Index: java/org/apache/catalina/core/StandardThreadExecutor.java
===================================================================
--- java/org/apache/catalina/core/StandardThreadExecutor.java   (revision 933886)
+++ java/org/apache/catalina/core/StandardThreadExecutor.java   (working copy)
@@ -74,6 +74,11 @@
     protected String name;

     /**
+     * prestart threads?
+     */
+    protected boolean prestartminSpareThreads = false;
+
+    /**
      * The maximum number of elements that can queue up before we reject them
      */
     protected int maxQueueSize = Integer.MAX_VALUE;
@@ -101,6 +106,9 @@
         taskqueue = new TaskQueue(maxQueueSize);
         TaskThreadFactory tf = new TaskThreadFactory(namePrefix,daemon,getThreadPriority());
         executor = new ThreadPoolExecutor(getMinSpareThreads(), getMaxThreads(), maxIdleTime, TimeUnit.MILLISECONDS,taskqueue, tf);
+        if (prestartminSpareThreads) {
+            executor.prestartAllCoreThreads();
+        }
         taskqueue.setParent(executor);

         setState(LifecycleState.STARTING);
@@ -172,6 +180,10 @@
         return name;
     }

+    public boolean isPrestartminSpareThreads() {
+
+        return prestartminSpareThreads;
+    }
     public void setThreadPriority(int threadPriority) {
         this.threadPriority = threadPriority;
     }
@@ -208,6 +220,10 @@
     public void setName(String name) {
         this.name = name;
     }
+
+    public void setPrestartminSpareThreads(boolean prestartminSpareThreads) {
+        this.prestartminSpareThreads = prestartminSpareThreads;
+    }

     public void setMaxQueueSize(int size) {
         this.maxQueueSize = size;