A simpler version, for anyone who needs it, is just this:
# This patch file was generated by NetBeans IDE
# It uses platform neutral UTF-8 encoding and \n newlines.
--- a/pom.xml
+++ b/pom.xml
@@ -336,10 +336,8 @@
<version>3.1</version>
</requireMavenVersion>
<requireJavaVersion>
- <version>[1.7,12)</version>
- <message>Requires at least Java 7,
and
- Java versions higher than 11
cannot
- build Java 6 bytecode</message>
+ <version>[1.7,)</version>
+ <message>Requires at least Java
7.</message>
</requireJavaVersion>
</rules>
</configuration>
--
Randolph M. Fritz || +1 206 659-8617 || rmfri...@gmail.com
On Mon, Jul 6, 2020 at 9:38 PM Randolph Fritz <rmfri...@gmail.com> wrote:
> Thank you! That led me right to the problem. The Maven plugin
> configuration in the parent specifically forbids a Java version higher than
> 11. Since my target is JDK 9, I don’t care about JDK 6 bytecode anyway, so
> I relaxed that rule and it built fine.
>
> Diff:
>
> # This patch file was generated by NetBeans IDE
> # It uses platform neutral UTF-8 encoding and \n newlines.
> --- a/pom.xml
> +++ b/pom.xml
> @@ -229,8 +229,8 @@
> <!-- fails with maven 3.6.0 on jdk 6, works with 3.2.1,
> 3.5.0 and 3.5.2 -->
> <configuration>
> <showDeprecation>true</showDeprecation>
> - <target>1.6</target>
> - <source>1.6</source>
> + <target>9</target>
> + <source>9</source>
> <encoding>UTF-8</encoding>
> <!--
> https://maven.apache.org/plugins/maven-compiler-plugin/examples/compile-using-different-jdk.html
> -->
> <executable>${jdk.path}/bin/javac</executable>
> @@ -325,6 +325,7 @@
> <plugins>
> <plugin>
> <artifactId>maven-enforcer-plugin</artifactId>
> + <version>3.0.0-M3</version>
> <executions>
> <execution>
> <goals>
> @@ -336,10 +337,8 @@
> <version>3.1</version>
> </requireMavenVersion>
> <requireJavaVersion>
> - <version>[1.7,12)</version>
> - <message>Requires at least Java
> 7, and
> - Java versions higher than 11
> cannot
> - build Java 6
> bytecode</message>
> + <version>[1.7,)</version>
> + <message>Requires at least Java
> 7</message>
> </requireJavaVersion>
> </rules>
> </configuration>
>
>
>
> --
> Randolph
>
> On Jul 6, 2020, at 8:29 PM, Tilman Hausherr <thaush...@t-online.de> wrote:
>
> Could you try to set a newer version for
>
> maven-enforcer-plugin
>
>
> in the parent pom.xml? 3.0.0-M3 is the one we're using for the trunk.
> 1.4.1 is the previous one, really.
>
> Tilman
>
> Am 07.07.2020 um 01:15 schrieb Randolph M. Fritz:
>
> I'm using Netbeans 12.0 and OpenJDK 13. I have downloaded the pdfbox 2.20
> examples, but when I try to build them, I get a complaint:
>
> --- maven-enforcer-plugin:1.4.1:enforce (default) @ pdfbox-examples ---
> Rule 1: org.apache.maven.plugins.enforcer.RequireJavaVersion failed with
> message:
> Requires at least Java 7, and Java versions higher than 11 cannot build
> Java 6 bytecode
>
> Is there some option I can set (I have tried quite a few) that will make
> these build in my environment, or do I just have to use the trunk version
> of pdfbox?
>
>
>
>
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