Tomcat

Document base /home/ec2-user/myproject/web does not exist or is not a readable directory

由 [亡魂溺海] 提交于 2021-01-28 12:20:51
问题 I am deploying my project to AWS with Apache Tomcat 7. I added the ROOT.xml into Catalina/localhost/ like this <Context path="/" docBase="/home/ec2-user/myproject/web" workDir="/home/ec2-user/myproject/work" crossContext="true"> </Context> Starting Tomcat gives me the famous exception of Tomcat, but sadly, I cannot resolve it java.lang.IllegalArgumentException: Document base /home/ec2-user/myproject/web does not exist or is not a readable directory at org.apache.naming.resources

Websockets in Jelastic: DeploymentException: The HTTP response from the server did not permit the HTTP upgrade to WebSocket

由 最后都变了- 提交于 2021-01-28 12:09:58
问题 I'm trying to play with websockets, so I created WS server like that: @ServerEndpoint(value = "/chat") public class WsChatServlet{ private static final Logger LOGGER = Logger.getLogger(WsChatServlet.class.getName()); @OnOpen public void onOpen(Session session) { LOGGER.log(Level.INFO, "New connection with client: {0}", session.getId()); } @OnMessage public String onMessage(String message, Session session) { LOGGER.log(Level.INFO, "New message from Client [{0}]: {1}", new Object[] {session

Single Sign on implementation in Tomcat

由 最后都变了- 提交于 2021-01-28 12:00:38
问题 I have three jsf web application deployed on tomcat web server with SSL/TLS enabled. Now I want to build some kind of SSO authentication with particular roles. In tomcat conf/server.xml there is line: <Valve className="org.apache.catalina.authenticator.SingleSignOn" /> so I got idea that tomcat maybe have his own SSO implementation. Does anyone know where to find more information about this or some code examples? Thanks in advance 回答1: After many hours of research I found solution, so I will

what happens when I configure a servlet before a filter in tomcat's web.xml?

由 有些话、适合烂在心里 提交于 2021-01-28 11:57:18
问题 In tomcat for a certain url, I want to skip all the filters and execute a servlet and I thought placing the servlet before the filter will to as I expected but still the filters behind the servlet mappings are executing. Am I doing anything wrong? For instance, this is my web.xml <servlet> <servlet-name>APIRedirection</servlet-name> <servlet-class>com.test.APIRedirection</servlet-class> </servlet> <servlet-mapping> <servlet-name>APIRedirection</servlet-name> <url-pattern>/abc/*</url-pattern>

程序员入职新公司，只需8步，直接凸显出个人价值

由 ∥☆過路亽．° 提交于 2021-01-28 05:30:47
如果你初入职场，你是否对职场充满好奇与期待；如果你刚刚跳槽，你是否迫切地希望展示自己的才华！当你进入新公司之后，如何能够快速上手工作、融入团队，展现能力，凸显价值？ 如果你对新职场存有困惑，以下八个方面一定会让你有所收获，使你的职业规划更加清晰，提高竞争力，更重要的是掌握职业发展的方法论。 1、如何调整心态以适应新环境； 2、初入公司如何给自己设定目标； 3、作为程序员，如何快速上手项目； 4、作为新人，如何快速了解公司的业务； 5、如何尽快了解企业文化并融入团队； 6、如何在试用期内，快速证明自己的能力； 7、如何快速体现自己的价值； 8、如何在新公司做好自己的职业规划； 一、如何调整心态以适应新环境 人们常说，心态决定一切，无论做什么事情，心态都是很重要的一个因素。虽然我们不能改变周围的环境、不能改变别人，但是我们可以调整自己的心态，改变自己。有个好的心态，遇到事情就会从容不迫，心态好，一切都会好。 我将分别从职场新人和跳槽人士两个部分来谈一谈如何调整心态以适应新的工作环境。 1、初入职场六个注意 作为一个职场新人，最重要的变化是从学校的学习生活转变进入职场的工作生活，一切都是新鲜的，步入职场就是进入了社会。其实学校也是一个社会，只不过学校里面没有那么多事情，周围的同学也比较单纯，没有那么复杂。进入职场，其实是进入社会的开始，职场里的人是竞争的关系，能者上，面对各种利益关系

Implementing different destinations in applications on the Tomcat server

由 匆匆过客 提交于 2021-01-28 05:09:24
问题 Earlier this year I developed an implementation of the SAP JCO CustomDestinationProvider for one of my Spring MVC tomcat applications. In my application, I use this implementation to call a BAPI in my SAP R/3 system to retrieve data. I am now working on a second Spring MVC tomcat application that I want to have call a BAPI in my SAP R/3 system to retrieve data. It will be a different BAPI that I will be calling, thus it will be different data that I will be retrieving. Since this is a

Deploy geoserver on tomcat 8

由 ⅰ亾dé卋堺 提交于 2021-01-28 05:08:12
问题 I have recently managed (not without effort) to install tomcat 8 on a Debian 8.1 distant server. My goal is to run a webapp called geoserver on that tomcat server. So in my /var/lib/tomcat8/webapps directory, I created a new directory called geoserver/ , and in that directory I uploaded the .war file called geoserver.war . Then I went in /var/lib/tomcat8/conf (which is actually a symbolic link that redirects me to /etc/tomcat8 and edited the tomcat-users.xml file, adding between the <tomcat

is it possible a java web application can call another java web application in same localhost of tomcat server

由 我的梦境 提交于 2021-01-28 05:00:36
问题 i am trying to deploy two web applications say appA and appB in same local host tomcat server and when the both the applications are up in running is it possible to call appB to appA using ajax call or redirect 回答1: What you are looking for toa chieve can be done using the following tomcat parameter: (from docs) crossContext Set to true if you want calls within this application to ServletContext.getContext() to successfully return a request dispatcher for other web applications running on

java.lang.NoClassDefFoundError: HttpServletRequest [duplicate]

由 末鹿安然 提交于 2021-01-28 03:42:11
问题 This question already has answers here : java.lang.NoClassDefFoundError: javax/servlet/http/HttpServletRequest (4 answers) Closed 5 years ago . I might have done something really stupid. I was playing around with directories and what not, and now my tomcat server won't start my dynamic web project on eclipse. Please help. I don't know if this has something to do with the directory or not, but it's giving an error when I try to run my project in the server. Caused by: java.lang

Android+Java Web+MySQL实现登录注册

由 别说谁变了你拦得住时间么 提交于 2021-01-28 03:41:11
1 前言&概述 这篇文章是基于 此处文章 的更新，更新了一些技术栈，更加贴近实际需要，以及修复了若干的错误。 这是一个前端 Android +后端 Java/Kotlin 通过 Servelt 进行后台数据库（ MySQL ）交互的详细步骤以及源码实现，技术栈： Android 基础 原生 JDBC +原生 Servlet Tomcat + MySQL （ Docker ） 当然现在的很多 Java 后端开发都使用了 Spring Boot 而不是原生的 Servlet ，所以使用 Spring Boot 实现的可以笔者的 另一篇文章 。 尽管基于 Spring Boot 实现非常的简便，但是使用原生的 Servlet 更能理解底层的原理。另外本篇文章是偏基础向的教程，很多步骤都会比较详细而且附上了图，好了废话不说，正文开始。 2 环境 Android Studio 4.1.2 IntelliJ IDEA 2020.3 MySQL 8.0.23 Tomcat 10.0 Docker 20.10.1 服务器 CentOS 8.1.1911 3 环境准备 3.1 IDE 准备 官网安装 Android Studio + IDEA ，这部分就省略了。 3.2 MySQL 3.2.1 安装概述 这里的 MySQL 若无特殊说明指的是 MySQL Community 。 首先，在
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