diff --git a/json-path/src/main/java/com/jayway/jsonpath/IndefinitePathException.java b/json-path/src/main/java/com/jayway/jsonpath/IndefinitePathException.java
index a63220bd..8858f74b 100644
--- a/json-path/src/main/java/com/jayway/jsonpath/IndefinitePathException.java
+++ b/json-path/src/main/java/com/jayway/jsonpath/IndefinitePathException.java
@@ -6,6 +6,7 @@ package com.jayway.jsonpath;
  * Date: 3/4/12
  * Time: 7:15 PM
  */
+@SuppressWarnings("serial")
 public class IndefinitePathException extends RuntimeException {
 
 
diff --git a/json-path/src/main/java/com/jayway/jsonpath/InvalidJsonException.java b/json-path/src/main/java/com/jayway/jsonpath/InvalidJsonException.java
index a324c377..c70d6fe5 100644
--- a/json-path/src/main/java/com/jayway/jsonpath/InvalidJsonException.java
+++ b/json-path/src/main/java/com/jayway/jsonpath/InvalidJsonException.java
@@ -17,6 +17,7 @@ package com.jayway.jsonpath;
 /**
  * @author Kalle Stenflo
  */
+@SuppressWarnings("serial")
 public class InvalidJsonException extends RuntimeException {
 
     public InvalidJsonException() {
diff --git a/json-path/src/main/java/com/jayway/jsonpath/InvalidModelPathException.java b/json-path/src/main/java/com/jayway/jsonpath/InvalidModelPathException.java
index 5d0714b4..6c68ceb5 100644
--- a/json-path/src/main/java/com/jayway/jsonpath/InvalidModelPathException.java
+++ b/json-path/src/main/java/com/jayway/jsonpath/InvalidModelPathException.java
@@ -6,6 +6,7 @@ package com.jayway.jsonpath;
  * Date: 3/4/12
  * Time: 2:38 PM
  */
+@SuppressWarnings("serial")
 public class InvalidModelPathException extends RuntimeException {
 
     public InvalidModelPathException() {
diff --git a/json-path/src/main/java/com/jayway/jsonpath/InvalidPathException.java b/json-path/src/main/java/com/jayway/jsonpath/InvalidPathException.java
index c28cb8b5..22f87fc5 100644
--- a/json-path/src/main/java/com/jayway/jsonpath/InvalidPathException.java
+++ b/json-path/src/main/java/com/jayway/jsonpath/InvalidPathException.java
@@ -17,6 +17,7 @@ package com.jayway.jsonpath;
 /**
  * @author Kalle Stenflo
  */
+@SuppressWarnings("serial")
 public class InvalidPathException extends RuntimeException {
 
     public InvalidPathException() {
diff --git a/json-path/src/main/java/com/jayway/jsonpath/internal/filter/ArrayEvalFilter.java b/json-path/src/main/java/com/jayway/jsonpath/internal/filter/ArrayEvalFilter.java
index 58272224..ebc81155 100644
--- a/json-path/src/main/java/com/jayway/jsonpath/internal/filter/ArrayEvalFilter.java
+++ b/json-path/src/main/java/com/jayway/jsonpath/internal/filter/ArrayEvalFilter.java
@@ -73,7 +73,7 @@ public class ArrayEvalFilter extends PathTokenFilter {
         if (!jsonProvider.isMap(check)) {
             return false;
         }
-        Map obj = jsonProvider.toMap(check);
+        Map<String, Object> obj = jsonProvider.toMap(check);
 
         if (!obj.containsKey(conditionStatement.getField())) {
             return false;