Port fix bug 40771. Correct doRead method so Filters and Valves can read POST data...

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@465126 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/java/org/apache/coyote/http11/filters/SavedRequestInputFilter.java b/java/org/apache/coyote/http11/filters/SavedRequestInputFilter.java
index 2fd2f65..3b1517d 100644 (file)
--- a/java/org/apache/coyote/http11/filters/SavedRequestInputFilter.java
+++ b/java/org/apache/coyote/http11/filters/SavedRequestInputFilter.java
@@ -55,6 +55,9 @@ public class SavedRequestInputFilter implements InputFilter {
                writeLength = input.getLength();
         }
         
+        if(input.getOffset()>= input.getEnd())
+            return -1;
+        
         input.substract(chunk.getBuffer(), 0, writeLength);
         chunk.setOffset(0);
         chunk.setEnd(writeLength);