diff --git a/java/runtime/src/main/java/io/ray/runtime/functionmanager/FunctionManager.java b/java/runtime/src/main/java/io/ray/runtime/functionmanager/FunctionManager.java
index 3ad60b4346f0e..57fb5e6d7ec58 100644
--- a/java/runtime/src/main/java/io/ray/runtime/functionmanager/FunctionManager.java
+++ b/java/runtime/src/main/java/io/ray/runtime/functionmanager/FunctionManager.java
@@ -138,7 +138,7 @@ private JobFunctionTable createJobFunctionTable() {
                   })
               .toArray(URL[]::new);
       classLoader = new URLClassLoader(urls);
-      LOGGER.debug("Resource loaded from path {}.", urls);
+      LOGGER.debug("Resource loaded from path {}.", (Object[]) (urls));
     }
 
     return new JobFunctionTable(classLoader);
diff --git a/java/runtime/src/main/java/io/ray/runtime/utils/parallelactor/ParallelActorExecutorImpl.java b/java/runtime/src/main/java/io/ray/runtime/utils/parallelactor/ParallelActorExecutorImpl.java
index 91020366fd24a..22fb72183ce57 100644
--- a/java/runtime/src/main/java/io/ray/runtime/utils/parallelactor/ParallelActorExecutorImpl.java
+++ b/java/runtime/src/main/java/io/ray/runtime/utils/parallelactor/ParallelActorExecutorImpl.java
@@ -26,7 +26,7 @@ public ParallelActorExecutorImpl(int parallelism, JavaFunctionDescriptor javaFun
     RayFunction init = functionManager.getFunction(javaFunctionDescriptor);
     Thread.currentThread().setContextClassLoader(init.classLoader);
     for (int i = 0; i < parallelism; ++i) {
-      Object instance = init.getMethod().invoke(null, null);
+      Object instance = init.getMethod().invoke(null);
       instances.put(i, instance);
     }
   }