mapredtask execution failed return

nerdctl run -d 报"failed to call cni.Setup: plugin type=\"bridge\" failed (add) 问题处理

背景:执行 nerdctl run -d --name nginx -p8080:80 nginx 时,报如下错误 FATA[0000] failed to create shim task: OCI runtime create failed: runc create failed: unable ......
quot failed nerdctl bridge plugin

return和print()区别;print()出现None

class Cash(): def pay(self): return "cash" class Order(): def order_oay(self,name): return name.pay() if __name__ == '__main__': order = Order() cash ......
print return None

当$.get返回失败后,调用fail方法

$.get( "url", { data: value }, function (data, status, jqxhr) { alert('保存成功'); }).fail(function () { //当$.get执行过程失败后,调用的方法,相当于ajax的error方法 alert('保存失败 ......
方法 fail get

nginx:Failed to start nginx.service:unit not found

nginx:Failed to start nginx.service:unit not found - 知乎 (zhihu.com) 错误的原因就是没有添加nginx服务,所以启动失败。 解决方法: 1. 在/root/etc/init.d/目录下新建文件,文件名为nginx 或者用命令在根目录下 ......
nginx service Failed found start

使用flutter打包Xcode运行报错Failed to prepare device for development.解决办法

出现错误原因:ios的系统和xcode支持的版本不匹配,有以下几种情况 运行和打包的IOS版本过高,例如xcode的版本是一年前的版本,当时最高支持16.2,可一年后你要安装的手机ios版本已经是16.7了 xcode的版本过低,最高支持的不符合ios当前版本 解决方法: 一、直接升级xcode版本 ......
development flutter prepare 办法 Failed

sudo: unable to execute /bin/rm: Argument list too long

Linux,删除文件夹下所有内容,数据太多时,报错too long sudo rm -r /var/lib/jenkins/workspace/test_1/allure-report/data/attachments/* sudo: unable to execute /bin/rm: Argum ......
Argument execute unable sudo list

Jenkins构建Host key verification failed. lost connection

使用jenkins发版,构建时使用了调用shell从jenkins服务器scp jar包到业务服务器。 由于新购买了服务器,并且要将jar包cp到新购买的服务器上,涉及到前任运维交接问题,这块一直没有了解。 在jenkins服务器 su jenkins切换到jenkins用户,找到/var/lib/ ......
verification connection Jenkins failed Host

hive执行sql报错 FAILED: Execution Error, return code 3 from org.apache.hadoop.hive.ql.exec.mr.MapredLocalTask

前言: 执行hive sql报错,sql逻辑是两个表左连接并将数据插入新的表中。 报错信息: [ERROR] 2023-12-05 15:49:49.165 +0800 - execute sql error: Error while processing statement: FAILED: Ex ......
hive MapredLocalTask Execution FAILED apache

centos 8 Failed to download metadata for repo ‘AppStream’: Cannot prepare internal mirrorlist: No URLs in mirrorlist

查询后发现问题的原因是Centos8于2021年年底停止了服务,我们在使用yum源安装时候,出现下面错误“错误:Failed to download metadata for repo ‘AppStream’: Cannot prepare internal mirrorlist: No URLs ......

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

try和catch中有return

1、无论什么情况(try和catch中有return或者try中有异常),finally都是会被执行的。2、finally是在return后面的表达式运算完之后执行的,在执行完return时,并没有跳出,而是进行到finally中继续执行。3、如果在finally中对返回值进行了重新赋值,分两种情况 ......
return catch try

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 ......

Docker|--镜像中既有gcc和.NET运行时, 但是容器启动的时候报错 exec: "dotnet": executable file not found in $PATH: unknown.

基本信息 # 镜像gcc_for_net7_image是如何产生的, 分为3步 1.基于gcc的镜像运行起来的一个包含了gcc环境的容器, 2.在这个容器里安装了.NET7运行时, 3.再将这个包含了gcc环境和.NET7的容器打包为一个镜像"gcc_for_net7_image" 总之, 这个镜像 ......
quot 容器 executable 镜像 unknown

【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

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 ......

JavaScript中return await究竟有无用武之地?

有没有区别? 先上一个 Demo,看看async函数中return时加和不加await有没有区别: function bar() { return Promise.resolve("this from bar()."); } async function foo1() { return await ......
用武之地 JavaScript return await

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 ......

Web_XCTF_WriteUp | command_execution

题目 提示: 小宁写了个ping功能,但没有写waf,X老师告诉她这是非常危险的,你知道为什么吗。 题目: 分析 简单了解了一下 waf,全称 Web 应用防火墙(Web Application Firewall),工作在应用层。其功能包括: 禁止HTTP协议的非安全方法 伪装Web服务的特征 防止 ......

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 ......

iptables 杂谈ACCEPT和RETURN

iptables 杂谈ACCEPT和RETURN 这两个目标,确实比较模糊。 目录iptables 杂谈ACCEPT和RETURN实验结论 实验 这里是实验的情况: 新建两个iptables的规则链,并且相连,如果是ACCEPT: -N my_rule_1 -N my_rule_2 -A my_ru ......
杂谈 iptables ACCEPT RETURN

python函数return会结束整个函数的执行

一:问题 python函数中有for循环,对for循环进行return,函数会继续往下执行么? 二:回答 不会。 如下所示: def demo3(): print("a") for i in range(3): print(i) return i print("b") def demo4(): pr ......
函数 python return

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

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 ......