Use obscured urandom path to avoid JDK trickery.

headius · headius · commit 65a004f4e5e7 · 2017-11-10T21:47:48.000-06:00
See https://bugs.openjdk.java.net/browse/JDK-6202721
diff --git a/bin/jruby.bash b/bin/jruby.bash
@@ -181,7 +181,9 @@ fi
 JAVA_ENCODING=""
 
 if [ -e "/dev/urandom" ]; then
-  JAVA_SECURITY_EGD="/dev/urandom"
+  # OpenJDK tries really hard to prevent you from using urandom.
+  # See https://bugs.openjdk.java.net/browse/JDK-6202721
+  JAVA_SECURITY_EGD="/dev/./urandom"
 fi
 
 declare -a java_args
