1.检查环境 [crayon-604727cf0f8f7446534526/] 2.升级 [crayon-604727cf0f8ff470982631/] 3.可能的问题 问题1:xshell使用密码登录是正常的,但是使用密钥登录,显示用户密钥未在远程主机上注册。 原因:查...
Nginx源码编译安装平滑升级
[crayon-604727cf1089d586053778/]
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国标编码定义 国标编码由中心编码(8位)、行业编码(2位)、类型编码(3位)、网络标识(1位)和序号(6位)五个段共20位十进制数字组成。即: 国标编码=中心编码+行业编码+类型编码+网络标识+序号,例如:340...
kafka配置项auto.offset.reset失效问题
来自kafka官网的解释: auto.offset.reset: What to do when there is no initial offset in Kafka or if the current offset does not exist any more on the server (e.g. because that data has been delet...
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[crayon-604727cf10c25833502563/] 已知问题:目前安装成功的版本是4.7.9,最新版4.9.5安装不成功,在登录页面输入账号后一直登录不了,抛错如下:Failed to set session cookie. Maybe you are using HTTP inst...
Springboot的CommandLineRunner与PostConstruct执行顺序
Application.java [crayon-604727cf11261300398864/] MyPostConstruct.java [crayon-604727cf11269781509271/] MyCommandLineRunner.java [crayon-604727cf1126d702627618/] MyCommandLineRunner2.java [c...
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http://kafka.apache.org/documentation.html#quickstart 环境 =============================== KAFKA版本:2.0.1 部署主机IP:192.168.99.26 版本兼容见https://spring.io/projects/spring-ka...
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[crayon-604727cf11d1f935814507/]
NullPointerException没有异常栈打印
2020-05-25 09:45:17.961 [task-22] ERROR o.s.a.i.SimpleAsyncUncaughtExceptionHandler - Unexpected error occurred invoking async method 'public void dcp.bss.qrtz.job.service.VehicleAlarm.overspeed(dc...
javax.net.ssl.SSLHandshakeException
错误:javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid cer...