diff --git a/sermant-integration-tests/spring-test/spring-common/src/main/java/io/sermant/spring/common/loadbalancer/consumer/RibbonLbController.java b/sermant-integration-tests/spring-test/spring-common/src/main/java/io/sermant/spring/common/loadbalancer/consumer/RibbonLbController.java
index 357ff72a0b..96d722e2ee 100644
--- a/sermant-integration-tests/spring-test/spring-common/src/main/java/io/sermant/spring/common/loadbalancer/consumer/RibbonLbController.java
+++ b/sermant-integration-tests/spring-test/spring-common/src/main/java/io/sermant/spring/common/loadbalancer/consumer/RibbonLbController.java
@@ -65,7 +65,7 @@ public String getRibbonLb(@RequestParam("serviceName") String serviceName) throw
         if (!RIBBON_CLASS.equals(loadBalancerClient.getClass().getName())) {
             return ERROR_RESPONSE;
         }
-        final ClassLoader contextClassLoader = ClassLoaderManager.getContextClassLoaderOrUserClassLoader();
+        final ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
         final Class<?> ribbonClientClass = contextClassLoader.loadClass(RIBBON_CLASS);
         final Field clientField = ReflectionUtils.findField(ribbonClientClass, "clientFactory");
         if (clientField == null) {