Index: src/protocol/http/org/apache/jmeter/protocol/http/sampler/SoapSampler.java
===================================================================
--- src/protocol/http/org/apache/jmeter/protocol/http/sampler/SoapSampler.java	(revision 1498029)
+++ src/protocol/http/org/apache/jmeter/protocol/http/sampler/SoapSampler.java	(working copy)
@@ -137,10 +137,11 @@
             // to use it.
             HeaderManager mngr = getHeaderManager();
             int headerSize = mngr.size();
-            for (int idx = 0; idx < headerSize; idx++) {
+            for (int idx = headerSize - 1; idx >= 0; idx--) {
                 Header hd = mngr.getHeader(idx);
                 if (HTTPConstants.HEADER_CONTENT_LENGTH.equalsIgnoreCase(hd.getName())) {// Use this to override file length
                     length = Integer.parseInt(hd.getValue());
+                    break;
                 }
                 // All the other headers are set up by HTTPSampler2.setupConnection()
             }