[infinispan-issues] [JBoss JIRA] (IPROTO-33) ClassCastException with Array of Enums

ClassCastException with Array of Enums -------------------------------------- Key: IPROTO-33 URL: https://issues.jboss.org/browse/IPROTO-33 Project: Infinispan ProtoStream Issue Type: Bug Affects Versions: 4.0.0.Alpha5 Reporter: Gustavo Fernandes The entity is defined as: {code:java} public class Account extends BaseMessage { public enum Currency { EUR, GBP, USD, BRL } ... private Currency[] currencies; ... } {code} Protofile: {code} message Account { ... /* @TypeId(43) */ enum Currency { EUR = 0; GBP = 1; ... } repeated Currency currencies = 6; ... } {code} Marshaller: {code:java} public class AccountMarshaller implements MessageMarshaller<Account> { ... @Override public Account readFrom(ProtoStreamReader reader) throws IOException { ... Account.Currency[] currencies = reader.readArray("currencies", Account.Currency.class); Account account = new Account(); ... account.setCurrencies(currencies); return account; } @Override public void writeTo(ProtoStreamWriter writer, Account account) throws IOException { ... writer.writeArray("currencies", account.getCurrencies(), Account.Currency.class); } } {code} When trying to marshal and unmarshall a message: {code:java} Account account = ... SerializationContext context = ... byte[] bytes = ProtobufUtil.toWrappedByteArray(context, account); // Throws CCE Account acc = ProtobufUtil.fromWrappedByteArray(context, bytes); {code} {noformat} java.lang.ClassCastException: java.lang.Long cannot be cast to [B at org.infinispan.protostream.impl.ProtoStreamReaderImpl.readCollection(ProtoStreamReaderImpl.java:374) at org.infinispan.protostream.impl.ProtoStreamReaderImpl.readArray(ProtoStreamReaderImpl.java:470) at org.infinispan.protostream.domain.marshallers.AccountMarshaller.readFrom(AccountMarshaller.java:33) at org.infinispan.protostream.domain.marshallers.AccountMarshaller.readFrom(AccountMarshaller.java:14) at org.infinispan.protostream.impl.MessageMarshallerDelegate.unmarshall(MessageMarshallerDelegate.java:113) at org.infinispan.protostream.WrappedMessage.readMessage(WrappedMessage.java:306) at org.infinispan.protostream.ProtobufUtil.fromWrappedByteArray(ProtobufUtil.java:154) at org.infinispan.protostream.ProtobufUtil.fromWrappedByteArray(ProtobufUtil.java:149) {noformat}