Caused by: java.io.IOException: Unable to lock usage tracking spool file

Question

Having problems while building an android application with gradle, here is the error i get when building it;

Caused by: java.io.IOException: Unable to lock usage tracking spool file
            at com.android.tools.analytics.JournalingUsageTracker.newTrackFile(JournalingUsageTracker.java:98)
            at com.android.tools.analytics.JournalingUsageTracker.<init>(JournalingUsageTracker.java:78)
            ... 121 more
    Caused by: java.nio.channels.OverlappingFileLockException
            at com.android.tools.analytics.JournalingUsageTracker.newTrackFile(JournalingUsageTracker.java:95)
            ... 122 more

Here is my gradle details: https://pastebin.com/6v0dk5in

 ./gradlew --version

------------------------------------------------------------
Gradle 4.3.1
------------------------------------------------------------

Build time:   2017-11-08 08:59:45 UTC
Revision:     e4f4804807ef7c2829da51877861ff06e07e006d

Groovy:       2.4.12
Ant:          Apache Ant(TM) version 1.9.6 compiled on June 29 2015
JVM:          1.8.0_66 (Oracle Corporation 25.66-b17)
OS:           Mac OS X 10.11 x86_64

Answer 1

Killing the java process and re-building fixes it but you have to do this on every build.

os x el capitan 10.11 (15A284)

https://github.com/gradle/gradle/issues/937

https://docs.gradle.org/current/userguide/gradle_daemon.html