diff --git a/src/main/java/com/omertron/themoviedbapi/TheMovieDbApi.java b/src/main/java/com/omertron/themoviedbapi/TheMovieDbApi.java
index 78b73e8d0..1016cd4b6 100644
--- a/src/main/java/com/omertron/themoviedbapi/TheMovieDbApi.java
+++ b/src/main/java/com/omertron/themoviedbapi/TheMovieDbApi.java
@@ -227,7 +227,7 @@ public class TheMovieDbApi {
         try {
             return (new URL(sb.toString()));
         } catch (MalformedURLException ex) {
-            LOG.warn("Failed to create image URL: " + ex.getMessage());
+            LOG.warn("Failed to create image URL: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.INVALID_URL, sb.toString(), ex);
         }
     }
@@ -255,7 +255,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, TokenAuthorisation.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get Authorisation Token: " + ex.getMessage());
+            LOG.warn("Failed to get Authorisation Token: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.AUTHORISATION_FAILURE, webpage, ex);
         }
     }
@@ -283,7 +283,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, TokenSession.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get Session Token: " + ex.getMessage());
+            LOG.warn("Failed to get Session Token: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -311,7 +311,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, TokenSession.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get Session Token: " + ex.getMessage());
+            LOG.warn("Failed to get Session Token: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -345,7 +345,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, MovieDb.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie info: " + ex.getMessage());
+            LOG.warn("Failed to get movie info: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -373,7 +373,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, MovieDb.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie info: " + ex.getMessage());
+            LOG.warn("Failed to get movie info: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -399,7 +399,7 @@ public class TheMovieDbApi {
             WrapperAlternativeTitles wrapper = mapper.readValue(webpage, WrapperAlternativeTitles.class);
             return wrapper.getTitles();
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie alternative titles: " + ex.getMessage());
+            LOG.warn("Failed to get movie alternative titles: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -439,7 +439,7 @@ public class TheMovieDbApi {
 
             return people;
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie casts: " + ex.getMessage());
+            LOG.warn("Failed to get movie casts: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -479,7 +479,7 @@ public class TheMovieDbApi {
 
             return artwork;
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie images: " + ex.getMessage());
+            LOG.warn("Failed to get movie images: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -503,7 +503,7 @@ public class TheMovieDbApi {
             WrapperMovieKeywords wrapper = mapper.readValue(webpage, WrapperMovieKeywords.class);
             return wrapper.getKeywords();
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie keywords: " + ex.getMessage());
+            LOG.warn("Failed to get movie keywords: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -527,7 +527,7 @@ public class TheMovieDbApi {
             WrapperReleaseInfo wrapper = mapper.readValue(webpage, WrapperReleaseInfo.class);
             return wrapper.getCountries();
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie release information: " + ex.getMessage());
+            LOG.warn("Failed to get movie release information: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -569,7 +569,7 @@ public class TheMovieDbApi {
             }
             return trailers;
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie trailers: " + ex.getMessage());
+            LOG.warn("Failed to get movie trailers: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -591,7 +591,7 @@ public class TheMovieDbApi {
             WrapperTranslations wrapper = mapper.readValue(webpage, WrapperTranslations.class);
             return wrapper.getTranslations();
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie tranlations: " + ex.getMessage());
+            LOG.warn("Failed to get movie tranlations: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -627,7 +627,7 @@ public class TheMovieDbApi {
             WrapperMovie wrapper = mapper.readValue(webpage, WrapperMovie.class);
             return wrapper.getMovies();
         } catch (IOException ex) {
-            LOG.warn("Failed to get similar movies: " + ex.getMessage());
+            LOG.warn("Failed to get similar movies: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -659,7 +659,7 @@ public class TheMovieDbApi {
             WrapperMovieList wrapper = mapper.readValue(webpage, WrapperMovieList.class);
             return wrapper.getMovieList();
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie lists: " + ex.getMessage());
+            LOG.warn("Failed to get movie lists: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -702,7 +702,7 @@ public class TheMovieDbApi {
             WrapperChanges wrapper = mapper.readValue(webpage, WrapperChanges.class);
             return wrapper.getChanges();
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie changes: " + ex.getMessage());
+            LOG.warn("Failed to get movie changes: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
 
@@ -720,7 +720,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, MovieDb.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get latest movie: " + ex.getMessage());
+            LOG.warn("Failed to get latest movie: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -752,7 +752,7 @@ public class TheMovieDbApi {
             WrapperMovie wrapper = mapper.readValue(webpage, WrapperMovie.class);
             return wrapper.getMovies();
         } catch (IOException ex) {
-            LOG.warn("Failed to get upcoming movies: " + ex.getMessage());
+            LOG.warn("Failed to get upcoming movies: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
 
@@ -787,7 +787,7 @@ public class TheMovieDbApi {
             WrapperMovie wrapper = mapper.readValue(webpage, WrapperMovie.class);
             return wrapper.getMovies();
         } catch (IOException ex) {
-            LOG.warn("Failed to get now playing movies: " + ex.getMessage());
+            LOG.warn("Failed to get now playing movies: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -821,7 +821,7 @@ public class TheMovieDbApi {
             WrapperMovie wrapper = mapper.readValue(webpage, WrapperMovie.class);
             return wrapper.getMovies();
         } catch (IOException ex) {
-            LOG.warn("Failed to get popular movie list: " + ex.getMessage());
+            LOG.warn("Failed to get popular movie list: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -855,7 +855,7 @@ public class TheMovieDbApi {
             WrapperMovie wrapper = mapper.readValue(webpage, WrapperMovie.class);
             return wrapper.getMovies();
         } catch (IOException ex) {
-            LOG.warn("Failed to get top rated movies: " + ex.getMessage());
+            LOG.warn("Failed to get top rated movies: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -904,7 +904,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, CollectionInfo.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get collection information: " + ex.getMessage());
+            LOG.warn("Failed to get collection information: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -945,7 +945,7 @@ public class TheMovieDbApi {
 
             return artwork;
         } catch (IOException ex) {
-            LOG.warn("Failed to get collection images: " + ex.getMessage());
+            LOG.warn("Failed to get collection images: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
 
@@ -973,7 +973,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, Person.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get movie info: " + ex.getMessage());
+            LOG.warn("Failed to get movie info: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1011,7 +1011,7 @@ public class TheMovieDbApi {
             }
             return personCredits;
         } catch (IOException ex) {
-            LOG.warn("Failed to get person credits: " + ex.getMessage());
+            LOG.warn("Failed to get person credits: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1042,7 +1042,7 @@ public class TheMovieDbApi {
             }
             return personImages;
         } catch (IOException ex) {
-            LOG.warn("Failed to get person images: " + ex.getMessage());
+            LOG.warn("Failed to get person images: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1080,7 +1080,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, Person.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get latest person: " + ex.getMessage());
+            LOG.warn("Failed to get latest person: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1105,7 +1105,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, Company.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get company information: " + ex.getMessage());
+            LOG.warn("Failed to get company information: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1142,7 +1142,7 @@ public class TheMovieDbApi {
             WrapperCompanyMovies wrapper = mapper.readValue(webpage, WrapperCompanyMovies.class);
             return wrapper.getResults();
         } catch (IOException ex) {
-            LOG.warn("Failed to get company movies: " + ex.getMessage());
+            LOG.warn("Failed to get company movies: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1168,7 +1168,7 @@ public class TheMovieDbApi {
             WrapperGenres wrapper = mapper.readValue(webpage, WrapperGenres.class);
             return wrapper.getGenres();
         } catch (IOException ex) {
-            LOG.warn("Failed to get genre list: " + ex.getMessage());
+            LOG.warn("Failed to get genre list: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1203,7 +1203,7 @@ public class TheMovieDbApi {
             WrapperMovie wrapper = mapper.readValue(webpage, WrapperMovie.class);
             return wrapper.getMovies();
         } catch (IOException ex) {
-            LOG.warn("Failed to get genre movie list: " + ex.getMessage());
+            LOG.warn("Failed to get genre movie list: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1248,7 +1248,7 @@ public class TheMovieDbApi {
             WrapperMovie wrapper = mapper.readValue(webpage, WrapperMovie.class);
             return wrapper.getMovies();
         } catch (IOException ex) {
-            LOG.warn("Failed to find movie: " + ex.getMessage());
+            LOG.warn("Failed to find movie: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
 
@@ -1284,7 +1284,7 @@ public class TheMovieDbApi {
             WrapperCollection wrapper = mapper.readValue(webpage, WrapperCollection.class);
             return wrapper.getResults();
         } catch (IOException ex) {
-            LOG.warn("Failed to find collection: " + ex.getMessage());
+            LOG.warn("Failed to find collection: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1315,7 +1315,7 @@ public class TheMovieDbApi {
             WrapperPerson wrapper = mapper.readValue(webpage, WrapperPerson.class);
             return wrapper.getResults();
         } catch (IOException ex) {
-            LOG.warn("Failed to find person: " + ex.getMessage());
+            LOG.warn("Failed to find person: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1350,7 +1350,7 @@ public class TheMovieDbApi {
             WrapperMovieList wrapper = mapper.readValue(webpage, WrapperMovieList.class);
             return wrapper.getMovieList();
         } catch (IOException ex) {
-            LOG.warn("Failed to find list: " + ex.getMessage());
+            LOG.warn("Failed to find list: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1381,7 +1381,7 @@ public class TheMovieDbApi {
             WrapperCompany wrapper = mapper.readValue(webpage, WrapperCompany.class);
             return wrapper.getResults();
         } catch (IOException ex) {
-            LOG.warn("Failed to find company: " + ex.getMessage());
+            LOG.warn("Failed to find company: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1411,7 +1411,7 @@ public class TheMovieDbApi {
             WrapperKeywords wrapper = mapper.readValue(webpage, WrapperKeywords.class);
             return wrapper.getResults();
         } catch (IOException ex) {
-            LOG.warn("Failed to find keyword: " + ex.getMessage());
+            LOG.warn("Failed to find keyword: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1436,7 +1436,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, MovieDbList.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get list: " + ex.getMessage());
+            LOG.warn("Failed to get list: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
     }
@@ -1461,7 +1461,7 @@ public class TheMovieDbApi {
         try {
             return mapper.readValue(webpage, Keyword.class);
         } catch (IOException ex) {
-            LOG.warn("Failed to get keyword: " + ex.getMessage());
+            LOG.warn("Failed to get keyword: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }
 
@@ -1495,7 +1495,7 @@ public class TheMovieDbApi {
             WrapperKeywordMovies wrapper = mapper.readValue(webpage, WrapperKeywordMovies.class);
             return wrapper.getResults();
         } catch (IOException ex) {
-            LOG.warn("Failed to get top rated movies: " + ex.getMessage());
+            LOG.warn("Failed to get top rated movies: {}", ex.getMessage());
             throw new MovieDbException(MovieDbExceptionType.MAPPING_FAILED, webpage, ex);
         }