try to fix md5.js test

2 files changed, 14 insertions, 4 deletions

diff --git a/db/dur_journalformat.h b/db/dur_journalformat.h
index 7256aae886d..2b6acc58de8 100644
--- a/db/dur_journalformat.h
+++ b/db/dur_journalformat.h
@@ -132,6 +132,7 @@ namespace mongo {
                 len                 -= sizeof(JSectHeader);
                 md5digest current;
                 md5(begin, len, current);
+                DEV log() << "checkHash len:" << len << " hash:" << toHex(hash, 16) << " current:" << toHex(current, 16) << endl;
                 return (memcmp(hash, current, sizeof(hash)) == 0);
             }
         };
diff --git a/jstests/dur/md5.js b/jstests/dur/md5.js
index f52ac79dfac..3fd678e133b 100644
--- a/jstests/dur/md5.js
+++ b/jstests/dur/md5.js
@@ -17,7 +17,7 @@ function log(str) {
         print(testname+" step " + step++);
 }
 
-/** Changes here may require updating the byte index of the md5 hash, see fuzzFile comments below. */
+/** Changes here may require updating the byte index of the md5 hash, see File comments below. */
 function work() {
     log("work");
     var d = conn.getDB("test");
@@ -65,9 +65,18 @@ stopMongod(30001, /*signal*/9);
 
 // journal file should be present, and non-empty as we killed hard
 
-// Bit flip the first byte of the md5sum contained within the opcode footer.
-// This ensures we get an md5 exception instead of some other type of exception.
-fuzzFile( path + "/journal/j._0", 39755 );
+// Bit flip the first byte of the md5sum contained within the opcode footer.

+// This ensures we get an md5 exception instead of some other type of exception.

+var file = path + "/journal/j._0";

+//run("cp", file, "/tmp/before");

+//fuzzFile(file, 39755);

+

+// journal header is 8192

+// jsectheader is 12

+// so a little beyond that

+fuzzFile(file, 8214);

+

+//run("cp", file, "/tmp/after");
 
 log("run mongod again recovery should fail");