javeme commented on code in PR #434:
URL: 
https://github.com/apache/incubator-hugegraph-toolchain/pull/434#discussion_r1126355306


##########
hugegraph-client/src/main/java/org/apache/hugegraph/util/CommonUtil.java:
##########
@@ -41,4 +46,14 @@ public static void checkMapClass(Object object, Class<?> 
kClass,
                          "but got '%s'(%s)", vClass, value, value.getClass());
         }
     }
+
+    public static void downloadFileByUrl(String url, String destPath) {
+        int connectTimeout = 5000;
+        int readTimeout = 5000;
+        try {
+            FileUtils.copyURLToFile(new URL(url), new File(destPath), 
connectTimeout, readTimeout);
+        } catch (IOException e) {
+            throw new RuntimeException(e);

Review Comment:
   add some message to translate the exception



##########
hugegraph-loader/src/test/java/org/apache/hugegraph/loader/test/functional/FileLoadTest.java:
##########
@@ -2426,6 +2427,10 @@ public void testParquetCompressFile() {
         };
         if (this.ioUtil instanceof HDFSUtil) {
             HDFSUtil hdfsUtil = (HDFSUtil) this.ioUtil;
+            String url = "https://github.com/apache/incubator-hugegraph-doc/"; +

Review Comment:
   define a const var for the base url, may be it may be changed somehow, so 
that we don't need update everywhere



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