Clean up some warnings

Author: labkey-tchad

labkey-client-api/src/org/labkey/remoteapi/query/ImportDataCommand.java

@@ -32,7 +32,7 @@
 import java.io.InputStreamReader;
 import java.io.StringWriter;
 import java.net.URI;
-import java.net.URISyntaxException;
+import java.nio.charset.Charset;
 import java.util.Arrays;
 import java.util.Objects;
 import java.util.stream.Collectors;
@@ -298,7 +298,7 @@ public ImportDataCommand copy()
         return new ImportDataCommand(this);
     }
 
-    public static void main(String[] args) throws IOException, URISyntaxException
+    public static void main(String[] args) throws IOException
     {
         // required
         String baseServerUrl = null;
@@ -581,7 +581,7 @@ private static void printUsage()
     private static String readFully(InputStream in) throws IOException
     {
         StringWriter sw = new StringWriter();
-        try (BufferedReader buf = new BufferedReader(new InputStreamReader(in)))
+        try (BufferedReader buf = new BufferedReader(new InputStreamReader(in, Charset.defaultCharset())))
         {
             String line;
             do