steveloughran commented on code in PR #5064:
URL: https://github.com/apache/hadoop/pull/5064#discussion_r1003577628
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/KeyProvider.java:
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@@ -646,8 +646,8 @@ public void invalidateCache(String name) throws IOException
{
* @throws IOException raised on errors performing I/O.
*/
public static String getBaseName(String versionName) throws IOException {
- if (versionName == null) {
- throw new IOException("Null string found in key path");
+ if (!Objects.nonNull(versionName)) {
Review Comment:
```
Objects.requireNonNull(versionName, "VersionName cannot be null")
```
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