[nifi] 07/13: NIFI-10074 Fix potential UnsupportedOperationException in PutSmbFile.customValidate. (#6088)

[joewitt]

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joewitt pushed a commit to branch support/nifi-1.16
in repository https://gitbox.apache.org/repos/asf/nifi.git

commit 950c4fec47c526566d43cfa88044af299db84b26
Author: tpalfy <53442425+tpa...@users.noreply.github.com>
AuthorDate: Wed Jun 1 20:27:07 2022 +0200

    NIFI-10074 Fix potential UnsupportedOperationException in 
PutSmbFile.customValidate. (#6088)
---
 .../src/main/java/org/apache/nifi/processors/smb/PutSmbFile.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/nifi-nar-bundles/nifi-smb-bundle/nifi-smb-processors/src/main/java/org/apache/nifi/processors/smb/PutSmbFile.java
 
b/nifi-nar-bundles/nifi-smb-bundle/nifi-smb-processors/src/main/java/org/apache/nifi/processors/smb/PutSmbFile.java
index 2accbbf499..6c6821fca4 100644
--- 
a/nifi-nar-bundles/nifi-smb-bundle/nifi-smb-processors/src/main/java/org/apache/nifi/processors/smb/PutSmbFile.java
+++ 
b/nifi-nar-bundles/nifi-smb-bundle/nifi-smb-processors/src/main/java/org/apache/nifi/processors/smb/PutSmbFile.java
@@ -229,7 +229,7 @@ public class PutSmbFile extends AbstractProcessor {
 
     @Override
     protected Collection<ValidationResult> customValidate(ValidationContext 
validationContext) {
-        Collection<ValidationResult> set = Collections.emptySet();
+        Collection<ValidationResult> set = new ArrayList<>();
         if (validationContext.getProperty(USERNAME).isSet() && 
!validationContext.getProperty(PASSWORD).isSet()) {
             set.add(new ValidationResult.Builder().explanation("Password must 
be set if username is supplied.").build());
         }