Fix concurrent modification exception with dispatcher caching
keycloak-1 | 2024-06-21 08:32:21,335 ERROR [org.keycloak.services.error.KeycloakErrorHandler] (executor-thread-9) Uncaught server error: java.util.ConcurrentModificationException keycloak-1 | at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1221) keycloak-1 | at sh.libre.scim.core.ScimDispatcher.createForSession(ScimDispatcher.java:31) keycloak-1 | at sh.libre.scim.event.ScimEventListenerProvider.<init>(ScimEventListenerProvider.java:49) keycloak-1 | at sh.libre.scim.event.ScimEventListenerProviderFactory.create(ScimEventListenerProviderFactory.java:13) keycloak-1 | at sh.libre.scim.event.ScimEventListenerProviderFactory.create(ScimEventListenerProviderFactory.java:9) keycloak-1 | at org.keycloak.services.DefaultKeycloakSession.getProvider(DefaultKeycloakSession.java:195)
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1 changed files with 2 additions and 1 deletions
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@ -10,6 +10,7 @@ import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Optional;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.function.Consumer;
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/**
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@ -19,7 +20,7 @@ public class ScimDispatcher {
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private static final Logger logger = Logger.getLogger(ScimDispatcher.class);
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private static final Map<KeycloakSession, ScimDispatcher> sessionToScimDispatcher = new LinkedHashMap<>();
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private static final Map<KeycloakSession, ScimDispatcher> sessionToScimDispatcher = new ConcurrentHashMap<>();
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private final KeycloakSession session;
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private boolean clientsInitialized = false;
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private final List<UserScimService> userScimServices = new ArrayList<>();
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