On 10/18/2012 05:18 PM, Camille Bégnis wrote:
>
> one of our users is experimenting (apparently) random applet death.
> The only hint we managed to collect -activating java logging on disk- is
> the attached trace.
For me an InterruptedException in Object.wait is not a big deal.
Therefore you'd better make sure that this is really this
InterruptedException which stops the applet.
Excerpts from the stack trace:
---
java.lang.InterruptedException
at java.lang.Object.wait(Native Method)
at sun.plugin2.message.Queue.waitForMessage(Unknown Source)
at sun.plugin2.message.Pipe.receive(Unknown Source)
at
sun.plugin2.main.client.MessagePassingExecutionContext.doCookieOp(Unknown
Source)
at
sun.plugin2.main.client.MessagePassingExecutionContext.getCookie(Unknown
Source)
at
sun.plugin2.main.client.PluginCookieSelector.getCookieFromBrowser(Unknown
Source)
at com.sun.deploy.net.cookie.DeployCookieSelector.getCookieInfo(Unknown
Source)
at com.sun.deploy.net.cookie.DeployCookieSelector.get(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.setCookieHeader(Unknown
Source)
at sun.net.www.protocol.http.HttpURLConnection.writeRequests(Unknown
Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown
Source)
at com.xmlmind.util.URLUtil.openStreamNoCache(URLUtil.java:1370)
at
com.xmlmind.xmledit.imagetoolkit.JavaImageToolkit$1.createImage(JavaImageToolkit.java:179)
at
com.xmlmind.xmledit.form.ImageViewportVP.createImage(ImageViewportVP.java:516)
at
com.xmlmind.xmledit.form.ImageViewportVP.createImageContent(ImageViewportVP.java:308)
at
com.xmlmind.xmledit.styledgadget.AbstractImageViewport.layoutContent(AbstractImageViewport.java:262)
---
Another strange this about this stack trace is that
AbstractImageViewport.layoutContent (in both v5.3 and v5.4) catches all
Throwables which could be raised by ImageViewportVP.createImageContent.
Therefore I don't understand how you could see this stack trace.
>
> Any idea where this could come from?
Not really.
If you don't have this problem with a different Java runtime (e.g. try
an older Java 1.7 or latest Java 1.6), then it's a bug in the Java
runtime of this specific user. (Remember that an applet always runs on
the machine of the end user, not on your servers.)
Otherwise the usual suspects are the network proxy or firewall of this
user or its anti-virus software. An anti-virus software may act on
opened sockets and forcibly close network connections (we have actually
seen that.)
The Java bug database may also give you ideas about what happens. See
for example:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7177454
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