* Andreas Tille:
> Hi,
>
> in the COVID-19 packaging effort I need r-cran-rcdk as a predependency.
> I have injected it into r-pkg-team Git[1]. It is using the rjava interface
> and depends from r-cran-rcdklibs (which has a dependency from libcdk-java).
> When I try to build I get:
>
>
> ** installing vignettes
> ** testing if installed package can be loaded from temporary location
> Error: package or namespace load failed for 'rcdk':
> .onLoad failed in loadNamespace() for 'rcdk', details:
> call: .jnew("org/openscience/cdk/formula/rules/NitrogenRule")
> error: java.lang.NoClassDefFoundError:
> org/openscience/cdk/exception/CDKException
> Error: loading failed
> Execution halted
> ERROR: loading failed
> * removing
> '/build/r-cran-rcdk-3.5.0/debian/r-cran-rcdk/usr/lib/R/site-library/rcdk'
> dh_auto_install: error: R CMD INSTALL -l
> /build/r-cran-rcdk-3.5.0/debian/r-cran-rcdk/usr/lib/R/site-library --clean .
> "--built-timestamp='Mon, 23 Mar 2020 21:27:30 +0100'" returned exit code 1
> make: *** [debian/rules:4: binary] Error 25
> dpkg-buildpackage: error: debian/rules binary subprocess returned exit status
> 2
> I: copying local configuration
> E: Failed autobuilding of package
>
>
> I verified in the pbuilder chroot that the missing class exists in CLASSPATH:
>
> root:/# grep NitrogenRule /usr/share/java/*
> Binary file /usr/share/java/cdk-formula-2.3.jar matches
> Binary file /usr/share/java/cdk-formula.jar matches
Please check if /usr/share/java/cdk-interfaces.jar is on the
classpath. The missing class is
org.openscience.cdk.exception.CDKException (apparently a
superinterface of org.openscience.cdk.formula.rules.NitrogenRule), and
it's contained in that JAR file.
