diff --git a/ccm-core/src/main/java/org/libreccm/categorization/Category.java b/ccm-core/src/main/java/org/libreccm/categorization/Category.java
index 18f87048d..a1d52b722 100644
--- a/ccm-core/src/main/java/org/libreccm/categorization/Category.java
+++ b/ccm-core/src/main/java/org/libreccm/categorization/Category.java
@@ -164,7 +164,7 @@ public class Category extends CcmObject implements Serializable, Portable {
      */
     @Column(name = "NAME", nullable = false)
     @NotBlank
-    @Pattern(regexp = "[\\w-.]*")
+//    @Pattern(regexp = "[\\w-.]*")
     @XmlElement(name = "name", namespace = CAT_XML_NS)
     private String name;
 
diff --git a/ccm-core/src/main/java/org/libreccm/categorization/CategoryIdResolver.java b/ccm-core/src/main/java/org/libreccm/categorization/CategoryIdResolver.java
index 54058d8ed..a3e863394 100644
--- a/ccm-core/src/main/java/org/libreccm/categorization/CategoryIdResolver.java
+++ b/ccm-core/src/main/java/org/libreccm/categorization/CategoryIdResolver.java
@@ -20,9 +20,9 @@ package org.libreccm.categorization;
 
 import com.fasterxml.jackson.annotation.ObjectIdGenerator;
 import com.fasterxml.jackson.annotation.ObjectIdResolver;
+import org.libreccm.cdi.utils.CdiUtil;
 
 import javax.enterprise.context.RequestScoped;
-import javax.inject.Inject;
 
 /**
  * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers</a>
@@ -30,8 +30,6 @@ import javax.inject.Inject;
  */
 @RequestScoped
 public class CategoryIdResolver implements ObjectIdResolver {
-    @Inject
-    private CategoryRepository categoryRepository;
 
     @Override
     public void bindItem(ObjectIdGenerator.IdKey idKey,
@@ -43,7 +41,15 @@ public class CategoryIdResolver implements ObjectIdResolver {
 
     @Override
     public Object resolveId(ObjectIdGenerator.IdKey id) {
-        return categoryRepository.findByUuid(id.key.toString());
+        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        final CategoryRepository categoryRepository = cdiUtil
+                .findBean(CategoryRepository.class);
+
+        return categoryRepository
+                .findByUuid(id.key.toString())
+                .orElseThrow(() -> new IllegalArgumentException(String
+                .format("No Category with uuid %s in the database.",
+                        id.key.toString())));
     }
 
     @Override
diff --git a/ccm-core/src/main/java/org/libreccm/categorization/CategoryRepository.java b/ccm-core/src/main/java/org/libreccm/categorization/CategoryRepository.java
index e9e13ad9d..3bed87421 100644
--- a/ccm-core/src/main/java/org/libreccm/categorization/CategoryRepository.java
+++ b/ccm-core/src/main/java/org/libreccm/categorization/CategoryRepository.java
@@ -95,7 +95,6 @@ public class CategoryRepository extends AbstractEntityRepository<Long, Category>
      *
      * @return An optional either with the found item or empty
      */
-    @Transactional(Transactional.TxType.REQUIRED)
     public Optional<Category> findByUuid(final String uuid) {
         final TypedQuery<Category> query = getEntityManager().
                 createNamedQuery("Category.findByUuid", Category.class);
diff --git a/ccm-core/src/main/java/org/libreccm/security/GroupIdResolver.java b/ccm-core/src/main/java/org/libreccm/security/GroupIdResolver.java
index 2380f9273..a0710a01d 100644
--- a/ccm-core/src/main/java/org/libreccm/security/GroupIdResolver.java
+++ b/ccm-core/src/main/java/org/libreccm/security/GroupIdResolver.java
@@ -20,16 +20,13 @@ package org.libreccm.security;
 
 import com.fasterxml.jackson.annotation.ObjectIdGenerator;
 import com.fasterxml.jackson.annotation.ObjectIdResolver;
-
-import javax.inject.Inject;
+import org.libreccm.cdi.utils.CdiUtil;
 
 /**
  * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers</a>
  * @version created on 3/23/17
  */
 public class GroupIdResolver implements ObjectIdResolver {
-    @Inject
-    private GroupRepository groupRepository;
 
     @Override
     public void bindItem(final ObjectIdGenerator.IdKey id,
@@ -41,7 +38,15 @@ public class GroupIdResolver implements ObjectIdResolver {
 
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        return groupRepository.findByName(id.key.toString());
+        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        final GroupRepository groupRepo = cdiUtil
+                .findBean(GroupRepository.class);
+
+        return groupRepo
+                .findByName(id.key.toString())
+                .orElseThrow(() -> new IllegalArgumentException(String
+                .format("No Group with name %s in the database.",
+                        id.key.toString())));
     }
 
     @Override
diff --git a/ccm-core/src/main/java/org/libreccm/security/PartyIdResolver.java b/ccm-core/src/main/java/org/libreccm/security/PartyIdResolver.java
index 38bc47781..cdffc2ad4 100644
--- a/ccm-core/src/main/java/org/libreccm/security/PartyIdResolver.java
+++ b/ccm-core/src/main/java/org/libreccm/security/PartyIdResolver.java
@@ -20,16 +20,13 @@ package org.libreccm.security;
 
 import com.fasterxml.jackson.annotation.ObjectIdGenerator;
 import com.fasterxml.jackson.annotation.ObjectIdResolver;
-
-import javax.inject.Inject;
+import org.libreccm.cdi.utils.CdiUtil;
 
 /**
  * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers</a>
  * @version created on 3/23/17
  */
 public class PartyIdResolver implements ObjectIdResolver {
-    @Inject
-    private PartyRepository partyRepository;
 
     @Override
     public void bindItem(final ObjectIdGenerator.IdKey id,
@@ -41,7 +38,15 @@ public class PartyIdResolver implements ObjectIdResolver {
 
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        return partyRepository.findByName(id.key.toString());
+        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        final PartyRepository partyRepository = cdiUtil
+                .findBean(PartyRepository.class);
+
+        return partyRepository
+                .findByName(id.key.toString())
+                .orElseThrow(() -> new IllegalArgumentException(String
+                .format("No Party with name %s in the database.",
+                        id.key.toString())));
     }
 
     @Override
diff --git a/ccm-core/src/main/java/org/libreccm/security/Role.java b/ccm-core/src/main/java/org/libreccm/security/Role.java
index 2bc4e95eb..a9d25b6bb 100644
--- a/ccm-core/src/main/java/org/libreccm/security/Role.java
+++ b/ccm-core/src/main/java/org/libreccm/security/Role.java
@@ -159,7 +159,7 @@ public class Role implements Serializable, Portable {
     @Column(name = "NAME", length = 512, nullable = false)
     @Field
     @NotBlank
-    @Pattern(regexp = "[a-zA-Z0-9\\-_]*")
+//    @Pattern(regexp = "[a-zA-Z0-9\\-_]*")
     @XmlElement(name = "name", namespace = CORE_XML_NS)
     private String name;
 
diff --git a/ccm-core/src/main/java/org/libreccm/security/RoleIdResolver.java b/ccm-core/src/main/java/org/libreccm/security/RoleIdResolver.java
index 0d24841d1..b24c146ae 100644
--- a/ccm-core/src/main/java/org/libreccm/security/RoleIdResolver.java
+++ b/ccm-core/src/main/java/org/libreccm/security/RoleIdResolver.java
@@ -20,16 +20,13 @@ package org.libreccm.security;
 
 import com.fasterxml.jackson.annotation.ObjectIdGenerator;
 import com.fasterxml.jackson.annotation.ObjectIdResolver;
-
-import javax.inject.Inject;
+import org.libreccm.cdi.utils.CdiUtil;
 
 /**
  * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers</a>
  * @version created on 3/23/17
  */
 public class RoleIdResolver implements ObjectIdResolver {
-    @Inject
-    private RoleRepository roleRepository;
 
     @Override
     public void bindItem(final ObjectIdGenerator.IdKey id,
@@ -41,7 +38,15 @@ public class RoleIdResolver implements ObjectIdResolver {
 
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        return roleRepository.findByName(id.key.toString());
+        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        final RoleRepository roleRepository = cdiUtil
+                .findBean(RoleRepository.class);
+
+        return roleRepository
+                .findByName(id.key.toString())
+                .orElseThrow(() -> new IllegalArgumentException(String
+                .format("No Role with name %s in the database.",
+                        id.key.toString())));
     }
 
     @Override
diff --git a/ccm-core/src/main/java/org/libreccm/security/UserIdResolver.java b/ccm-core/src/main/java/org/libreccm/security/UserIdResolver.java
index 809b4c803..d052f2908 100644
--- a/ccm-core/src/main/java/org/libreccm/security/UserIdResolver.java
+++ b/ccm-core/src/main/java/org/libreccm/security/UserIdResolver.java
@@ -20,9 +20,9 @@ package org.libreccm.security;
 
 import com.fasterxml.jackson.annotation.ObjectIdGenerator;
 import com.fasterxml.jackson.annotation.ObjectIdResolver;
+import org.libreccm.cdi.utils.CdiUtil;
 
 import javax.enterprise.context.RequestScoped;
-import javax.inject.Inject;
 
 /**
  * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers</a>
@@ -30,8 +30,6 @@ import javax.inject.Inject;
  */
 @RequestScoped
 public class UserIdResolver implements ObjectIdResolver {
-    @Inject
-    private UserRepository userRepository;
 
     @Override
     public void bindItem(final ObjectIdGenerator.IdKey id,
@@ -43,7 +41,15 @@ public class UserIdResolver implements ObjectIdResolver {
 
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        return userRepository.findByName(id.key.toString());
+        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        final UserRepository userRepo = cdiUtil
+                .findBean(UserRepository.class);
+
+        return userRepo
+                .findByName(id.key.toString())
+                .orElseThrow(() -> new IllegalArgumentException(String
+                .format("No User with name %s in the database.",
+                        id.key.toString())));
     }
 
     @Override
diff --git a/ccm-core/src/test/java/org/libreccm/portation/CoreDataImportTest.java b/ccm-core/src/test/java/org/libreccm/portation/CoreDataImportTest.java
index c44b7ae51..d92d28695 100644
--- a/ccm-core/src/test/java/org/libreccm/portation/CoreDataImportTest.java
+++ b/ccm-core/src/test/java/org/libreccm/portation/CoreDataImportTest.java
@@ -83,6 +83,8 @@ public class CoreDataImportTest {
                                 "CoreDataImportTest.war")
                 .addPackage(org.libreccm.categorization.Category
                         .class.getPackage())
+                .addPackage(org.libreccm.cdi.utils.CdiUtil
+                        .class.getPackage())
                 .addPackage(org.libreccm.core.CcmObject
                         .class.getPackage())
                 .addPackage(org.libreccm.l10n.LocalizedString
@@ -127,6 +129,9 @@ public class CoreDataImportTest {
         Assert.assertFalse(importHelper.importUsers());
         Assert.assertFalse(importHelper.importGroups());
         Assert.assertFalse(importHelper.importGroupMemberships());
+        Assert.assertFalse(importHelper.importRoles());
+        Assert.assertFalse(importHelper.importRoleMemberships());
+        //Assert.assertFalse(importHelper.importCategories());
 
     }