And it turns out you also need this patch for the example pom.xml. Sorry
for the multiple emails.
# This patch file was generated by NetBeans IDE
# It uses platform neutral UTF-8 encoding and \n newlines.
--- a/pom.xml
+++ b/pom.xml
@@ -144,6 +144,15 @@
<argLine>${addmod}</argLine>
</configuration>
</plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>2.3.2</version>
+ <configuration>
+ <source>1.8</source>
+ <target>1.8</target>
+ </configuration>
+ </plugin>
</plugins>
</build>
--
Randolph M. Fritz || +1 206 659-8617 || rmfri...@gmail.com
On Tue, Jul 7, 2020 at 1:02 PM Randolph M. Fritz <rmfri...@gmail.com> wrote:
> 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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>> For additional commands, e-mail: users-h...@pdfbox.apache.org
>>
>>
>>
