Yes, we use this to test compiling on jenkins with a jdk6 system while running the build on a jdk8 system, at the request of Simon Steiner.

It worked fine for a long time, although currently it doesn't. (Because it works only with some maven versions)

Tilman

Am 01.06.2020 um 21:01 schrieb Tim Allison:
Do we need this line?  Are we getting benefit from specifying a different
jdk via JAVA_HOME that we wouldn't get from letting maven use the active
"alternative"?

Anyways, all good.  Sorry for the noise.

On Mon, Jun 1, 2020 at 2:43 PM Tim Allison <talli...@apache.org> wrote:

User error...I recently reimaged my laptop and forgot to set JAVA_HOME,
which needs to be picked up here:

<jdk.path>${env.JAVA_HOME}</jdk.path>

for use here:

<executable>${jdk.path}/bin/javac</executable>


On Mon, Jun 1, 2020 at 2:37 PM Tim Allison <talli...@apache.org> wrote:

I get the same behavior (compiler failing at fontbox) with Java 11 on
ubuntu.  I'm sure this is user error, but it is weird.

Apache Maven 3.6.3
Maven home: /usr/share/maven
Java version: 11.0.7, vendor: AdoptOpenJDK, runtime:
/usr/lib/jvm/adoptopenjdk-11-hotspot-amd64
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "5.4.0-33-generic", arch: "amd64", family:
"unix"

On Mon, Jun 1, 2020 at 2:24 PM Tim Allison <talli...@apache.org> wrote:

Thank you, Tilman.

Apache Maven 3.6.3
Maven home: /usr/share/maven
Java version: 1.8.0_252, vendor: AdoptOpenJDK, runtime:
/usr/lib/jvm/adoptopenjdk-8-hotspot-amd64/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "5.4.0-33-generic", arch: "amd64", family:
"unix"

I specified 3.8.0 and 3.8.1 and still got the following...with no useful
information...or...where do I look for useful information?

[INFO]
------------------------------------------------------------------------
[INFO] Reactor Summary for PDFBox reactor 2.0.20-SNAPSHOT:
[INFO]
[INFO] PDFBox parent ...................................... SUCCESS [
  2.719 s]
[INFO] Apache FontBox ..................................... FAILURE [
  1.304 s]
[INFO] Apache XmpBox ...................................... SKIPPED
[INFO] Apache PDFBox ...................................... SKIPPED
[INFO] Apache Preflight ................................... SKIPPED
[INFO] Apache Preflight application ....................... SKIPPED
[INFO] Apache PDFBox Debugger ............................. SKIPPED
[INFO] Apache PDFBox tools ................................ SKIPPED
[INFO] Apache PDFBox application .......................... SKIPPED
[INFO] Apache PDFBox Debugger application ................. SKIPPED
[INFO] Apache PDFBox examples ............................. SKIPPED
[INFO] PDFBox reactor ..................................... SKIPPED
[INFO]
------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO]
------------------------------------------------------------------------
[INFO] Total time:  5.190 s
[INFO] Finished at: 2020-06-01T14:21:11-04:00
[INFO]
------------------------------------------------------------------------
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile
(default-compile) on project fontbox: Compilation failure -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the
-e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions,
please read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the
command
[ERROR]   mvn <args> -rf :fontbox

On Mon, Jun 1, 2020 at 1:07 PM Tilman Hausherr <thaush...@t-online.de>
wrote:

Am 01.06.2020 um 18:51 schrieb Tim Allison:
I'm having problems building...likely user error.

On ubuntu with Java 8, maven 3.6.3, `mvn clean install` on the
commandline:
fontbox fails to build "maven-compiler-plugin" Compilation failure
with no
warnings or info on what failed even with -e -X.
Which java 8? I remember this came with early jdk8 versions, or when
java wasn't there.

Another possibility would be to update the maven-compiler-plugin to
3.8.0.



On a mac with Java 8, I'm getting test failures
testFlattenPDFBOX563() and
testFlattenPDFBOX2469Filled().  If I disable those tests, I am able to
build it.

I've disabled them now, likely small rendering differences.

Tilman

All is good for now, but weird...

On Sat, May 30, 2020 at 7:37 AM Andreas Lehmkuehler <andr...@lehmi.de

wrote:

@Tim
Cool, yes, please! I'm going to postpone the release for a couple of
days
depending on the results.

Thanks in advance!

Andreas

Am 30.05.20 um 12:59 schrieb Tim Allison:
I can run the tests on Monday w results by the end of the day EDT if
desired.

On Sat, May 30, 2020 at 5:53 AM Andreas Lehmkuehler <
andr...@lehmi.de>
wrote:

Hi,

I just realized that we didn't run Tims tests yet.  I've had a
look at
the
tickets and most of them are not related to text extraction. The
remaining
are
mostly dealing with corner cases so that we should be save.

WDYT, are we save enough or do we need to run the tests before
cutting
the
release?

Andreas

Am 26.05.20 um 08:02 schrieb Andreas Lehmkuehler:
I'm planning to cut the release on next Monday 1st of June.

Andreas

Am 20.05.20 um 08:15 schrieb Andreas Lehmkuehler:
Hi,

how about cutting a 2.0.20 release in 2 or 3 weeks from now?

Andreas


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