From c822b4010b6eb5f49d5949b1af786460ad89f0d7 Mon Sep 17 00:00:00 2001
From: Martin Kanis <mkanis@redhat.com>
Date: Wed, 17 Apr 2024 09:02:22 +0200
Subject: [PATCH] NPE in user-storage-jpa when searching by empty string

Closes #546

Signed-off-by: Martin Kanis <mkanis@redhat.com>
(cherry picked from commit ac868332c95457b408a76853dde7012c51856c2a)
---
 .../quickstart/storage/user/MyUserStorageProvider.java         | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/extension/user-storage-jpa/src/main/java/org/keycloak/quickstart/storage/user/MyUserStorageProvider.java b/extension/user-storage-jpa/src/main/java/org/keycloak/quickstart/storage/user/MyUserStorageProvider.java
index d13748daa..5d2ed96e2 100644
--- a/extension/user-storage-jpa/src/main/java/org/keycloak/quickstart/storage/user/MyUserStorageProvider.java
+++ b/extension/user-storage-jpa/src/main/java/org/keycloak/quickstart/storage/user/MyUserStorageProvider.java
@@ -229,7 +229,8 @@ public int getUsersCount(RealmModel realm) {
     public Stream<UserModel> searchForUserStream(RealmModel realm, Map<String, String> params, Integer firstResult, Integer maxResults) {
         String search = params.get(UserModel.SEARCH);
         TypedQuery<UserEntity> query = em.createNamedQuery("searchForUser", UserEntity.class);
-        query.setParameter("search", "%" + search.toLowerCase() + "%");
+        String lower = search != null ? search.toLowerCase() : "";
+        query.setParameter("search", "%" + lower + "%");
         if (firstResult != null) {
             query.setFirstResult(firstResult);
         }