open5gs meson fails cases

ansible 报错 "changed": false, "msg": "Failed to connect to the host

报错: "changed": false, "msg": "Failed to connect to the host via ssh: root@node1: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password)." ......
quot ansible changed connect Failed

记Redux下载后,运行examples/todos时,报错Error: error:0308010C:digital envelope routines::unsupported 和 Failed to load config "react-app" to extend from.

1、Redux 下载 下载地址 git clone https://github.com/reactjs/redux.git 进入examples/todos,下载依赖: npm install 2、问题复现及解决 执行命令 npm run start 此时终端报错: Error: error:03 ......
quot unsupported react-app 0308010C examples

linux/centos使用fail2ban实现计次登录失败封禁其ip

问题背景 使用命令 cat /var/log/secure 查询服务器登录记录,发现有ip在进行暴力破解 所以使用fail2ban进行ip限制,如果登录失败五次,则永久封禁其ip。 安装并配置fail2ban(来自ChatGPT) 下面是一份完整的Fail2Ban安装和配置,用于监视SSH服务并在登 ......
fail2ban centos linux fail2 2ban

hive向表中导入数据出现FAILED: SemanticException

完整错误信息 FAILED: SemanticException Line 1:23 Invalid path ''~/Downloads/stocks.csv'': No files matching path file:/home/lcz/~/Downloads/stocks.csv 路径错误, ......
SemanticException 数据 FAILED hive

关于Vue3中调试APP触发异常:exception:white screen cause create instanceContext failed,check js stack -> at useStore (app-service.js:2309:15)解决方案

bug:reportJSException >>>> exception function:createInstanceContext, exception:white screen cause create instanceContext failed,check js stack ->at us ......

【解决】模拟器设置system读写报错'/dev/block/sda6' is read-only mount: '/system' not in /proc/mounts adb disable-verity failed to read fstab '/dev/root' is read-only

remount 失败 '/dev/block/sda6' is read-only adb disable-verity failed to read fstab '/dev/root' is read-only mount -o remount,rw /system mount: '/system ......
read-only 39 read system 模拟器

ORA-01187 cannot read from file 201 because it failed verification tests..temp01

Description:We get this message in running the Upgrade Express 20-21 export (create_customer_data):ORA-01187: cannot read from file 201 because it fai ......
verification because cannot failed 01187

SQL 数据操作技巧:SELECT INTO、INSERT INTO SELECT 和 CASE 语句详解

SQL SELECT INTO 语句 SELECT INTO 语句将数据从一个表复制到一个新表中。 SELECT INTO 语法 将所有列复制到新表中: SELECT * INTO newtable [IN externaldb] FROM oldtable WHERE condition; 只复制 ......
SELECT INTO 语句 技巧 数据

用matplot和seaborn作图,出现This application failed to start because not Qt platform plugin could be initialized的报错

用matplotlib和seaborn作图,出现这样的弹窗: 尝试过增加环境变量的方法没有解决。使用了一种临时的解决方法: import matplotlib matplotlib.use('TKAgg') 如果不需要图形化界面,只需要运行后的参数可以使用: import matplotlib ma ......

aws场景安装fail2ban

ACCEPTED ANSWER Amazon Linux 2023 uses Python3.9 by default, and some of the old python version feature are abolished in Python3.9, so you need to use ......
fail2ban 场景 fail2 2ban fail

nginx 报 accept4() failed (24: Too many open files)

nginx 报 accept4() failed (24: Too many open files)ulimit -aulimit -n 204800vim /etc/security/limits.conf<domain> <type> <item> <value>* soft nofile 20 ......
accept4 accept failed nginx files

docker故障:driver failed programming external connectivity on endpoint

故障现象 Error response from daemon: driver failed programming external connectivity on endpoint jenkins (ffdc7c9cda72c575d6b045574d1432b256603a3d986a05da ......

20231128 - 重启Centos后无法远程连接,重启网络服务报错:Error:Failed to start LSB: Bring up/down networking

1.https://blog.csdn.net/m0_74953387/article/details/132914306 2.https://blog.csdn.net/weixin_45894220/article/details/130487066 ......

Switch case 特例

Switch case 特例 如果当前匹配成功的 case 语句块没有 break 语句,则从当前 case 开始,后续所有 case 的值都会输出,如果后续的 case 语句块有 break 语句则会跳出判断。 public class Test { public static void main ......
特例 Switch case

Failed to instantiate [com.zaxxer.hikari.HikariDataSource]

问题描述 明明在yml文件里配置了相关数据库,怎么仍启动报错?这个hikari又是什么? 问题解决 排除springboot默认的数据库自动装配 ......

centos8 yum时总报错Failed to synchronize cache for repo ‘AppStream‘, ignoring this repo.

进入/etc/yum.repos.d/找到对应的CentOS-AppStream.repo文件,把原始的baseurl换成​​​​​​https://mirrors.aliyun.com/centos/8-stream/AppStream/$basearch/os/ 跟其他的不一样的地方在8-str ......
repo synchronize AppStream ignoring centos8

dpdk编译-meson版

1 依赖python3的elftools,没有的话可以这样装 python3 -m pip install pyelftools 2 在dpdk根目录,使用命令 meson setup -Dprefix=/home/tong/Code/dpdk-21.11.4/dest/ -Ddefault_lib ......
meson dpdk

GitHub-fatal-unable-to-access-https-github-com-Failed-to-connect-to-github-com-port-443-Operation-timed-out-CarlZeng

title: >- [GitHub] fatal: unable to access 'https://github.com/': Failed to connect to github.com port 443: Operation timed out tags: [github,git] cat ......

github clone 报错443 错误代码 Failed to connect to github.com port 443 : Timed out

github克隆 报错443 错误代码 Failed to connect to github.com port 443 : Timed out 查看当前系统代理的 IP 地址和端口号 地址与端口号为:127.0.0.1:7890 *修改 Git 的网络设置* # 注意修改成自己的IP和端口号 gi ......
github 443 错误 connect 代码

org.springframework.context.ApplicationContextException: Failed to start bean ‘documentationPluginsB

错误信息 org.springframework.context.ApplicationContextException: Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.N ......

SWITCH/Java switch case 语句

SWITCH case switch 语句中的变量类型可以是: byte、short、int 或者 char。从 Java SE 7 开始,switch 支持字符串 String 类型了,同时 case 标签必须为字符串常量或字面量。 当变量的值与 case 语句的值相等时,那么 case 语句之后 ......
语句 SWITCH switch Java case

Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.alibaba.nacos.naming.core.v2.service.impl.PersistentClie

一、从公司的的GitLab下载项目到本地 二、nacos-2.0.1 启动不了 我以为是我中文路径问题,然后放到全是英文的一样报错,百度一圈没找到解决方法。 三、大佬路过,瞟了我一眼的电脑解决了。 删除 D:\nacos-2.0.0\data 下面的所有文件即可 原因就是有人把自己的数据上传到git ......

【Android R】manualTests#com.android.cts.verifier.security.FingerprintBoundKeysTest fail

异常日志: 11-12 19:24:47.649 5387 5387 D AndroidRuntime: Shutting down VM 11-12 19:24:47.671 5387 5387 E AndroidRuntime: FATAL EXCEPTION: main 11-12 19:24 ......

openharmonyOS 编译报错:ERROR: Failed :entry:default@LegacyCompileResource

解决方法:把build包删除,让系统重新生成 ......

group by 返回null( 不存在) 如何使用case when

1. 数据如下: 2. 有数据的情况: select DEPT, group_concat(distinct level) as level from content where NAME = '南京' group by dept select DEPT, case when level like ......
group case null when by

什么是计算机软件设计领域的 Edge Case

在软件设计领域,Edge Case(边缘情况)是一个重要的概念。简单来说,Edge Case 是指在系统的输入、操作或使用环境达到一些极限或者特殊情况时的场景。这些场景通常在正常使用条件下不太可能出现,但是如果发生,可能会导致系统行为异常,比如性能下降、功能失效,甚至系统崩溃。因此,在设计和测试软件 ......
领域 计算机 软件 Edge Case

sysbench 安装 postgres 测试环境( Connection to database failed: SCRAM authentication requires libpq version 10 or above)

报错Connection to database failed: SCRAM authentication requires libpq version 10 or above的解决方案 1、下载安装包 https://gitee.com/xiaohai008/postgresql10-devel ......

qemu-kvm: error: failed to set MSR x38d to x0x 【问题解决】

问题 解决 创建报错 在下面的 issues 找到解决办法 https://github.com/GNS3/gns3-server/issues/1774 可以尝试在 VM 上禁用 MSR,然后检查是否可以启动 qemu 计算机 添加内核模块参数 临时修改 echo Y > /sys/module/ ......
qemu-kvm failed 问题 error qemu

微信小程序使用canvas导出图片时提示报错为canvasToTempFilePath:fail fail canvas is empty

uni使用小程序 时,组件里面有个canvas,页面上面也有一个canvs。组件里面的canvas想导出图片,报canvasToTempFilePath:fail fail canvas is empty。 在canvasToTempFilePath里面要加上第二个参数,传入this; uni.ca ......

failed to configure a datasource: ‘url‘ attribute is not specified and no em

问题场景 在Spring Boot中整合MySQL、Mybatis进行数据库开发时,按照正常步骤添加了相关数据库的依赖,也进行了必要的数据库配置,结果在项目启动时出现如下异常信息: *************************** APPLICATION FAILED TO START *** ......