Unable to run com.gradle.plugin-publish publishPlugins task

Bugs
1

When running the publishPlugins task, I’m encountering the following stacktrace
https://gist.github.com/kashike/047abbdea8b5794f5282

Gradle: 2.7 (c41505168da69fb0650f4e31c9e01b50ffc97893)
Plugin: id 'com.gradle.plugin-publish' version '0.9.1'

2

The root cause of this appears to be from the following exception:

Caused by: java.lang.NoSuchMethodError: com.google.common.collect.ImmutableList.of(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Lcom/google/common/collect/ImmutableList;
	at com.gradle.publish.PluginPublishValidator.<clinit>(PluginPublishValidator.java:19)
	at com.gradle.publish.PublishTask.publish(PublishTask.java:59)
	at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:75)
	at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.doExecute(AnnotationProcessingTaskFactory.java:226)
	at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:219)
	at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:208)
	at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:585)
	at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:568)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)

It appears that the plugin is using Google Guava. Is it possible your project has an older version Guava on the build classpath?

3

I’m not sure what Guava version the publish plugin uses, but I’m using 18.0, which has the method in question.
http://docs.guava-libraries.googlecode.com/git-history/v18.0/javadoc/com/google/common/collect/ImmutableList.html
The same issue occurs with the ImmutableList.of() usage in the same file.

4

This is a really weird problem. I looked at the guava release notes and the of method has been there since version 2. I also can’t find any source for the plugin, so I can’t see what is going on at that method.

The only thing I could think of is there might be something with the build.gradle file. Could you please post it?