several minor notice fixes, a=chris

diff --git a/bin/fetcher.php b/bin/fetcher.php
index a33e327f4..6f982e805 100755
--- a/bin/fetcher.php
+++ b/bin/fetcher.php
@@ -2294,7 +2294,7 @@ class Fetcher implements CrawlConstants
                     crawlLog($queue_server);
                     crawlLog("Response was:");
                     crawlLog("$info_string");
-                    $info = unserialize($info_string);
+                    $info = @unserialize($info_string);
                     $time = time();
                     $session = md5($time . AUTH_KEY);
                     $post_data['time'] = $time;
diff --git a/controllers/admin_controller.php b/controllers/admin_controller.php
index 70da29e3a..b9c878574 100755
--- a/controllers/admin_controller.php
+++ b/controllers/admin_controller.php
@@ -244,6 +244,9 @@ class AdminController extends Controller implements CrawlConstants
         //for now we allow anyone to get crawlStatus
         if($allowed) {
             $data = $this->$activity();
+            if(!is_array($data)) {
+                $data = array();
+            }
             $data['ACTIVITIES'] = $allowed_activities;
         }
         if(!in_array($activity, $this->status_activities)) {
@@ -1680,10 +1683,10 @@ class AdminController extends Controller implements CrawlConstants
                 if (isset($_REQUEST['ranker'][$label])) {
                     $ison = true;
                 }
-            } else if ($loaded || !isset($_REQUEST['posted']) &&
+            } else if ($loaded || !isset($_REQUEST['posted']) &&
                 isset($seed_info['active_rankers']['label'])) {
-                if (in_array($label,
-                    $seed_info['active_rankers']['label'])) {
+                if (isset($seed_info['active_rankers']['label']) &&
+                    in_array($label, $seed_info['active_rankers']['label'])) {
                     $ison = true;
                 }
             }
@@ -2197,6 +2200,7 @@ class AdminController extends Controller implements CrawlConstants
      */
     function manageMachines()
     {
+        $data = array();
         $data["ELEMENT"] = "managemachinesElement";
         $possible_arguments = array("addmachine", "deletemachine",
             "newsmode", "log", "update");
diff --git a/controllers/fetch_controller.php b/controllers/fetch_controller.php
index 3285b8ce6..cbfaccb37 100755
--- a/controllers/fetch_controller.php
+++ b/controllers/fetch_controller.php
@@ -33,6 +33,9 @@

 if(!defined('BASE_DIR')) {echo "BAD REQUEST"; exit();}

+// to allow the calulation of longer archive schedules
+ini_set('max_execution_time', 60);
+
 /** Load base controller class if needed */
 require_once BASE_DIR."/controllers/controller.php";
 /** Loads common constants for web crawling*/
diff --git a/lib/archive_bundle_iterators/text_archive_bundle_iterator.php b/lib/archive_bundle_iterators/text_archive_bundle_iterator.php
index fb99867f2..2841fa403 100644
--- a/lib/archive_bundle_iterators/text_archive_bundle_iterator.php
+++ b/lib/archive_bundle_iterators/text_archive_bundle_iterator.php
@@ -559,10 +559,13 @@ class TextArchiveBundleIterator extends ArchiveBundleIterator
                         while(!is_string($block =
                             $this->bz2_iterator->nextBlock())) {
                             if($this->bz2_iterator->eof()) {
-                                break 2;
+                                break;
                             }
                         }
                         $buffer .= $block;
+                        if($this->bz2_iterator->eof()) {
+                            break;
+                        }
                     }
                     if($buffer == "") {
                         return false;
diff --git a/models/model.php b/models/model.php
index ab54825b4..719f960ea 100755
--- a/models/model.php
+++ b/models/model.php
@@ -290,7 +290,7 @@ class Model implements CrawlConstants
                 $pre_high = ($pos + SNIPPET_LENGTH_RIGHT <= $len ) ?
                     $pos + SNIPPET_LENGTH_RIGHT: $len;
                 $high = mb_stripos($text_source, " ",
-                    max($pre_high - 10, $pos));
+                    max(min($pre_high - 10, 0), min($pos, $len)));
                 if($high > $pre_high + 10){
                     $high = $pre_high;
                 }