Re: Chrome GWT Plugin required but is already installed

Thank you Jens. This would explain it. 

I can't find any way to downgrade Google Chrome on my mac. I don't appear to have a Google Software Update app as some webpage suggested I should. 

GWT 2.7.0 won't compile my application (2.6.1 has no problem). The error message is so cryptic there's no hope to figure out why. 

I've tried for 3 hrs now to get Super Dev Mode to work but the documentation is terrible so I can't figure it out. I'm hoping you can help with that since I'm out of options. 

I can't understand the GWT documentation on running SuperDevMode. It says:

If you are not using Dev Mode, first you need to compile the GWT application and launch a web server that serves its output files.

I don't know what that means. Are they suggesting that I simply create a standard war file and deploy that on a web server like Tomcat? 

The instructions on running the code-server are also lacking details. I've no idea how to launch this codeserver or set up my classpaths. I've tried using the maven gwt:run-codeserver goal and it does a bunch of compilation and looks to launch a server but when I visit the URL I get this error in my browser:

HTTP ERROR: 500

Problem accessing /. Reason:

    org.eclipse.jetty.http.gzip.CompressedResponseWrapper.newCompressedStream(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;JII)Lorg/eclipse/jetty/http/gzip/AbstractCompressedStream;

and in the console I get:

[ERROR] java.lang.AbstractMethodError: org.eclipse.jetty.http.gzip.CompressedResponseWrapper.newCompressedStream(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;JII)Lorg/eclipse/jetty/http/gzip/AbstractCompressedStream;

[ERROR] at org.eclipse.jetty.http.gzip.CompressedResponseWrapper.getOutputStream(CompressedResponseWrapper.java:347)

[ERROR] at com.google.gwt.dev.codeserver.PageUtil.sendJsonAndHtml(PageUtil.java:89)

[ERROR] at com.google.gwt.dev.codeserver.WebServer.doGet(WebServer.java:174)

[ERROR] at com.google.gwt.dev.codeserver.WebServer.handleRequest(WebServer.java:158)

[ERROR] at com.google.gwt.dev.codeserver.WebServer.access$000(WebServer.java:65)

[ERROR] at com.google.gwt.dev.codeserver.WebServer$1.doGet(WebServer.java:123)

[ERROR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)

[ERROR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)

[ERROR] at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:669)

[ERROR] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1336)

[ERROR] at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:82)

[ERROR] at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:294)

[ERROR] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)

[ERROR] at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)

[ERROR] at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229)

[ERROR] at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)

[ERROR] at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)

[ERROR] at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)

[ERROR] at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)

[ERROR] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)

[ERROR] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)

[ERROR] at org.eclipse.jetty.server.Server.handle(Server.java:365)

[ERROR] at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485)

[ERROR] at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926)

[ERROR] at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988)

[ERROR] at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635)

[ERROR] at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)

[ERROR] at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)

[ERROR] at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628)

[ERROR] at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)

[ERROR] at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)

[ERROR] at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)

[ERROR] at java.lang.Thread.run(Thread.java:745)

Any ideas why this isn't working?

Thanks,

Alex

On Friday, November 28, 2014 2:27:04 PM UTC-8, Jens wrote:

Latest Chrome on Mac OS is now 64bit but the browser plugin is only 32bit so it does not work anymore.

You can:

- downgrade your Chrome to version 38 and turn off auto update

- use Firefox 24 ESR or 26 (GWT plugin does not work in newer versions of Firefox)

- instead of DevMode use SuperDevMode which does not require any browser plugins.

-- J.

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