Cancels a job not yet executed. This may fail for the following reasons:
<itemizedlist>
<listitem><para>the job id could not be found, either because it has already been treated or because
it does not exist or because it was created in another thread</para></listitem>
<listitem><para>the job id is currently being treated by the worker thread</para></listitem>
</itemizedlist>
Cancels a job not yet executed. This may fail for the following reasons: <itemizedlist> <listitem><para>the job id could not be found, either because it has already been treated or because it does not exist or because it was created in another thread</para></listitem> <listitem><para>the job id is currently being treated by the worker thread</para></listitem> </itemizedlist>