diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/logger/LoggerFactory.java b/dubbo-common/src/main/java/org/apache/dubbo/common/logger/LoggerFactory.java
index c718ae9e79..02e1cd7744 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/logger/LoggerFactory.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/common/logger/LoggerFactory.java
@@ -75,7 +75,7 @@ public class LoggerFactory {
                 // try to use the first available adapter
                 for (Class<? extends LoggerAdapter> clazz : candidates) {
                     try {
-                        LoggerAdapter loggerAdapter = clazz.getConstructor().newInstance();
+                        LoggerAdapter loggerAdapter = clazz.getDeclaredConstructor().newInstance();
                         loggerAdapter.getLogger(LoggerFactory.class);
                         if (loggerAdapter.isConfigured()) {
                             setLoggerAdapter(loggerAdapter);
@@ -93,7 +93,7 @@ public class LoggerFactory {
                 System.err.println("Dubbo: Unable to find a proper configured logger to log out.");
                 for (Class<? extends LoggerAdapter> clazz : candidates) {
                     try {
-                        LoggerAdapter loggerAdapter = clazz.getConstructor().newInstance();
+                        LoggerAdapter loggerAdapter = clazz.getDeclaredConstructor().newInstance();
                         loggerAdapter.getLogger(LoggerFactory.class);
                         setLoggerAdapter(loggerAdapter);
                         found = true;
@@ -221,7 +221,7 @@ public class LoggerFactory {
         List<String> result = new LinkedList<>();
         for (Map.Entry<Class<? extends LoggerAdapter>, String> entry : candidates.entrySet()) {
             try {
-                LoggerAdapter loggerAdapter = entry.getKey().getConstructor().newInstance();
+                LoggerAdapter loggerAdapter = entry.getKey().getDeclaredConstructor().newInstance();
                 loggerAdapter.getLogger(LoggerFactory.class);
                 result.add(entry.getValue());
             } catch (Exception ignored) {
diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/CompatibleTypeUtils.java b/dubbo-common/src/main/java/org/apache/dubbo/common/utils/CompatibleTypeUtils.java
index a57f53f82a..fb4d53ccbd 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/CompatibleTypeUtils.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/common/utils/CompatibleTypeUtils.java
@@ -204,7 +204,7 @@ public class CompatibleTypeUtils {
             }
             if (!type.isInterface()) {
                 try {
-                    Collection result = (Collection) type.newInstance();
+                    Collection result = (Collection) type.getDeclaredConstructor().newInstance();
                     result.addAll(collection);
                     return result;
                 } catch (Throwable ignored) {
@@ -222,8 +222,8 @@ public class CompatibleTypeUtils {
             Collection collection;
             if (!type.isInterface()) {
                 try {
-                    collection = (Collection) type.newInstance();
-                } catch (Throwable e) {
+                    collection = (Collection) type.getDeclaredConstructor().newInstance();
+                } catch (Exception e) {
                     collection = new ArrayList<Object>(length);
                 }
             } else if (type == Set.class) {
diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/PojoUtils.java b/dubbo-common/src/main/java/org/apache/dubbo/common/utils/PojoUtils.java
index 016542e1dd..200aa7b1be 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/PojoUtils.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/common/utils/PojoUtils.java
@@ -275,7 +275,7 @@ public class PojoUtils {
         }
         if (!type.isInterface() && !Modifier.isAbstract(type.getModifiers())) {
             try {
-                return (Collection<Object>) type.newInstance();
+                return (Collection<Object>) type.getDeclaredConstructor().newInstance();
             } catch (Exception e) {
                 // ignore
             }
@@ -306,7 +306,7 @@ public class PojoUtils {
             result = new ConcurrentSkipListMap();
         } else {
             try {
-                result = cl.newInstance();
+                result = cl.getDeclaredConstructor().newInstance();
             } catch (Exception e) { /* ignore */ }
 
             if (result == null) {
@@ -434,7 +434,7 @@ public class PojoUtils {
             // when return type is not the subclass of return type from the signature and not an interface
             if (!type.isInterface() && !type.isAssignableFrom(pojo.getClass())) {
                 try {
-                    map = (Map<Object, Object>) type.newInstance();
+                    map = (Map<Object, Object>) type.getDeclaredConstructor().newInstance();
                     Map<Object, Object> mapPojo = (Map<Object, Object>) pojo;
                     map.putAll(mapPojo);
                     if (GENERIC_WITH_CLZ) {
@@ -596,7 +596,7 @@ public class PojoUtils {
 
     private static Object newInstance(Class<?> cls) {
         try {
-            return cls.newInstance();
+            return cls.getDeclaredConstructor().newInstance();
         } catch (Throwable t) {
             Constructor<?>[] constructors = cls.getDeclaredConstructors();
             /*
diff --git a/dubbo-common/src/main/java/org/apache/dubbo/config/context/AbstractConfigManager.java b/dubbo-common/src/main/java/org/apache/dubbo/config/context/AbstractConfigManager.java
index 82bdad15d2..76bd79672f 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/config/context/AbstractConfigManager.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/config/context/AbstractConfigManager.java
@@ -538,7 +538,7 @@ public abstract class AbstractConfigManager extends LifecycleAdapter {
     }
 
     private <T extends AbstractConfig> T createConfig(Class<T> cls, ScopeModel scopeModel) throws ReflectiveOperationException {
-        T config = cls.newInstance();
+        T config = cls.getDeclaredConstructor().newInstance();
         config.setScopeModel(scopeModel);
         return config;
     }
diff --git a/dubbo-common/src/test/java/org/apache/dubbo/common/bytecode/ClassGeneratorTest.java b/dubbo-common/src/test/java/org/apache/dubbo/common/bytecode/ClassGeneratorTest.java
index 9cef0a3468..607f6010c1 100644
--- a/dubbo-common/src/test/java/org/apache/dubbo/common/bytecode/ClassGeneratorTest.java
+++ b/dubbo-common/src/test/java/org/apache/dubbo/common/bytecode/ClassGeneratorTest.java
@@ -166,7 +166,7 @@ class ClassGeneratorTest {
         cl.getField("FNAME").set(null, fname);
 
         System.out.println(cl.getName());
-        Builder<String> builder = (Builder<String>) cl.newInstance();
+        Builder<String> builder = (Builder<String>) cl.getDeclaredConstructor().newInstance();
         System.out.println(b.getName());
         builder.setName(b, "ok");
         System.out.println(b.getName());
@@ -192,7 +192,7 @@ class ClassGeneratorTest {
         cl.getField("FNAME").set(null, fname);
 
         System.out.println(cl.getName());
-        Builder<String> builder = (Builder<String>) cl.newInstance();
+        Builder<String> builder = (Builder<String>) cl.getDeclaredConstructor().newInstance();
         System.out.println(b.getName());
         builder.setName(b, "ok");
         System.out.println(b.getName());
@@ -213,4 +213,4 @@ class Bean {
     }
 
     public static volatile String abc = "df";
-}
\ No newline at end of file
+}
diff --git a/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/AdaptiveCompilerTest.java b/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/AdaptiveCompilerTest.java
index 785ee82b16..9edc55804a 100644
--- a/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/AdaptiveCompilerTest.java
+++ b/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/AdaptiveCompilerTest.java
@@ -29,8 +29,8 @@ class AdaptiveCompilerTest extends JavaCodeTest {
         AdaptiveCompiler compiler = new AdaptiveCompiler();
         compiler.setFrameworkModel(FrameworkModel.defaultModel());
         Class<?> clazz = compiler.compile(JavaCodeTest.class, getSimpleCode(), AdaptiveCompiler.class.getClassLoader());
-        HelloService helloService = (HelloService) clazz.newInstance();
+        HelloService helloService = (HelloService) clazz.getDeclaredConstructor().newInstance();
         Assertions.assertEquals("Hello world!", helloService.sayHello());
     }
 
-}
\ No newline at end of file
+}
diff --git a/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/JavassistCompilerTest.java b/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/JavassistCompilerTest.java
index 7d03b57ad4..9cfb667b39 100644
--- a/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/JavassistCompilerTest.java
+++ b/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/JavassistCompilerTest.java
@@ -30,7 +30,7 @@ class JavassistCompilerTest extends JavaCodeTest {
         Class<?> clazz = compiler.compile(JavaCodeTest.class, getSimpleCode(), JavassistCompiler.class.getClassLoader());
 
         // Because javassist compiles using the caller class loader, we should't use HelloService directly
-        Object instance = clazz.newInstance();
+        Object instance = clazz.getDeclaredConstructor().newInstance();
         Method sayHello = instance.getClass().getMethod("sayHello");
         Assertions.assertEquals("Hello world!", sayHello.invoke(instance));
     }
@@ -48,7 +48,7 @@ class JavassistCompilerTest extends JavaCodeTest {
             Assertions.assertThrows(RuntimeException.class, () -> compiler.compile(null, getSimpleCodeWithoutPackage(), JavassistCompiler.class.getClassLoader()));
         } else {
             Class<?> clazz = compiler.compile(null, getSimpleCodeWithoutPackage(), JavassistCompiler.class.getClassLoader());
-            Object instance = clazz.newInstance();
+            Object instance = clazz.getDeclaredConstructor().newInstance();
             Method sayHello = instance.getClass().getMethod("sayHello");
             Assertions.assertEquals("Hello world!", sayHello.invoke(instance));
         }
@@ -59,7 +59,7 @@ class JavassistCompilerTest extends JavaCodeTest {
         Assertions.assertThrows(IllegalStateException.class, () -> {
             JavassistCompiler compiler = new JavassistCompiler();
             Class<?> clazz = compiler.compile(JavaCodeTest.class, getSimpleCodeWithSyntax0(), JavassistCompiler.class.getClassLoader());
-            Object instance = clazz.newInstance();
+            Object instance = clazz.getDeclaredConstructor().newInstance();
             Method sayHello = instance.getClass().getMethod("sayHello");
             Assertions.assertEquals("Hello world!", sayHello.invoke(instance));
         });
@@ -69,7 +69,7 @@ class JavassistCompilerTest extends JavaCodeTest {
     void testCompileJavaClassWithImport() throws Exception {
         JavassistCompiler compiler = new JavassistCompiler();
         Class<?> clazz = compiler.compile(JavaCodeTest.class, getSimpleCodeWithImports(), JavassistCompiler.class.getClassLoader());
-        Object instance = clazz.newInstance();
+        Object instance = clazz.getDeclaredConstructor().newInstance();
         Method sayHello = instance.getClass().getMethod("sayHello");
         Assertions.assertEquals("Hello world!", sayHello.invoke(instance));
     }
@@ -78,7 +78,7 @@ class JavassistCompilerTest extends JavaCodeTest {
     void testCompileJavaClassWithExtends() throws Exception {
         JavassistCompiler compiler = new JavassistCompiler();
         Class<?> clazz = compiler.compile(JavaCodeTest.class, getSimpleCodeWithWithExtends(), JavassistCompiler.class.getClassLoader());
-        Object instance = clazz.newInstance();
+        Object instance = clazz.getDeclaredConstructor().newInstance();
         Method sayHello = instance.getClass().getMethod("sayHello");
         Assertions.assertEquals("Hello world3!", sayHello.invoke(instance));
     }
diff --git a/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/JdkCompilerTest.java b/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/JdkCompilerTest.java
index 1f330ffb81..61b8b81967 100644
--- a/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/JdkCompilerTest.java
+++ b/dubbo-common/src/test/java/org/apache/dubbo/common/compiler/support/JdkCompilerTest.java
@@ -27,7 +27,7 @@ class JdkCompilerTest extends JavaCodeTest {
     void test_compileJavaClass() throws Exception {
         JdkCompiler compiler = new JdkCompiler();
         Class<?> clazz = compiler.compile(JavaCodeTest.class, getSimpleCode(), JdkCompiler.class.getClassLoader());
-        Object instance = clazz.newInstance();
+        Object instance = clazz.getDeclaredConstructor().newInstance();
         Method sayHello = instance.getClass().getMethod("sayHello");
         Assertions.assertEquals("Hello world!", sayHello.invoke(instance));
     }
@@ -37,7 +37,7 @@ class JdkCompilerTest extends JavaCodeTest {
         Assertions.assertThrows(IllegalStateException.class, () -> {
             JdkCompiler compiler = new JdkCompiler();
             Class<?> clazz = compiler.compile(JavaCodeTest.class, getSimpleCodeWithoutPackage(), JdkCompiler.class.getClassLoader());
-            Object instance = clazz.newInstance();
+            Object instance = clazz.getDeclaredConstructor().newInstance();
             Method sayHello = instance.getClass().getMethod("sayHello");
             Assertions.assertEquals("Hello world!", sayHello.invoke(instance));
         });
@@ -48,7 +48,7 @@ class JdkCompilerTest extends JavaCodeTest {
         Assertions.assertThrows(IllegalStateException.class, () -> {
             JdkCompiler compiler = new JdkCompiler();
             Class<?> clazz = compiler.compile(JavaCodeTest.class, getSimpleCodeWithSyntax(), JdkCompiler.class.getClassLoader());
-            Object instance = clazz.newInstance();
+            Object instance = clazz.getDeclaredConstructor().newInstance();
             Method sayHello = instance.getClass().getMethod("sayHello");
             Assertions.assertEquals("Hello world!", sayHello.invoke(instance));
         });
@@ -58,7 +58,7 @@ class JdkCompilerTest extends JavaCodeTest {
     void test_compileJavaClass_java8() throws Exception {
         JdkCompiler compiler = new JdkCompiler("1.8");
         Class<?> clazz = compiler.compile(JavaCodeTest.class, getSimpleCode(), JdkCompiler.class.getClassLoader());
-        Object instance = clazz.newInstance();
+        Object instance = clazz.getDeclaredConstructor().newInstance();
         Method sayHello = instance.getClass().getMethod("sayHello");
         Assertions.assertEquals("Hello world!", sayHello.invoke(instance));
     }
@@ -68,7 +68,7 @@ class JdkCompilerTest extends JavaCodeTest {
         Assertions.assertThrows(IllegalStateException.class, () -> {
             JdkCompiler compiler = new JdkCompiler("1.8");
             Class<?> clazz = compiler.compile(JavaCodeTest.class, getSimpleCodeWithoutPackage(), JdkCompiler.class.getClassLoader());
-            Object instance = clazz.newInstance();
+            Object instance = clazz.getDeclaredConstructor().newInstance();
             Method sayHello = instance.getClass().getMethod("sayHello");
             Assertions.assertEquals("Hello world!", sayHello.invoke(instance));
         });
@@ -79,7 +79,7 @@ class JdkCompilerTest extends JavaCodeTest {
         Assertions.assertThrows(IllegalStateException.class, () -> {
             JdkCompiler compiler = new JdkCompiler("1.8");
             Class<?> clazz = compiler.compile(JavaCodeTest.class, getSimpleCodeWithSyntax(), JdkCompiler.class.getClassLoader());
-            Object instance = clazz.newInstance();
+            Object instance = clazz.getDeclaredConstructor().newInstance();
             Method sayHello = instance.getClass().getMethod("sayHello");
             Assertions.assertEquals("Hello world!", sayHello.invoke(instance));
         });
diff --git a/dubbo-common/src/test/java/org/apache/dubbo/common/logger/LoggerAdapterTest.java b/dubbo-common/src/test/java/org/apache/dubbo/common/logger/LoggerAdapterTest.java
index 7d5b82f840..afab9e4c7b 100644
--- a/dubbo-common/src/test/java/org/apache/dubbo/common/logger/LoggerAdapterTest.java
+++ b/dubbo-common/src/test/java/org/apache/dubbo/common/logger/LoggerAdapterTest.java
@@ -31,6 +31,7 @@ import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.stream.Stream;
 
 import static org.hamcrest.CoreMatchers.is;
@@ -49,8 +50,8 @@ class LoggerAdapterTest {
 
     @ParameterizedTest
     @MethodSource("data")
-    public void testGetLogger(Class<? extends LoggerAdapter> loggerAdapterClass, Class<? extends Logger> loggerClass) throws IllegalAccessException, InstantiationException {
-        LoggerAdapter loggerAdapter = loggerAdapterClass.newInstance();
+    void testGetLogger(Class<? extends LoggerAdapter> loggerAdapterClass, Class<? extends Logger> loggerClass) throws IllegalAccessException, InstantiationException, NoSuchMethodException, InvocationTargetException {
+        LoggerAdapter loggerAdapter = loggerAdapterClass.getDeclaredConstructor().newInstance();
         Logger logger = loggerAdapter.getLogger(this.getClass());
         assertThat(logger.getClass().isAssignableFrom(loggerClass), is(true));
 
@@ -61,11 +62,11 @@ class LoggerAdapterTest {
 
     @ParameterizedTest
     @MethodSource("data")
-    public void testLevel(Class<? extends LoggerAdapter> loggerAdapterClass) throws IllegalAccessException, InstantiationException {
-        LoggerAdapter loggerAdapter = loggerAdapterClass.newInstance();
+    void testLevel(Class<? extends LoggerAdapter> loggerAdapterClass) throws IllegalAccessException, InstantiationException, NoSuchMethodException, InvocationTargetException {
+        LoggerAdapter loggerAdapter = loggerAdapterClass.getDeclaredConstructor().newInstance();
         for (Level targetLevel : Level.values()) {
             loggerAdapter.setLevel(targetLevel);
             assertThat(loggerAdapter.getLevel(), is(targetLevel));
         }
     }
-}
\ No newline at end of file
+}
diff --git a/dubbo-common/src/test/java/org/apache/dubbo/common/logger/LoggerTest.java b/dubbo-common/src/test/java/org/apache/dubbo/common/logger/LoggerTest.java
index 98941fe686..e834433c94 100644
--- a/dubbo-common/src/test/java/org/apache/dubbo/common/logger/LoggerTest.java
+++ b/dubbo-common/src/test/java/org/apache/dubbo/common/logger/LoggerTest.java
@@ -26,6 +26,7 @@ import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.stream.Stream;
 
 import static org.hamcrest.CoreMatchers.not;
@@ -47,8 +48,8 @@ class LoggerTest {
 
     @ParameterizedTest
     @MethodSource("data")
-    public void testAllLogMethod(Class<? extends LoggerAdapter> loggerAdapter) throws Exception {
-        LoggerAdapter adapter = loggerAdapter.newInstance();
+    void testAllLogMethod(Class<? extends LoggerAdapter> loggerAdapter) throws Exception {
+        LoggerAdapter adapter = loggerAdapter.getDeclaredConstructor().newInstance();
         adapter.setLevel(Level.ALL);
         Logger logger = adapter.getLogger(this.getClass());
         logger.error("error");
@@ -72,8 +73,8 @@ class LoggerTest {
 
     @ParameterizedTest
     @MethodSource("data")
-    public void testLevelEnable(Class<? extends LoggerAdapter> loggerAdapter) throws IllegalAccessException, InstantiationException {
-        LoggerAdapter adapter = loggerAdapter.newInstance();
+    void testLevelEnable(Class<? extends LoggerAdapter> loggerAdapter) throws IllegalAccessException, InstantiationException, NoSuchMethodException, InvocationTargetException {
+        LoggerAdapter adapter = loggerAdapter.getDeclaredConstructor().newInstance();
         adapter.setLevel(Level.ALL);
         Logger logger = adapter.getLogger(this.getClass());
         assertThat(logger.isWarnEnabled(), not(nullValue()));
@@ -82,4 +83,4 @@ class LoggerTest {
         assertThat(logger.isInfoEnabled(), not(nullValue()));
         assertThat(logger.isDebugEnabled(), not(nullValue()));
     }
-}
\ No newline at end of file
+}
diff --git a/dubbo-common/src/test/java/org/apache/dubbo/common/utils/ReflectUtilsTest.java b/dubbo-common/src/test/java/org/apache/dubbo/common/utils/ReflectUtilsTest.java
index 2b2022e852..15257f253d 100644
--- a/dubbo-common/src/test/java/org/apache/dubbo/common/utils/ReflectUtilsTest.java
+++ b/dubbo-common/src/test/java/org/apache/dubbo/common/utils/ReflectUtilsTest.java
@@ -46,14 +46,14 @@ import static org.junit.jupiter.api.Assertions.fail;
 
 class ReflectUtilsTest {
     @Test
-    void testIsPrimitives() throws Exception {
+    void testIsPrimitives() {
         assertTrue(ReflectUtils.isPrimitives(boolean[].class));
         assertTrue(ReflectUtils.isPrimitives(byte.class));
         assertFalse(ReflectUtils.isPrimitive(Map[].class));
     }
 
     @Test
-    void testIsPrimitive() throws Exception {
+    void testIsPrimitive() {
         assertTrue(ReflectUtils.isPrimitive(boolean.class));
         assertTrue(ReflectUtils.isPrimitive(String.class));
         assertTrue(ReflectUtils.isPrimitive(Boolean.class));
@@ -64,7 +64,7 @@ class ReflectUtilsTest {
     }
 
     @Test
-    void testGetBoxedClass() throws Exception {
+    void testGetBoxedClass() {
         assertThat(ReflectUtils.getBoxedClass(int.class), sameInstance(Integer.class));
         assertThat(ReflectUtils.getBoxedClass(boolean.class), sameInstance(Boolean.class));
         assertThat(ReflectUtils.getBoxedClass(long.class), sameInstance(Long.class));
@@ -544,4 +544,4 @@ class ReflectUtilsTest {
     }
 
 
-}
\ No newline at end of file
+}
diff --git a/dubbo-config/dubbo-config-api/src/test/java/org/apache/dubbo/config/AbstractConfigTest.java b/dubbo-config/dubbo-config-api/src/test/java/org/apache/dubbo/config/AbstractConfigTest.java
index 88b19cf1c4..02e93d69b2 100644
--- a/dubbo-config/dubbo-config-api/src/test/java/org/apache/dubbo/config/AbstractConfigTest.java
+++ b/dubbo-config/dubbo-config-api/src/test/java/org/apache/dubbo/config/AbstractConfigTest.java
@@ -1005,7 +1005,7 @@ class AbstractConfigTest {
                 ModuleConfig.class, SslConfig.class, MetricsConfig.class, MonitorConfig.class, MethodConfig.class);
 
         for (Class<? extends AbstractConfig> configClass : configClasses) {
-            AbstractConfig config = configClass.newInstance();
+            AbstractConfig config = configClass.getDeclaredConstructor().newInstance();
             Map<String, String> metaData = config.getMetaData();
             Assertions.assertEquals(0, metaData.size(), "Expect empty metadata for new instance but found: "+metaData +" of "+configClass.getSimpleName());
             System.out.println(configClass.getSimpleName() + " metadata is checked.");
diff --git a/dubbo-config/dubbo-config-api/src/test/java/org/apache/dubbo/config/ReferenceConfigTest.java b/dubbo-config/dubbo-config-api/src/test/java/org/apache/dubbo/config/ReferenceConfigTest.java
index b55af853c7..e810e35af9 100644
--- a/dubbo-config/dubbo-config-api/src/test/java/org/apache/dubbo/config/ReferenceConfigTest.java
+++ b/dubbo-config/dubbo-config-api/src/test/java/org/apache/dubbo/config/ReferenceConfigTest.java
@@ -1070,7 +1070,7 @@ class ReferenceConfigTest {
         classLoader1.loadedClass.put(resultClazzCustom1.getName(), resultClazzCustom1);
         AtomicReference innerRequestReference = new AtomicReference();
         AtomicReference innerResultReference = new AtomicReference();
-        innerResultReference.set(resultClazzCustom1.newInstance());
+        innerResultReference.set(resultClazzCustom1.getDeclaredConstructor().newInstance());
         Constructor<?> declaredConstructor = clazz1impl.getDeclaredConstructor(AtomicReference.class, AtomicReference.class);
 
         ServiceConfig serviceConfig = new ServiceConfig<>();
@@ -1098,14 +1098,14 @@ class ReferenceConfigTest {
 
         java.lang.reflect.Method callBean1 = object1.getClass().getDeclaredMethod("call", requestClazzOrigin);
         callBean1.setAccessible(true);
-        Object result1 = callBean1.invoke(object1, requestClazzCustom2.newInstance());
+        Object result1 = callBean1.invoke(object1, requestClazzCustom2.getDeclaredConstructor().newInstance());
 
         Assertions.assertEquals(resultClazzCustom3, result1.getClass());
         Assertions.assertNotEquals(classLoader2, result1.getClass().getClassLoader());
         Assertions.assertEquals(classLoader1, innerRequestReference.get().getClass().getClassLoader());
 
         Thread.currentThread().setContextClassLoader(classLoader1);
-        callBean1.invoke(object1, requestClazzCustom2.newInstance());
+        callBean1.invoke(object1, requestClazzCustom2.getDeclaredConstructor().newInstance());
         Assertions.assertEquals(classLoader1, Thread.currentThread().getContextClassLoader());
 
         applicationModel.destroy();
diff --git a/dubbo-filter/dubbo-filter-validation/src/main/java/org/apache/dubbo/validation/support/jvalidation/JValidator.java b/dubbo-filter/dubbo-filter-validation/src/main/java/org/apache/dubbo/validation/support/jvalidation/JValidator.java
index 6c5e14e680..b63fb4b349 100644
--- a/dubbo-filter/dubbo-filter-validation/src/main/java/org/apache/dubbo/validation/support/jvalidation/JValidator.java
+++ b/dubbo-filter/dubbo-filter-validation/src/main/java/org/apache/dubbo/validation/support/jvalidation/JValidator.java
@@ -111,7 +111,7 @@ public class JValidator implements Validator {
             } catch (ClassNotFoundException e) {
                 parameterClass = generateMethodParameterClass(clazz, method, parameterClassName);
             }
-            Object parameterBean = parameterClass.newInstance();
+            Object parameterBean = parameterClass.getDeclaredConstructor().newInstance();
             for (int i = 0; i < args.length; i++) {
                 Field field = parameterClass.getField(method.getName() + "Argument" + i);
                 field.set(parameterBean, args[i]);
diff --git a/dubbo-filter/dubbo-filter-validation/src/main/java/org/apache/dubbo/validation/support/jvalidation/JValidatorNew.java b/dubbo-filter/dubbo-filter-validation/src/main/java/org/apache/dubbo/validation/support/jvalidation/JValidatorNew.java
index 542bf33e3c..96dcc12666 100644
--- a/dubbo-filter/dubbo-filter-validation/src/main/java/org/apache/dubbo/validation/support/jvalidation/JValidatorNew.java
+++ b/dubbo-filter/dubbo-filter-validation/src/main/java/org/apache/dubbo/validation/support/jvalidation/JValidatorNew.java
@@ -111,7 +111,7 @@ public class JValidatorNew implements Validator {
             } catch (ClassNotFoundException e) {
                 parameterClass = generateMethodParameterClass(clazz, method, parameterClassName);
             }
-            Object parameterBean = parameterClass.newInstance();
+            Object parameterBean = parameterClass.getDeclaredConstructor().newInstance();
             for (int i = 0; i < args.length; i++) {
                 Field field = parameterClass.getField(method.getName() + "Argument" + i);
                 field.set(parameterBean, args[i]);
diff --git a/dubbo-plugin/dubbo-spring-security/src/main/java/org/apache/dubbo/spring/security/jackson/ObjectMapperCodec.java b/dubbo-plugin/dubbo-spring-security/src/main/java/org/apache/dubbo/spring/security/jackson/ObjectMapperCodec.java
index d2ddab3d38..470ee6f57f 100644
--- a/dubbo-plugin/dubbo-spring-security/src/main/java/org/apache/dubbo/spring/security/jackson/ObjectMapperCodec.java
+++ b/dubbo-plugin/dubbo-spring-security/src/main/java/org/apache/dubbo/spring/security/jackson/ObjectMapperCodec.java
@@ -103,7 +103,7 @@ public class ObjectMapperCodec {
         for (String moduleClassName : jacksonModuleClassNameList) {
             try {
                 SimpleModule objectMapperModule = (SimpleModule) ClassUtils.forName(moduleClassName,
-                    ObjectMapperCodec.class.getClassLoader()).newInstance();
+                    ObjectMapperCodec.class.getClassLoader()).getDeclaredConstructor().newInstance();
                 mapper.registerModule(objectMapperModule);
 
             } catch (Throwable ex) {
diff --git a/dubbo-remoting/dubbo-remoting-http/src/test/java/org/apache/dubbo/remoting/http/jetty/JettyLoggerAdapterTest.java b/dubbo-remoting/dubbo-remoting-http/src/test/java/org/apache/dubbo/remoting/http/jetty/JettyLoggerAdapterTest.java
index b300b27279..8557f32e45 100644
--- a/dubbo-remoting/dubbo-remoting-http/src/test/java/org/apache/dubbo/remoting/http/jetty/JettyLoggerAdapterTest.java
+++ b/dubbo-remoting/dubbo-remoting-http/src/test/java/org/apache/dubbo/remoting/http/jetty/JettyLoggerAdapterTest.java
@@ -67,7 +67,7 @@ class JettyLoggerAdapterTest {
     void testSuccessLogger() throws Exception{
         Logger successLogger = mock(Logger.class);
         Class<?> clazz = Class.forName("org.apache.dubbo.remoting.http.jetty.JettyLoggerAdapter");
-        JettyLoggerAdapter jettyLoggerAdapter = (JettyLoggerAdapter) clazz.newInstance();
+        JettyLoggerAdapter jettyLoggerAdapter = (JettyLoggerAdapter) clazz.getDeclaredConstructor().newInstance();
 
         Field loggerField = clazz.getDeclaredField("logger");
         loggerField.setAccessible(true);
@@ -116,7 +116,7 @@ class JettyLoggerAdapterTest {
     @Test
     void testLoggerFormat() throws Exception{
         Class<?> clazz = Class.forName("org.apache.dubbo.remoting.http.jetty.JettyLoggerAdapter");
-        Object newInstance = clazz.newInstance();
+        Object newInstance = clazz.getDeclaredConstructor().newInstance();
 
         Method method = clazz.getDeclaredMethod("format", String.class, Object[].class);
         method.setAccessible(true);
diff --git a/dubbo-remoting/dubbo-remoting-netty4/src/test/java/org/apache/dubbo/remoting/transport/netty4/RpcMessageHandler.java b/dubbo-remoting/dubbo-remoting-netty4/src/test/java/org/apache/dubbo/remoting/transport/netty4/RpcMessageHandler.java
index 76e63bd7e1..6912a5b7a6 100755
--- a/dubbo-remoting/dubbo-remoting-netty4/src/test/java/org/apache/dubbo/remoting/transport/netty4/RpcMessageHandler.java
+++ b/dubbo-remoting/dubbo-remoting-netty4/src/test/java/org/apache/dubbo/remoting/transport/netty4/RpcMessageHandler.java
@@ -34,7 +34,7 @@ public class RpcMessageHandler implements Replier<RpcMessage> {
             String impl = service + "Impl";
             try {
                 Class<?> cl = Thread.currentThread().getContextClassLoader().loadClass(impl);
-                return cl.newInstance();
+                return cl.getDeclaredConstructor().newInstance();
             } catch (Exception e) {
                 e.printStackTrace();
             }
diff --git a/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/GenericImplFilter.java b/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/GenericImplFilter.java
index f2b5041f93..c21fa3d1f9 100644
--- a/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/GenericImplFilter.java
+++ b/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/GenericImplFilter.java
@@ -155,7 +155,7 @@ public class GenericImplFilter implements Filter, Filter.Listener {
                             // find the real interface from url
                             String realInterface = invoker.getUrl().getParameter(Constants.INTERFACE);
                             invokerInterface = ReflectUtils.forName(realInterface);
-                        } catch (Throwable e) {
+                        } catch (Exception e) {
                             // ignore
                         }
                     }
@@ -186,7 +186,7 @@ public class GenericImplFilter implements Filter, Filter.Listener {
                     Throwable targetException = null;
                     Throwable lastException = null;
                     try {
-                        targetException = (Throwable) clazz.newInstance();
+                        targetException = (Throwable) clazz.getDeclaredConstructor().newInstance();
                     } catch (Throwable e) {
                         lastException = e;
                         for (Constructor<?> constructor : clazz.getConstructors()) {
diff --git a/dubbo-rpc/dubbo-rpc-injvm/src/test/java/org/apache/dubbo/rpc/protocol/injvm/InjvmClassLoaderTest.java b/dubbo-rpc/dubbo-rpc-injvm/src/test/java/org/apache/dubbo/rpc/protocol/injvm/InjvmClassLoaderTest.java
index 98af4c313b..a12c1893a5 100644
--- a/dubbo-rpc/dubbo-rpc-injvm/src/test/java/org/apache/dubbo/rpc/protocol/injvm/InjvmClassLoaderTest.java
+++ b/dubbo-rpc/dubbo-rpc-injvm/src/test/java/org/apache/dubbo/rpc/protocol/injvm/InjvmClassLoaderTest.java
@@ -75,7 +75,7 @@ class InjvmClassLoaderTest {
         // AtomicReference to cache request/response of provider
         AtomicReference innerRequestReference = new AtomicReference();
         AtomicReference innerResultReference = new AtomicReference();
-        innerResultReference.set(resultClazzCustom1.newInstance());
+        innerResultReference.set(resultClazzCustom1.getDeclaredConstructor().newInstance());
         Constructor<?> declaredConstructor = clazz1impl.getDeclaredConstructor(AtomicReference.class, AtomicReference.class);
 
 
@@ -116,7 +116,7 @@ class InjvmClassLoaderTest {
 
         java.lang.reflect.Method callBean1 = object1.getClass().getDeclaredMethod("call", requestClazzOrigin);
         callBean1.setAccessible(true);
-        Object result1 = callBean1.invoke(object1, requestClazzCustom2.newInstance());
+        Object result1 = callBean1.invoke(object1, requestClazzCustom2.getDeclaredConstructor().newInstance());
 
         // invoke result should load from classLoader3 ( sub classLoader of classLoader2 --> consumer side classLoader)
         Assertions.assertEquals(resultClazzCustom3, result1.getClass());
diff --git a/dubbo-rpc/dubbo-rpc-rest/src/main/java/org/apache/dubbo/rpc/protocol/rest/util/MultiValueCreator.java b/dubbo-rpc/dubbo-rpc-rest/src/main/java/org/apache/dubbo/rpc/protocol/rest/util/MultiValueCreator.java
index 5c6bf2ac9e..e64f47af73 100644
--- a/dubbo-rpc/dubbo-rpc-rest/src/main/java/org/apache/dubbo/rpc/protocol/rest/util/MultiValueCreator.java
+++ b/dubbo-rpc/dubbo-rpc-rest/src/main/java/org/apache/dubbo/rpc/protocol/rest/util/MultiValueCreator.java
@@ -35,7 +35,7 @@ public class MultiValueCreator {
 
     public static Object createMultiValueMap() {
         try {
-            return multiValueMapClass.newInstance();
+            return multiValueMapClass.getDeclaredConstructor().newInstance();
         } catch (Exception e) {
 
         }