[GRADLE-2981] NullPointerException when accessing property of Extensions super class Created: 30/Dec/13  Updated: 10/Feb/17  Resolved: 10/Feb/17

Status: Resolved
Project: Gradle
Affects Version/s: None
Fix Version/s: None

Type: Bug
Reporter: Gradle Forums Assignee: Unassigned
Resolution: Won't Fix Votes: 0


 Description   

the following worked until 1.7 and does not in 1.8, 1.9 and 1.10

class CommonData {
String content = 'value'
}

class SpecificData extends CommonData {
public SpecificData() {
setContent('specificValue') // works fine in all versions
content = 'specificValue' // throws NullPointerException since 1.8
}
}

class MyPlugin implements Plugin {
void apply(Project project) {
project.extensions.create('data', SpecificData)
}
}

apply(plugin: MyPlugin)
println data.content

and the resulting stacktrace contains the following

Caused by: java.lang.NullPointerException
at SpecificData_Decorated.setProperty(Unknown Source)
at SpecificData.(build.gradle:7)
at SpecificData_Decorated.(Unknown Source)
at org.gradle.internal.reflect.DirectInstantiator.newInstance(DirectInstantiator.java:39)
... 70 more

 Comments   
Comment by Benjamin Muschko [ 15/Nov/16 ]

As announced on the Gradle blog we are planning to completely migrate issues from JIRA to GitHub.

We intend to prioritize issues that are actionable and impactful while working more closely with the community. Many of our JIRA issues are inactionable or irrelevant. We would like to request your help to ensure we can appropriately prioritize JIRA issues you’ve contributed to.

Please confirm that you still advocate for your JIRA issue before December 10th, 2016 by:

  • Checking that your issues contain requisite context, impact, behaviors, and examples as described in our published guidelines.
  • Leave a comment on the JIRA issue or open a new GitHub issue confirming that the above is complete.

We look forward to collaborating with you more closely on GitHub. Thank you for your contribution to Gradle!

Comment by Benjamin Muschko [ 10/Feb/17 ]

Thanks again for reporting this issue. We haven't heard back from you after our inquiry from November 15th. We are closing this issue now. Please create an issue on GitHub if you still feel passionate about getting it resolved.

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