diff --git a/hsweb-authorization/hsweb-authorization-api/src/main/java/org/hswebframework/web/authorization/exception/AuthenticationException.java b/hsweb-authorization/hsweb-authorization-api/src/main/java/org/hswebframework/web/authorization/exception/AuthenticationException.java
index 767166d5e..f5079ccf9 100644
--- a/hsweb-authorization/hsweb-authorization-api/src/main/java/org/hswebframework/web/authorization/exception/AuthenticationException.java
+++ b/hsweb-authorization/hsweb-authorization-api/src/main/java/org/hswebframework/web/authorization/exception/AuthenticationException.java
@@ -27,4 +27,26 @@ public class AuthenticationException extends I18nSupportException {
         super(message, cause);
         this.code = code;
     }
+
+    /**
+     * 不填充线程栈的异常，在一些对线程栈不敏感，且对异常不可控（如: 来自未认证请求产生的异常）的情况下不填充线程栈对性能有利。
+     */
+    public static class NoStackTrace extends AuthenticationException {
+        public NoStackTrace(String code) {
+            super(code);
+        }
+
+        public NoStackTrace(String code, String message) {
+            super(code, message);
+        }
+
+        public NoStackTrace(String code, String message, Throwable cause) {
+            super(code, message, cause);
+        }
+
+        @Override
+        public final synchronized Throwable fillInStackTrace() {
+            return this;
+        }
+    }
 }
diff --git a/hsweb-authorization/hsweb-authorization-api/src/main/java/org/hswebframework/web/authorization/exception/UnAuthorizedException.java b/hsweb-authorization/hsweb-authorization-api/src/main/java/org/hswebframework/web/authorization/exception/UnAuthorizedException.java
index 75dd34fd6..e2bf61fe5 100644
--- a/hsweb-authorization/hsweb-authorization-api/src/main/java/org/hswebframework/web/authorization/exception/UnAuthorizedException.java
+++ b/hsweb-authorization/hsweb-authorization-api/src/main/java/org/hswebframework/web/authorization/exception/UnAuthorizedException.java
@@ -18,6 +18,7 @@
 
 package org.hswebframework.web.authorization.exception;
 
+import lombok.Getter;
 import org.hswebframework.web.authorization.token.TokenState;
 import org.hswebframework.web.exception.I18nSupportException;
 import org.springframework.http.HttpStatus;
@@ -29,6 +30,7 @@ import org.springframework.web.bind.annotation.ResponseStatus;
  * @author zhouhao
  * @since 3.0
  */
+@Getter
 @ResponseStatus(HttpStatus.UNAUTHORIZED)
 public class UnAuthorizedException extends I18nSupportException {
     private static final long serialVersionUID = 2422918455013900645L;
@@ -53,7 +55,29 @@ public class UnAuthorizedException extends I18nSupportException {
         this.state = state;
     }
 
-    public TokenState getState() {
-        return state;
+    /**
+     * 不填充线程栈的异常，在一些对线程栈不敏感，且对异常不可控（如: 来自未认证请求产生的异常）的情况下不填充线程栈对性能有利。
+     */
+    public static class NoStackTrace extends UnAuthorizedException {
+        public NoStackTrace() {
+            super();
+        }
+
+        public NoStackTrace(TokenState state) {
+            super(state);
+        }
+
+        public NoStackTrace(String message, TokenState state) {
+            super(message, state);
+        }
+
+        public NoStackTrace(String message, TokenState state, Throwable cause) {
+            super(message, state, cause);
+        }
+
+        @Override
+        public final synchronized Throwable fillInStackTrace() {
+            return this;
+        }
     }
 }
diff --git a/hsweb-authorization/hsweb-authorization-basic/src/main/java/org/hswebframework/web/authorization/basic/web/AuthorizationController.java b/hsweb-authorization/hsweb-authorization-basic/src/main/java/org/hswebframework/web/authorization/basic/web/AuthorizationController.java
index 3d7351e3a..8ac82b20b 100644
--- a/hsweb-authorization/hsweb-authorization-basic/src/main/java/org/hswebframework/web/authorization/basic/web/AuthorizationController.java
+++ b/hsweb-authorization/hsweb-authorization-basic/src/main/java/org/hswebframework/web/authorization/basic/web/AuthorizationController.java
@@ -131,12 +131,12 @@ public class AuthorizationController {
             } else {
                 authenticationMono = ReactiveAuthenticationHolder
                         .get(event.getUserId())
-                        .switchIfEmpty(Mono.error(() -> new AuthenticationException(AuthenticationException.USER_DISABLED)));
+                        .switchIfEmpty(Mono.error(() -> new AuthenticationException.NoStackTrace(AuthenticationException.USER_DISABLED)));
             }
         } else {
             authenticationMono = authenticationManager
                     .authenticate(Mono.just(new PlainTextUsernamePasswordAuthenticationRequest(event.getUsername(), event.getPassword())))
-                    .switchIfEmpty(Mono.error(() -> new AuthenticationException(AuthenticationException.ILLEGAL_PASSWORD)));
+                    .switchIfEmpty(Mono.error(() -> new AuthenticationException.NoStackTrace(AuthenticationException.ILLEGAL_PASSWORD)));
         }
         return authenticationMono;
     }
diff --git a/hsweb-authorization/hsweb-authorization-oauth2/src/main/java/org/hswebframework/web/oauth2/OAuth2Exception.java b/hsweb-authorization/hsweb-authorization-oauth2/src/main/java/org/hswebframework/web/oauth2/OAuth2Exception.java
index 41d8a62a5..8a87b07b6 100644
--- a/hsweb-authorization/hsweb-authorization-oauth2/src/main/java/org/hswebframework/web/oauth2/OAuth2Exception.java
+++ b/hsweb-authorization/hsweb-authorization-oauth2/src/main/java/org/hswebframework/web/oauth2/OAuth2Exception.java
@@ -2,6 +2,7 @@ package org.hswebframework.web.oauth2;
 
 import lombok.Getter;
 import org.hswebframework.web.exception.BusinessException;
+import org.hswebframework.web.exception.I18nSupportException;
 
 @Getter
 public class OAuth2Exception extends BusinessException {
@@ -16,4 +17,22 @@ public class OAuth2Exception extends BusinessException {
         super(message, cause);
         this.type = type;
     }
+
+    /**
+     * 不填充线程栈的异常，在一些对线程栈不敏感，且对异常不可控（如: 来自未认证请求产生的异常）的情况下不填充线程栈对性能有利。
+     */
+    public static class NoStackTrace extends OAuth2Exception {
+        public NoStackTrace(ErrorType type) {
+            super(type);
+        }
+
+        public NoStackTrace(String message, Throwable cause, ErrorType type) {
+            super(message, cause, type);
+        }
+
+        @Override
+        public final synchronized Throwable fillInStackTrace() {
+            return this;
+        }
+    }
 }
diff --git a/hsweb-authorization/hsweb-authorization-oauth2/src/main/java/org/hswebframework/web/oauth2/server/OAuth2Client.java b/hsweb-authorization/hsweb-authorization-oauth2/src/main/java/org/hswebframework/web/oauth2/server/OAuth2Client.java
index d231171a5..c3205c28c 100644
--- a/hsweb-authorization/hsweb-authorization-oauth2/src/main/java/org/hswebframework/web/oauth2/server/OAuth2Client.java
+++ b/hsweb-authorization/hsweb-authorization-oauth2/src/main/java/org/hswebframework/web/oauth2/server/OAuth2Client.java
@@ -4,6 +4,7 @@ import lombok.Getter;
 import lombok.Setter;
 import org.hswebframework.web.oauth2.ErrorType;
 import org.hswebframework.web.oauth2.OAuth2Exception;
+import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
 
 import javax.validation.constraints.NotBlank;
@@ -30,13 +31,13 @@ public class OAuth2Client {
     private String userId;
 
     public void validateRedirectUri(String redirectUri) {
-        if (StringUtils.isEmpty(redirectUri) || (!redirectUri.startsWith(this.redirectUrl))) {
+        if (ObjectUtils.isEmpty(redirectUri) || (!redirectUri.startsWith(this.redirectUrl))) {
             throw new OAuth2Exception(ErrorType.ILLEGAL_REDIRECT_URI);
         }
     }
 
     public void validateSecret(String secret) {
-        if (StringUtils.isEmpty(secret) || (!secret.equals(this.clientSecret))) {
+        if (ObjectUtils.isEmpty(secret) || (!secret.equals(this.clientSecret))) {
             throw new OAuth2Exception(ErrorType.ILLEGAL_CLIENT_SECRET);
         }
     }
diff --git a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/service/ReactiveTreeSortEntityService.java b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/service/ReactiveTreeSortEntityService.java
index 3003bee8b..6e4c6742c 100644
--- a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/service/ReactiveTreeSortEntityService.java
+++ b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/service/ReactiveTreeSortEntityService.java
@@ -201,7 +201,7 @@ public interface ReactiveTreeSortEntityService<E extends TreeSortSupportEntity<K
                 .queryIncludeChildren(Collections.singletonList(id))
                 .doOnNext(e -> {
                     if (Objects.equals(ele.getParentId(), e.getId())) {
-                        throw new ValidationException("parentId", "error.tree_entity_cyclic_dependency");
+                        throw new ValidationException.NoStackTrace("parentId", "error.tree_entity_cyclic_dependency");
                     }
                 })
                 .then(Mono.just(ele));
diff --git a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/QueryController.java b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/QueryController.java
index 98ec2cc13..5bb2b4f3a 100644
--- a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/QueryController.java
+++ b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/QueryController.java
@@ -169,7 +169,7 @@ public interface QueryController<E, K> {
     default E getById(@PathVariable K id) {
        return getRepository()
                 .findById(id)
-               .orElseThrow(NotFoundException::new);
+               .orElseThrow(NotFoundException.NoStackTrace::new);
     }
 
 }
diff --git a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveDeleteController.java b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveDeleteController.java
index 9bfa0672c..75f06da11 100644
--- a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveDeleteController.java
+++ b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveDeleteController.java
@@ -19,7 +19,7 @@ public interface ReactiveDeleteController<E, K> {
     default Mono<E> delete(@PathVariable K id) {
         return getRepository()
                 .findById(Mono.just(id))
-                .switchIfEmpty(Mono.error(NotFoundException::new))
+                .switchIfEmpty(Mono.error(NotFoundException.NoStackTrace::new))
                 .flatMap(e -> getRepository()
                         .deleteById(Mono.just(id))
                         .thenReturn(e));
diff --git a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveQueryController.java b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveQueryController.java
index b568cad64..6f9e2b5cc 100644
--- a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveQueryController.java
+++ b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveQueryController.java
@@ -160,7 +160,7 @@ public interface ReactiveQueryController<E, K> {
     default Mono<E> getById(@PathVariable K id) {
         return getRepository()
                 .findById(Mono.just(id))
-                .switchIfEmpty(Mono.error(NotFoundException::new));
+                .switchIfEmpty(Mono.error(NotFoundException.NoStackTrace::new));
     }
 
 }
diff --git a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveServiceDeleteController.java b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveServiceDeleteController.java
index 7908d9659..ba3074f0e 100644
--- a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveServiceDeleteController.java
+++ b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveServiceDeleteController.java
@@ -19,7 +19,7 @@ public interface ReactiveServiceDeleteController<E, K> {
     default Mono<E> delete(@PathVariable K id) {
         return getService()
                 .findById(Mono.just(id))
-                .switchIfEmpty(Mono.error(NotFoundException::new))
+                .switchIfEmpty(Mono.error(NotFoundException.NoStackTrace::new))
                 .flatMap(e -> getService()
                         .deleteById(Mono.just(id))
                         .thenReturn(e));
diff --git a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveServiceQueryController.java b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveServiceQueryController.java
index d798dacad..ad641ba18 100644
--- a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveServiceQueryController.java
+++ b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/web/reactive/ReactiveServiceQueryController.java
@@ -240,7 +240,7 @@ public interface ReactiveServiceQueryController<E, K> {
     default Mono<E> getById(@PathVariable K id) {
         return getService()
                 .findById(id)
-                .switchIfEmpty(Mono.error(NotFoundException::new));
+                .switchIfEmpty(Mono.error(NotFoundException.NoStackTrace::new));
     }
 
 }
diff --git a/hsweb-core/src/main/java/org/hswebframework/web/exception/BusinessException.java b/hsweb-core/src/main/java/org/hswebframework/web/exception/BusinessException.java
index 16a09d7a7..a74b541de 100644
--- a/hsweb-core/src/main/java/org/hswebframework/web/exception/BusinessException.java
+++ b/hsweb-core/src/main/java/org/hswebframework/web/exception/BusinessException.java
@@ -26,12 +26,11 @@ import lombok.Getter;
  * @author zhouhao
  * @since 2.0
  */
+@Getter
 public class BusinessException extends I18nSupportException {
     private static final long serialVersionUID = 5441923856899380112L;
 
-    @Getter
     private int status = 500;
-    @Getter
     private String code;
 
     public BusinessException(String message) {
@@ -62,4 +61,40 @@ public class BusinessException extends I18nSupportException {
         super(message, cause);
         this.status = status;
     }
+
+    /**
+     * 不填充线程栈的异常，在一些对线程栈不敏感，且对异常不可控（如: 来自未认证请求产生的异常）的情况下不填充线程栈对性能有利。
+     */
+    public static class NoStackTrace extends BusinessException {
+        public NoStackTrace(String message) {
+            this(message, 500);
+        }
+
+        public NoStackTrace(String message, int status, Object... args) {
+            this(message, null, status, args);
+        }
+
+        public NoStackTrace(String message, String code) {
+            this(message, code, 500);
+        }
+
+        public NoStackTrace(String message, String code, int status, Object... args) {
+            super(message, code, status, args);
+
+        }
+
+        public NoStackTrace(String message, Throwable cause) {
+            super(message, cause);
+        }
+
+        public NoStackTrace(String message, Throwable cause, int status) {
+            super(message, cause, status);
+        }
+
+
+        @Override
+        public final synchronized Throwable fillInStackTrace() {
+            return this;
+        }
+    }
 }
diff --git a/hsweb-core/src/main/java/org/hswebframework/web/exception/I18nSupportException.java b/hsweb-core/src/main/java/org/hswebframework/web/exception/I18nSupportException.java
index c5cada337..9a5e8a787 100644
--- a/hsweb-core/src/main/java/org/hswebframework/web/exception/I18nSupportException.java
+++ b/hsweb-core/src/main/java/org/hswebframework/web/exception/I18nSupportException.java
@@ -9,7 +9,6 @@ import org.springframework.util.StringUtils;
 import reactor.core.publisher.Mono;
 
 import java.util.Locale;
-import java.util.Objects;
 
 /**
  * 支持国际化消息的异常,code为
@@ -68,8 +67,8 @@ public class I18nSupportException extends TraceSourceException {
 
     public final Mono<String> getLocalizedMessageReactive() {
         return LocaleUtils
-                .currentReactive()
-                .map(this::getLocalizedMessage);
+            .currentReactive()
+            .map(this::getLocalizedMessage);
     }
 
     public static String tryGetLocalizedMessage(Throwable error, Locale locale) {
@@ -93,7 +92,25 @@ public class I18nSupportException extends TraceSourceException {
 
     public static Mono<String> tryGetLocalizedMessageReactive(Throwable error) {
         return LocaleUtils
-                .currentReactive()
-                .map(locale -> tryGetLocalizedMessage(error, locale));
+            .currentReactive()
+            .map(locale -> tryGetLocalizedMessage(error, locale));
+    }
+
+    /**
+     * 不填充线程栈的异常，在一些对线程栈不敏感，且对异常不可控（如: 来自未认证请求产生的异常）的情况下不填充线程栈对性能有利。
+     */
+    public static class NoStackTrace extends I18nSupportException {
+        public NoStackTrace(String code, Object... args) {
+            super(code, args);
+        }
+
+        public NoStackTrace(String code, Throwable cause, Object... args) {
+            super(code, cause, args);
+        }
+
+        @Override
+        public final synchronized Throwable fillInStackTrace() {
+            return this;
+        }
     }
 }
diff --git a/hsweb-core/src/main/java/org/hswebframework/web/exception/NotFoundException.java b/hsweb-core/src/main/java/org/hswebframework/web/exception/NotFoundException.java
index b005303e4..bcfabe713 100644
--- a/hsweb-core/src/main/java/org/hswebframework/web/exception/NotFoundException.java
+++ b/hsweb-core/src/main/java/org/hswebframework/web/exception/NotFoundException.java
@@ -31,4 +31,22 @@ public class NotFoundException extends BusinessException {
     public NotFoundException() {
         this("error.not_found");
     }
+
+    /**
+     * 不填充线程栈的异常，在一些对线程栈不敏感，且对异常不可控（如: 来自未认证请求产生的异常）的情况下不填充线程栈对性能有利。
+     */
+    public static class NoStackTrace extends NotFoundException {
+        public NoStackTrace(String code, Object... args) {
+            super(code, args);
+        }
+
+        public NoStackTrace() {
+            super();
+        }
+
+        @Override
+        public final synchronized Throwable fillInStackTrace() {
+            return this;
+        }
+    }
 }
diff --git a/hsweb-core/src/main/java/org/hswebframework/web/exception/ValidationException.java b/hsweb-core/src/main/java/org/hswebframework/web/exception/ValidationException.java
index 97d61f2c7..370b974bc 100644
--- a/hsweb-core/src/main/java/org/hswebframework/web/exception/ValidationException.java
+++ b/hsweb-core/src/main/java/org/hswebframework/web/exception/ValidationException.java
@@ -49,8 +49,8 @@ public class ValidationException extends I18nSupportException {
         //{0} 属性 ，{1} 验证消息
         //property也支持国际化?
         String propertyI18n = propertyI18nEnabled ?
-                first.getRootBeanClass().getName() + "." + property
-                : property;
+            first.getRootBeanClass().getName() + "." + property
+            : property;
 
         setArgs(new Object[]{propertyI18n, first.getMessage()});
 
@@ -64,11 +64,11 @@ public class ValidationException extends I18nSupportException {
 
     public List<Detail> getDetails(Locale locale) {
         return CollectionUtils.isEmpty(details)
-                ? Collections.emptyList()
-                : details
-                .stream()
-                .map(detail -> detail.translateI18n(locale))
-                .collect(Collectors.toList());
+            ? Collections.emptyList()
+            : details
+            .stream()
+            .map(detail -> detail.translateI18n(locale))
+            .collect(Collectors.toList());
     }
 
     @Override
@@ -102,4 +102,31 @@ public class ValidationException extends I18nSupportException {
             return this;
         }
     }
+
+    /**
+     * 不填充线程栈的异常，在一些对线程栈不敏感，且对异常不可控（如: 来自未认证请求产生的异常）的情况下不填充线程栈对性能有利。
+     */
+    public static class NoStackTrace extends ValidationException {
+        public NoStackTrace(String message) {
+            super(message);
+        }
+
+        public NoStackTrace(String property, String message, Object... args) {
+            super(property, message, args);
+        }
+
+        public NoStackTrace(String message, List<Detail> details, Object... args) {
+            super(message, details, args);
+
+        }
+
+        public NoStackTrace(Set<? extends ConstraintViolation<?>> violations) {
+            super(violations);
+        }
+
+        @Override
+        public final synchronized Throwable fillInStackTrace() {
+            return this;
+        }
+    }
 }
diff --git a/hsweb-system/hsweb-system-authorization/hsweb-system-authorization-default/src/main/java/org/hswebframework/web/system/authorization/defaults/service/DefaultReactiveAuthenticationManager.java b/hsweb-system/hsweb-system-authorization/hsweb-system-authorization-default/src/main/java/org/hswebframework/web/system/authorization/defaults/service/DefaultReactiveAuthenticationManager.java
index 20f134621..9d5d64955 100644
--- a/hsweb-system/hsweb-system-authorization/hsweb-system-authorization-default/src/main/java/org/hswebframework/web/system/authorization/defaults/service/DefaultReactiveAuthenticationManager.java
+++ b/hsweb-system/hsweb-system-authorization/hsweb-system-authorization-default/src/main/java/org/hswebframework/web/system/authorization/defaults/service/DefaultReactiveAuthenticationManager.java
@@ -58,7 +58,6 @@ public class DefaultReactiveAuthenticationManager implements ReactiveAuthenticat
     public Mono<Authentication> authenticate(Mono<AuthenticationRequest> request) {
         return request
                 .filter(PlainTextUsernamePasswordAuthenticationRequest.class::isInstance)
-                .switchIfEmpty(Mono.error(() -> new UnsupportedOperationException("不支持的请求类型")))
                 .map(PlainTextUsernamePasswordAuthenticationRequest.class::cast)
                 .flatMap(pwdRequest -> reactiveUserService.findByUsernameAndPassword(pwdRequest.getUsername(), pwdRequest.getPassword()))
                 .filter(user -> Byte.valueOf((byte) 1).equals(user.getStatus()))
diff --git a/hsweb-system/hsweb-system-authorization/hsweb-system-authorization-default/src/main/java/org/hswebframework/web/system/authorization/defaults/service/DefaultReactiveUserService.java b/hsweb-system/hsweb-system-authorization/hsweb-system-authorization-default/src/main/java/org/hswebframework/web/system/authorization/defaults/service/DefaultReactiveUserService.java
index 3256c4d93..a7aaae404 100644
--- a/hsweb-system/hsweb-system-authorization/hsweb-system-authorization-default/src/main/java/org/hswebframework/web/system/authorization/defaults/service/DefaultReactiveUserService.java
+++ b/hsweb-system/hsweb-system-authorization/hsweb-system-authorization-default/src/main/java/org/hswebframework/web/system/authorization/defaults/service/DefaultReactiveUserService.java
@@ -188,7 +188,7 @@ public class DefaultReactiveUserService extends GenericReactiveCrudService<UserE
     public Mono<Boolean> changePassword(String userId, String oldPassword, String newPassword) {
         passwordValidator.validate(newPassword);
         return findById(userId)
-                .switchIfEmpty(Mono.error(NotFoundException::new))
+                .switchIfEmpty(Mono.error(NotFoundException.NoStackTrace::new))
                 .filter(user -> passwordEncoder.encode(oldPassword, user.getSalt()).equals(user.getPassword()))
                 .switchIfEmpty(Mono.error(() -> new ValidationException("error.illegal_user_password")))
                 .flatMap(old -> {