From 9fb77322208f5ad7af8d4c82437870348f4a32c3 Mon Sep 17 00:00:00 2001
From: Andreas Schmitz <schmitz@terrestris.de>
Date: Fri, 17 May 2024 11:07:09 +0200
Subject: [PATCH] fix: prevent exception when keycloak group does not exist

---
 .../provider/keycloak/KeycloakGroupProviderService.java      | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/shogun-lib/src/main/java/de/terrestris/shogun/lib/service/security/provider/keycloak/KeycloakGroupProviderService.java b/shogun-lib/src/main/java/de/terrestris/shogun/lib/service/security/provider/keycloak/KeycloakGroupProviderService.java
index 47de6ec39..140742ee8 100644
--- a/shogun-lib/src/main/java/de/terrestris/shogun/lib/service/security/provider/keycloak/KeycloakGroupProviderService.java
+++ b/shogun-lib/src/main/java/de/terrestris/shogun/lib/service/security/provider/keycloak/KeycloakGroupProviderService.java
@@ -114,8 +114,9 @@ public List<Group<GroupRepresentation>> getGroupsForUser() {
         List<GroupRepresentation> groupRepresentations = keycloakUtil.getKeycloakUserGroups(user.get());
 
         return (List) groupRepresentations.stream().
-            map(groupRepresentation -> repository.findByAuthProviderId(groupRepresentation.getId()).orElseThrow()).
-            collect(Collectors.toList());
+            map(groupRepresentation -> repository.findByAuthProviderId(groupRepresentation.getId()).orElse(null))
+                .filter(group -> group != null)
+                .collect(Collectors.toList());
     }
 
     public void setTransientRepresentations(Group<GroupRepresentation> group) {