[Debian-med-packaging] Bug#966878: figtree: FTBFS: [javac] /<<PKGBUILDDIR>>/src/figtree/application/JSONTreeExporter.java:56: error: JSONTreeExporter is not abstract and does not override abstract method close() in TreeExporter

[Lucas Nussbaum]

Source: figtree
Version: 1.4.4-4
Severity: serious
Justification: FTBFS on amd64
Tags: bullseye sid ftbfs
Usertags: ftbfs-20200802 ftbfs-bullseye

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.

Relevant part (hopefully):
>  debian/rules build
> make: 'build' is up to date.
>  fakeroot debian/rules binary
> dh binary --with javahelper
>    dh_update_autotools_config
>    dh_autoreconf
>    dh_auto_configure
>    jh_linkjars
>    dh_auto_build
> 	ant -Duser.name debian
> Buildfile: /<<PKGBUILDDIR>>/build.xml
> 
> init:
>    [tstamp] Honouring environment variable SOURCE_DATE_EPOCH which has been set to 1575395523
>     [mkdir] Created dir: /<<PKGBUILDDIR>>/dist
> 
> compile:
>     [javac] /<<PKGBUILDDIR>>/build.xml:40: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds
>     [javac] Compiling 127 source files to /<<PKGBUILDDIR>>/build
>     [javac] warning: [options] bootstrap class path not set in conjunction with -source 6
>     [javac] warning: [options] source value 6 is obsolete and will be removed in a future release
>     [javac] warning: [options] target value 1.6 is obsolete and will be removed in a future release
>     [javac] warning: [options] To suppress warnings about obsolete options, use -Xlint:-options.
>     [javac] /<<PKGBUILDDIR>>/src/figtree/application/JSONTreeExporter.java:56: error: JSONTreeExporter is not abstract and does not override abstract method close() in TreeExporter
>     [javac] public class JSONTreeExporter implements TreeExporter {
>     [javac]        ^
>     [javac] /<<PKGBUILDDIR>>/src/figtree/application/JSONTreeExporter.java:181: error: exportTrees(Collection<? extends Tree>) in JSONTreeExporter cannot implement exportTrees(Collection<? extends Tree>) in TreeExporter
>     [javac]     public void exportTrees(Collection<? extends Tree> trees) throws IOException {
>     [javac]                 ^
>     [javac]   overridden method does not throw IOException
>     [javac] /<<PKGBUILDDIR>>/src/figtree/application/JSONTreeExporter.java:83: error: exportTree(Tree) in JSONTreeExporter cannot implement exportTree(Tree) in TreeExporter
>     [javac]     public void exportTree(Tree tree) throws IOException {
>     [javac]                 ^
>     [javac]   overridden method does not throw IOException
>     [javac] Note: Some input files use or override a deprecated API.
>     [javac] Note: Recompile with -Xlint:deprecation for details.
>     [javac] Note: Some input files use unchecked or unsafe operations.
>     [javac] Note: Recompile with -Xlint:unchecked for details.
>     [javac] 3 errors
>     [javac] 4 warnings
> 
> BUILD FAILED
> /<<PKGBUILDDIR>>/build.xml:40: Compile failed; see the compiler error output for details.
> 
> Total time: 2 seconds
> dh_auto_build: error: ant -Duser.name debian returned exit code 1
> make: *** [debian/rules:10: binary] Error 25

The full build log is available from:
   http://qa-logs.debian.net/2020/08/02/figtree_1.4.4-4_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.