有效沟通问答-【官方】百战程序员_IT在线教育培训机构

"C:\Program Files\Java\jdk-16\bin\java.exe" -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -javaagent:D:\Toolbox\apps\IDEA-U\ch-0\203.7148.57\lib\idea_rt.jar=62520:D:\Toolbox\apps\IDEA-U\ch-0\203.7148.57\bin -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true -Dfile.encoding=GBK -classpath D:\Java_Code\SpringbootMybatis\target\classes;C:\Users\Mr.G\.m2\repository\org\springframework\boot\spring-boot-starter-thymeleaf\2.4.4\spring-boot-starter-thymeleaf-2.4.4.jar;C:\Users\Mr.G\.m2\repository\org\springframework\boot\spring-boot-starter\2.4.4\spring-boot-starter-2.4.4.jar;C:\Users\Mr.G\.m2\repository\org\springframework\boot\spring-boot\2.4.4\spring-boot-2.4.4.jar;C:\Users\Mr.G\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\2.4.4\spring-boot-autoconfigure-2.4.4.jar;C:\Users\Mr.G\.m2\repository\org\springframework\boot\spring-boot-starter-logging\2.4.4\spring-boot-starter-logging-2.4.4.jar;C:\Users\Mr.G\.m2\repository\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;C:\Users\Mr.G\.m2\repository\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;C:\Users\Mr.G\.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.13.3\log4j-to-slf4j-2.13.3.jar;C:\Users\Mr.G\.m2\repository\org\apache\logging\log4j\log4j-api\2.13.3\log4j-api-2.13.3.jar;C:\Users\Mr.G\.m2\repository\org\slf4j\jul-to-slf4j\1.7.30\jul-to-slf4j-1.7.30.jar;C:\Users\Mr.G\.m2\repository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;C:\Users\Mr.G\.m2\repository\org\yaml\snakeyaml\1.27\snakeyaml-1.27.jar;C:\Users\Mr.G\.m2\repository\org\thymeleaf\thymeleaf-spring5\3.0.12.RELEASE\thymeleaf-spring5-3.0.12.RELEASE.jar;C:\Users\Mr.G\.m2\repository\org\thymeleaf\thymeleaf\3.0.12.RELEASE\thymeleaf-3.0.12.RELEASE.jar;C:\Users\Mr.G\.m2\repository\org\attoparser\attoparser\2.0.5.RELEASE\attoparser-2.0.5.RELEASE.jar;C:\Users\Mr.G\.m2\repository\org\unbescape\unbescape\1.1.6.RELEASE\unbescape-1.1.6.RELEASE.jar;C:\Users\Mr.G\.m2\repository\org\slf4j\slf4j-api\1.7.30\slf4j-api-1.7.30.jar;C:\Users\Mr.G\.m2\repository\org\thymeleaf\extras\thymeleaf-extras-java8time\3.0.4.RELEASE\thymeleaf-extras-java8time-3.0.4.RELEASE.jar;C:\Users\Mr.G\.m2\repository\org\springframework\boot\spring-boot-starter-web\2.4.4\spring-boot-starter-web-2.4.4.jar;C:\Users\Mr.G\.m2\repository\org\springframework\boot\spring-boot-starter-json\2.4.4\spring-boot-starter-json-2.4.4.jar;C:\Users\Mr.G\.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.11.4\jackson-databind-2.11.4.jar;C:\Users\Mr.G\.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.11.4\jackson-annotations-2.11.4.jar;C:\Users\Mr.G\.m2\repository\com\fasterxml\jackson\core\jackson-core\2.11.4\jackson-core-2.11.4.jar;C:\Users\Mr.G\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.11.4\jackson-datatype-jdk8-2.11.4.jar;C:\Users\Mr.G\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.11.4\jackson-datatype-jsr310-2.11.4.jar;C:\Users\Mr.G\.m2\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.11.4\jackson-module-parameter-names-2.11.4.jar;C:\Users\Mr.G\.m2\repository\org\springframework\boot\spring-boot-starter-tomcat\2.4.4\spring-boot-starter-tomcat-2.4.4.jar;C:\Users\Mr.G\.m2\repository\org\apache\tomcat\embed\tomcat-embed-core\9.0.44\tomcat-embed-core-9.0.44.jar;C:\Users\Mr.G\.m2\repository\org\glassfish\jakarta.el\3.0.3\jakarta.el-3.0.3.jar;C:\Users\Mr.G\.m2\repository\org\apache\tomcat\embed\tomcat-embed-websocket\9.0.44\tomcat-embed-websocket-9.0.44.jar;C:\Users\Mr.G\.m2\repository\org\springframework\spring-web\5.3.5\spring-web-5.3.5.jar;C:\Users\Mr.G\.m2\repository\org\springframework\spring-beans\5.3.5\spring-beans-5.3.5.jar;C:\Users\Mr.G\.m2\repository\org\springframework\spring-webmvc\5.3.5\spring-webmvc-5.3.5.jar;C:\Users\Mr.G\.m2\repository\org\springframework\spring-aop\5.3.5\spring-aop-5.3.5.jar;C:\Users\Mr.G\.m2\repository\org\springframework\spring-context\5.3.5\spring-context-5.3.5.jar;C:\Users\Mr.G\.m2\repository\org\springframework\spring-expression\5.3.5\spring-expression-5.3.5.jar;C:\Users\Mr.G\.m2\repository\org\mybatis\spring\boot\mybatis-spring-boot-starter\2.1.4\mybatis-spring-boot-starter-2.1.4.jar;C:\Users\Mr.G\.m2\repository\org\springframework\boot\spring-boot-starter-jdbc\2.4.4\spring-boot-starter-jdbc-2.4.4.jar;C:\Users\Mr.G\.m2\repository\com\zaxxer\HikariCP\3.4.5\HikariCP-3.4.5.jar;C:\Users\Mr.G\.m2\repository\org\springframework\spring-jdbc\5.3.5\spring-jdbc-5.3.5.jar;C:\Users\Mr.G\.m2\repository\org\springframework\spring-tx\5.3.5\spring-tx-5.3.5.jar;C:\Users\Mr.G\.m2\repository\org\mybatis\spring\boot\mybatis-spring-boot-autoconfigure\2.1.4\mybatis-spring-boot-autoconfigure-2.1.4.jar;C:\Users\Mr.G\.m2\repository\org\mybatis\mybatis\3.5.6\mybatis-3.5.6.jar;C:\Users\Mr.G\.m2\repository\org\mybatis\mybatis-spring\2.0.6\mybatis-spring-2.0.6.jar;C:\Users\Mr.G\.m2\repository\mysql\mysql-connector-java\5.1.38\mysql-connector-java-5.1.38.jar;C:\Users\Mr.G\.m2\repository\com\alibaba\druid\1.1.12\druid-1.1.12.jar;C:\Users\Mr.G\.m2\repository\org\springframework\spring-core\5.3.5\spring-core-5.3.5.jar;C:\Users\Mr.G\.m2\repository\org\springframework\spring-jcl\5.3.5\spring-jcl-5.3.5.jar com.bjsxt.springbootmybatis.SpringbootmybatisApplication
Java HotSpot(TM) 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.4.4)

2021-04-01 14:37:40.509  INFO 13944 --- [           main] c.b.s.SpringbootmybatisApplication       : Starting SpringbootmybatisApplication using Java 16 on LAPTOP-SSNOOCN5 with PID 13944 (D:\Java_Code\SpringbootMybatis\target\classes started by Mr.G in D:\java_code)
2021-04-01 14:37:40.512  INFO 13944 --- [           main] c.b.s.SpringbootmybatisApplication       : No active profile set, falling back to default profiles: default
2021-04-01 14:37:40.933  WARN 13944 --- [           main] o.m.s.mapper.ClassPathMapperScanner      : No MyBatis mapper was found in '[com.bjsxt.springbootmybatis.mapper]' package. Please check your configuration.
2021-04-01 14:37:41.152  INFO 13944 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
2021-04-01 14:37:41.157  INFO 13944 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2021-04-01 14:37:41.158  INFO 13944 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet engine: [Apache Tomcat/9.0.44]
2021-04-01 14:37:41.230  INFO 13944 --- [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2021-04-01 14:37:41.230  INFO 13944 --- [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 674 ms
2021-04-01 14:37:41.260  WARN 13944 --- [           main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'usersController': Unsatisfied dependency expressed through field 'usersService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userServiceImpl': Unsatisfied dependency expressed through field 'usersMapper'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.bjsxt.mapper.UsersMapper' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
2021-04-01 14:37:41.261  INFO 13944 --- [           main] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2021-04-01 14:37:41.269  WARN 13944 --- [           main] o.a.c.loader.WebappClassLoaderBase       : The web application [ROOT] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base@16/java.lang.Object.wait(Native Method)
 java.base@16/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
 app//com.mysql.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:43)
2021-04-01 14:37:41.274  INFO 13944 --- [           main] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2021-04-01 14:37:41.286 ERROR 13944 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 

***************************
APPLICATION FAILED TO START
***************************

Description:

Field usersMapper in com.bjsxt.springbootmybatis.service.impl.UserServiceImpl required a bean of type 'com.bjsxt.mapper.UsersMapper' that could not be found.

The injection point has the following annotations:
	- @org.springframework.beans.factory.annotation.Autowired(required=true)


Action:

Consider defining a bean of type 'com.bjsxt.mapper.UsersMapper' in your configuration.


Process finished with exit code 1

Java_Code.rar

JAVA 全系列/第九阶段：Spring Boot实战/Spring Boot 23196楼

一、问题

Springboot中SpringSession的失效时间为什么在启动类中使用注解属性来配置，如果提取到yml文件中不是很方便吗

JAVA 全系列/第十五阶段：Spring Session会话管理/Spring Session 23197楼

老师这个错误原因是啥呀？百度说把log里的mongodb.log删掉，我试过了不管用

JAVA 全系列/第十四阶段：分布式文件存储与数据缓存/MongoDB 23198楼

1.问题：点击OK页面无反应

2.源码

jsondemo.rar

JAVA 全系列/第六阶段：项目管理与SSM框架/SpringMVC 23199楼

请问一下这个data() 报的错误是什么意思

JAVA 全系列/第五阶段：网页编程和设计/Javascript 语言（旧） 23200楼

*{
    (){
        .setTitle()setVisible()setSize()setLocation().addWindowListener(() {
            () {
                .()}
        })}

    ([] ) {
        = MyGameFrame().IaunchFrame()}
}

这是我写的

JAVA 全系列/第一阶段：AI驱动的JAVA编程/飞机大战小项目训练 23201楼

Comparable方法中的this.age和man22.age，其中man22.age代表的是什么，是哪两个数据在比较？

JAVA 全系列/第一阶段：AI驱动的JAVA编程/数组和数据存储 23202楼

   (){
        .setTitle()setVisible()setSize()setLocation()}

    ([] ) {
        = MyGameFrame().IaunchFrame()}
}

Error:Internal error: (java.util.concurrent.ExecutionException) org.jetbrains.jps.model.serialization.CannotLoadJpsModelException: Cannot parse file C:\Users\Administrator\IdeaProjects\JavaSE\javase.iml: ParseError at [row,col]:[1,1]

Message: 文件提前结束。

java.util.concurrent.ExecutionException: org.jetbrains.jps.model.serialization.CannotLoadJpsModelException: Cannot parse file C:\Users\Administrator\IdeaProjects\JavaSE\javase.iml: ParseError at [row,col]:[1,1]

Message: 文件提前结束。

at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)

at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)

at org.jetbrains.jps.model.serialization.JpsProjectLoader.loadModules(JpsProjectLoader.java:384)

at org.jetbrains.jps.model.serialization.JpsProjectLoader.loadModules(JpsProjectLoader.java:331)

at org.jetbrains.jps.model.serialization.JpsProjectLoader.loadFromDirectory(JpsProjectLoader.java:199)

at org.jetbrains.jps.model.serialization.JpsProjectLoader.loadProject(JpsProjectLoader.java:98)

at org.jetbrains.jps.model.serialization.impl.JpsSerializationManagerImpl.loadModel(JpsSerializationManagerImpl.java:42)

at org.jetbrains.jps.cmdline.JpsModelLoaderImpl.loadModel(JpsModelLoaderImpl.java:50)

at org.jetbrains.jps.cmdline.BuildRunner.load(BuildRunner.java:78)

at org.jetbrains.jps.cmdline.BuildSession.runBuild(BuildSession.java:274)

at org.jetbrains.jps.cmdline.BuildSession.run(BuildSession.java:130)

at org.jetbrains.jps.cmdline.BuildMain$MyMessageHandler.lambda$channelRead0$0(BuildMain.java:232)

at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)

at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)

at java.base/java.lang.Thread.run(Thread.java:830)

Caused by: org.jetbrains.jps.model.serialization.CannotLoadJpsModelException: Cannot parse file C:\Users\Administrator\IdeaProjects\JavaSE\javase.iml: ParseError at [row,col]:[1,1]

Message: 文件提前结束。

at org.jetbrains.jps.model.serialization.JpsLoaderBase.tryLoadRootElement(JpsLoaderBase.java:86)

at org.jetbrains.jps.model.serialization.JpsLoaderBase.loadRootElement(JpsLoaderBase.java:66)

at org.jetbrains.jps.model.serialization.JpsProjectLoader.lambda$loadModules$1(JpsProjectLoader.java:359)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)

at com.intellij.util.concurrency.BoundedTaskExecutor.doRun(BoundedTaskExecutor.java:222)

at com.intellij.util.concurrency.BoundedTaskExecutor.access$200(BoundedTaskExecutor.java:30)

at com.intellij.util.concurrency.BoundedTaskExecutor$1.execute(BoundedTaskExecutor.java:201)

at com.intellij.util.ConcurrencyUtil.runUnderThreadName(ConcurrencyUtil.java:221)

at com.intellij.util.concurrency.BoundedTaskExecutor$1.run(BoundedTaskExecutor.java:190)

... 3 more

Caused by: org.jdom.JDOMException: ParseError at [row,col]:[1,1]

Message: 文件提前结束。

at com.intellij.openapi.util.JDOMUtil.loadUsingStaX(JDOMUtil.java:255)

at com.intellij.openapi.util.JDOMUtil.load(JDOMUtil.java:326)

at org.jetbrains.jps.model.serialization.JpsLoaderBase.tryLoadRootElement(JpsLoaderBase.java:78)

... 11 more

Caused by: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[1,1]

Message: 文件提前结束。

at java.xml/com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next(XMLStreamReaderImpl.java:652)

at com.intellij.openapi.util.SafeStAXStreamBuilder.build(SafeStAXStreamBuilder.java:94)

at com.intellij.openapi.util.JDOMUtil.loadUsingStaX(JDOMUtil.java:248)

... 13 more

老师，为什么我照着敲会出现这种错误？？

JAVA 全系列/第一阶段：AI驱动的JAVA编程/飞机大战小项目训练 23203楼

老师请问这个如何解决，网上搜索的方法行不通

Python 全系列/第十六阶段：Python 爬虫开发/爬虫反反爬- 23204楼

from tkinter import*
from tkinter.filedialog import*
root=Tk()
root.geometry("400x100")
def test1():
   with askopenfilename(title='上传文件',initialdir='d:',filetypes=[('文本文件','.txt')])as f:
       show['text']=f.read()

Button(root,text='选择读取的文本文件',command=test1).pack()
show=Label(root,width=60,height=5,bg='green')
show.pack()
root.mainloop()

代码可以运行，但是选择完文本文件后就立马报错，报错信息如下：

Exception in Tkinter callback "e:/VS code files/GUI_Tkinter编程/GUI_37.py"

Traceback (most recent call last):

File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\lib\tkinter\__init__.py",

line 1892, in __call__ line 1892, in __call__

return self.func(*args)

File "e:/VS code files/GUI_Tkinter编程/GUI_37.py", line 6, in test1

with askopenfilename(title='上传文件',initialdir='d:',filetypes=[('文本文件','.txt')])as f:

AttributeError: __enter__

自己也弄了半天，没搞出来，请问老师怎么解决？

Python 全系列/第二阶段：Python 深入与提高/GUI编程（隐藏） 23205楼

同学您好