The docs retrieved by help:describe should be exactly what was published at the maven site.
However, for the source and target params my memory tells be that there was defaults of 1.3. Hmm... See this jira: http://jira.codehaus.org/browse/MCOMPILER-80 /Anders On Wed, Aug 4, 2010 at 17:26, Justin Edelson <[email protected]>wrote: > That just means that those parameters don't have a default value, at > least not one injected by the plugin system/Plexus. > > > > On Wed, Aug 4, 2010 at 3:33 AM, Flavio Pompermaier <[email protected]> > wrote: > > Maybe you miss a reply: > > I tried also with help:describe but, with this command, not all > > parameters have an associated description of default value (although > > it exists because I remember that the old site documentation says that > > the default value for source is 1.4, for version 2.0.2 of the compiler > > plugin). > > > > The command I wrote was: > > > > mvn help:describe -DgroupId=org.apache.maven.plugins > > -DartifactId=maven-compiler-plugin -Dversion=2.0.2 > > -Dcmd=compiler:compile -Ddetail > > > > did I miss something? > > > > 2010/8/3 Anders Hammar <[email protected]>: > >> As I describe in my blog post, the help mojo doesn't always exist. In > those > >> cases, help:describe would work. It's all in the post, with examples and > >> all. > >> > >> /Anders > >> > >> On Tue, Aug 3, 2010 at 17:36, Flavio Pompermaier <[email protected]> > wrote: > >> > >>> I tried the suggested command with the current version: > >>> mvn org.apache.maven.plugins:maven-compiler-plugin:2.3.1:help > >>> -Ddetail -Dgoal=compile > >>> and things are fine (as I was searching for). > >>> > >>> However for the old version I was searching for (2.0.2) it doesn't > >>> work..such auto-documentation was not implemented for that version..? > >>> mvn org.apache.maven.plugins:maven-compiler-plugin:2.0.2:help > >>> -Ddetail -Dgoal=compile > >>> > >>> 2010/8/3 Flavio Pompermaier <[email protected]>: > >>> > I think you intend > >>> > > >>> > mvn help:describe -DgroupId=org.apache.maven.plugins > >>> > -DartifactId=maven-compiler-plugin -Dversion=2.0.2 > >>> > -Dcmd=compiler:compile -Ddetail > >>> > > >>> > However such documentation doesn't show the default value of > >>> > parameters (not all at least)! > >>> > > >>> > 2010/8/3 Anders Hammar <[email protected]>: > >>> >> You can always get the docs from the plugin. Here's how: > >>> >> > >>> > http://www.sonatype.com/people/2010/06/diy-retrieving-a-maven-plugins-documentation/ > >>> >> > >>> >> /Anders > >>> >> > >>> >> On Tue, Aug 3, 2010 at 14:12, Flavio Pompermaier <[email protected] > > > >>> wrote: > >>> >> > >>> >>> Ok..so, if it is not defined how can I know the default value for > >>> >>> source parameter in the maven-compiler-plugin verion 2.0.2 if the > >>> >>> documentation is no more online? > >>> >>> It should be 1.4 but I want to know how verify it..and I want to > know > >>> >>> how to behave in similar situations.. > >>> >>> > >>> >>> 2010/8/3 Justin Edelson <[email protected]>: > >>> >>> > > >>> >>> > > >>> >>> > On Aug 3, 2010, at 4:57 AM, Flavio Pompermaier < > [email protected]> > >>> >>> wrote: > >>> >>> > > >>> >>> >> And the default value is..? I still haven't understand how to > >>> evaluate > >>> >>> >> the maven.compiler.xxx variables.. > >>> >>> >> For example, the documentation on the web site says that default > >>> value > >>> >>> >> of maven.compiler.source is 1.5, > >>> >>> > As previously discussed, the documentation says no such thing. > >>> >>> > > >>> >>> > maven.compiler.source is not defined by default. > >>> >>> > > >>> >>> > > >>> >>> >> but this holds for the current > >>> >>> >> version (2.3.1)... > >>> >>> >> What if I want to know the default value for the > >>> maven.compiler-plugin > >>> >>> >> version 2.0.2? > >>> >>> >> I cannot found any documentation about it..I cannot think that > >>> there's > >>> >>> >> no way to evaluate its value!! > >>> >>> >> > >>> >>> >> 2010/7/13 Stephen Connolly <[email protected]>: > >>> >>> >>> On 13 July 2010 07:40, Flavio Pompermaier <[email protected]> > >>> wrote: > >>> >>> >>> > >>> >>> >>>> This is the description on the source paramenter of the > compiler > >>> >>> >>>> plugin page (of the goal compile:compile): > >>> >>> >>>> > >>> >>> >>>> source: > >>> >>> >>>> The -source argument for the Java compiler. > >>> >>> >>>> > >>> >>> >>>> * Type: java.lang.String > >>> >>> >>>> * Since: 2.0 > >>> >>> >>>> * Required: No > >>> >>> >>>> * Expression: ${maven.compiler.source} > >>> >>> >>>> > >>> >>> >>> This means that if the property maven.compiler.source is > defined, > >>> use > >>> >>> that > >>> >>> >>> value, otherwise assume that the value is... > >>> >>> >>> > >>> >>> >>>> * Default: 1.5 > >>> >>> >>>> > >>> >>> >>>> How can I get that value? If it is not evaluable as an > expression, > >>> how > >>> >>> >>>> can I know how it will be evaluated by the plugin? > >>> >>> >>>> My JavaHome points to a Java 1.6 but as far as I know the > 2.0.2 > >>> >>> >>>> compiler use 1.4 compilation, isn't it? > >>> >>> >>>> > >>> >>> >>>> 2010/7/13 Anders Hammar <[email protected]>: > >>> >>> >>>>> No, you're not configuring the property that way. You're > >>> configuring > >>> >>> the > >>> >>> >>>>> plugin, but you're not setting the property. > >>> >>> >>>>> A property is set in hte properties section of the pom. > >>> >>> >>>>> > >>> >>> >>>>> /Anders > >>> >>> >>>>> > >>> >>> >>>>> On Tue, Jul 13, 2010 at 00:34, Flavio Pompermaier < > >>> [email protected] > >>> >>> > > >>> >>> >>>> wrote: > >>> >>> >>>>> > >>> >>> >>>>>> I set that variable via the configuration section of the > >>> compiler > >>> >>> >>>>>> plugin of my pom.xml but the result of help:evaluate of that > >>> >>> variable > >>> >>> >>>>>> returns null! My question is: how can I retrieve the default > >>> values > >>> >>> of > >>> >>> >>>>>> the parameters of a certain plugin version?if I look at the > >>> plugin > >>> >>> >>>>>> site I can see that its default value is 1.5. But this is > valid > >>> for > >>> >>> >>>>>> the current version..if I want to know its default value for > an > >>> >>> older > >>> >>> >>>>>> version what am I supposed to do?? > >>> >>> >>>>>> > >>> >>> >>>>>> 2010/7/12, Anders Hammar <[email protected]>: > >>> >>> >>>>>>> This does work for me: > >>> >>> >>>>>>> > >>> >>> >>>>>>> mvn help:evaluate -Dmaven.compiler.source=1.5 > >>> >>> >>>>>>> -Dexpression=maven.compiler.source > >>> >>> >>>>>>> > >>> >>> >>>>>>> I'm setting the maven.compiler.source property here on > command > >>> line > >>> >>> >>>>>> instead > >>> >>> >>>>>>> of specifying it in the project, which should work the > same. > >>> >>> >>>>>>> > >>> >>> >>>>>>> /Anders > >>> >>> >>>>>>> > >>> >>> >>>>>>> On Mon, Jul 12, 2010 at 23:27, Justin Edelson > >>> >>> >>>>>>> <[email protected]>wrote: > >>> >>> >>>>>>> > >>> >>> >>>>>>>> From a shell, help:evaluate should be the right thing to > do. > >>> >>> >>>>>>>> > >>> >>> >>>>>>>> Could it be that maven.compiler.source is, in fact, null? > >>> >>> >>>>>>>> > >>> >>> >>>>>>>> On 7/12/10 5:23 PM, Flavio Pompermaier wrote: > >>> >>> >>>>>>>>> I mean,how can I display their value? > >>> >>> >>>>>>>>> > >>> >>> >>>>>>>>> 2010/7/12, Justin Edelson <[email protected]>: > >>> >>> >>>>>>>>>> what do you mean by inspect? > >>> >>> >>>>>>>>>> > >>> >>> >>>>>>>>>> On 7/12/10 1:13 PM, Flavio Pompermaier wrote: > >>> >>> >>>>>>>>>>> Hi to all, > >>> >>> >>>>>>>>>>> is there a way to inspect maven.* variables (such as > >>> >>> >>>>>>>>>>> ${maven.compiler.source})? > >>> >>> >>>>>>>>>>> I tried to use the help:evaluate tool but it tells me > "null > >>> >>> >>>> object > >>> >>> >>>>>> or > >>> >>> >>>>>>>>>>> invalid expression". > >>> >>> >>>>>>>>>>> > >>> >>> >>>>>>>>>>> Any idea?? > >>> >>> >>>>>>>>>>> > >>> >>> >>>>>>>>>>> Best regards, > >>> >>> >>>>>>>>>>> Flavio > >>> >>> >>>>>>>>>>> > >>> >>> >>>>>>>>>>> > >>> >>> >>>>>> > >>> >>> > --------------------------------------------------------------------- > >>> >>> >>>>>>>>>>> To unsubscribe, e-mail: > [email protected] > >>> >>> >>>>>>>>>>> For additional commands, e-mail: > >>> [email protected] > >>> >>> >>>>>>>>>>> > >>> >>> >>>>>>>>>> > >>> >>> >>>>>>>>>> > >>> >>> >>>>>>>>>> > >>> >>> >>>> > >>> --------------------------------------------------------------------- > >>> >>> >>>>>>>>>> To unsubscribe, e-mail: > [email protected] > >>> >>> >>>>>>>>>> For additional commands, e-mail: > >>> [email protected] > >>> >>> >>>>>>>>>> > >>> >>> >>>>>>>>>> > >>> >>> >>>>>>>>> > >>> >>> >>>>>>>> > >>> >>> >>>>>>>> > >>> >>> >>>>>>>> > >>> >>> > --------------------------------------------------------------------- > >>> >>> >>>>>>>> To unsubscribe, e-mail: > [email protected] > >>> >>> >>>>>>>> For additional commands, e-mail: > [email protected] > >>> >>> >>>>>>>> > >>> >>> >>>>>>>> > >>> >>> >>>>>>> > >>> >>> >>>>>> > >>> >>> >>>>>> -- > >>> >>> >>>>>> Inviato dal mio dispositivo mobile > >>> >>> >>>>>> > >>> >>> >>>>>> > >>> >>> > --------------------------------------------------------------------- > >>> >>> >>>>>> To unsubscribe, e-mail: [email protected] > >>> >>> >>>>>> For additional commands, e-mail: > [email protected] > >>> >>> >>>>>> > >>> >>> >>>>>> > >>> >>> >>>>> > >>> >>> >>>> > >>> >>> >>>> > >>> --------------------------------------------------------------------- > >>> >>> >>>> To unsubscribe, e-mail: [email protected] > >>> >>> >>>> For additional commands, e-mail: [email protected] > >>> >>> >>>> > >>> >>> >>>> > >>> >>> >>> > >>> >>> >> > >>> >>> >> > >>> --------------------------------------------------------------------- > >>> >>> >> To unsubscribe, e-mail: [email protected] > >>> >>> >> For additional commands, e-mail: [email protected] > >>> >>> >> > >>> >>> > > >>> >>> > > --------------------------------------------------------------------- > >>> >>> > To unsubscribe, e-mail: [email protected] > >>> >>> > For additional commands, e-mail: [email protected] > >>> >>> > > >>> >>> > > >>> >>> > >>> >>> > --------------------------------------------------------------------- > >>> >>> To unsubscribe, e-mail: [email protected] > >>> >>> For additional commands, e-mail: [email protected] > >>> >>> > >>> >>> > >>> >> > >>> > > >>> > >>> --------------------------------------------------------------------- > >>> To unsubscribe, e-mail: [email protected] > >>> For additional commands, e-mail: [email protected] > >>> > >>> > >> > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
