add logs the detailed error message in php (#595)

* add logs the detailed error message in php

* add more details in every error callback (php)

* remove err details from err CB to logger, for avoid leaking private information

BlueMapCommon/webapp/public/sql.php

@@ -149,7 +149,10 @@ function send($data) {
     try {
         $sql = new PDO("$driver:host=$hostname;port=$port;dbname=$database", $username, $password);
         $sql->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
-    } catch (PDOException $e ) { error(500, "Failed to connect to database"); }
+    } catch (PDOException $e ) { 
+        error_log($e->getMessage(), 0); // Logs the detailed error message
+        error(500, "Failed to connect to database");
+    }
 
     // provide map-tiles
     if (startsWith($mapPath, "tiles/")) {
@@ -199,7 +202,10 @@ function send($data) {
                 exit;
             }
 
-        } catch (PDOException $e) { error(500, "Failed to fetch data");  }
+        } catch (PDOException $e) { 
+            error_log($e->getMessage(), 0);
+            error(500, "Failed to fetch data");
+        }
 
         // no content if nothing found
         http_response_code(204);
@@ -238,7 +244,10 @@ function send($data) {
                 send($line["data"]);
                 exit;
             }
-        } catch (PDOException $e) { error(500, "Failed to fetch data"); }
+        } catch (PDOException $e) { 
+            error_log($e->getMessage(), 0);
+            error(500, "Failed to fetch data");
+        }
     }
 
 }