BLOB export fix

Former-commit-id: ca91a49c

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/tools/transfer/stream/StreamTransferConsumer.java

@@ -435,6 +435,7 @@ public class StreamTransferConsumer implements IDataTransferConsumer<StreamConsu
         @Override
         public void writeBinaryData(InputStream stream, long streamLength) throws IOException
         {
+            try {
                 exportSite.flush();
                 switch (settings.getLobEncoding()) {
                     case BASE64:
@@ -460,6 +461,9 @@ public class StreamTransferConsumer implements IDataTransferConsumer<StreamConsu
                         IOUtils.copyStream(stream, outputStream, 5000);
                         break;
                 }
+            } finally {
+                ContentUtils.close(stream);
+            }
         }
     }
 }