好民小张-优快云博客

原创 Nginx+Https+websock 失败原因( 已解决)

错误原因: 个人理解是wss协议经过location /api/websocket 请求时不会自动在proxy_pass 自动补齐尾部请求路径, 加上对应服务器请求路径即可。前端采用vue+uniapp (微信小程序)后端采用springboot等。

2024-02-22 18:42:24 310 1

转载 npm ERR! code ECONNRESET npm ERR! network This is a problem related to network connectivity.(已解决)

npm ERR! code ECONNRESET npm ERR! network abortednpm ERR! network This is a problem related to network connectivity.npm ERR! network In most cases you are behind a proxy or have bad network settings.npm ERR! networknpm ERR! network If you are behind

2023-07-18 17:08:09 3557

原创 Hive 卡住 Kill Command = //opt/soft/hadoop/bin/hadoop job -kill job_1679903056287_0001

Hive 卡主 Kill Command = //opt/soft/hadoop/bin/hadoop job -kill job_1679903056287_0001

2023-03-27 15:49:25 527 2

原创 [SparkSQL] hive.exec.max.dynamic.partitions配置不起作用

[SparkSQL] hive.exec.max.dynamic.partitions配置不起作用在Hive的hive-site.xmlhive.exec.max.dynamic.partitions设置指定值在Spark的hive-site.xmlhive.exec.max.dynamic.partitions设置指定值如有其它问题欢迎大家评论区留言.

2022-04-07 16:57:46 2064

原创 Sqoop No statements may be issued when any streaming result sets are open and in use on a given conn

Sqoop import命令报错 No statements may be issued when any streaming result sets are open and in use on a given connection. Ensure that you have called .close() on any active streaming result sets before attempting more queries.1.原命令: sqoop import --connect jd

2022-03-09 19:23:24 899

原创 thymeleaf img src动态参数赋值

thymeleaf img src动态参数赋值 <ul class="slides clearfix" th:each="imgList:${list}"> <li><img class="responsive" th:src="@{'~' + (${imgList})}"></li> </ul>

2021-10-24 18:22:15 904

原创 Window使用Jedis无法连接Linux下的Redis服务

发现问题:windows无法连接linux下的Redis发现问题::windows无法连接linux下的Redis将protected-mod yes 修改为protected-mod no ；意思是将redis的保护模式关闭掉，这样可以供外部来访问redis访问。1)注释掉 # bind 127.0.0.12)protected-mode no 改为no3)先启动防火墙然后开放6379端口systemctl start firewalldfirewall-cmd --zone=pub

2021-07-20 10:57:30 207

原创 HadoopHA启动步骤,三台虚拟机启动

HadoopHA启动步骤,三台虚拟机启动1.我这里是三台虚拟机2.先在每台虚拟机上启动zookeeper和Journalnode zkServer.sh start hadoop-daemon.sh start journalnode3.然后启动DFSstart-dfs.sh 4启动yarn.shstart-yarn.sh5使用jps查看进程namenodedatanoderesourcemanagernodemanagerzkfcjournalnodezookeepe

2021-04-15 11:26:36 458

原创 Scrapy报错KeyError: ‘item‘

Scrapy报错KeyError: 'item’已解决Scrapy报错KeyError: ‘item’,python爬取数据保据到文本文档.``yield scrapy.Request(picurl, callback=self.parse_pic,meta={item:item}) ..... item=response.meta['item']上边传输item的时候出现错误,内页无法接收得到,所以报错KeyError:'item’错误原代码:yield scrapy.Request(p

2021-04-15 11:15:39 2520 5