Dubbo-3473 Fix Not Properly Closed Resources (#3474)

dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/GenericFilter.java

@@ -76,8 +76,7 @@ public class GenericFilter implements Filter {
                 } else if (ProtocolUtils.isJavaGenericSerialization(generic)) {
                     for (int i = 0; i < args.length; i++) {
                         if (byte[].class == args[i].getClass()) {
-                            try {
-                                UnsafeByteArrayInputStream is = new UnsafeByteArrayInputStream((byte[]) args[i]);
+                            try(UnsafeByteArrayInputStream is = new UnsafeByteArrayInputStream((byte[]) args[i])) {
                                 args[i] = ExtensionLoader.getExtensionLoader(Serialization.class)
                                         .getExtension(Constants.GENERIC_SERIALIZATION_NATIVE_JAVA)
                                         .deserialize(null, is).readObject();

dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/telnet/LogTelnetHandler.java

@@ -55,8 +55,7 @@ public class LogTelnetHandler implements TelnetHandler {
                 int showLogLength = Integer.parseInt(str[0]);
 
                 if (file != null && file.exists()) {
-                    try {
-                        FileInputStream fis = new FileInputStream(file);
+                    try(FileInputStream fis = new FileInputStream(file)) {
                         FileChannel filechannel = fis.getChannel();
                         size = filechannel.size();
                         ByteBuffer bb;