该错误信息 cannot deserialize instance of java.lang.Boolean out of START_OBJECT token 通常发生在JSON数据反序列化过程中,尤其是在使用Jackson这样的库进行数据处理时。它表示Jackson试图将一个JSON对象(由START_OBJECT令牌标识)转换为一个Java基本类型Boolean,这是不兼容的。
START_OBJECT token\n at [Source: (PushbackInputStream); line: 1, column: 1]", "trace": "org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Cannot deserialize instance of `java.lang.Boolean` out of START_OBJECT token; nested exception is com.fasterxml....
[WARN] org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver - Failed to read HTTP message: org.springframework.http.converter.HttpMessageNotReadableException: Could not read document: Can not deserialize instance of java.lang.String out of START_OBJECT token at [Source: java.io...
publicbooleanequals(Object anObject){if(this==anObject){returntrue;}if(anObjectinstanceofString){String anotherString=(String)anObject;int n=value.length;if(n==anotherString.value.length){char v1[]=value;char v2[]=anotherString.value;int i=0;while(n--!=0){if(v1[i]!=v2[i])returnfa...
In JDK 12, two new token options for the java.security.manager system property, "allow" and "disallow", were introduced. Many applications and frameworks are designed to run on multiple JDKs. For those that enable the SecurityManager at runtime via System.setSecurityManager, they have to speci...
public static void check(final boolean expression, final String message, final Object arg) { if (!expression) { throw new IllegalStateException(String.format(message, arg)); } } SpringDataElasticsearch 和ES-SERVER 是长链接,只要报了OOM,当前和 ES-SERVER 的连接线程都将报异常,也就是说,虽然OOM...
要在Spring Security 中实现基于 JWT(JSON Web Token)的认证,需要执行以下步骤: 引入JWT 相关依赖,如jjwt。 实现一个用于生成和解析 JWT 的工具类。 创建一个自定义的AuthenticationFilter,用于从请求头中提取 JWT 并进行认证。 在SecurityConfig类中配置HttpSecurity,将自定义的AuthenticationFilter添加到过滤器链。
(Inherited from Object) Lineno() Return the current line number. LowerCaseMode(Boolean) Determines whether or not word token are automatically lowercased. NextToken() Parses the next token from the input stream of this tokenizer. Notify() Wakes up a single thread that is waiting on this ...
Change in javax.smartcardio.Card.disconnect(boolean reset) method behaviorPrior to the JDK 8u20 and JDK 7u72 releases, the javax.smartcardio.Card.disconnect(boolean reset) method had inverted logic for the 'reset' boolean value passed to it. The card was reset upon a disconnect if false was...
T PowerMockito.spy(T object);用途:用于模拟对象的部分方法。案例: public class UserService { private Long superUserId; public boolean isNotSuperUser(Long userId) { return !isSuperUser(userId); } public boolean isSuperUser(Long userId) { return Objects.equals(userId, superUserId); } } @...