diff --git pom.xml pom.xml
index 51084ba..e57ebf5 100644
--- pom.xml
+++ pom.xml
@@ -1443,7 +1443,7 @@
org.apache.maven.plugins
maven-surefire-plugin
- -enableassertions -Xmx1900m -Djava.security.egd=file:/dev/./urandom -Djava.net.preferIPv4Stack=true "-Djava.library.path=${hadoop.library.path};${java.library.path}"
+ -enableassertions -Xmx1900m -XX:MaxPermSize=100m -Djava.security.egd=file:/dev/./urandom -Djava.net.preferIPv4Stack=true "-Djava.library.path=${hadoop.library.path};${java.library.path}"
java.net.preferIPv4Stack