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Question: Start the Tomcat times error, and keep on going Exception in Thread "Http-bio-8080-exec-2" Java.lang.OutOfMemoryError:PermGen Exception in Thread "http-bio-8080-exec-3" Java.lang.OutOfMemoryError:PermGen Exception in Thread "

Idea Exception in thread "http-apr-8080-exec-2" Java.lang.OutOfMemoryError:PermGen space?????Vm Options -xms2048m-xmx2048m-xx:maxpermsize=4096m-drebel.spring_plugin=true-drebel.spring_mvc_plugin=true- Drebel.hibernate_plugin=true ????-mx2048m-xx:maxpermsize=2048m-drebel. Spring_plugin=true -drebel. Hibernate_plugin=true

Chapter One: Understanding Web and Network Fundamentals1.http: Hypertext Transfer Protocol2.TCP/IP protocol family: The network usually used is based on the TCP/IP protocol family, and HTTP belongs to a subset within it.The 3.TCP/IP protocol family is divided into the following layers: application layer, Transport layer, network layer, data link layer, respectively. The benefit of stratification is clear di

1MariaDB [zabbix]>Selectauthentication_type from config;2+---------------------+3| Authentication_type |4+---------------------+5|2|6+---------------------+7 1RowinchSet (0.00sec)8 9MariaDB [zabbix]> Update config Set authentication_type =0 ;TenQuery OK,1Row affected (0.00sec) OneRows matched:1Changed:1Warnings:0 A -MariaDB [zabbix]>Selectauthentication_type from config; -+---------------------+ the| Authe

Introduction to HTTP/2 Header Compression Technology (1) We know that the HTTP/2 protocol is composed of two RFC: one is RFC 7540, which describes the HTTP/2 protocol itself; the other

Learning node (2) from 0 to 1 and building an http server During the course of the previous section, we learned about the connection and differences between different module specifications. In this section, we officially started learning about node. First, we started from setting up an http server and running simple p

A few days ago, and then almost two weeks did not post blog. Formally returned today. Ha ha1. RoutingWhen it comes to routing at the time of learning to me puzzled for a few days,. Did not look closely at the document. Then a blind face to use postman[Google plug-in] test the routing method. And then it was strange that composer downloaded Laravel why the only get routing method that was tested in postman was used, similar to this:Laravel routing in app/http