try {
long offset = nativeExportAction(this.pointer, ackAction, pollAction, resetAction,
syncAction, ackTxnId, seqNo, tableId);
if (offset < 0) {
result = new ExportProtoMessage(partitionId, tableId);
result.error();
}
else if (pollAction) {
ByteBuffer b;
int byteLen = deserializer.readInt();
if (byteLen < 0) {