use @PersistenceContext for EntityManager, not @Autowired

src/main/java/net/hostsharing/hsadminng/context/Context.java

@@ -32,6 +32,7 @@ public class Context {
             "content-length",
             "host",
             "user-agent");
+
     @PersistenceContext
     private EntityManager em;
 

src/main/java/net/hostsharing/hsadminng/errors/CustomErrorResponse.java

@@ -35,17 +35,17 @@ class CustomErrorResponse {
 
     private final String path;
 
-    private final int status;
+    private final int statusCode;
 
-    private final String error;
+    private final String statusPhrase;
 
     private final String message;
 
     CustomErrorResponse(final String path, final HttpStatus status, final String message) {
         this.timestamp = LocalDateTime.now();
         this.path = path;
-        this.status = status.value();
-        this.error = status.getReasonPhrase();
+        this.statusCode = status.value();
+        this.statusPhrase = status.getReasonPhrase();
         this.message = message;
     }
 }

src/main/java/net/hostsharing/hsadminng/hs/office/debitor/HsOfficeDebitorController.java

@@ -13,6 +13,7 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder;
 
 import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
 import java.util.List;
 import java.util.UUID;
 
@@ -29,7 +30,7 @@ public class HsOfficeDebitorController implements HsOfficeDebitorsApi {
     @Autowired
     private HsOfficeDebitorRepository debitorRepo;
 
-    @Autowired
+    @PersistenceContext
     private EntityManager em;
 
     @Override

src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipController.java

@@ -13,6 +13,7 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder;
 
 import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
 import javax.validation.Valid;
 import java.util.List;
 import java.util.UUID;
@@ -31,7 +32,7 @@ public class HsOfficeMembershipController implements HsOfficeMembershipsApi {
     @Autowired
     private HsOfficeMembershipRepository membershipRepo;
 
-    @Autowired
+    @PersistenceContext
     private EntityManager em;
 
     @Override

src/main/java/net/hostsharing/hsadminng/hs/office/partner/HsOfficePartnerController.java

@@ -14,6 +14,7 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder;
 
 import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
 import java.util.List;
 import java.util.UUID;
 
@@ -30,7 +31,7 @@ public class HsOfficePartnerController implements HsOfficePartnersApi {
     @Autowired
     private HsOfficePartnerRepository partnerRepo;
 
-    @Autowired
+    @PersistenceContext
     private EntityManager em;
 
     @Override

src/main/java/net/hostsharing/hsadminng/hs/office/relationship/HsOfficeRelationshipController.java

@@ -13,6 +13,7 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder;
 
 import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
 import java.util.List;
 import java.util.NoSuchElementException;
 import java.util.UUID;
@@ -38,7 +39,7 @@ public class HsOfficeRelationshipController implements HsOfficeRelationshipsApi
     @Autowired
     private HsOfficeContactRepository contactRepo;
 
-    @Autowired
+    @PersistenceContext
     private EntityManager em;
 
     @Override

src/main/java/net/hostsharing/hsadminng/hs/office/sepamandate/HsOfficeSepaMandateController.java

@@ -13,6 +13,7 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder;
 
 import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
 import javax.validation.Valid;
 import java.util.List;
 import java.util.UUID;
@@ -33,7 +34,7 @@ public class HsOfficeSepaMandateController implements HsOfficeSepaMandatesApi {
     @Autowired
     private HsOfficeSepaMandateRepository SepaMandateRepo;
 
-    @Autowired
+    @PersistenceContext
     private EntityManager em;
 
     @Override

src/main/java/net/hostsharing/hsadminng/mapper/Mapper.java

@@ -7,6 +7,7 @@ import org.springframework.util.ReflectionUtils;
 
 import javax.persistence.EntityManager;
 import javax.persistence.ManyToOne;
+import javax.persistence.PersistenceContext;
 import javax.validation.ValidationException;
 import java.lang.reflect.Field;
 import java.util.List;
@@ -18,7 +19,7 @@ import java.util.stream.Collectors;
  */
 public class Mapper extends ModelMapper {
 
-    @Autowired
+    @PersistenceContext
     EntityManager em;
 
     public Mapper() {

src/main/java/net/hostsharing/hsadminng/rbac/rbacgrant/RbacGrantController.java

@@ -11,6 +11,7 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder;
 
 import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
 import java.util.List;
 import java.util.UUID;
 
@@ -26,7 +27,7 @@ public class RbacGrantController implements RbacGrantsApi {
     @Autowired
     private RbacGrantRepository rbacGrantRepository;
 
-    @Autowired
+    @PersistenceContext
     private EntityManager em;
 
     @Override