[ 
https://issues.apache.org/jira/browse/MJAVADOC-489?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Philippe Marschall updated MJAVADOC-489:
----------------------------------------
    Description: 
Javadoc generation fails for Jigsaw modules that depends on other Jigsaw 
modules:
{code}
module c {
  requires a;
  requires b;
}
{code}
while javadoc generation succeeds for modules a and b which have no module 
dependencies javadoc generation fails for module c which has module dependencies
{code}
MavenReportException: Error while generating Javadoc: 
[ERROR] Exit code: 1 - /Users/user/git/jigsaw/src/main/java/module-info.java:3: 
error: module not found: a
[ERROR]   requires a;
[ERROR]                                ^
[ERROR] /Users/user/git/jigsaw/src/main/java/module-info.java:4: error: module 
not found: b
[ERROR]   requires b;
[ERROR]                                ^
[ERROR] 
[ERROR] Command line was: 
/Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/bin/javadoc @options 
@packages @argfile
[ERROR] 
[ERROR] Refer to the generated Javadoc files in 
'/Users/user/git/jigsaw/target/apidocs' dir.
{code}

The issue seems to be that the javadoc plugin only ever sets {{-classpath}}. 
The javadoc plugin would have to set {{--module-path}} like the compiler plugin 
does.

  was:
Javadoc generation fails for Jigsaw modules that depends on other Jigsaw 
modules:
{code}
module c {
  requires a;
  requires b;
}
{code}
while javadoc generation success for modules a and b which have no module 
dependencies javadoc generation fails for module c which has module dependencies
{code}
MavenReportException: Error while generating Javadoc: 
[ERROR] Exit code: 1 - /Users/user/git/jigsaw/src/main/java/module-info.java:3: 
error: module not found: a
[ERROR]   requires a;
[ERROR]                                ^
[ERROR] /Users/user/git/jigsaw/src/main/java/module-info.java:4: error: module 
not found: b
[ERROR]   requires b;
[ERROR]                                ^
[ERROR] 
[ERROR] Command line was: 
/Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/bin/javadoc @options 
@packages @argfile
[ERROR] 
[ERROR] Refer to the generated Javadoc files in 
'/Users/user/git/jigsaw/target/apidocs' dir.
{code}

The issue seems to be that the javadoc plugin only ever sets {{-classpath}}. 
The javadoc plugin would have to set {{--module-path}} like the compiler plugin 
does.


> Javadoc plugin needs to set module path
> ---------------------------------------
>
>                 Key: MJAVADOC-489
>                 URL: https://issues.apache.org/jira/browse/MJAVADOC-489
>             Project: Maven Javadoc Plugin
>          Issue Type: Bug
>          Components: javadoc
>    Affects Versions: 2.10.4
>         Environment: macOS 10.12.5 build 175
> $java -version
> java version "9"
> Java(TM) SE Runtime Environment (build 9+175)
> Java HotSpot(TM) 64-Bit Server VM (build 9+175, mixed mode)
>            Reporter: Philippe Marschall
>
> Javadoc generation fails for Jigsaw modules that depends on other Jigsaw 
> modules:
> {code}
> module c {
>   requires a;
>   requires b;
> }
> {code}
> while javadoc generation succeeds for modules a and b which have no module 
> dependencies javadoc generation fails for module c which has module 
> dependencies
> {code}
> MavenReportException: Error while generating Javadoc: 
> [ERROR] Exit code: 1 - 
> /Users/user/git/jigsaw/src/main/java/module-info.java:3: error: module not 
> found: a
> [ERROR]   requires a;
> [ERROR]                                ^
> [ERROR] /Users/user/git/jigsaw/src/main/java/module-info.java:4: error: 
> module not found: b
> [ERROR]   requires b;
> [ERROR]                                ^
> [ERROR] 
> [ERROR] Command line was: 
> /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/bin/javadoc 
> @options @packages @argfile
> [ERROR] 
> [ERROR] Refer to the generated Javadoc files in 
> '/Users/user/git/jigsaw/target/apidocs' dir.
> {code}
> The issue seems to be that the javadoc plugin only ever sets {{-classpath}}. 
> The javadoc plugin would have to set {{--module-path}} like the compiler 
> plugin does.



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