openjdk team mailing list archive

[Tiago Daitx <tiago.daitx@xxxxxxxxxxxxx>]

On Wed, Nov 9, 2016 at 4:30 PM, Alain Rpnpif <rpnpif@xxxxxxx> wrote:
> Thanks for your answer.
> Yes the applet on
> https://www.w3.org/People/mimasa/test/object/java/clock work fine but
> with a lot of popup dialog to accept.
>
> I have also always errors when I used my Lexmark network printer
> scanner.
> I can control remotely the scanner but it claims that it was
> disconnected when it should upload the picture file to the client. So it
> is unusable with this openjdk.
>
> Before that openjdk was updated, all work fine.
>
> Is it a new permission problem ?
>
> On the local computer, here are the errors from syslog with the
> scanner :
>
> IcedTea-Web java error - for more info see itweb-settings debug options
> or console. See
> http://icedtea.classpath.org/wiki/IcedTea-Web#Filing_bugs for help.
> IcedTea-Web java error manual log: java.io.IOException: Server returned
> HTTP response code: 501 for URL:
> http://192.168.1.201/cgi-bin/dynamic/printer/applets/applets.jar at

This indicates that the HTTP request failed on the server side, but
there's not enough information to understand why and I am unable to
reproduce it as I have no such scanner.

I need something that I can reproduce locally, could you please test a
publicly available applet that was known to work on the older openjdk
version and is now failing on the new one?


Also, I took another look at the default java applet test at
https://www.java.com/en/download/installed.jsp because it worked fine
from a newer distro running OpenJDK 8. The actual error was a
NullPointerException at
SecurityDialogs.showMatchingALACAttributePanel, as shown bellow:

[tdaitx][ITW-JAVAWS][ERROR_DEBUG][Wed Nov 09 17:11:40 BRST
2016][net.sourceforge.jnlp.AbstractLaunchHandler.printMessage(AbstractLaunchHandler.java:67)]
NETX Thread# 55b76aab, name Java Detection
net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error:
Could not initialize applet. For more information click "more
information button".
        at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:739)
        at net.sourceforge.jnlp.Launcher.launchApplet(Launcher.java:640)
        at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:907)
Caused by: java.lang.NullPointerException
        at net.sourceforge.jnlp.security.SecurityDialogs.showMatchingALACAttributePanel(SecurityDialogs.java:299)
        at net.sourceforge.jnlp.runtime.ManifestAttributesChecker.checkApplicationLibraryAllowableCodebaseAttribute(ManifestAttributesChecker.java:341)
        at net.sourceforge.jnlp.runtime.ManifestAttributesChecker.checkAll(ManifestAttributesChecker.java:83)
        at net.sourceforge.jnlp.runtime.JNLPClassLoader.<init>(JNLPClassLoader.java:288)
        at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:351)
        at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:418)
        at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:394)
        at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:704)
        ... 2 more


I found a similar bug report at
https://bugzilla.redhat.com/show_bug.cgi?id=1299976 (it's for a
different function), but the solution was to upgrade icedtea-web. I
built icedtea-web 1.6.2 for jessie and was able to get it working. Let
me know if you are willing to try it locally and see if it also fixes
your lexmark scanner client - I can then provide you with the deb
files for testing.

thanks