lirui-apache commented on a change in pull request #3790:
URL: https://github.com/apache/iceberg/pull/3790#discussion_r774466558



##########
File path: 
hive-metastore/src/test/java/org/apache/iceberg/hive/TestHiveCatalog.java
##########
@@ -287,7 +285,11 @@ public void testCreateNamespace() throws TException {
         AlreadyExistsException.class, "Namespace '" + namespace1 + "' already 
exists!", () -> {
           catalog.createNamespace(namespace1);
         });
-    ImmutableMap newMeta = ImmutableMap.<String, String>builder()
+    String hiveLocalDir = temp.newFolder().toURI().toString();
+    if (hiveLocalDir.endsWith("/")) {

Review comment:
       The `java.io.File::toURI` doc mentions:
   ```java
        * <p> The exact form of the URI is system-dependent.  If it can be
        * determined that the file denoted by this abstract pathname is a
        * directory, then the resulting URI will end with a slash.
   ```
   Not sure if that guarantees a trailing slash, so I added the check to be 
safe.
   
   And btw the trailing slash (if any) is removed when hive converts the string 
to a Hadoop Path object: 
https://github.com/apache/hadoop/blob/rel/release-2.7.3/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/Path.java#L237




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