diff --git a/src/main/java/com/inteligr8/maven/aps/modeling/goal/PublishAppGoal.java b/src/main/java/com/inteligr8/maven/aps/modeling/goal/PublishAppGoal.java
index d16729a..0e929b6 100644
--- a/src/main/java/com/inteligr8/maven/aps/modeling/goal/PublishAppGoal.java
+++ b/src/main/java/com/inteligr8/maven/aps/modeling/goal/PublishAppGoal.java
@@ -16,6 +16,9 @@ package com.inteligr8.maven.aps.modeling.goal;
 
 import java.io.IOException;
 
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Response;
+
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
 import org.apache.maven.plugins.annotations.Mojo;
@@ -24,6 +27,7 @@ import org.codehaus.plexus.component.annotations.Component;
 
 import com.inteligr8.alfresco.activiti.ApsPublicRestApiJerseyImpl;
 import com.inteligr8.alfresco.activiti.model.AppDefinitionPublishRepresentation;
+import com.inteligr8.alfresco.activiti.model.AppDefinitionUpdateResultRepresentation;
 
 /**
  * A class that implements an APS Service publish goal.
@@ -63,7 +67,9 @@ public class PublishAppGoal extends ApsAppAddressibleGoal {
 			this.getLog().info("[DRYRUN]: Publishing app: " + appId);
 		} else {
 			this.getLog().info("Publishing app: " + appId);
-			api.getAppDefinitionsApi().publish(appId, appDefPublish);
+			AppDefinitionUpdateResultRepresentation response = api.getAppDefinitionsApi().publish(appId, appDefPublish);
+			if (Boolean.TRUE.equals(response.getError()))
+			    throw new WebApplicationException(response.getErrorDescription(), Response.Status.PRECONDITION_FAILED);
 		}
 	}
 
diff --git a/src/main/java/com/inteligr8/maven/aps/modeling/goal/UploadAppGoal.java b/src/main/java/com/inteligr8/maven/aps/modeling/goal/UploadAppGoal.java
index c43cce5..8847b80 100644
--- a/src/main/java/com/inteligr8/maven/aps/modeling/goal/UploadAppGoal.java
+++ b/src/main/java/com/inteligr8/maven/aps/modeling/goal/UploadAppGoal.java
@@ -20,6 +20,9 @@ import java.io.FileInputStream;
 import java.io.IOException;
 import java.text.ParseException;
 
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Response;
+
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
 import org.apache.maven.plugins.annotations.Mojo;
@@ -103,7 +106,7 @@ public class UploadAppGoal extends ApsAppAddressibleGoal {
 						this.getLog().info("Uploading & publishing new APS App: " + this.apsAppName);
 						AppDefinitionUpdateResultRepresentation appDefUpdate = api.getAppDefinitionsJerseyApi().publishApp(multipart);
 						if (Boolean.TRUE.equals(appDefUpdate.getError()))
-							throw new MojoFailureException(appDefUpdate.getErrorDescription());
+							throw new WebApplicationException(appDefUpdate.getErrorDescription(), Response.Status.PRECONDITION_FAILED);
 					}
 				} else {
 					if (this.dryRun) {
@@ -121,7 +124,7 @@ public class UploadAppGoal extends ApsAppAddressibleGoal {
 						this.getLog().info("Uploading, versioning, & publishing APS App: " + this.apsAppName + " (" + appModel.getId() + ")");
 						AppDefinitionUpdateResultRepresentation appDefUpdate = api.getAppDefinitionsJerseyApi().publishApp(appModel.getId(), multipart);
 						if (Boolean.TRUE.equals(appDefUpdate.getError()))
-							throw new MojoFailureException(appDefUpdate.getErrorDescription());
+                            throw new WebApplicationException(appDefUpdate.getErrorDescription(), Response.Status.PRECONDITION_FAILED);
 					}
 				} else {
 					if (this.dryRun) {