【java.lang.String & java.lang.StringBuilder】的更多相关文章

java.lang.String & java.lang.StringBuilder

java.lang.String & java.lang.StringBuilder String 成员方法 作用 public charAr(int index) 返回给定位置的代码单元 public codePointAt(int index) 返回给定位置的码点 int compareTo(String other) 根据字典序,如果this在other前,返回正数,在后返回负数,相等返回0;和常量比较时,应该把常量写在前面,防止空指针异常 boolean equals(String ot…

Java.lang.NoSuchMethodError: org.slf4j.spi.LocationAwareLogger.log(Lorg/slf4j/Marker;Ljava/lang/String;ILjava/lang/String;[Ljava/lang/Object;Ljava/lang/Throwable;)V

今天接入激光推送,一直报错: Java.lang.NoSuchMethodError: org.slf4j.spi.LocationAwareLogger.log(Lorg/slf4j/Marker;Ljava/lang/String;ILjava/lang/String;[Ljava/lang/Object;Ljava/lang/Throwable;)V 解决方法: 其中一种冲突可能:jcl-over-slf4j-1.5.6.jar包与commons-logging-1.1.3.jar包起了冲…

SpringBoot报错：nested exception is org.apache.ibatis.executor.ExecutorException: No constructor found in com.tuyrk.test.User matching [java.lang.Long, java.lang.String, java.lang.String]

错误提示: Caused by: org.apache.ibatis.executor.ExecutorException: No constructor found in com.tuyrk._161_java_socket.project6.entity.User matching [java.lang.Long, java.lang.String, java.lang.String] 这里就有点坑了,明明提示的是没有三个参数的构造函数,然而我添加上三个参数的构造函数还是报错 解决方法: 添…

Handler processing failed; nested exception is java.lang.NoSuchMethodError: org.apache.commons.codec.digest.DigestUtils.sha1Hex(Ljava/lang/String;)Ljava/lang/String;

异常:Handler processing failed; nested exception is java.lang.NoSuchMethodError: org.apache.commons.codec.digest.DigestUtils.sha1Hex(Ljava/lang/String;)Ljava/lang/String; 一般是jar包冲突,造成Java对象找到多个相同方法或变量不知道哪个正确,或者是直接找不到正确的可使用的,才会报出类似的错误, 回头想一想刚才修改了pom文件中哪…

java.lang.NoSuchMethodError: org.objectweb.asm.ClassVisitor.visit(IILjava/lang/String;Ljava/lang/String;[Ljava/lang/String;Ljava/lang/String;)V

异常完整信息 严重: Servlet.service() for servlet RegServlet threw exception java.lang.NoSuchMethodError: org.objectweb.asm.ClassVisitor.visit(IILjava/lang/String;Ljava/lang/String;[Ljava/lang/String;Ljava/lang/String;)V at net.sf.cglib.core.ClassEmitter.begi…

java.lang.NoSuchMethodError: org.jboss.logging.Logger.getMessageLogger(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Object;

spring3_hibernate 集成报错信息 java.lang.NoSuchMethodError: org.jboss.logging.Logger.getMessageLogger(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Object; 根据分析得知缺少必要的jar: jboss-common.jar  和 jboss-logging.jar…

Failed to bind properties under 'logging.level' to java.util.Map<java.lang.String, java.lang.String>

org.springframework.boot.context.properties.bind.BindException: Failed to bind properties under 'logging.level' to java.util.Map<java.lang.String, java.lang.String> at org.springframework.boot.context.properties.bind.Binder.handleBindError(Binder.ja…

No converter found capable of converting from type [java.lang.String] to type [java.util.Map<java.lang.String, java.lang.String>]

java.lang.IllegalStateException: Failed to load ApplicationContext at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:125) at org.springframework.test.context.suppo…

java.lang.AbstractMethodError: org.slf4j.impl.JDK14LoggerAdapter.log(Lorg/slf4j/Marker;Ljava/lang/String;ILjava/lang/String;[Ljava/lang/Object;Ljava/lang/Throwable;)V

java.lang.AbstractMethodError: org.slf4j.impl.JDK14LoggerAdapter.log(Lorg/slf4j/Marker;Ljava/lang/String;ILjava/lang/String;[Ljava/lang/Object;Ljava/lang/Throwable;)V 错误原因:jar冲突 解决办法,排除冲突jar 1.jar是否引用正确,我是到官网选择使用的 https://logging.apache.org/log4j 具体如…

Idea运行时Scala报错Exception in thread "main" java.lang.NoSuchMethodError:com.google.common.base.Preconditions.checkArgument(ZLjava/lang/String;Ljava/lang/Object;)V

一.情况描述 使用idea +scala+spark,运行程序代码如下: package cn.idcast.hello import org.apache.spark.rdd.RDD import org.apache.spark import org.apache.spark.SparkConf import org.apache.spark.SparkContext /** * Author itcast * Desc 演示Spark入门案例-WordCount */ object Wor…