随笔 - 229
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随笔分类 - 报错示例收集
Flask报错：AssertionError: View function mapping is overwriting an existing endpoint function: inner
摘要：源代码如下， 启动报错 from flask import Flask # 实例化一个Flask对象 app = Flask(__name__) # 打印默认配置信息 # 引入开发环境的配置 app.config.from_object('settings.DEV') # 引入生产环境的配置 # a
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fabric报错:Fatal error: run() received nonzero return code 1 while executing!
摘要：今天在使用fabric远程安装rpm时,一直报:Fatal error: run() received nonzero return code 1 while executing! 这看起来也是没笔病呀,但fabric就是这么蛋疼, 它在执行过程中, 如果执行命令返回非零, 就会中断后面的逻辑. 解
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python编程中的一个经典错误之list引用
摘要：请看下面代码 class User: def __init__(self, name, hobby=[]): self.name = name self.hobby = hobby def add_hobby(self, hobby): self.hobby.append(hobby) def re
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java.nio.channels.IllegalBlockingModeException
摘要：报错信息如下： Exception in thread "main" java.nio.channels.IllegalBlockingModeException at java.nio.channels.spi.AbstractSelectableChannel.register(Abstract
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springboot2集成redis5报错:io.lettuce.core.RedisException: io.lettuce.core.RedisConnectionException: DENIED Redis is running in protected
摘要：报错信息如下： Caused by: io.lettuce.core.RedisException: io.lettuce.core.RedisConnectionException: DENIED Redis is running in protected mode because protect
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一次服务器CPU占用100%的问题排查
摘要：今天写了一段垃圾代码，然后上服务器上运行，cpu瞬间飙到了100%，现记录一下问题排除过程~ 1. 问题代码 2. top 3. 查找问题 3.1 top -Hp 18571, 找出最耗cpu的线程，结果发现18584是就耗了99.9% 3.2 将十进制的线程号转成十六进制 printf "0x%x
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Feign调用远程服务报错:Caused by: java.lang.IllegalStateException: Method getMemberInfo not annotated with HTTP method type (ex. GET, POST)
摘要：org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderServiceImpl': Unsatisfied dependency expressed t
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