My aim: I want to broadcast a message to all clients on my page when a specific event occurs. This will probably happen all 15 seconds.
I wanted to work with Websockets and it looks pretty good at the moment. After watching different talks and read multiple project declarations and the official doc, I think I got the deal.
However, I'm stuck on this error message and I don't know what to do anymore:
JBWEB000034: Cannot upgrade from HTTP/1.1 without IO events
Setup:
- Spring Version 4.1.1
- JBoss EAP 6.3
- IntelliJ
- Maven
I'll dump out all my configurations and the current state of code:
WebsocketController
@Controller
public class WebsocketController extends TextWebSocketHandler{
@MessageMapping
@SendTo("/topic/nextImg")
public Message nextImg() {
return new Message("next");
}
}
Message (simple DTO)
public class Message {
private String message;
public Message(String message) {
this.message = message;
}
public String getMessage() {
return message;
}
}
mvc-dispatcher-servlet.xml
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:task="http://www.springframework.org/schema/task"
xmlns:websocket="http://www.springframework.org/schema/websocket"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd
http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-4.1.xsd
http://www.springframework.org/schema/websocket http://www.springframework.org/schema/websocket/spring-websocket-4.1.xsd">
<context:component-scan base-package="global.pics"/>
<mvc:annotation-driven/>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/pages/"/>
<property name="suffix" value=".jsp"/>
</bean>
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- setting maximum upload size -->
<property name="maxUploadSize" value="10000000" />
</bean>
<bean id="websocketController" class="global.pics.websocket.WebsocketController"/>
<websocket:handlers>
<websocket:mapping path="/next" handler="websocketController"/>
<websocket:sockjs/>
</websocket:handlers>
<websocket:message-broker application-destination-prefix="/app">
<websocket:stomp-endpoint path="/next">
<websocket:sockjs/>
</websocket:stomp-endpoint>
<websocket:simple-broker prefix="/topic"/>
</websocket:message-broker>
<mvc:resources mapping="/resources/**" location="/resources/" />
<task:scheduled-tasks>
<task:scheduled ref="queueController" method="nextImg" fixed-rate="13370"/>
</task:scheduled-tasks>
<task:scheduled-tasks>
<task:scheduled ref="imageCounter" method="backup" fixed-delay="60000"/>
</task:scheduled-tasks>
</beans>
web.xml
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>share.pics.global</display-name>
<servlet>
<servlet-name>mvc-dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>mvc-dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!--update: context-param-->
<context-param>
<param-name>websockets-enabled</param-name>
<param-value>true</param-value>
</context-param>
</web-app>
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.springapp</groupId>
<artifactId>picsglobal</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>picsglobal</name>
<properties>
<spring.version>4.1.1.RELEASE</spring.version>
</properties>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.1.10.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.spec.javax.websocket</groupId>
<artifactId>jboss-websocket-api_1.1_spec</artifactId>
<version>1.1.1.Final</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.2.1</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-websocket</artifactId>
<version>1.2.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-messaging</artifactId>
<version>4.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<!--update: looks like this is nescessary for whatever reason-->
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-spring</artifactId>
<version>3.0.10.Final</version>
</dependency>
</dependencies>
<build>
<finalName>picsglobal</finalName>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<includes>
<include>**/*Tests.java</include>
</includes>
</configuration>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-releases</id>
<url>https://repo.spring.io/libs-release</url>
</repository>
<repository>
<id>central</id>
<url>http://repo1.maven.org/maven/</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-releases</id>
<url>https://repo.spring.io/libs-release</url>
</pluginRepository>
</pluginRepositories>
</project>
If I missed something you can find everything on my Github: https://github.com/r79/picsglobal
I hope anyone is able to help me. This thing gets pretty frustrated, even though it's sommehow my fault for not doing any of the examples and just trying to build something with it.
UPDATE:
I added context-params to my web.xml (see above). It looks like spring-web.xml is deprecated and the solution with the context-param is the updated form.
I also added the following dependency to my pom.xml.
I'm working with the newest Wildfly-Alpha at the moment (9.0.0) because it looks like the current productive version has a bug with spring: https://issues.jboss.org/browse/WFLY-3439
However, I still get error messages. I'm trying to fix those and update this thread if I find a solution. A possible quickfix for others encountering the problem might be switching to Tomcat, it seems it works there. I have to try running it with Wildfly first because I used some dependencies on JBoss.
Newer update:
Looks like the newest WildFly I tried to make this thing working (9.0.0.alpha1) has another bug with Spring: [unable to post a second link because my reputation here is to low, google for "wildfly 9 getresteasyspringvirtualfile", it was the first link there]
It looks like they pulled the Request into their development branch, but I'm not able to build it without errors. At this point, I stop trying to make it work with wildfly and switch to Tomcat.
Solution therefor is to wait out for a bug-free WildFly-environment or to just use Tomcat. I'll answer this Question as soon as I manage to get this thing running on Tomcat.
