[mojo-dev] [jira] (MGWT-186) Generic Interface is not generated correctly

Thu, 21 Jun 2012 16:43:25 -0700

Will Jordan commented on Bug MGWT-186

I'm still seeing this bug, and have consistently reproduced the issue within the integration test mentioned. This should be enough to go by to identify and fix the problem.

Steps below (commands for a *nix system listed):

1. Checkout integration test (and replace placeholders in pom.xml):

  1. svn checkout http://svn.codehaus.org/mojo/trunk/mojo/gwt-maven-plugin/src/it/mgwt-186
  2. cd mgwt-186
  3. sed -i -e 's/@pom.version@/2.4.0/' -e 's/@gwt.version@/2.4.0/' pom.xml

2. Run generateAsync and check generated interface

  1. mvn gwt:generateAsync -q && grep -i getEnabledSubjects target/generated-sources/gwt/org/codehaus/mojo/gwt/test/client/SubjectServiceAsync.java

[output]
> void getEnabledSubjects( AsyncCallback<java.util.List<org.codehaus.mojo.gwt.test.client.Subject>> callback );

3. Edit the DAO to return List<String> instead of List<Subject>:

  1. sed -i 's/List<Subject>/List<String>/' src/main/java/org/codehaus/mojo/gwt/test/client/SubjectDao.java

4. Run generateAsync and check generated interface (note the signature hasn't changed, when it should have)

  1. mvn gwt:generateAsync -q && grep getEnabledSubjects target/generated-sources/gwt/org/codehaus/mojo/gwt/test/client/SubjectServiceAsync.java

> void getEnabledSubjects( AsyncCallback<java.util.List<org.codehaus.mojo.gwt.test.client.Subject>> callback );

5. Clean Maven build

  1. mvn clean -q

6. Run generateAsync and check generated interface (note it finally changes)

  1. mvn gwt:generateAsync -q && grep -i getEnabledSubjects target/generated-sources/gwt/org/codehaus/mojo/gwt/test/client/SubjectServiceAsync.java

> void getEnabledSubjects( AsyncCallback<java.util.List<java.lang.String>> callback );

The workaround is to clean the build's generated sources when seeing this error.
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