDescriptorGenerator.java:165)
at org.jboss.jopr.tool.jbas5.PluginDescriptorGenerator.generatePluginDescriptor(PluginDescriptorGenerator.java:118)
at org.jboss.jopr.tool.jbas5.PluginDescriptorGenerator.main(PluginDescriptorGenerator.java:112)
at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:72)
... 9 more
Caused by: java.io.NotSerializableException: java.util.HashMap$KeySet
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1156)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
at org.jboss.aop.joinpoint.InvocationResponse.writeExternal(InvocationResponse.java:100)
at java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1421)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1390)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.sendObjectVersion2_2(JavaSerializationManager.java:120)
at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.sendObject(JavaSerializationManager.java:95)
at org.jboss.remoting.marshal.serializable.SerializableMarshaller.write(SerializableMarshaller.java:120)
at org.jboss.invocation.unified.marshall.InvocationMarshaller.write(InvocationMarshaller.java:75)
at org.jboss.remoting.transport.socket.ServerThread.versionedWrite(ServerThread.java:1006)
at org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:783)
at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:697)
at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:524)
at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:232)