Changing the plugin version back to 2.7.0 gives this:

[ERROR] Failed to execute goal 
org.codehaus.mojo:gwt-maven-plugin:2.7.0:compile (default) on project app: 
Failed to resolve artifact: 1 problem was encountered while building the 
effective model for com.google.gwt:gwt-user:2.8.0-SNAPSHOT
[ERROR] [FATAL] Non-resolvable parent POM: Could not find artifact 
com.google.gwt:gwt:pom:2.8.0-SNAPSHOT @ line 6, column 13
[ERROR] for project com.google.gwt:gwt-user:2.8.0-SNAPSHOT for project 
com.google.gwt:gwt-user:2.8.0-SNAPSHOT


If you have a working project which is building OK with 2.8.0-SNAPSHOT, can 
I see its pom.xml please?

Thanks.

On Monday, July 27, 2015 at 8:25:42 PM UTC+5, Ali Akhtar wrote:
>
> Since a few days ago, my maven build with 2.8.0-SNAPSHOT dependency has 
> been failing, with the following error:
>
>  [ERROR] Errors in 
> 'jar:file:/home/ali/.m2/repository/com/google/gwt/gwt-user/2.7.0/gwt-user-2.7.0.jar!/com/google/gwt/emul/java/util/InternalJsHashCodeMap.java'
> [INFO]          [ERROR] Line 120: The method elementAdded() is undefined 
> for the type AbstractHashMap<K,V>
> [INFO]          [ERROR] Line 137: The method elementRemoved() is undefined 
> for the type AbstractHashMap<K,V>
>
> Assuming that the gwt-maven-plugin is pulling in 2.7.0, I added 
> gwt-user-2.8.0-SNAPSHOT and gwt-dev-2.8.0-SNAPSHOT as deps to the plugin:  
> https://gist.github.com/aliakhtar/1f1b51d04a3465d27bb4
>
> However, the build is still failing, this time with the following error:
>
> [ERROR] Failed to execute goal 
> org.codehaus.mojo:gwt-maven-plugin:2.7.0:compile (default) on project app: 
> Failed to resolve artifact: 1 problem was encountered while building the 
> effective model for com.google.gwt:gwt-user:2.8.0-SNAPSHOT
> [ERROR] [FATAL] Non-resolvable parent POM: Could not find artifact 
> com.google.gwt:gwt:pom:2.8.0-SNAPSHOT @ line 6, column 13
> [ERROR] for project com.google.gwt:gwt-user:2.8.0-SNAPSHOT for project 
> com.google.gwt:gwt-user:2.8.0-SNAPSHOT
>
> Has anything happened recently which may have caused it to break?
>
> This is my full pom: 
> https://gist.github.com/aliakhtar/d6f104f854c5e3764d72
>
> I'd appreciate any help getting this to build again, thanks.
>
>

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