diff --git a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/BuildComparisonManager.java b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/BuildComparisonManager.java
index 933f642bc..2b954d10b 100644
--- a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/BuildComparisonManager.java
+++ b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/BuildComparisonManager.java
@@ -1,9 +1,12 @@
 package org.ihtsdo.buildcloud.core.service.build.compare;
 
+import org.ihtsdo.buildcloud.core.dao.BuildDAO;
 import org.ihtsdo.buildcloud.core.entity.Build;
+import org.ihtsdo.buildcloud.core.service.PublishService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
 import java.io.IOException;
@@ -51,12 +54,22 @@ public enum ComparisonState {
     @Autowired
     private List<ComponentComparison> componentComparisonChecks;
 
+    @Autowired
+    private BuildDAO buildDAO;
+
+    @Autowired
+    private PublishService publishService;
+
+    @Value("${rvf.url}")
+    private String releaseValidationFrameworkUrl;
+
     public List<HighLevelComparisonReport> runBuildComparisons(final Build leftBuild, final Build rightBuild) throws IOException {
         List<HighLevelComparisonReport> reports = new ArrayList<>();
         componentComparisonChecks.sort(orderTestComparator);
         for (ComponentComparison thisCheck : componentComparisonChecks) {
-            thisCheck.findDiff(leftBuild, rightBuild);
-            reports.add(thisCheck.getReport());
+            ComponentComparison instance = thisCheck.newInstance(buildDAO, publishService, releaseValidationFrameworkUrl);
+            instance.findDiff(leftBuild, rightBuild);
+            reports.add(instance.getReport());
         }
 
         return reports;
diff --git a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/ComponentComparison.java b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/ComponentComparison.java
index a4a5429d3..add1f5011 100644
--- a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/ComponentComparison.java
+++ b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/ComponentComparison.java
@@ -1,6 +1,8 @@
 package org.ihtsdo.buildcloud.core.service.build.compare;
 
+import org.ihtsdo.buildcloud.core.dao.BuildDAO;
 import org.ihtsdo.buildcloud.core.entity.Build;
+import org.ihtsdo.buildcloud.core.service.PublishService;
 
 import java.io.IOException;
 
@@ -12,6 +14,8 @@ public abstract class ComponentComparison {
 
 	public abstract void findDiff(Build leftBuild, Build rightBuild) throws IOException;
 
+	public abstract ComponentComparison newInstance(BuildDAO buildDAO, PublishService publishService, String releaseValidationFrameworkUrl);
+
 	protected void pass() {
 		this.state = HighLevelComparisonReport.State.PASS;
 	}
@@ -30,7 +34,7 @@ public HighLevelComparisonReport getReport() {
 		HighLevelComparisonReport report = new HighLevelComparisonReport();
 		report.setTestName(getTestName());
 		report.setTestShortName(getTestNameShortname());
-		report.setResult(state);
+		report.setResult(this.state);
 		report.setDetails(this.details);
 		return report;
 	}
diff --git a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/BuildStatusComparison.java b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/BuildStatusComparison.java
index 991c5e84f..e853b808a 100644
--- a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/BuildStatusComparison.java
+++ b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/BuildStatusComparison.java
@@ -1,6 +1,8 @@
 package org.ihtsdo.buildcloud.core.service.build.compare.type;
 
+import org.ihtsdo.buildcloud.core.dao.BuildDAO;
 import org.ihtsdo.buildcloud.core.entity.Build;
+import org.ihtsdo.buildcloud.core.service.PublishService;
 import org.ihtsdo.buildcloud.core.service.build.compare.BuildComparisonManager;
 import org.ihtsdo.buildcloud.core.service.build.compare.ComponentComparison;
 import org.ihtsdo.buildcloud.core.service.build.compare.DefaultComponentComparisonReport;
@@ -38,4 +40,9 @@ public void findDiff(Build leftBuild, Build rightBuild) throws IOException {
             fail(dto);
         }
     }
+
+    @Override
+    public ComponentComparison newInstance(BuildDAO buildDAO, PublishService publishService, String releaseValidationFrameworkUrl) {
+        return new BuildStatusComparison();
+    }
 }
diff --git a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/PostConditionCheckComparison.java b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/PostConditionCheckComparison.java
index a2bbf13c3..acf26caed 100644
--- a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/PostConditionCheckComparison.java
+++ b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/PostConditionCheckComparison.java
@@ -24,11 +24,9 @@ public class PostConditionCheckComparison extends ComponentComparison {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(PostConditionCheckComparison.class);
 
-    @Autowired
-    private BuildDAO buildDAO;
+    private final BuildDAO buildDAO;
 
-    @Autowired
-    private PublishService publishService;
+    private final PublishService publishService;
 
     @Override
     public String getTestName() {
@@ -45,6 +43,12 @@ public int getTestOrder() {
         return BuildComparisonManager.TestType.POST_CONDITION_TEST.getTestOrder();
     }
 
+    @Autowired
+    public PostConditionCheckComparison(BuildDAO buildDAO, PublishService publishService) {
+        this.buildDAO = buildDAO;
+        this.publishService = publishService;
+    }
+
     @Override
     public void findDiff(Build leftBuild, Build rightBuild) throws IOException {
         List<DefaultComponentComparisonReport> reports = new ArrayList<>();
@@ -116,6 +120,11 @@ public void findDiff(Build leftBuild, Build rightBuild) throws IOException {
         }
     }
 
+    @Override
+    public ComponentComparison newInstance(BuildDAO buildDAO, PublishService publishService, String releaseValidationFrameworkUrl) {
+        return  new PostConditionCheckComparison(buildDAO, publishService);
+    }
+
     private List<PostConditionCheckReport> getPostConditionCheckReport(Build build) throws IOException {
         List<PostConditionCheckReport> report = new ArrayList<>();
         Build found = buildDAO.find(build.getReleaseCenterKey(), build.getProductKey(), build.getId(), false, false, false, null);
diff --git a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/PreConditionCheckComparison.java b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/PreConditionCheckComparison.java
index 5668b0a3f..c0590f007 100644
--- a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/PreConditionCheckComparison.java
+++ b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/PreConditionCheckComparison.java
@@ -24,11 +24,15 @@ public class PreConditionCheckComparison extends ComponentComparison {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(PreConditionCheckComparison.class);
 
-    @Autowired
-    private BuildDAO buildDAO;
+    private final BuildDAO buildDAO;
+
+    private final PublishService publishService;
 
     @Autowired
-    private PublishService publishService;
+    public PreConditionCheckComparison(BuildDAO buildDAO, PublishService publishService) {
+        this.buildDAO = buildDAO;
+        this.publishService = publishService;
+    }
 
     @Override
     public String getTestName() {
@@ -116,6 +120,11 @@ public void findDiff(Build leftBuild, Build rightBuild) {
         }
     }
 
+    @Override
+    public ComponentComparison newInstance(BuildDAO buildDAO, PublishService publishService, String releaseValidationFrameworkUrl) {
+        return new PreConditionCheckComparison(buildDAO, publishService);
+    }
+
     private List<PreConditionCheckReport> getPreConditionCheckReport(Build build) throws IOException {
         List<PreConditionCheckReport> report = new ArrayList<>();
         Build found = buildDAO.find(build.getReleaseCenterKey(), build.getProductKey(), build.getId(), false, false, false, null);
diff --git a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/RVFReportComparison.java b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/RVFReportComparison.java
index 29e51dbac..1cd042126 100644
--- a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/RVFReportComparison.java
+++ b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/RVFReportComparison.java
@@ -2,7 +2,9 @@
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import org.ihtsdo.buildcloud.core.dao.BuildDAO;
 import org.ihtsdo.buildcloud.core.entity.Build;
+import org.ihtsdo.buildcloud.core.service.PublishService;
 import org.ihtsdo.buildcloud.core.service.build.compare.BuildComparisonManager;
 import org.ihtsdo.buildcloud.core.service.build.compare.ComponentComparison;
 import org.ihtsdo.buildcloud.core.service.build.compare.DefaultComponentComparisonReport;
@@ -24,9 +26,13 @@ public class RVFReportComparison extends ComponentComparison {
 
     public static final String REPORTS = "reports";
 
-    @Value("${rvf.url}")
+
     private String releaseValidationFrameworkUrl;
 
+    public RVFReportComparison(@Value("${rvf.url}") String releaseValidationFrameworkUrl) {
+        this.releaseValidationFrameworkUrl = releaseValidationFrameworkUrl;
+    }
+
     public enum RVFTestName {
         REPORT_URL("RVF report URL"), STATUS("RVF status"), TOTAL_FAILURES("RVF total failures"), TOTAL_WARNINGS("RVF total warnings");
 
@@ -86,6 +92,11 @@ public void findDiff(Build leftBuild, Build rightBuild) throws IOException {
         }
     }
 
+    @Override
+    public ComponentComparison newInstance(BuildDAO buildDAO, PublishService publishService, String releaseValidationFrameworkUrl) {
+        return new RVFReportComparison(releaseValidationFrameworkUrl);
+    }
+
     private String getValidationComparisonReport(String leftUrl, String rightUrl) throws InterruptedException, BusinessServiceException, JsonProcessingException {
         RestTemplate rvfRestTemplate = new RestTemplate();
         URI uri = rvfRestTemplate.postForLocation(releaseValidationFrameworkUrl + "compare?prospectiveReportUrl=" + rightUrl + "&previousReportUrl=" + leftUrl, null);
diff --git a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/ReleasePackageComparison.java b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/ReleasePackageComparison.java
index b6eb95f20..0d218a976 100644
--- a/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/ReleasePackageComparison.java
+++ b/src/main/java/org/ihtsdo/buildcloud/core/service/build/compare/type/ReleasePackageComparison.java
@@ -47,11 +47,15 @@ public String getLabel() {
         }
     }
 
-    @Autowired
-    private BuildDAO buildDAO;
+    private final BuildDAO buildDAO;
+
+    private final PublishService publishService;
 
     @Autowired
-    private PublishService publishService;
+    public ReleasePackageComparison(BuildDAO buildDAO, PublishService publishService) {
+        this.buildDAO = buildDAO;
+        this.publishService =publishService;
+    }
 
     @Override
     public String getTestName() {
@@ -118,6 +122,11 @@ public void findDiff(Build leftBuild, Build rightBuild) throws IOException {
         }
     }
 
+    @Override
+    public ComponentComparison newInstance(BuildDAO buildDAO, PublishService publishService, String releaseValidationFrameworkUrl) {
+        return new ReleasePackageComparison(buildDAO, publishService);
+    }
+
     private void compareFiles(File leftDir, File rightDir, List<DefaultComponentComparisonReport> result) throws IOException {
         File[] leftFiles = leftDir.listFiles();
         File[] rightFiles = rightDir.listFiles();