Bump max stack (-Xss) to 2048k, since Bundler eats it up.

Author: headius

argparser.cpp

@@ -419,8 +419,8 @@ void ArgParser::prepareOptions() {
 }
 
 void ArgParser::setupMaxHeapAndStack() {
-    // Hard-coded 500m, 1024k is for consistency with jruby shell script.
-    string heapSize("500m"), stackSize("1024k");
+    // Hard-coded 500m, 2048k is for consistency with jruby shell script.
+    string heapSize("500m"), stackSize("2048k");
     bool maxHeap = false, maxStack = false;
     for (list<string>::iterator it = javaOptions.begin(); it != javaOptions.end(); it++) {
         if (!maxHeap && strncmp("-Xmx", it->c_str(), 4) == 0) {

spec/launcher_spec.rb

@@ -86,8 +86,8 @@
     jruby_launcher_args("-J-Xmx256m").should include("-Xmx256m", "-Djruby.memory.max=256m")
   end
 
-  it "should default to 1024k max stack" do
-    jruby_launcher_args("").should include("-Xss1024k", "-Djruby.stack.max=1024k")
+  it "should default to 2048k max stack" do
+    jruby_launcher_args("").should include("-Xss2048k", "-Djruby.stack.max=2048k")
   end
 
   it "should allow max stack to be overridden" do