ArrayList.removeAll() has thrown a NullPointerException

We found this prefix in 3 webpages.
MapChildren (3)Typical messages (2)TraceDetailed Map
  1. java.lang.NullPointerException
    1.   at java.util.Objects.requireNonNull()
    2.   at java.util.ArrayList.removeAll()
  1. GitHub iconNPE in CompositeGrammer.getIndirectDelegates in Java 8

    First:4 years ago
    Last:2 years ago
    Author:druidsquirrel
  2. GitHub icon混淆时出现异常

    First:3 years ago
    Last:2 years ago
    Author:ztc1997
  3. GitHub iconGitHub comment 1833#272286038

    First:1 year ago
    Last:1 year ago
    Author:milendyankov
MessageNumber of crashes
<No message>2
Failed to execute goal biz.aQute.bnd:bnd-export-maven-plugin:3.4.0-SNAPSHOT:export (default) on project runtime: null1
  1. java.lang.NullPointerException
    1.   at java.util.Objects.requireNonNull()
    2.   at java.util.ArrayList.removeAll()