1.Spring boot 启动报错 Failed to auto-configure a DataSource 参考资料https://blog.csdn.net/liuyinfei_java/article/details/79750146…

spring boot 启动报错如下 org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.autoconfigure…

PyCharm中运行firefox webdriver访问邮箱添加通讯录的时候报错-WebDriverException: Message: can't access dead object 调了半天,发现是因为在登录操作后没有从frame中切换出来导致的,因为在登录的时候需要先切换到frame中,登录之后要切换出来才能继续其他操作. 下面是我运行的代码,driver.switch_to.default_content()这一行被我注释掉了,结果就报这个错 代码:driver=webdriver…

解决spring boot启动报错java.lang.NoClassDefFoundError: ch/qos/logback/classic/Level 学习了:https://blog.csdn.net/yunfeng482/article/details/78106433 没想到啊:我都看见了,idea也反编不了: 没想到要重新下载啊:…

今天spring整合quartz报错,最后一步步排查,发现是和redis依赖冲突,最后redis升级了一下,问题解决. 总结:发现问题,逐一排查,如果是整合问题,报类加载不到的错误,大概率是和其他组件依赖冲突,找到冲突源,解决即可.…

spring boot 启动报错: Caused by: java.lang.IllegalArgumentException: LoggerFactory is not a Logback LoggerContext but Logback is on the classpath. Either remove Logback or the competing implementation (class org.slf4j.impl.Log4jLoggerFactory loaded from…

java调用Oracle的sqlldr命令报错:Message 2100 not found; No message file for product=RDBMS, facility=ULMessage 2100 not found; No message file for product=RDBMS, facility=UL 手动执行sqlldr 可以正常执行,但放在java中 就会报上面的2100的错. 找错误找了两天. 希望能帮助并记录这个问题. 在这里整理解决办法(两种)(先说自己的,然…

MySQL root密码重置报错:mysqladmin: connect to server at 'localhost' failed的解决方案   1  登陆失败,mysqladmin修改密码失败 [root@mysql var]# mysqladmin -u root password '123456' mysqladmin: connect to server at 'localhost' failed error: 'Access denied for user 'root'@'loc…

真机调试报错error ==Error Domain=NSURLErrorDomain Code=-1009 "似乎已断开与互联网的连接." 请注意,错误代码是-1009,网上关于网络链接查询错误代码的网站很多,查询一下,会发现 -1009 kCFURLErrorNotConnectedToInternet NSURLErrorNotConnectedToInternet “The connection failed because the device is not connecte…

.执行opatch apply 报错 OPatch failed [oracle@ora_11g 14275605]$ /opt/oracle/product/db_1/OPatch/opatch apply ./ Oracle Interim Patch Installer version Copyright (c) , Oracle Corporation. All rights reserved. Oracle Home : /opt/oracle/product/db_1 Central…