classpath下增加logback-spring.xml
<?xml version="1.0" encoding="UTF-8"?>
<configuration debug="false"><property name="LOG_HOME" value="../logs" /><appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"><withJansi>true</withJansi><encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder"><pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %highlight(%-5level) %cyan(%logger{50}:%L) - %msg%n</pattern></encoder></appender><appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender"><rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy"><FileNamePattern>${LOG_HOME}/jeecgboot-%d{yyyy-MM-dd}.%i.log</FileNamePattern><MaxHistory>30</MaxHistory><maxFileSize>20MB</maxFileSize></rollingPolicy><encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder"><pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50}:%L - %msg%n</pattern></encoder></appender><appender name="HTML" class="ch.qos.logback.core.FileAppender"><filter class="ch.qos.logback.classic.filter.ThresholdFilter"><level>ERROR</level></filter><encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder"><layout class="ch.qos.logback.classic.html.HTMLLayout"><pattern>%p%d%msg%M%F{32}%L</pattern></layout></encoder><file>${LOG_HOME}/error-log.html</file></appender><appender name="FILE_HTML" class="ch.qos.logback.core.rolling.RollingFileAppender"><rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy"><FileNamePattern>${LOG_HOME}/jeecgboot-%d{yyyy-MM-dd}.%i.html</FileNamePattern><MaxHistory>30</MaxHistory><MaxFileSize>10MB</MaxFileSize></rollingPolicy><encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder"><layout class="ch.qos.logback.classic.html.HTMLLayout"><pattern>%p%d%msg%M%F{32}%L</pattern></layout></encoder></appender><logger name="com.apache.ibatis" level="TRACE" /><logger name="java.sql.Connection" level="DEBUG" /><logger name="java.sql.Statement" level="DEBUG" /><logger name="java.sql.PreparedStatement" level="DEBUG" /><root level="INFO"><appender-ref ref="STDOUT" /><appender-ref ref="FILE" /><appender-ref ref="HTML" /><appender-ref ref="FILE_HTML" /></root></configuration>日志输出路径：
../logs，为在执行命令目录的上一级目录下的logs目录下。
如在/home/xxx/jeecg_start.sh 则日志输出在/home/logs/
在找不到日志输出路径时，请cd /，切换到根目录，再通过如下命令去查找: find . -name jeecgboot*.log