Github user stain commented on the issue:
https://github.com/apache/incubator-commonsrdf/pull/22
Any idea why the [Travis check
fails](https://travis-ci.org/apache/incubator-commonsrdf/builds/163552539)..?
> [ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.5.1:compile (default-compile)
on project commons-rdf-jsonld-java: Compilation failure
> [ERROR]
/home/travis/build/apache/incubator-commonsrdf/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdGraphLike.java:[142,59]
incompatible types: java.util.function.Predicate<capture#1 of ? extends T>
cannot be converted to java.util.function.Predicate<? super capture#1 of ?
extends T>
It builds for me using
{code}
stain@biggiebuntu:~/src/incubator-commonsrdf$ mvn -v
Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5;
2015-11-10T16:41:47+00:00)
Maven home: /home/stain/software/maven
Java version: 1.8.0_91, vendor: Oracle Corporation
Java home: /usr/lib/jvm/java-8-openjdk-amd64/jre
Default locale: en_GB, platform encoding: UTF-8
OS name: "linux", version: "4.4.0-38-generic", arch: "amd64", family: "unix"
{code}
(Ubuntu 16.04)
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