diff --git c/log4j-core/src/test/java/org/apache/logging/log4j/core/async/AsyncLoggerToStringDeadockTest.java i/log4j-core/src/test/java/org/apache/logging/log4j/core/async/AsyncLoggerToStringDeadockTest.java
new file mode 100644
index 0000000..e3e3530
--- /dev/null
+++ i/log4j-core/src/test/java/org/apache/logging/log4j/core/async/AsyncLoggerToStringDeadockTest.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+package org.apache.logging.log4j.core.async;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.core.config.ConfigurationFactory;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * Test class loading deadlock condition from the LOG4J2-1457  
+ *
+ */
+public class AsyncLoggerToStringDeadockTest {
+    static final int RING_BUFFER_SIZE = 128;
+
+    static class A{
+        static private Logger log = LogManager.getLogger("com.foo.bar.toStringDeadlock");
+        /** {@inheritDoc} */
+        @Override public String toString() {
+            for(int i=0; i<RING_BUFFER_SIZE; ++i) {
+                log.info("hello");
+            }
+            return "A";
+        }
+    }
+    @BeforeClass
+    public static void beforeClass() {
+        System.setProperty("Log4jContextSelector","org.apache.logging.log4j.core.async.AsyncLoggerContextSelector");
+        System.setProperty("AsyncLogger.RingBufferSize", String.valueOf(RING_BUFFER_SIZE));
+        System.setProperty(ConfigurationFactory.CONFIGURATION_FILE_PROPERTY,
+                "AsyncLoggerConsoleTest.xml");
+    }
+
+    @Test(timeout=30000)
+    public void testToStringDeadlock() throws Exception {
+        Logger log = LogManager.getLogger("com.foo.bar.toStringDeadlock");
+        A a = new A();
+        log.info("{}", a);
+    }
+}
diff --git c/log4j-core/src/test/resources/AsyncLoggerConsoleTest.xml i/log4j-core/src/test/resources/AsyncLoggerConsoleTest.xml
new file mode 100644
index 0000000..61efd8c
--- /dev/null
+++ i/log4j-core/src/test/resources/AsyncLoggerConsoleTest.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="warn">
+    <Appenders>
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout>
+                <pattern>%xEx{0}</pattern>
+            </PatternLayout>
+        </Console>
+    </Appenders>
+
+    <Loggers>
+        <Root level="info">
+            <AppenderRef ref="Console" />
+        </Root>
+    </Loggers>
+</Configuration>
\ No newline at end of file