From 3d316f3836122c74c1e543caa47d6e77abd183ee Mon Sep 17 00:00:00 2001
From: novalisdenahi <novalisdenahi@gmail.com>
Date: Mon, 15 Jun 2026 14:40:05 +0200
Subject: [PATCH] Fix default user handling in closed client and update version
 to 10.0.1.

---
 gradle.properties                             |  2 +-
 .../java/com/configcat/ConfigCatClient.java   |  8 ----
 src/main/java/com/configcat/Constants.java    |  2 +-
 .../com/configcat/ConfigCatClientTest.java    | 39 ++++++++++++++++++-
 4 files changed, 39 insertions(+), 12 deletions(-)

diff --git a/gradle.properties b/gradle.properties
index 178ca82..a077c68 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,2 +1,2 @@
-version=10.0.0
+version=10.0.1
 SONATYPE_CONNECT_TIMEOUT_SECONDS=120
\ No newline at end of file
diff --git a/src/main/java/com/configcat/ConfigCatClient.java b/src/main/java/com/configcat/ConfigCatClient.java
index 4f41aa7..9fd5a2c 100644
--- a/src/main/java/com/configcat/ConfigCatClient.java
+++ b/src/main/java/com/configcat/ConfigCatClient.java
@@ -350,19 +350,11 @@ public CompletableFuture<RefreshResult> forceRefreshAsync() {
 
     @Override
     public void setDefaultUser(User defaultUser) {
-        if (isClosed()) {
-            logger.warn(3201, ConfigCatLogMessages.getConfigServiceMethodHasNoEffectDueToClosedClient("setDefaultUser"));
-            return;
-        }
         this.defaultUser = defaultUser;
     }
 
     @Override
     public void clearDefaultUser() {
-        if (isClosed()) {
-            logger.warn(3201, ConfigCatLogMessages.getConfigServiceMethodHasNoEffectDueToClosedClient("clearDefaultUser"));
-            return;
-        }
         this.defaultUser = null;
     }
 
diff --git a/src/main/java/com/configcat/Constants.java b/src/main/java/com/configcat/Constants.java
index 28efa1f..87aa6c2 100644
--- a/src/main/java/com/configcat/Constants.java
+++ b/src/main/java/com/configcat/Constants.java
@@ -7,7 +7,7 @@ private Constants() { /* prevent from instantiation*/ }
     static final long DISTANT_PAST = 0;
     static final String CONFIG_JSON_NAME = "config_v6.json";
     static final String SERIALIZATION_FORMAT_VERSION = "v2";
-    static final String VERSION = "10.0.0";
+    static final String VERSION = "10.0.1";
 
     static final String SDK_KEY_PROXY_PREFIX = "configcat-proxy/";
     static final String SDK_KEY_PREFIX = "configcat-sdk-1";
diff --git a/src/test/java/com/configcat/ConfigCatClientTest.java b/src/test/java/com/configcat/ConfigCatClientTest.java
index 75ad705..8bf8a3f 100644
--- a/src/test/java/com/configcat/ConfigCatClientTest.java
+++ b/src/test/java/com/configcat/ConfigCatClientTest.java
@@ -992,7 +992,7 @@ private static OkHttpClient getFetcherClientWithReflection(ConfigCatClient clien
         configServiceField.setAccessible(true);
         ConfigService configService = (ConfigService) configServiceField.get(client);
 
-        Field configFetcherField = ConfigService.class.getDeclaredField("configFetcher");
+        Field configFetcherField = configService.getClass().getDeclaredField("configFetcher");
         configFetcherField.setAccessible(true);
         ConfigFetcher configFetcher = (ConfigFetcher) configFetcherField.get(configService);
 
@@ -1112,5 +1112,40 @@ void testWaitForReady() throws IOException, InterruptedException, ExecutionExcep
         cl.close();
     }
 
+    @Test
+    void getValueAfterCloseWithDefaultUserAndClearedUser() throws IOException {
+        MockWebServer server = new MockWebServer();
+        server.start();
+
+        User user1 = User.newBuilder().build("test1");
+        User user2 = User.newBuilder().build("test2");
+
+        ConfigCatClient cl = ConfigCatClient.get(Helpers.SDK_KEY, options -> {
+            options.pollingMode(PollingModes.manualPoll());
+            options.baseUrl(server.url("/").toString());
+        });
+
+        server.enqueue(new MockResponse().setResponseCode(200).setBody(TEST_JSON_DEFAULT_USER));
+        cl.forceRefresh();
+
+        cl.setDefaultUser(user1);
+
+        String result = assertDoesNotThrow(() -> cl.getValue(String.class, "fakeKey", "fallback"));
+        assertEquals("fakeValue1", result);
+
+        cl.close();
+
+        cl.setDefaultUser(user2);
+
+        result = assertDoesNotThrow(() -> cl.getValue(String.class, "fakeKey", "fallback"));
+        assertEquals("fakeValue2", result);
+
+        cl.clearDefaultUser();
+
+        result = assertDoesNotThrow(() -> cl.getValue(String.class, "fakeKey", "fallback"));
+        assertEquals("defaultValue", result);
+    }
+
+
+}
 
-}
\ No newline at end of file