diff --git a/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/ComponentDatabaseHandler.java b/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/ComponentDatabaseHandler.java
index 0a404e5150..dc7f0d5737 100644
--- a/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/ComponentDatabaseHandler.java
+++ b/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/ComponentDatabaseHandler.java
@@ -455,10 +455,10 @@ private void setMainLicenses(Component component) {
      * Add new release to the database
      */
     public AddDocumentRequestSummary addComponent(Component component, String user) throws SW360Exception {
-        if(isDuplicateUsingVcs(component.getVcs())){
+        if(isDuplicateUsingVcs(component, true)){
             final AddDocumentRequestSummary addDocumentRequestSummary = new AddDocumentRequestSummary()
                     .setRequestStatus(AddDocumentRequestStatus.DUPLICATE);
-            Set<String> duplicates = componentRepository.getComponentIdsByVCS(component.getVcs().toLowerCase());
+            Set<String> duplicates = componentRepository.getComponentIdsByVCS(component.getVcs(), true);
             if (duplicates.size() == 1) {
                 duplicates.forEach(addDocumentRequestSummary::setId);
             }
@@ -605,11 +605,15 @@ private boolean isDuplicate(String componentName, boolean caseInsenstive) {
         return duplicates.size()>0;
     }
 
-    private boolean isDuplicateUsingVcs(String vcsUrl){
+    private boolean isDuplicateUsingVcs(Component component, boolean caseInsenstive){
+        return isDuplicateUsingVcs(component.getVcs(), caseInsenstive);
+    }
+
+    private boolean isDuplicateUsingVcs(String vcsUrl, boolean caseInsenstive){
         if (isNullEmptyOrWhitespace(vcsUrl)) {
             return false;
         }
-        Set<String> duplicates = componentRepository.getComponentIdsByVCS(vcsUrl.toLowerCase());
+        Set<String> duplicates = componentRepository.getComponentIdsByVCS(vcsUrl, caseInsenstive);
         return duplicates.size()>0;
     }
 
diff --git a/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/ComponentRepository.java b/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/ComponentRepository.java
index ab65af69ec..3f494454e1 100644
--- a/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/ComponentRepository.java
+++ b/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/ComponentRepository.java
@@ -153,6 +153,12 @@ public class ComponentRepository extends SummaryAwareRepository<Component> {
             "  } " +
             "}";
 
+    private static final String BY_VCS_LOWERCASE = "function(doc) {" +
+            "  if (doc.type == 'component') {" +
+            "    emit(doc.vcs.toLowerCase().trim(), doc._id);" +
+            "  } " +
+            "}";
+
     public ComponentRepository(DatabaseConnectorCloudant db, ReleaseRepository releaseRepository, VendorRepository vendorRepository) {
         super(Component.class, db, new ComponentSummary(releaseRepository, vendorRepository));
         Map<String, MapReduce> views = new HashMap<String, MapReduce>();
@@ -172,6 +178,7 @@ public ComponentRepository(DatabaseConnectorCloudant db, ReleaseRepository relea
         views.put("bymainlicense", createMapReduce(BY_MAIN_LICENSE, null));
         views.put("byvendor", createMapReduce(BY_VENDOR, null));
         views.put("byVCS", createMapReduce(BY_VCS, null));
+        views.put("byVCSLowercase", createMapReduce(BY_VCS_LOWERCASE, null));
         initStandardDesignDocument(views, db);
     }
 
@@ -222,9 +229,11 @@ public Set<String> getComponentIdsByName(String name, boolean caseInsenstive) {
         return queryForIdsAsValue("byname", name);
     }
 
-    public Set<String> getComponentIdsByVCS(String vcs){
-        Set<String> componentIds =  queryForIdsAsValue("byVCS", vcs);
-        return componentIds;
+    public Set<String> getComponentIdsByVCS(String vcs, boolean caseInsenstive){
+        if(caseInsenstive){
+            return queryForIdsAsValue("byVCSLowercase", vcs.toLowerCase());
+        }
+        return queryForIdsAsValue("byVCS", vcs);
     }
 
     public List<Component> searchComponentByName(String name, boolean caseSensitive) {
diff --git a/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/PackageDatabaseHandler.java b/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/PackageDatabaseHandler.java
index 56318d6214..687fa0e447 100644
--- a/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/PackageDatabaseHandler.java
+++ b/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/PackageDatabaseHandler.java
@@ -422,10 +422,10 @@ private List<Package> getPackageByNameAndVersion(String pkgName, String pkgVersi
     }
 
     private List<Package> getPackageByPurl(String purl) {
-        if (purl == null) {
+        if (isNullEmptyOrWhitespace(purl)) {
             return Collections.emptyList();
         }
-        return packageRepository.searchByPurl(purl);
+        return packageRepository.searchByPurl(purl, true);
     }
 
     private void copyImmutableFields(Package destination, Package source) {
diff --git a/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/PackageRepository.java b/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/PackageRepository.java
index ec1d2220d0..ae016087fc 100644
--- a/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/PackageRepository.java
+++ b/backend/src-common/src/main/java/org/eclipse/sw360/datahandler/db/PackageRepository.java
@@ -49,6 +49,7 @@ public class PackageRepository extends DatabaseRepositoryCloudantClient<Package>
     private static final String BY_RELEASE_ID = "function(doc) { if (doc.type == 'package') { emit(doc.releaseId, doc._id); } }";
     private static final String BY_LICENSE_IDS = "function(doc) { if (doc.type == 'package') { if (doc.licenseIds) { emit(doc.licenseIds.join(), doc._id); } else { emit('', doc._id); } } }";
     private static final String BY_PURL = "function(doc) { if (doc.type == 'package') { emit(doc.purl.trim(), doc._id) } }";
+    private static final String BY_PURL_LOWERCASE = "function(doc) { if (doc.type == 'package') { emit(doc.purl.toLowerCase().trim(), doc._id) } }";
 
     public PackageRepository(DatabaseConnectorCloudant db) {
         super(db, Package.class);
@@ -63,6 +64,7 @@ public PackageRepository(DatabaseConnectorCloudant db) {
         views.put("byReleaseId", createMapReduce(BY_RELEASE_ID, null));
         views.put("byLicenseIds", createMapReduce(BY_LICENSE_IDS, null));
         views.put("byPurl", createMapReduce(BY_PURL, null));
+        views.put("byPurlLowercase", createMapReduce(BY_PURL_LOWERCASE, null));
         initStandardDesignDocument(views, db);
     }
 
@@ -107,9 +109,13 @@ public List<Package> searchByNameAndVersion(String name, String version, boolean
         return releasesMatchingNameAndVersion;
     }
 
-    public List<Package> searchByPurl(String purl) {
-        List<org.eclipse.sw360.datahandler.thrift.packages.Package> packagesMatchingPurl
-                = new ArrayList<org.eclipse.sw360.datahandler.thrift.packages.Package>(queryView("byPurl", purl));
+    public List<Package> searchByPurl(String purl, boolean caseInsenstive) {
+        List<Package> packagesMatchingPurl;
+        if(caseInsenstive){
+            packagesMatchingPurl = new ArrayList<Package>(queryView("byPurlLowercase", purl.toLowerCase()));
+        }else{
+            packagesMatchingPurl = new ArrayList<Package>(queryView("byPurl", purl));
+        }
         return packagesMatchingPurl;
     }