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1

I'm trying to compile a project that has some tests written in groovy.
The project has --enable-preview for Java 12.

I'm using gmavenplus-plugin to do that:

 <plugin> 
 <groupId>org.codehaus.gmavenplus</groupId> 
 <artifactId>gmavenplus-plugin</artifactId> 
 <version>1.6.3</version> 
 <configuration> 
 <targetBytecode>$java.version</targetBytecode> 
 <testSources> 
 <testSource> 
 <directory>$testSourceDirectory</directory> 
 <includes> 
 <include>**/*.groovy</include> 
 </includes> 
 </testSource> 
 </testSources> 
 </configuration> 
 <executions> 
 <execution> 
 <goals> 
 <goal>compileTests</goal> 
 </goals> 
 </execution> 
 </executions> 
 </plugin> 

I have --enable-preview for maven compiler and surefire/failsafe (using argLine). Everything works if I disable the groovy plugin (and tests).

But when I enable it, it fails with:

Failed to execute goal org.codehaus.gmavenplus:gmavenplus-plugin:1.6.3:compileTests (default) on project apikey-manager-api: Error occurred while calling a method on a Groovy class from classpath.: InvocationTargetException: Preview features are not enabled for com/acme/config/EndToEndTest (class file version 56.65535). Try running with '--enable-preview' -> [Help 1]

I don't see any options that I could pass to this plugin to enable preview features. Does it use javac? Or should such option be in groovyc?

java groovy java-12 gmavenplus

share|improve this question

asked Mar 25 at 12:14

Krzysztof KrasońKrzysztof Krasoń

16.7k1010 gold badges6363 silver badges8787 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Looks like the compilation is working, but then running the test happens without --enable-preview set. In case you can check out the compiled .class files from the test with javap -v <class>, you can check that the minor class file version is non-zero, to verify that it was compiled with --enable-preview.
  
  – Jorn Vernee
  Mar 25 at 13:00
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @JornVernee Unfortunately groovy compilation is not working, it fails because it sees EndToEnd.class which is a java class compiled with --enable-preview as a result groovyc fails.
  
  – Krzysztof Krasoń
  Mar 25 at 14:25
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Oh I see, so groovyc is trying to load this class compiled with --enable-preview, and then it's failing because groovyc is not running in a JVM that has --enable-preview set. Maybe setting the JAVA_OPTS environment variable to "--enable-preview" will work? (this works isolation using the groovy command line)
  
  – Jorn Vernee
  Mar 25 at 14:58
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Reported a bug github.com/groovy/GMavenPlus/issues/125
  
  – Krzysztof Krasoń
  Mar 26 at 9:18
  

  
  
  
  

add a comment | 

1

I'm trying to compile a project that has some tests written in groovy.
The project has --enable-preview for Java 12.

I'm using gmavenplus-plugin to do that:

 <plugin> 
 <groupId>org.codehaus.gmavenplus</groupId> 
 <artifactId>gmavenplus-plugin</artifactId> 
 <version>1.6.3</version> 
 <configuration> 
 <targetBytecode>$java.version</targetBytecode> 
 <testSources> 
 <testSource> 
 <directory>$testSourceDirectory</directory> 
 <includes> 
 <include>**/*.groovy</include> 
 </includes> 
 </testSource> 
 </testSources> 
 </configuration> 
 <executions> 
 <execution> 
 <goals> 
 <goal>compileTests</goal> 
 </goals> 
 </execution> 
 </executions> 
 </plugin> 

I have --enable-preview for maven compiler and surefire/failsafe (using argLine). Everything works if I disable the groovy plugin (and tests).

But when I enable it, it fails with:

Failed to execute goal org.codehaus.gmavenplus:gmavenplus-plugin:1.6.3:compileTests (default) on project apikey-manager-api: Error occurred while calling a method on a Groovy class from classpath.: InvocationTargetException: Preview features are not enabled for com/acme/config/EndToEndTest (class file version 56.65535). Try running with '--enable-preview' -> [Help 1]

I don't see any options that I could pass to this plugin to enable preview features. Does it use javac? Or should such option be in groovyc?

java groovy java-12 gmavenplus

share|improve this question

asked Mar 25 at 12:14

Krzysztof KrasońKrzysztof Krasoń

16.7k1010 gold badges6363 silver badges8787 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Looks like the compilation is working, but then running the test happens without --enable-preview set. In case you can check out the compiled .class files from the test with javap -v <class>, you can check that the minor class file version is non-zero, to verify that it was compiled with --enable-preview.
  
  – Jorn Vernee
  Mar 25 at 13:00
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @JornVernee Unfortunately groovy compilation is not working, it fails because it sees EndToEnd.class which is a java class compiled with --enable-preview as a result groovyc fails.
  
  – Krzysztof Krasoń
  Mar 25 at 14:25
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Oh I see, so groovyc is trying to load this class compiled with --enable-preview, and then it's failing because groovyc is not running in a JVM that has --enable-preview set. Maybe setting the JAVA_OPTS environment variable to "--enable-preview" will work? (this works isolation using the groovy command line)
  
  – Jorn Vernee
  Mar 25 at 14:58
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Reported a bug github.com/groovy/GMavenPlus/issues/125
  
  – Krzysztof Krasoń
  Mar 26 at 9:18
  

  
  
  
  

add a comment | 

I'm trying to compile a project that has some tests written in groovy.
The project has --enable-preview for Java 12.

I'm using gmavenplus-plugin to do that:

 <plugin> 
 <groupId>org.codehaus.gmavenplus</groupId> 
 <artifactId>gmavenplus-plugin</artifactId> 
 <version>1.6.3</version> 
 <configuration> 
 <targetBytecode>$java.version</targetBytecode> 
 <testSources> 
 <testSource> 
 <directory>$testSourceDirectory</directory> 
 <includes> 
 <include>**/*.groovy</include> 
 </includes> 
 </testSource> 
 </testSources> 
 </configuration> 
 <executions> 
 <execution> 
 <goals> 
 <goal>compileTests</goal> 
 </goals> 
 </execution> 
 </executions> 
 </plugin> 

I have --enable-preview for maven compiler and surefire/failsafe (using argLine). Everything works if I disable the groovy plugin (and tests).

But when I enable it, it fails with:

Failed to execute goal org.codehaus.gmavenplus:gmavenplus-plugin:1.6.3:compileTests (default) on project apikey-manager-api: Error occurred while calling a method on a Groovy class from classpath.: InvocationTargetException: Preview features are not enabled for com/acme/config/EndToEndTest (class file version 56.65535). Try running with '--enable-preview' -> [Help 1]

I don't see any options that I could pass to this plugin to enable preview features. Does it use javac? Or should such option be in groovyc?

java groovy java-12 gmavenplus

share|improve this question

asked Mar 25 at 12:14

Krzysztof KrasońKrzysztof Krasoń

16.7k1010 gold badges6363 silver badges8787 bronze badges

 <plugin> 
 <groupId>org.codehaus.gmavenplus</groupId> 
 <artifactId>gmavenplus-plugin</artifactId> 
 <version>1.6.3</version> 
 <configuration> 
 <targetBytecode>$java.version</targetBytecode> 
 <testSources> 
 <testSource> 
 <directory>$testSourceDirectory</directory> 
 <includes> 
 <include>**/*.groovy</include> 
 </includes> 
 </testSource> 
 </testSources> 
 </configuration> 
 <executions> 
 <execution> 
 <goals> 
 <goal>compileTests</goal> 
 </goals> 
 </execution> 
 </executions> 
 </plugin> 

Failed to execute goal org.codehaus.gmavenplus:gmavenplus-plugin:1.6.3:compileTests (default) on project apikey-manager-api: Error occurred while calling a method on a Groovy class from classpath.: InvocationTargetException: Preview features are not enabled for com/acme/config/EndToEndTest (class file version 56.65535). Try running with '--enable-preview' -> [Help 1]

share|improve this question

asked Mar 25 at 12:14

Krzysztof KrasońKrzysztof Krasoń

16.7k1010 gold badges6363 silver badges8787 bronze badges

share|improve this question

asked Mar 25 at 12:14

Krzysztof KrasońKrzysztof Krasoń

16.7k1010 gold badges6363 silver badges8787 bronze badges

asked Mar 25 at 12:14

Krzysztof KrasońKrzysztof Krasoń

16.7k1010 gold badges6363 silver badges8787 bronze badges

asked Mar 25 at 12:14

Krzysztof KrasońKrzysztof Krasoń

16.7k1010 gold badges6363 silver badges8787 bronze badges

1 Answer
1

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1

With the changes in Groovy (GROOVY-9073) and GMavenPlus (#125), this is now available as of GMavenPlus 1.7.1 with Groovy 2.5.7+ / 3.0.0-beta-1+.

share|improve this answer

answered Jun 6 at 1:04

KeeganKeegan

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1

With the changes in Groovy (GROOVY-9073) and GMavenPlus (#125), this is now available as of GMavenPlus 1.7.1 with Groovy 2.5.7+ / 3.0.0-beta-1+.

share|improve this answer

answered Jun 6 at 1:04

KeeganKeegan

4,97311 gold badge1717 silver badges2727 bronze badges

add a comment | 

1

With the changes in Groovy (GROOVY-9073) and GMavenPlus (#125), this is now available as of GMavenPlus 1.7.1 with Groovy 2.5.7+ / 3.0.0-beta-1+.

share|improve this answer

answered Jun 6 at 1:04

KeeganKeegan

4,97311 gold badge1717 silver badges2727 bronze badges

add a comment | 

With the changes in Groovy (GROOVY-9073) and GMavenPlus (#125), this is now available as of GMavenPlus 1.7.1 with Groovy 2.5.7+ / 3.0.0-beta-1+.

share|improve this answer

answered Jun 6 at 1:04

KeeganKeegan

4,97311 gold badge1717 silver badges2727 bronze badges

share|improve this answer

answered Jun 6 at 1:04

KeeganKeegan

4,97311 gold badge1717 silver badges2727 bronze badges

answered Jun 6 at 1:04

KeeganKeegan

4,97311 gold badge1717 silver badges2727 bronze badges

answered Jun 6 at 1:04

KeeganKeegan

4,97311 gold badge1717 silver badges2727 bronze badges