diff --git a/SeedDMS_Lucene/Lucene/IndexedDocument.php b/SeedDMS_Lucene/Lucene/IndexedDocument.php
index 32720007a..6e890cbed 100644
--- a/SeedDMS_Lucene/Lucene/IndexedDocument.php
+++ b/SeedDMS_Lucene/Lucene/IndexedDocument.php
@@ -24,6 +24,8 @@
  */
 class SeedDMS_Lucene_IndexedDocument extends Zend_Search_Lucene_Document {
 
+	protected $errormsg;
+
 	static function execWithTimeout($cmd, $timeout=2) { /* {{{ */
 		$descriptorspec = array(
 			0 => array("pipe", "r"),
@@ -37,17 +39,23 @@ class SeedDMS_Lucene_IndexedDocument extends Zend_Search_Lucene_Document {
 		if (!is_resource($process)) {
 			throw new Exception("proc_open failed on: " . $cmd);
 		}
+		stream_set_blocking($pipes[1], 0);
+		stream_set_blocking($pipes[2], 0);
 			 
-		$output = '';
+		$output = $error = '';
 		$timeleft = $timeout - time();
-		$read = array($pipes[1]);
+		$read = array($pipes[1], $pipes[2]);
 		$write = NULL;
 		$exeptions = NULL;
 		do {
-			stream_select($read, $write, $exeptions, $timeleft, 200000);
-					 
-			if (!empty($read)) {
+			$num_changed_streams = stream_select($read, $write, $exeptions, $timeleft, 200000);
+
+			if ($num_changed_streams === false) {
+				proc_terminate($process);
+				throw new Exception("stream select failed on: " . $cmd);
+			} elseif ($num_changed_streams > 0) {
 				$output .= fread($pipes[1], 8192);
+				$error .= fread($pipes[2], 8192);
 			}
 			$timeleft = $timeout - time();
 		} while (!feof($pipes[1]) && $timeleft > 0);
@@ -56,7 +64,7 @@ class SeedDMS_Lucene_IndexedDocument extends Zend_Search_Lucene_Document {
 			proc_terminate($process);
 			throw new Exception("command timeout on: " . $cmd);
 		} else {
-			return $output;
+			return array('stdout'=>$output, 'stderr'=>$error);
 		}
 	} /* }}} */
 
@@ -64,7 +72,8 @@ class SeedDMS_Lucene_IndexedDocument extends Zend_Search_Lucene_Document {
 	 * Constructor. Creates our indexable document and adds all
 	 * necessary fields to it using the passed in document
 	 */
-	public function __construct($dms, $document, $convcmd=null, $nocontent=false, $timeout=5) {
+	public function __construct($dms, $document, $convcmd=null, $nocontent=false, $timeout=5) { /* {{{ */
+		$this->errormsg = '';
 		$_convcmd = array(
 			'application/pdf' => 'pdftotext -enc UTF-8 -nopgbrk %s - |sed -e \'s/ [a-zA-Z0-9.]\{1\} / /g\' -e \'s/[0-9.]//g\'',
 			'application/postscript' => 'ps2pdf14 %s - | pdftotext -enc UTF-8 -nopgbrk - - | sed -e \'s/ [a-zA-Z0-9.]\{1\} / /g\' -e \'s/[0-9.]//g\'',
@@ -137,13 +146,20 @@ class SeedDMS_Lucene_IndexedDocument extends Zend_Search_Lucene_Document {
 			if($cmd) {
 				try {
 					$content = self::execWithTimeout($cmd, $timeout);
-					if($content) {
-						$this->addField(Zend_Search_Lucene_Field::UnStored('content', $content, 'utf-8'));
+					if($content['stdout']) {
+						$this->addField(Zend_Search_Lucene_Field::UnStored('content', $content['stdout'], 'utf-8'));
+					}
+					if($content['stderr']) {
+						$this->errormsg = $content['stderr'];
 					}
 				} catch (Exception $e) {
 				}
 			}
-		}
-	}
+		} 
+	} /* }}} */
+
+	public function getErrorMsg() { /* {{{ */
+		return $this->errormsg;
+	} /* }}} */
 }
 ?>
diff --git a/SeedDMS_SQLiteFTS/SQLiteFTS/IndexedDocument.php b/SeedDMS_SQLiteFTS/SQLiteFTS/IndexedDocument.php
index 5a8e1cbfc..cf40b4a95 100644
--- a/SeedDMS_SQLiteFTS/SQLiteFTS/IndexedDocument.php
+++ b/SeedDMS_SQLiteFTS/SQLiteFTS/IndexedDocument.php
@@ -29,6 +29,8 @@ require_once('Document.php');
  */
 class SeedDMS_SQLiteFTS_IndexedDocument extends SeedDMS_SQLiteFTS_Document {
 
+	protected $errormsg;
+
 	static function execWithTimeout($cmd, $timeout=2) { /* {{{ */
 		$descriptorspec = array(
 			0 => array("pipe", "r"),
@@ -36,23 +38,29 @@ class SeedDMS_SQLiteFTS_IndexedDocument extends SeedDMS_SQLiteFTS_Document {
 			2 => array("pipe", "w")
 		);
 		$pipes = array();
-	 
+
 		$timeout += time();
 		$process = proc_open($cmd, $descriptorspec, $pipes);
 		if (!is_resource($process)) {
 			throw new Exception("proc_open failed on: " . $cmd);
 		}
+		stream_set_blocking($pipes[1], 0);
+		stream_set_blocking($pipes[2], 0);
 			 
-		$output = '';
+		$output = $error = '';
 		$timeleft = $timeout - time();
-		$read = array($pipes[1]);
+		$read = array($pipes[1], $pipes[2]);
 		$write = NULL;
 		$exeptions = NULL;
 		do {
-			stream_select($read, $write, $exeptions, $timeleft, 200000);
-					 
-			if (!empty($read)) {
+			$num_changed_streams = stream_select($read, $write, $exeptions, $timeleft, 200000);
+
+			if ($num_changed_streams === false) {
+				proc_terminate($process);
+				throw new Exception("stream select failed on: " . $cmd);
+			} elseif ($num_changed_streams > 0) {
 				$output .= fread($pipes[1], 8192);
+				$error .= fread($pipes[2], 8192);
 			}
 			$timeleft = $timeout - time();
 		} while (!feof($pipes[1]) && $timeleft > 0);
@@ -61,7 +69,7 @@ class SeedDMS_SQLiteFTS_IndexedDocument extends SeedDMS_SQLiteFTS_Document {
 			proc_terminate($process);
 			throw new Exception("command timeout on: " . $cmd);
 		} else {
-			return $output;
+			return array('stdout'=>$output, 'stderr'=>$error);
 		}
 	} /* }}} */
 
@@ -69,7 +77,8 @@ class SeedDMS_SQLiteFTS_IndexedDocument extends SeedDMS_SQLiteFTS_Document {
 	 * Constructor. Creates our indexable document and adds all
 	 * necessary fields to it using the passed in document
 	 */
-	public function __construct($dms, $document, $convcmd=null, $nocontent=false, $timeout=5) {
+	public function __construct($dms, $document, $convcmd=null, $nocontent=false, $timeout=5) { /* {{{ */
+		$this->errormsg = '';
 		$_convcmd = array(
 			'application/pdf' => 'pdftotext -enc UTF-8 -nopgbrk %s - |sed -e \'s/ [a-zA-Z0-9.]\{1\} / /g\' -e \'s/[0-9.]//g\'',
 			'application/postscript' => 'ps2pdf14 %s - | pdftotext -enc UTF-8 -nopgbrk - - | sed -e \'s/ [a-zA-Z0-9.]\{1\} / /g\' -e \'s/[0-9.]//g\'',
@@ -142,13 +151,20 @@ class SeedDMS_SQLiteFTS_IndexedDocument extends SeedDMS_SQLiteFTS_Document {
 			if($cmd) {
 				try {
 					$content = self::execWithTimeout($cmd, $timeout);
-					if($content) {
-						$this->addField('content', $content, 'unstored');
+					if($content['stdout']) {
+						$this->addField('content', $content['stdout'], 'unstored');
+					}
+					if($content['stderr']) {
+						$this->errormsg = $content['stderr'];
 					}
 				} catch (Exception $e) {
 				}
 			}
 		}
-	}
+	} /* }}} */
+
+	public function getErrorMsg() { /* {{{ */
+		return $this->errormsg;
+	} /* }}} */
 }
 ?>