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JPA出现recursion 死循环导致栈内存溢出问题 Could not write JSON: Infinite recursion (StackOverflowError)
实体类双向映射进行Json序列化时出现无限循环的解决问题 @JsonIgnore 被注解的字段忽略被序列化, 字段不再赋值. @JsonBackReference 只是遇到recursive只会序列化一遍, 序列化过的不会再循环序列化了, 字段还是会赋值. ...
分类:Web程序   时间:2020-02-21 14:23:19    阅读次数:271
Springboot启动报错:Failed to determine a suitable driver class
Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured. Reason: Failed to dete ...
分类:编程语言   时间:2020-02-21 12:36:39    阅读次数:71
idea中的bean自动注入提示错误
错误提示: Could not autowire. No beans of type xxx found 将setting中的检查级别调整为warning ...
分类:其他好文   时间:2020-02-20 15:33:39    阅读次数:94
MongoDB 分片初始化报错
报错如下:mongodb shard could not find host matching read preference {mode \"primary\" for set shard1 检查副本集shard1 主库正常,从库show dbs报错 报错误如下:not master and sl ...
分类:数据库   时间:2020-02-20 13:11:54    阅读次数:112
【音乐欣赏】《I Do What I Want》 - Missio
曲名:I Do What I Want 作者:Missio 1 [00:15.84]I wish I could party like I used to when I was young 2 [00:21.89] 3 [00:25.10]Now I like to party by myself ...
分类:其他好文   时间:2020-02-19 18:57:51    阅读次数:148
msf启动显示 Nodatabase support:could not connect to server: connection refused
如图,在启动msf时,一般都会自动连接上数据库,今天偶然出现这种情况。解决办法大致如下: exit退出当前msf 可以先用msfdb start 检查一下是否启动:netstat -pandu | grep 5432 没有启动的话,用service postgresql start来连接 ...
分类:数据库   时间:2020-02-19 14:57:19    阅读次数:110
【mysql】【springboot】启动报错Could not create connection to database server. Attempted reconnect 3 times. Giving up
原因是少了时区,加&serverTimezone=UTC jdbc:mysql://127.0.0.1:3306/my_test?useUnicode=true&characterEncoding=utf-8&autoReconnect=true&useSSL=false&serverTimezon ...
分类:数据库   时间:2020-02-19 01:11:09    阅读次数:116
SAP CRM Enterprise Search initial load遇到错误该如何处理
Initial Load: CRM_PRODUCT Web Dynpro Transaction: ESH_ADMIN_UI_COMPONENT Steps to perform: (1) Action: Schedule Indexing starts the indexing (2) Check ...
分类:其他好文   时间:2020-02-17 16:23:00    阅读次数:83
LeetCode 1169. Invalid Transactions
原题链接在这里:https://leetcode.com/problems/invalid-transactions/ 题目: A transaction is possibly invalid if: the amount exceeds $1000, or; if it occurs withi ...
分类:其他好文   时间:2020-02-17 13:57:48    阅读次数:84
A component required a bean named 'cacheManager' that could not be found.
*************************** APPLICATION FAILED TO START *************************** Description: A component required a bean named 'cacheManager' that ...
分类:系统相关   时间:2020-02-16 23:24:51    阅读次数:271
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