Index: subversion/libsvn_ra_serf/replay.c
===================================================================
--- subversion/libsvn_ra_serf/replay.c	(revision 1423268)
+++ subversion/libsvn_ra_serf/replay.c	(working copy)
@@ -740,6 +740,8 @@
       svn_ra_serf__list_t *done_list;
       svn_ra_serf__list_t *done_reports = NULL;
       replay_context_t *replay_ctx;
+      svn_ra_serf__handler_t *handler;
+      svn_error_t *err;
 
       if (session->cancel_func)
         SVN_ERR(session->cancel_func(session->cancel_baton));
@@ -748,7 +750,6 @@
          requests to MAX_OUTSTANDING_REQUESTS. */
       if (rev <= end_revision  && active_reports < MAX_OUTSTANDING_REQUESTS)
         {
-          svn_ra_serf__handler_t *handler;
           svn_ra_serf__xml_parser_t *parser_ctx;
           apr_pool_t *ctx_pool = svn_pool_create(pool);
 
@@ -832,8 +833,16 @@
         }
 
       /* Run the serf loop. */
-      SVN_ERR(svn_ra_serf__context_run_wait(&replay_ctx->done, session, pool));
+      err = svn_ra_serf__context_run_wait(&replay_ctx->done, session, pool);
 
+      /* Handle the errors from server's response as well as any errors
+         found while running the serf loop. */
+      SVN_ERR(svn_error_compose_create(
+                        svn_ra_serf__error_on_status(handler->sline.code,
+                                                     handler->path,
+                                                     handler->location),
+                        err));
+
       /* Substract the number of completely handled responses from our
          total nr. of open requests', so we'll know when to stop this loop.
          Since the message is completely handled, we can destroy its pool. */
Index: subversion/tests/cmdline/svnrdump_tests.py
===================================================================
--- subversion/tests/cmdline/svnrdump_tests.py	(revision 1423268)
+++ subversion/tests/cmdline/svnrdump_tests.py	(working copy)
@@ -765,8 +765,28 @@
 
 
 #----------------------------------------------------------------------
+@SkipUnless(svntest.main.is_ra_type_dav)  
+def dump_url_not_in_head(sbox)  :
+  "dump: URL deleted in HEAD should return error"
+  sbox.build(create_wc = False) 
+  
+  E_url = sbox.repo_url + '/A/B/E'
 
+  # Delete directory 'E'from repository.
+  svntest.actions.run_and_verify_svn(None, None, [], "rm", E_url, "-m",
+                                     "delete 'E'")
 
+  expected_dump_fail_err_re = "svnrdump: E160013: '.*' path not found"
+ 
+  # Returns error as in issue #4100.
+  svntest.actions.run_and_verify_svnrdump(None, svntest.verify.AnyOutput,
+                                          expected_dump_fail_err_re, 1, '-q', 
+                                          'dump', E_url)
+
+  
+#----------------------------------------------------------------------
+
+
 ########################################################################
 # Run the tests