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[Bug 292755] Re: [Intrepid amd64] openjdk-6 can't run www.goproblems.com correctly

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Here's the error message:
Java Plug-in 1.6.0_15
Utilisation de la version JRE 1.6.0_15-b03 Java HotSpot(TM) Server VM
(...)

charger : classe com.adum.go.GoApplet.class introuvable.
java.lang.ClassNotFoundException: com.adum.go.GoApplet.class
	at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:152)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:445)
	at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2880)
	at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1397)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.UnknownHostException: www.goproblems.com
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
	at java.net.Socket.connect(Socket.java:525)
	at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
	at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
	at sun.net.www.http.HttpClient.New(HttpClient.java:306)
	at sun.net.www.http.HttpClient.New(HttpClient.java:323)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
	at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
	at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:458)
	at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:46)
	at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:126)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:123)
	... 6 more
Exception : java.lang.ClassNotFoundException: com.adum.go.GoApplet.class
charger : classe com.adum.go.GoApplet.class introuvable.
java.lang.ClassNotFoundException: com.adum.go.GoApplet.class
	at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:152)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:445)
	at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2880)
	at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1397)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.io.IOException: open HTTP connection failed:http://www.goproblems.com/com/adum/go/GoApplet/class.class
	at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:460)
	at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:46)
	at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:126)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:123)
	... 6 more
Exception : java.lang.ClassNotFoundException: com.adum.go.GoApplet.class
charger : classe com.adum.go.GoApplet.class introuvable.
java.lang.ClassNotFoundException: com.adum.go.GoApplet.class
	at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:152)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:445)
	at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2880)
	at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1397)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.io.IOException: open HTTP connection failed:http://www.goproblems.com/com/adum/go/GoApplet/class.class
	at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:460)
	at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:46)
	at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:126)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:123)
	... 6 more
Exception : java.lang.ClassNotFoundException: com.adum.go.GoApplet.class
charger : classe com.adum.go.GoApplet.class introuvable.
java.lang.ClassNotFoundException: com.adum.go.GoApplet.class
	at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:152)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:445)
	at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2880)
	at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1397)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.io.IOException: open HTTP connection failed:http://www.goproblems.com/com/adum/go/GoApplet/class.class
	at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:460)
	at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:46)
	at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:126)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:123)
	... 6 more
Exception : java.lang.ClassNotFoundException: com.adum.go.GoApplet.class
charger : classe com.adum.go.GoApplet.class introuvable.
java.lang.ClassNotFoundException: com.adum.go.GoApplet.class
	at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:152)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:445)
	at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2880)
	at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1397)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.io.IOException: open HTTP connection failed:http://www.goproblems.com/com/adum/go/GoApplet/class.class
	at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:460)
	at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:46)
	at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:126)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:123)
	... 6 more
Exception : java.lang.ClassNotFoundException: com.adum.go.GoApplet.class


("charger : classe com.adum.go.GoApplet.class introuvable." means "load: class  com.adum.go.GoApplet.class not found")

-- 
[Intrepid amd64] openjdk-6 can't run www.goproblems.com correctly
https://bugs.launchpad.net/bugs/292755
You received this bug notification because you are a member of OpenJDK,
which is subscribed to openjdk-6 in ubuntu.

Status in “openjdk-6” package in Ubuntu: Incomplete

Bug description:
Using the openjdk-6 plugin in Firefox, www.goproblems.com applets don't display properly : horizontal top brown bar height is often too big, and then the bottom of the applet is cut - see first attached screenshot.

Moreover, when it display properly and the user solves a problem on one of the time trials, clicking the "Click for Next problem" leads to a page :
"Not Found

The requested URL /àhv was not found on this server.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request."

To solve a problem if you don't know Go, choose a 30k or 25k trial (top right on the www.goproblems.com main page), then try to solve a problem. After you fail a few times, you can acccess "See solution" on the left. Reload the page, solve the problem as in the solution, and you can try the bug.

References

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