Re: Problem with exec-maven-plugin
Hi Alex, maybe you could paste here the output logs of the failing execution. I'd like them to be sure I understand the problem. Cheers Francois -- Sent from: http://maven.40175.n5.nabble.com/Maven-Users-f40176.html - To unsubscribe, e-mail: users-unsubscr...@maven.apache.org For additional commands, e-mail: users-h...@maven.apache.org
Re: Problem with exec-maven-plugin
Hi Francois, Someone on SO has explained that this is related to bug https://issues.apache.org/jira/browse/MNG-3283 The maven-exec-plugin has "requiresDependencyResolution = ResolutionScope.TEST" You can see that annotation here: https://github.com/mojohaus/exec-maven-plugin/blob/master/src/main/java/org/codehaus/mojo/exec/ExecJavaMojo.java So basically, even though it runs early in the lifecycle phase, it dies because it expects output to be ready for all dependencies. The "includeProjectDependencies" setting (which I assumed would change this behaviour) thus becomes irrelevant: it simply means that the resolved dependencies will not be in the execution classpath, but Maven still expects them to be available. The output is simple: "mvn compile" output: [INFO] Scanning for projects... [INFO] [INFO] Reactor Build Order: [INFO] [INFO] parent-prj [pom] [INFO] sub-prj [jar] [INFO] gen-src-prj [jar] [INFO] [INFO] --< mygrp:parent-prj >-- [INFO] Building parent-prj 1.0.0-SNAPSHOT [1/3] [INFO] [ pom ]- [INFO] [INFO] ---< mygrp:sub-prj > [INFO] Building sub-prj 1.0.0-SNAPSHOT [2/3] [INFO] [ jar ]- [INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ sub-prj --- [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] skip non existing resourceDirectory /Users/karypid/d/wc/parent-prj/sub-prj/src/main/resources [INFO] [INFO] --- maven-compiler-plugin:3.3:compile (default-compile) @ sub-prj --- [INFO] No sources to compile [INFO] [INFO] -< mygrp:gen-src-prj >-- [INFO] Building gen-src-prj 1.0.0-SNAPSHOT [3/3] [INFO] [ jar ]- [INFO] [INFO] --- exec-maven-plugin:1.6.0:java (default) @ gen-src-prj --- [Fatal Error] :1:1: Premature end of file. [WARNING] org.xml.sax.SAXParseException: Premature end of file. at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse (DOMParser.java:257) at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse (DocumentBuilderImpl.java:339) at javax.xml.parsers.DocumentBuilder.parse (DocumentBuilder.java:121) ABOVE IS CORRECT BEHAVIOUR: the plugin is executed but fails because it is missing the "Examples.xml" file which I do not have in this example. Now contrast this to the output below which exhibits the incorrect/unexpected behaviour: "mvn generate-sources" output: [INFO] Scanning for projects... [INFO] [INFO] Reactor Build Order: [INFO] [INFO] parent-prj [pom] [INFO] sub-prj [jar] [INFO] gen-src-prj [jar] [INFO] [INFO] --< mygrp:parent-prj >-- [INFO] Building parent-prj 1.0.0-SNAPSHOT [1/3] [INFO] [ pom ]- [INFO] [INFO] ---< mygrp:sub-prj > [INFO] Building sub-prj 1.0.0-SNAPSHOT [2/3] [INFO] [ jar ]- [INFO] [INFO] -< mygrp:gen-src-prj >-- [INFO] Building gen-src-prj 1.0.0-SNAPSHOT [3/3] [INFO] [ jar ]- [INFO] [INFO] Reactor Summary: [INFO] [INFO] parent-prj 1.0.0-SNAPSHOT .. SUCCESS [ 0.004 s] [INFO] sub-prj SUCCESS [ 0.002 s] [INFO] gen-src-prj 1.0.0-SNAPSHOT . FAILURE [ 0.090 s] [INFO] [INFO] BUILD FAILURE [INFO] [INFO] Total time: 0.203 s [INFO] Finished at: 2018-05-20T09:02:29+01:00 [INFO] [ERROR] Failed to execute goal on project gen-src-prj: Could not resolve dependencies
Re: Problem with exec-maven-plugin
In the interest of providing full reference in the list, I have come up with
a workaround to achieve what I want: I list the dependencies in a profile
that is active by default, then use another profile to run generate-sources
with no dependencies active, like follows:
Added in parent-prj/gen-src-prj/pom.xml (and obviously remove existing
dependencies section)
default
true
mygrp
sub-prj
${project.version}
excludeDependency
To generate sources with above, use: mvn -PexcludeDependency
generate-sources
Also filed a bug against the plugin at:
https://github.com/mojohaus/exec-maven-plugin/issues/106
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