源码: FragmentTransaction mFragmentTranscation = getSupportFragmentManager().beginTransaction(); Fragment mMainFragment = new MainFragment();//此行提示出错 mFragmentTranscation.replace(R.id.container, mMainFragment); mFragmentTranscation.commit(); 错误提示:无法将Ma…

Connection.prepareStatement()函数出错,提示: Type mismatch: cannot convert from java.sql.PreparedStatement to com.mysql.jdbc.PreparedStatement 这是因为引入的包不对头, import com.mysql.jdbc.PreparedStatement; import com.mysql.jdbc.Statement; 引入正确的包就没有这个错误了. import java…

完整的错误信息: Description Resource Path Location TypeType mismatch: cannot convert from Enumeration<String> to Enumeration<Object> ResponseHeaderFilter.java /dwz-java/src/dwz/common/util line 46 Java Problem 解决的方法: watermark/2/text/aHR0cDovL2Jsb2cu…

今天用到Cookie时,写了一个Cookie数组,发现报错“Type mismatch: cannot convert from javax.servlet.http.Cookie[] to org.apache.tomcat.util.http.parser.Cookie[]”,后来看导入的包,发现按提示直接导入的是“ import org.apache.tomcat.util.http.parser.Cookie ” ,将这个删除,改成 “import javax.servlet.http.…

问题描述: 一个非常简单的spring项目,用静态工厂方法配置bean实例.项目的目录结构如下: 代码如下: Car.java package com.tt.spring.beans.factory; public class Car { private String brand; private double price; public String getBrand() { return brand; } public void setBrand(String brand) { this.b…

java.lang.Error: Unresolved compilation problems:   Syntax error on token "return", delete this token  Type mismatch: cannot convert from Init to String Dubbo 在调用服务时候报的错误! 那么问题来了.这什么错? ? 英语不好.     Type mismatch: cannot convert from Init to Strin…

<input autocomplete id="start-time" name="start_time" type="date" class="glyphicon glyphicon-calendar col-sm-2 form-control" @if(!empty($orderInfo)) value="{{date('Y-m-d',strtotime($orderInfo->start_time)…

在将一个fragment替换到一个frameLayout的时候报错: code: transaction.replace(R.id.fragment_container, fragment2); 错误:  java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first. 原因: @Override  …

首先放上我的源码,看看你的代码是不是我这个类似的. @Test void predicateTest() throws Exception { List<String> languages = Arrays.asList("Java", "Scala", "C++", "Haskell", "Lisp"); System.out.println("Languages which sta…

在调用JmsTemplate的send方法时,一直报编译时异常.如下: 异常提示是无法解析org.SpringFrawork.jms.JmsException类型.如下: The type org.springframework.jms.JmsException cannot be resolved. It is indirectly referenced from required .class files 使用了一个简单粗暴的做法: 1.删掉maven下面的所有包 2.重现maven->up…