[jetty-users] jetty 8.0.4 websocket problem..

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[jetty-users] jetty 8.0.4 websocket problem..

From: Seonhong Ahn <seonhong.ahn@xxxxxxxxx>
Date: Fri, 23 Dec 2011 16:24:53 +0900
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Hi all ^^

I develop a websocket application with jetty 8.0.4..

I have a problem like this..

-----------------------------------------------------------------------------------------------------------------------------------------------------------------------

[INFO] Scanning for projects...

[WARNING] The POM for org.mortbay.jetty:maven-jetty-plugin:jar:8.0.4 is missing, no dependency information available

[WARNING] Failed to retrieve plugin descriptor for org.mortbay.jetty:maven-jetty-plugin:8.0.4: Plugin org.mortbay.jetty:maven-jetty-plugin:8.0.4 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.mortbay.jetty:maven-jetty-plugin:jar:8.0.4

[INFO]

[INFO] ------------------------------------------------------------------------

[INFO] Building jetty8 Maven Webapp 0.0.1-SNAPSHOT

[INFO] ------------------------------------------------------------------------

[WARNING] The POM for org.mortbay.jetty:maven-jetty-plugin:jar:8.0.4 is missing, no dependency information available

[INFO]

[INFO] >>> jetty-maven-plugin:8.1.0.RC1:run (default-cli) @ jetty8 >>>

[INFO]

[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ jetty8 ---

[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!

[INFO] Copying 0 resource

[INFO]

[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ jetty8 ---

[INFO] Nothing to compile - all classes are up to date

[INFO]

[INFO] --- maven-resources-plugin:2.4.3:testResources (default-testResources) @ jetty8 ---

[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!

[INFO] Copying 0 resource

[INFO]

[INFO] --- maven-compiler-plugin:2.3.2:testCompile (default-testCompile) @ jetty8 ---

[INFO] Nothing to compile - all classes are up to date

[INFO]

[INFO] <<< jetty-maven-plugin:8.1.0.RC1:run (default-cli) @ jetty8 <<<

[INFO]

[INFO] --- jetty-maven-plugin:8.1.0.RC1:run (default-cli) @ jetty8 ---

[INFO] Configuring Jetty for project: jetty8 Maven Webapp

[INFO] webAppSourceDirectory E:\eGovFrameDev-2.0.0-FullVer\workspace\jetty8\src\main\webapp does not exist. Defaulting to E:\eGovFrameDev-2.0.0-FullVer\workspace\jetty8\src\main\webapp

[INFO] Reload Mechanic: automatic

[INFO] Classes = E:\eGovFrameDev-2.0.0-FullVer\workspace\jetty8\target\classes

2011-12-23 15:39:42.578:INFO:oejs.Server:jetty-8.1.0.RC1

[INFO] Context path = /

[INFO] Tmp directory = E:\eGovFrameDev-2.0.0-FullVer\workspace\jetty8\target\tmp

[INFO] Web defaults = org/eclipse/jetty/webapp/webdefault.xml

[INFO] Web overrides = none

[INFO] web.xml file = file:/E:/eGovFrameDev-2.0.0-FullVer/workspace/jetty8/src/main/webapp/WEB-INF/web.xml

[INFO] Webapp directory = E:\eGovFrameDev-2.0.0-FullVer\workspace\jetty8\src\main\webapp

2011-12-23 15:39:43.244:INFO:oejpw.PlusConfiguration:No Transaction manager found - if your webapp requires one, please configure one.

2011-12-23 15:39:45.531:INFO:oejsh.ContextHandler:started o.m.j.p.JettyWebAppContext{/,file:/E:/eGovFrameDev-2.0.0-FullVer/workspace/jetty8/src/main/webapp/},file:/E:/eGovFrameDev-2.0.0-FullVer/workspace/jetty8/src/main/webapp/PocWebSocketServletContextListener has received a servlet context event.

PocWebSocketHandler is created.

2011-12-23 15:39:45.558:INFO:oejs.Server:jetty-8.1.0.RC1

2011-12-23 15:39:45.591:INFO:oejs.AbstractConnector:Started SelectChannelConnector@0.0.0.0:8081 STARTING

2011-12-23 15:39:45.616:INFO:oejsh.ContextHandler:started o.m.j.p.JettyWebAppContext{/,file:/E:/eGovFrameDev-2.0.0-FullVer/workspace/jetty8/src/main/webapp/},file:/E:/eGovFrameDev-2.0.0-FullVer/workspace/jetty8/src/main/webapp/

2011-12-23 15:39:45.653:INFO:oejs.AbstractConnector:Started SelectChannelConnector@0.0.0.0:8080 STARTING

[INFO] Started Jetty Server

PocWebSocket is created.

2011-12-23 15:40:49.537:WARN:oejs.HttpConnection:/

java.lang.NullPointerException

at org.eclipse.jetty.websocket.WebSocketFactory.upgrade(WebSocketFactory.java:201)

at org.eclipse.jetty.websocket.WebSocketFactory.acceptWebSocket(WebSocketFactory.java:326)

at org.eclipse.jetty.websocket.WebSocketHandler.handle(WebSocketHandler.java:38)

at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110)

at org.eclipse.jetty.server.Server.handle(Server.java:346)

at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:442)

at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:924)

at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:582)

at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:218)

at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:51)

at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:586)

at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:44)

at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:598)

at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:533)

at java.lang.Thread.run(Thread.java:662)

-------------------------------------------------------------------------------------------------------------------------------------------

I made a WebSocketServletContextListener implementing ServletContextListener.

And in this class, I started a jetty server which had a WebSocketHandler set DefaultHandler.

I register this class as a listener in web.xml.

Client ia a chrome 16.0.912.63 m.

On client,

var location = "ws://localhost:8081";

this._ws = new WebSocket(location);

Is this problem why client and server's websocket version is different ?

I don't know what jetty's websocket version is.

As I know chrome v.16 supports Hybi17..

I don't know what I would do....-.-;;

I wish you have an answer or hint..

Thank you all for reading..

and thank you so much for your answer in advance..

Happy Christmas ~ ^_____^

----------------------------------------------------------------------------------

Seonhong Ahn

Director of Research and Development

Collabra Co.

960-6 Deachi-dong, Gangnam-gu, Seoul, Korea 135-280

Tel. 82-70-8670-6929 Fax. 82-2-6280-4807

Mobile 82-10-8292-3923

E-mail seonhong.ahn@xxxxxxxxx / shahn@xxxxxxxxxxxxxx

www.collabra.co.kr

----------------------------------------------------------------------------------

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