[CALCITE-4815] Avatica's Travis fails with 'LICENSE-like files are missing' error

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: avatica-1.19.0
• Component/s: avatica
• Assignee: Vladimir Sitnikov
• Reporter: Julian Hyde
• Created: 30/Sep/21 21:53
• Updated: 09/Oct/21 04:59
• Resolved: 04/Oct/21 18:23

Description

Some configurations of Avatica's Travis CI job fail with the following error. 

> Task :standalone-server:classes
> Task :standalone-server:getLicenses FAILED
> Task :server:checkstyleTest

Build calcite-avatica FAILURE reason:                                
    Execution failed for task ':standalone-server:getLicenses':
        LICENSE-like files are missing
        ==============================
        
        MIT
        * org.checkerframework:checker-qual:2.11.1
        
            at com.github.vlsi.gradle.license.GatherLicenseTask.run(GatherLicenseTask.kt:417)
 at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:104)
at org.gradle.api.internal.project.taskfactory.StandardTaskAction.doExecute(StandardTaskAction.java:58)

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':standalone-server:getLicenses'.
> LICENSE-like files are missing
  ==============================
  
  MIT
  * org.checkerframework:checker-qual:2.11.1
 

 
vlsi, Do you have any idea what's going on? Avatica doesn't even use checkerframework. You can see the build output (for a few days) at https://app.travis-ci.com/github/julianhyde/calcite-avatica/builds/238877621.