通过添加 !,我们排除了这些文件,只留下那些没有任何用户有写权限的文件 [root@master ~]# find /etc -type f ! -perm /u=w,g=w,o=w /etc/pki/ca-trust/extracted/java/cacerts /etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem /etc...
I use netty + resteasy + swagger, but still something is wrong when requesthttp://127.0.0.1:12345/swagger.son, the response from server is : RESTEASY003880: Unable to find contextual data of type: javax.servlet.ServletContext this is my spring xml : ...
Prequential Evaluation - IndexError: index 0 is out of bounds for axis 0 with size 0 How to position CAShapeLayer in a UIView How can I access the first attempt's yarn log? What sql data type should I use to store execution time in milliseconds?
schema=<null>,driver=com.mysql.cj.jdbc.Driver,username=root,jndi=jdbc/JiraDS,type=<null>,transactionSupport=<null>,properties=<null>,cargoString=<null>,libArtifacts=[mysql:mysql-connector-java:6.0.4:null],defaultDatabase=<null>,systemUsername=<null>,dumpFilePath=<null...
find . -type f -name "*.java" -exec grep -l StringBuffer {} \; # find StringBuffer in all *.java files find . -type f -name "*.java" -exec grep -il string {} \; # ignore case with -i option find . -type f -name "*.gz" -exec zgrep 'GET /foo' {} \; # search ...
问题描述: com.alibaba.excel.exception.ExcelDataConvertException: Can not find 'Converter' support class ArrayList. 问题分析: 1、查看doWrite(List data)的源码时发现Converter接口的convertT... Java代码中执行存储过程和函数 一:先看几个概念: 首先,自己参考了几篇文章,写的很不错,自己也借鉴一下,然后会...
es启动could not find java in java_home Es启动es.init no match found,安装ELK一定要版本一致!,不然会出现各种意想不到的问题,我已经踩过坑了!大坑!问题一:启动内存不足解决:编辑安装目录/elasticsearch-5.1.1/config下的jvm.options#-Xms2g(默认是2g)#-Xmx2g(默
find . -type f -not -name"*.html" # find all files not ending in".html" find files by text in the file (find + grep) --- find . -type f -name"*.java" -exec grep -l StringBuffer {} \; # find StringBuffer in all *.java files find . -type f -name"*.java" -exec gr...
type.TypeException: Could not resolve type alias 'userMap'. Cause: java.lang.ClassNotFoundException: Cannot find class: userMap 39 at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:797) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE] 40 ...
在返回值这种级别上担心性能问题是不明智的,除非分析表明这个方法是造成性能问题的真正源头对于不返回任何元素的调用,每次返回同一个零长度数组是有可能的,因为零长度数组不可变的,而不可变对象可能被自由的共享...,没理由返回null,二是返回一个零长度的数组或者集合。...Java 的返回值为null 的做法,很可能是从C...