Merge branch 'jruby-9.1'

headius · headius · commit 5fb48a7cace9 · 2018-01-24T09:38:44.000-06:00
diff --git a/.travis.yml b/.travis.yml
@@ -119,8 +119,10 @@ notifications:
 
 services:
   - redis-server
+  - haveged
 
 addons:
   apt:
     packages:
       - oracle-java9-installer
+      - haveged
diff --git a/core/src/main/java/org/jruby/RubyIO.java b/core/src/main/java/org/jruby/RubyIO.java
@@ -4280,7 +4280,6 @@ public static IRubyObject copy_stream(ThreadContext context, IRubyObject recv, I
 
                     return context.runtime.newFixnum(size);
                 } catch (IOException ioe) {
-                    ioe.printStackTrace();
                     throw runtime.newIOErrorFromException(ioe);
                 } finally {
                     if (offset != null) {
