diff --git a/.idea/sqldialects.xml b/.idea/sqldialects.xml
new file mode 100644
index 0000000..210d124
--- /dev/null
+++ b/.idea/sqldialects.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="SqlDialectMappings">
+    <file url="file://$PROJECT_DIR$/SpringBoot03/src/main/resources/mapper/UserMapper.xml" dialect="MySQL" />
+    <file url="PROJECT" dialect="MySQL" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/SpringBoot03/db/db.sql b/SpringBoot03/db/db.sql
new file mode 100644
index 0000000..fd3ccc0
--- /dev/null
+++ b/SpringBoot03/db/db.sql
@@ -0,0 +1,7 @@
+create database SpringBoot;
+use SpringBoot;
+create table user(
+    userId int not null primary key auto_increment,
+    userName varchar(64) not null ,
+    password varchar(128) not null
+);
diff --git a/SpringBoot03/src/main/resources/logback.xml b/SpringBoot03/src/main/resources/logback.xml
new file mode 100644
index 0000000..53dd12a
--- /dev/null
+++ b/SpringBoot03/src/main/resources/logback.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<configuration>
+    <!--定义日志文件的存储地址 勿在 LogBack 的配置中使用相对路径-->
+    <property name="LOG_HOME" value="${catalina.base}/logs/" />
+    <!-- 控制台输出 -->
+    <appender name="Stdout" class="ch.qos.logback.core.ConsoleAppender">
+        <!-- 日志输出格式 -->
+        <layout class="ch.qos.logback.classic.PatternLayout">
+            <!--格式化输出：%d表示日期，%thread表示线程名，%-5level：级别从左显示5个字符宽度%msg：日志消息，%n是换行符-->
+            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n
+            </pattern>
+        </layout>
+    </appender>
+    <!-- 按照每天生成日志文件 -->
+    <appender name="RollingFile"  class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <!--日志文件输出的文件名-->
+            <FileNamePattern>${LOG_HOME}/server.%d{yyyy-MM-dd}.log</FileNamePattern>
+            <MaxHistory>30</MaxHistory>
+        </rollingPolicy>
+        <layout class="ch.qos.logback.classic.PatternLayout">
+            <!--格式化输出：%d表示日期，%thread表示线程名，%-5level：级别从左显示5个字符宽度%msg：日志消息，%n是换行符-->
+            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n
+            </pattern>
+        </layout>
+        <!--日志文件最大的大小-->
+        <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            <MaxFileSize>10MB</MaxFileSize>
+        </triggeringPolicy>
+    </appender>
+    <!-- 日志输出级别 -->
+    <root level="info">
+        <appender-ref ref="Stdout" />
+        <appender-ref ref="RollingFile" />
+    </root>
+    <logger name="com.msb.springboot03.mapper" level="DEBUG"/>
+    <!--日志异步到数据库 -->
+<!--    <appender name="DB" class="ch.qos.logback.classic.db.DBAppender">-->
+<!--&lt;!&ndash;            日志异步到数据库&ndash;&gt;-->
+<!--            <connectionSource class="ch.qos.logback.core.db.DriverManagerConnectionSource">-->
+<!--&lt;!&ndash;               连接池&ndash;&gt;-->
+<!--               <dataSource class="com.zaxxer.hikari.HikariDataSource">-->
+<!--                  <driverClass>com.mysql.cj.jdbc.Driver</driverClass>-->
+<!--                  <url>jdbc:mysql://127.0.0.1:3306/SpringBootLog</url>-->
+<!--                  <user>root</user>-->
+<!--                  <password>Nakamino</password>-->
+<!--                </dataSource>-->
+<!--            </connectionSource>-->
+<!--      </appender>-->
+</configuration>
\ No newline at end of file
diff --git a/catalina.base_IS_UNDEFINED/logs/server.2023-11-18.log b/catalina.base_IS_UNDEFINED/logs/server.2023-11-18.log
new file mode 100644
index 0000000..ec0075d
--- /dev/null
+++ b/catalina.base_IS_UNDEFINED/logs/server.2023-11-18.log
@@ -0,0 +1,305 @@
+2023-11-18 00:23:11.795 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
+java.lang.IllegalStateException: java.lang.IllegalStateException: Logback configuration error detected: 
+ERROR in ch.qos.logback.core.joran.action.AppenderAction - Could not create an Appender of type [ch.qos.logback.classic.db.DBAppender]. ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+ERROR in ch.qos.logback.core.joran.spi.Interpreter@38:70 - ActionException in Action for tag [appender] ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:344)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initialize(LoggingApplicationListener.java:298)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEnvironmentPreparedEvent(LoggingApplicationListener.java:246)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:223)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:178)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:171)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:145)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:133)
+	at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:85)
+	at org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:66)
+	at java.util.ArrayList.forEach(ArrayList.java:1259)
+	at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:120)
+	at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:114)
+	at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:65)
+	at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:344)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:302)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1300)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1289)
+	at com.msb.springboot03.SpringBoot03Application.main(SpringBoot03Application.java:12)
+Caused by: java.lang.IllegalStateException: Logback configuration error detected: 
+ERROR in ch.qos.logback.core.joran.action.AppenderAction - Could not create an Appender of type [ch.qos.logback.classic.db.DBAppender]. ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+ERROR in ch.qos.logback.core.joran.spi.Interpreter@38:70 - ActionException in Action for tag [appender] ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.reportConfigurationErrorsIfNecessary(LogbackLoggingSystem.java:189)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:170)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.reinitialize(LogbackLoggingSystem.java:243)
+	at org.springframework.boot.logging.AbstractLoggingSystem.initializeWithConventions(AbstractLoggingSystem.java:73)
+	at org.springframework.boot.logging.AbstractLoggingSystem.initialize(AbstractLoggingSystem.java:60)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.initialize(LogbackLoggingSystem.java:132)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:329)
+	... 18 common frames omitted
+	Suppressed: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassNameAndParameter(OptionHelper.java:68)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassName(OptionHelper.java:44)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassName(OptionHelper.java:33)
+		at ch.qos.logback.core.joran.action.AppenderAction.begin(AppenderAction.java:52)
+		at ch.qos.logback.core.joran.spi.Interpreter.callBeginAction(Interpreter.java:269)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:145)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:128)
+		at ch.qos.logback.core.joran.spi.EventPlayer.play(EventPlayer.java:50)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:165)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:152)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:110)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:53)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.configureByResourceUrl(LogbackLoggingSystem.java:199)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:165)
+		... 23 common frames omitted
+	Caused by: java.lang.ClassNotFoundException: ch.qos.logback.classic.db.DBAppender
+		at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
+		at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
+		at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
+		at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassNameAndParameter(OptionHelper.java:55)
+		... 36 common frames omitted
+	Suppressed: ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+		at ch.qos.logback.core.joran.action.AppenderAction.begin(AppenderAction.java:76)
+		at ch.qos.logback.core.joran.spi.Interpreter.callBeginAction(Interpreter.java:269)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:145)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:128)
+		at ch.qos.logback.core.joran.spi.EventPlayer.play(EventPlayer.java:50)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:165)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:152)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:110)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:53)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.configureByResourceUrl(LogbackLoggingSystem.java:199)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:165)
+		... 23 common frames omitted
+	Caused by: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+2023-11-18 00:24:01.806 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
+java.lang.IllegalStateException: java.lang.IllegalStateException: Logback configuration error detected: 
+ERROR in ch.qos.logback.core.joran.action.AppenderAction - Could not create an Appender of type [ch.qos.logback.classic.db.DBAppender]. ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+ERROR in ch.qos.logback.core.joran.spi.Interpreter@38:70 - ActionException in Action for tag [appender] ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:344)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initialize(LoggingApplicationListener.java:298)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEnvironmentPreparedEvent(LoggingApplicationListener.java:246)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:223)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:178)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:171)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:145)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:133)
+	at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:85)
+	at org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:66)
+	at java.util.ArrayList.forEach(ArrayList.java:1259)
+	at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:120)
+	at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:114)
+	at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:65)
+	at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:344)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:302)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1300)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1289)
+	at com.msb.springboot03.SpringBoot03Application.main(SpringBoot03Application.java:12)
+Caused by: java.lang.IllegalStateException: Logback configuration error detected: 
+ERROR in ch.qos.logback.core.joran.action.AppenderAction - Could not create an Appender of type [ch.qos.logback.classic.db.DBAppender]. ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+ERROR in ch.qos.logback.core.joran.spi.Interpreter@38:70 - ActionException in Action for tag [appender] ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.reportConfigurationErrorsIfNecessary(LogbackLoggingSystem.java:189)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:170)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.reinitialize(LogbackLoggingSystem.java:243)
+	at org.springframework.boot.logging.AbstractLoggingSystem.initializeWithConventions(AbstractLoggingSystem.java:73)
+	at org.springframework.boot.logging.AbstractLoggingSystem.initialize(AbstractLoggingSystem.java:60)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.initialize(LogbackLoggingSystem.java:132)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:329)
+	... 18 common frames omitted
+	Suppressed: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassNameAndParameter(OptionHelper.java:68)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassName(OptionHelper.java:44)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassName(OptionHelper.java:33)
+		at ch.qos.logback.core.joran.action.AppenderAction.begin(AppenderAction.java:52)
+		at ch.qos.logback.core.joran.spi.Interpreter.callBeginAction(Interpreter.java:269)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:145)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:128)
+		at ch.qos.logback.core.joran.spi.EventPlayer.play(EventPlayer.java:50)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:165)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:152)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:110)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:53)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.configureByResourceUrl(LogbackLoggingSystem.java:199)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:165)
+		... 23 common frames omitted
+	Caused by: java.lang.ClassNotFoundException: ch.qos.logback.classic.db.DBAppender
+		at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
+		at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
+		at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
+		at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassNameAndParameter(OptionHelper.java:55)
+		... 36 common frames omitted
+	Suppressed: ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+		at ch.qos.logback.core.joran.action.AppenderAction.begin(AppenderAction.java:76)
+		at ch.qos.logback.core.joran.spi.Interpreter.callBeginAction(Interpreter.java:269)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:145)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:128)
+		at ch.qos.logback.core.joran.spi.EventPlayer.play(EventPlayer.java:50)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:165)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:152)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:110)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:53)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.configureByResourceUrl(LogbackLoggingSystem.java:199)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:165)
+		... 23 common frames omitted
+	Caused by: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+2023-11-18 00:25:49.408 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
+java.lang.IllegalStateException: java.lang.IllegalStateException: Logback configuration error detected: 
+ERROR in ch.qos.logback.core.joran.action.AppenderAction - Could not create an Appender of type [ch.qos.logback.classic.db.DBAppender]. ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+ERROR in ch.qos.logback.core.joran.spi.Interpreter@38:70 - ActionException in Action for tag [appender] ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:344)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initialize(LoggingApplicationListener.java:298)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEnvironmentPreparedEvent(LoggingApplicationListener.java:246)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:223)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:178)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:171)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:145)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:133)
+	at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:85)
+	at org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:66)
+	at java.util.ArrayList.forEach(ArrayList.java:1259)
+	at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:120)
+	at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:114)
+	at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:65)
+	at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:344)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:302)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1300)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1289)
+	at com.msb.springboot03.SpringBoot03Application.main(SpringBoot03Application.java:12)
+Caused by: java.lang.IllegalStateException: Logback configuration error detected: 
+ERROR in ch.qos.logback.core.joran.action.AppenderAction - Could not create an Appender of type [ch.qos.logback.classic.db.DBAppender]. ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+ERROR in ch.qos.logback.core.joran.spi.Interpreter@38:70 - ActionException in Action for tag [appender] ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.reportConfigurationErrorsIfNecessary(LogbackLoggingSystem.java:189)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:170)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.reinitialize(LogbackLoggingSystem.java:243)
+	at org.springframework.boot.logging.AbstractLoggingSystem.initializeWithConventions(AbstractLoggingSystem.java:73)
+	at org.springframework.boot.logging.AbstractLoggingSystem.initialize(AbstractLoggingSystem.java:60)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.initialize(LogbackLoggingSystem.java:132)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:329)
+	... 18 common frames omitted
+	Suppressed: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassNameAndParameter(OptionHelper.java:68)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassName(OptionHelper.java:44)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassName(OptionHelper.java:33)
+		at ch.qos.logback.core.joran.action.AppenderAction.begin(AppenderAction.java:52)
+		at ch.qos.logback.core.joran.spi.Interpreter.callBeginAction(Interpreter.java:269)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:145)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:128)
+		at ch.qos.logback.core.joran.spi.EventPlayer.play(EventPlayer.java:50)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:165)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:152)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:110)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:53)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.configureByResourceUrl(LogbackLoggingSystem.java:199)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:165)
+		... 23 common frames omitted
+	Caused by: java.lang.ClassNotFoundException: ch.qos.logback.classic.db.DBAppender
+		at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
+		at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
+		at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
+		at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassNameAndParameter(OptionHelper.java:55)
+		... 36 common frames omitted
+	Suppressed: ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+		at ch.qos.logback.core.joran.action.AppenderAction.begin(AppenderAction.java:76)
+		at ch.qos.logback.core.joran.spi.Interpreter.callBeginAction(Interpreter.java:269)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:145)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:128)
+		at ch.qos.logback.core.joran.spi.EventPlayer.play(EventPlayer.java:50)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:165)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:152)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:110)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:53)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.configureByResourceUrl(LogbackLoggingSystem.java:199)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:165)
+		... 23 common frames omitted
+	Caused by: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+2023-11-18 00:27:39.185 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
+java.lang.IllegalStateException: java.lang.IllegalStateException: Logback configuration error detected: 
+ERROR in ch.qos.logback.core.joran.action.AppenderAction - Could not create an Appender of type [ch.qos.logback.classic.db.DBAppender]. ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+ERROR in ch.qos.logback.core.joran.spi.Interpreter@38:70 - ActionException in Action for tag [appender] ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:344)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initialize(LoggingApplicationListener.java:298)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEnvironmentPreparedEvent(LoggingApplicationListener.java:246)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:223)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:178)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:171)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:145)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:133)
+	at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:85)
+	at org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:66)
+	at java.util.ArrayList.forEach(ArrayList.java:1259)
+	at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:120)
+	at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:114)
+	at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:65)
+	at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:344)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:302)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1300)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1289)
+	at com.msb.springboot03.SpringBoot03Application.main(SpringBoot03Application.java:12)
+Caused by: java.lang.IllegalStateException: Logback configuration error detected: 
+ERROR in ch.qos.logback.core.joran.action.AppenderAction - Could not create an Appender of type [ch.qos.logback.classic.db.DBAppender]. ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+ERROR in ch.qos.logback.core.joran.spi.Interpreter@38:70 - ActionException in Action for tag [appender] ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.reportConfigurationErrorsIfNecessary(LogbackLoggingSystem.java:189)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:170)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.reinitialize(LogbackLoggingSystem.java:243)
+	at org.springframework.boot.logging.AbstractLoggingSystem.initializeWithConventions(AbstractLoggingSystem.java:73)
+	at org.springframework.boot.logging.AbstractLoggingSystem.initialize(AbstractLoggingSystem.java:60)
+	at org.springframework.boot.logging.logback.LogbackLoggingSystem.initialize(LogbackLoggingSystem.java:132)
+	at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:329)
+	... 18 common frames omitted
+	Suppressed: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassNameAndParameter(OptionHelper.java:68)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassName(OptionHelper.java:44)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassName(OptionHelper.java:33)
+		at ch.qos.logback.core.joran.action.AppenderAction.begin(AppenderAction.java:52)
+		at ch.qos.logback.core.joran.spi.Interpreter.callBeginAction(Interpreter.java:269)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:145)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:128)
+		at ch.qos.logback.core.joran.spi.EventPlayer.play(EventPlayer.java:50)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:165)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:152)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:110)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:53)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.configureByResourceUrl(LogbackLoggingSystem.java:199)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:165)
+		... 23 common frames omitted
+	Caused by: java.lang.ClassNotFoundException: ch.qos.logback.classic.db.DBAppender
+		at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
+		at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
+		at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
+		at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
+		at ch.qos.logback.core.util.OptionHelper.instantiateByClassNameAndParameter(OptionHelper.java:55)
+		... 36 common frames omitted
+	Suppressed: ch.qos.logback.core.joran.spi.ActionException: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+		at ch.qos.logback.core.joran.action.AppenderAction.begin(AppenderAction.java:76)
+		at ch.qos.logback.core.joran.spi.Interpreter.callBeginAction(Interpreter.java:269)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:145)
+		at ch.qos.logback.core.joran.spi.Interpreter.startElement(Interpreter.java:128)
+		at ch.qos.logback.core.joran.spi.EventPlayer.play(EventPlayer.java:50)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:165)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:152)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:110)
+		at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:53)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.configureByResourceUrl(LogbackLoggingSystem.java:199)
+		at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:165)
+		... 23 common frames omitted
+	Caused by: ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.db.DBAppender
+2023-11-18 00:29:23.794 [main] INFO  com.msb.springboot03.SpringBoot03Application - Starting SpringBoot03Application using Java 1.8.0_382 on Nakami-12gen with PID 27716 (C:\Users\Nakam\IdeaProjects\SpringBoot\SpringBoot03\target\classes started by Nakam in C:\Users\Nakam\IdeaProjects\SpringBoot)
+2023-11-18 00:29:23.796 [main] INFO  com.msb.springboot03.SpringBoot03Application - No active profile set, falling back to 1 default profile: "default"
+2023-11-18 00:29:24.357 [main] INFO  o.s.boot.web.embedded.tomcat.TomcatWebServer - Tomcat initialized with port(s): 9000 (http)
+2023-11-18 00:29:24.361 [main] INFO  org.apache.coyote.http11.Http11NioProtocol - Initializing ProtocolHandler ["http-nio-9000"]
+2023-11-18 00:29:24.362 [main] INFO  org.apache.catalina.core.StandardService - Starting service [Tomcat]
+2023-11-18 00:29:24.362 [main] INFO  org.apache.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.82]
+2023-11-18 00:29:24.441 [main] INFO  o.a.c.c.ContainerBase.[Tomcat].[localhost].[/yml] - Initializing Spring embedded WebApplicationContext
+2023-11-18 00:29:24.442 [main] INFO  o.s.b.w.s.c.ServletWebServerApplicationContext - Root WebApplicationContext: initialization completed in 619 ms
+2023-11-18 00:29:24.770 [main] INFO  org.apache.coyote.http11.Http11NioProtocol - Starting ProtocolHandler ["http-nio-9000"]
+2023-11-18 00:29:24.780 [main] INFO  o.s.boot.web.embedded.tomcat.TomcatWebServer - Tomcat started on port(s): 9000 (http) with context path '/yml'
+2023-11-18 00:29:24.786 [main] INFO  com.msb.springboot03.SpringBoot03Application - Started SpringBoot03Application in 1.212 seconds (JVM running for 1.614)
+2023-11-18 00:30:07.687 [http-nio-9000-exec-1] INFO  o.a.c.c.ContainerBase.[Tomcat].[localhost].[/yml] - Initializing Spring DispatcherServlet 'dispatcherServlet'
+2023-11-18 00:30:07.688 [http-nio-9000-exec-1] INFO  org.springframework.web.servlet.DispatcherServlet - Initializing Servlet 'dispatcherServlet'
+2023-11-18 00:30:07.688 [http-nio-9000-exec-1] INFO  org.springframework.web.servlet.DispatcherServlet - Completed initialization in 0 ms
+2023-11-18 00:30:07.710 [http-nio-9000-exec-1] INFO  com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Starting...
+2023-11-18 00:30:07.776 [http-nio-9000-exec-1] INFO  com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Start completed.
+2023-11-18 00:30:07.780 [http-nio-9000-exec-1] DEBUG com.msb.springboot03.mapper.UserMapper.selectAll - ==>  Preparing: SELECT * FROM USER
+2023-11-18 00:30:07.793 [http-nio-9000-exec-1] DEBUG com.msb.springboot03.mapper.UserMapper.selectAll - ==> Parameters: 
+2023-11-18 00:30:07.807 [http-nio-9000-exec-1] DEBUG com.msb.springboot03.mapper.UserMapper.selectAll - <==      Total: 1
+2023-11-18 00:30:19.607 [SpringApplicationShutdownHook] INFO  com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Shutdown initiated...
+2023-11-18 00:30:19.625 [SpringApplicationShutdownHook] INFO  com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Shutdown completed.