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<p>this kind of error is linked to Java jdk/jre version.</p>
<p>Seems java compiled version does not match the installed
JRE/Java. Certainly related to a default Java version in Stretch
different from Jessie (upgraded with dist-upgrade).<br>
</p>
<br>
<div class="moz-cite-prefix">On 07/03/2017 10:59 AM, Andreas
Beckmann wrote:<br>
</div>
<blockquote type="cite"
cite="mid:20170703085926.11863.78190.reportbug@zam581.zam.kfa-juelich.de">
<pre wrap="">Package: biomaj-watcher
Version: 1.2.2-4
Severity: serious
User: <a class="moz-txt-link-abbreviated" href="mailto:debian-qa@lists.debian.org">debian-qa@lists.debian.org</a>
Usertags: piuparts
Hi,
during a test with piuparts I noticed your package fails to upgrade from
'jessie'.
It installed fine in 'jessie', then the upgrade to 'stretch' fails.
>From the attached log (scroll to the bottom...):
Setting up biomaj-watcher (1.2.2-4) ...
Exception in thread "main" java.lang.UnsupportedClassVersionError: WatcherConfigurator : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:803)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)
dpkg: error processing package biomaj-watcher (--configure):
subprocess installed post-installation script returned error exit status 1
This was observed while doing two-stage upgrade tests:
apt-get upgrade && apt-get dist-upgrade
during the apt-get upgrade phase.
A one-stage upgrade (only apt-get dist-upgrade) works fine.
There is probably an insufficiently versioned Depends (or Breaks) ...
but I have no idea which package could be meant with
Unsupported major.minor version 52.0
cheers,
Andreas
</pre>
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</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Olivier Sallou
IRISA / University of Rennes 1
Campus de Beaulieu, 35000 RENNES - FRANCE
Tel: 02.99.84.71.95
gpg key id: 4096R/326D8438 (keyring.debian.org)
Key fingerprint = 5FB4 6F83 D3B9 5204 6335 D26D 78DC 68DB 326D 8438
</pre>
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