update jackson to 2.6.1

indexing-service/src/test/java/io/druid/indexing/common/task/HadoopConverterTaskSerDeTest.java

@@ -30,7 +30,6 @@ import io.druid.timeline.partition.NoneShardSpec;
 import io.druid.timeline.partition.ShardSpec;
 import org.joda.time.Interval;
 import org.junit.Assert;
-import org.junit.BeforeClass;
 import org.junit.Test;
 
 import java.io.IOException;
@@ -40,7 +39,7 @@ import java.util.Map;
 
 public class HadoopConverterTaskSerDeTest
 {
-  private static ObjectMapper objectMapper;
+  private static ObjectMapper objectMapper = new DefaultObjectMapper();
   private static final String TASK_ID = "task id";
   private static final String DATA_SOURCE = "datasource";
   private static final Interval INTERVAL = Interval.parse("2010/2011");
@@ -69,17 +68,6 @@ public class HadoopConverterTaskSerDeTest
   private static final String OUTPUT_PATH = "/dev/null";
   private static final String CLASSPATH_PREFIX = "something:where:I:need:stuff";
 
-  @BeforeClass
-  public static void setUpStatic()
-  {
-    objectMapper = new DefaultObjectMapper();
-    objectMapper.registerSubtypes(
-        HadoopConverterTask.class,
-        HadoopConverterTask.ConverterSubTask.class,
-        ShardSpec.class
-    );
-  }
-
   @Test
   public void testSimpleConverterTaskSerDe() throws IOException
   {

pom.xml

@@ -70,7 +70,7 @@
         <jetty.version>9.2.13.v20150730</jetty.version>
         <jersey.version>1.19</jersey.version>
         <druid.api.version>0.3.11</druid.api.version>
-        <jackson.version>2.4.4</jackson.version>
+        <jackson.version>2.6.1</jackson.version>
         <log4j.version>2.2</log4j.version>
         <slf4j.version>1.7.10</slf4j.version>
         <hadoop.compile.version>2.3.0</hadoop.compile.version>

processing/src/main/java/io/druid/jackson/JodaStuff.java

@@ -21,6 +21,7 @@ import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.JsonToken;
 import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
 import com.fasterxml.jackson.databind.KeyDeserializer;
 import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
 import com.fasterxml.jackson.databind.module.SimpleModule;
@@ -39,6 +40,7 @@ import java.io.IOException;
  */
 class JodaStuff
 {
+  @SuppressWarnings("unchecked")
   static SimpleModule register(SimpleModule module)
   {
     module.addKeyDeserializer(DateTime.class, new DateTimeKeyDeserializer());
@@ -46,7 +48,8 @@ class JodaStuff
     module.addSerializer(DateTime.class, ToStringSerializer.instance);
     module.addDeserializer(Interval.class, new JodaStuff.IntervalDeserializer());
     module.addSerializer(Interval.class, ToStringSerializer.instance);
-    module.addDeserializer(Period.class, new PeriodDeserializer());
+    JsonDeserializer<?> periodDeserializer = new PeriodDeserializer(true);
+    module.addDeserializer(Period.class, (JsonDeserializer<Period>) periodDeserializer);
     module.addSerializer(Period.class, ToStringSerializer.instance);
     module.addDeserializer(Duration.class, new DurationDeserializer());
     module.addSerializer(Duration.class, ToStringSerializer.instance);

processing/src/test/java/io/druid/query/extraction/extraction/LookupExtractionFnTest.java

@@ -33,7 +33,6 @@ import io.druid.jackson.DefaultObjectMapper;
 import io.druid.query.extraction.LookupExtractionFn;
 import io.druid.query.extraction.MapLookupExtractor;
 import org.junit.Assert;
-import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
@@ -81,12 +80,6 @@ public class LookupExtractionFnTest
     this.injective = injective;
   }
 
-  @BeforeClass
-  public static void setUpStatic()
-  {
-    OBJECT_MAPPER.registerSubtypes(LookupExtractionFn.class);
-  }
-
   @Test
   public void testSimpleSerDe() throws IOException
   {