From looking at the code I would think that the root cause is that the ping on the first connection is not returning within the soTimeout, which should be 1 second. I can't really say why that would seemingly be slower on 1.8 for you.

Only JDK 1.7 can build Teiid code base success ---------------------------------------------- Key: TEIID-3664 URL: https://issues.jboss.org/browse/TEIID-3664 Project: Teiid Issue Type: Quality Risk Components: Build/Kits Affects Versions: 8.12 Reporter: Kylin Soong Assignee: Steven Hawkins Fix For: 8.12 The following depiction exist in README.md {code} install JDK 1.7 or higher {code} But the build commands {code} $ mvn clean install -P release -s settings.xml {code} will execute failed if use JDK 1.8