KNOX-2050 - Upgrade jackson to 2.10.0

Signed-off-by: Kevin Risden <krisden@apache.org>
diff --git a/gateway-util-common/src/main/java/org/apache/knox/gateway/util/JsonUtils.java b/gateway-util-common/src/main/java/org/apache/knox/gateway/util/JsonUtils.java
index 28feea2..af13728 100644
--- a/gateway-util-common/src/main/java/org/apache/knox/gateway/util/JsonUtils.java
+++ b/gateway-util-common/src/main/java/org/apache/knox/gateway/util/JsonUtils.java
@@ -62,8 +62,7 @@
     Map<String, String> obj = null;
     JsonFactory factory = new JsonFactory();
     ObjectMapper mapper = new ObjectMapper(factory);
-    TypeReference<Object> typeRef
-          = new TypeReference<Object>() {};
+    TypeReference<Map<String, String>> typeRef = new TypeReference<Map<String, String>>() {};
     try {
       obj = mapper.readValue(json, typeRef);
     } catch (IOException e) {
diff --git a/pom.xml b/pom.xml
index c04bf02..920d5b4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -185,7 +185,7 @@
         <httpclient.version>4.5.6</httpclient.version>
         <httpcore.version>4.4.11</httpcore.version>
         <j2e-pac4j.version>4.1.0</j2e-pac4j.version>
-        <jackson.version>2.9.10</jackson.version>
+        <jackson.version>2.10.0</jackson.version>
         <jacoco-maven-plugin.version>0.8.4</jacoco-maven-plugin.version>
         <jansi.version>1.18</jansi.version>
         <javax.activation.version>1.2.0</javax.activation.version>