Minor changes

src/main/java/it/inaf/oats/vospace/AsyncTransferService.java

 package it.inaf.oats.vospace;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import it.inaf.oats.vospace.exception.InternalFaultException;
 import java.io.IOException;
-import java.io.UncheckedIOException;
 import net.ivoa.xml.uws.v1.JobSummary;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -26,14 +26,14 @@ public class AsyncTransferService {
             byte[] result = (byte[]) template.convertSendAndReceive("start_job_queue", message);
 
             if (result == null) {
-                throw new IllegalStateException("Transfer service returned an empty response");
+                throw new InternalFaultException("Transfer service returned an empty response");
             }
 
             LOG.trace("Tape transfer service answered:\n{}", new String(result));
 
             return MAPPER.readValue(result, JobSummary.class);
         } catch (IOException ex) {
-            throw new UncheckedIOException(ex);
+            throw new InternalFaultException(ex);
         }
     }
 }

src/main/java/it/inaf/oats/vospace/persistence/JobDAO.java

@@ -3,7 +3,6 @@ package it.inaf.oats.vospace.persistence;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.JavaType;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
 import java.sql.Timestamp;
 import java.sql.ResultSet;
 import java.sql.SQLException;
@@ -197,7 +196,6 @@ public class JobDAO {
 
         if (last.isPresent()) {
             sb.append(" LIMIT ?");
-            //sb.append(last.get().toString());
             queryParams.add(last.get());
             queryParamTypes.add(Types.INTEGER);
         }