diff --git a/api/src/test/java/edu/cornell/mannlib/vitro/webapp/controller/api/sparqlquery/SparqlQueryApiExecutorTest.java b/api/src/test/java/edu/cornell/mannlib/vitro/webapp/controller/api/sparqlquery/SparqlQueryApiExecutorTest.java
index cae072d8f..93e23447f 100644
--- a/api/src/test/java/edu/cornell/mannlib/vitro/webapp/controller/api/sparqlquery/SparqlQueryApiExecutorTest.java
+++ b/api/src/test/java/edu/cornell/mannlib/vitro/webapp/controller/api/sparqlquery/SparqlQueryApiExecutorTest.java
@@ -6,14 +6,19 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 
 import java.io.ByteArrayOutputStream;
+import java.io.IOException;
 import java.io.StringReader;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import org.apache.commons.lang3.StringUtils;
 import org.junit.Before;
 import org.junit.Test;
@@ -470,6 +475,8 @@ public class SparqlQueryApiExecutorTest extends AbstractTestClass {
 			assertEquivalentTurtle(message, expected, out.toString());
 		} else if (ACCEPT_N3.equals(acceptHeader)) {
 			assertEquivalentN3(message, expected, out.toString());
+		} else if (ACCEPT_JSON.equals(acceptHeader)) {
+			assertEquivalentJSON(message, expected, out.toString());
 		} else {
 			assertEqualsIgnoreWhiteSpace(message, expected, out.toString());
 		}
@@ -541,6 +548,18 @@ public class SparqlQueryApiExecutorTest extends AbstractTestClass {
 		return StringUtils.join(remainder, "\n");
 	}
 
+	private void assertEquivalentJSON(String message, String expected,
+									  String actual) {
+		ObjectMapper om = new ObjectMapper();
+		try {
+			Map<String, Object> expMap = (Map<String, Object>)(om.readValue(expected, Map.class));
+			Map<String, Object> actMap = (Map<String, Object>)(om.readValue(actual, Map.class));
+			assertEquals(message, expMap, actMap);
+		} catch (IOException e) {
+			assertEquals(message, expected.replaceAll("\\s+", " "),
+					actual.replaceAll("\\s+", " "));
+		}
+	}
 	private void assertEqualsIgnoreWhiteSpace(String message, String expected,
 			String actual) {
 		assertEquals(message, expected.replaceAll("\\s+", " "),
diff --git a/api/src/test/java/edu/cornell/mannlib/vitro/webapp/web/templatemodels/individual/ObjectPropertyTemplateModel_PropertyListConfigTest.java b/api/src/test/java/edu/cornell/mannlib/vitro/webapp/web/templatemodels/individual/ObjectPropertyTemplateModel_PropertyListConfigTest.java
index 7b49dbebc..08d5c0e79 100644
--- a/api/src/test/java/edu/cornell/mannlib/vitro/webapp/web/templatemodels/individual/ObjectPropertyTemplateModel_PropertyListConfigTest.java
+++ b/api/src/test/java/edu/cornell/mannlib/vitro/webapp/web/templatemodels/individual/ObjectPropertyTemplateModel_PropertyListConfigTest.java
@@ -219,7 +219,7 @@ public class ObjectPropertyTemplateModel_PropertyListConfigTest extends
 
 		// Throws an exception because we don't test for a null path from the
 		// ServletContext.
-		assertLogMessagesContains("no real path", "at java.io.File.<init>");
+		assertLogMessagesContains("no real path", "java.io.File.<init>");
 	}
 
 	@Test
diff --git a/installer/pom.xml b/installer/pom.xml
index 5ff59fc97..bfba62782 100644
--- a/installer/pom.xml
+++ b/installer/pom.xml
@@ -96,7 +96,7 @@
                 </plugin>
                 <plugin>
                     <artifactId>maven-war-plugin</artifactId>
-                    <version>2.6</version>
+                    <version>3.2.0</version>
                 </plugin>
             </plugins>
         </pluginManagement>
diff --git a/pom.xml b/pom.xml
index deec70f08..cbca0c95e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -271,7 +271,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-jar-plugin</artifactId>
-                    <version>2.6</version>
+                    <version>3.0.2</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
@@ -290,7 +290,7 @@
                 </plugin>
                 <plugin>
                     <artifactId>maven-war-plugin</artifactId>
-                    <version>2.6</version>
+                    <version>3.2.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.codehaus.mojo</groupId>