diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/EndpointService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/EndpointService.java
index eef6849..cfbe5e3 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/EndpointService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/EndpointService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.Endpoint;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 
@@ -26,8 +27,12 @@ protected Class<Endpoint> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<Endpoint> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<Endpoint> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/EngagementService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/EngagementService.java
index 0797642..b592692 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/EngagementService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/EngagementService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.Engagement;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 
@@ -26,8 +27,12 @@ protected Class<Engagement> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<Engagement> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<Engagement> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/FindingService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/FindingService.java
index 7a339a4..7fa362d 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/FindingService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/FindingService.java
@@ -7,10 +7,10 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.Finding;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 
-import java.net.URISyntaxException;
 import java.util.List;
 import java.util.Map;
 
@@ -30,12 +30,16 @@ protected Class<Finding> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<Finding> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<Finding> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 
-  public List<Finding> getUnhandledFindingsForProduct(long productId, Finding.Severity minimumSeverity) throws URISyntaxException, JsonProcessingException {
+  public List<Finding> getUnhandledFindingsForProduct(long productId, Finding.Severity minimumSeverity) {
     final Map<String, Object> queryParams = Map.of(
       "test__engagement__product", Long.toString(productId),
       "active", Boolean.toString(true));
@@ -46,7 +50,7 @@ public List<Finding> getUnhandledFindingsForProduct(long productId, Finding.Seve
       .toList();
   }
 
-  public List<Finding> getUnhandledFindingsForEngagement(long engagementId, Finding.Severity minimumSeverity) throws URISyntaxException, JsonProcessingException {
+  public List<Finding> getUnhandledFindingsForEngagement(long engagementId, Finding.Severity minimumSeverity) {
     final Map<String, Object> queryParams = Map.of(
       "test__engagement", Long.toString(engagementId),
       "active", Boolean.toString(true));
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/GenericDefectDojoService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/GenericDefectDojoService.java
index 23a7195..14a12f3 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/GenericDefectDojoService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/GenericDefectDojoService.java
@@ -5,12 +5,12 @@
 package io.securecodebox.persistence.defectdojo.service;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
-import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.cfg.CoercionAction;
 import com.fasterxml.jackson.databind.cfg.CoercionInputShape;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.exception.TooManyResponsesException;
 import io.securecodebox.persistence.defectdojo.http.Foo;
 import io.securecodebox.persistence.defectdojo.http.ProxyConfigFactory;
@@ -35,7 +35,6 @@
 import java.util.*;
 
 // FIXME: Should be package private bc implementation detail.
-// TODO: Remove JsonProcessingException, URISyntaxException from public API and use a own runtime exception type bc these checked exceptions clutter the client coe.
 public abstract class GenericDefectDojoService<T extends Model> {
   private static final String API_PREFIX = "/api/v2/";
   private static final long DEFECT_DOJO_OBJET_LIMIT = 100L;
@@ -88,7 +87,7 @@ private RestTemplate setupRestTemplate() {
 
   protected abstract Class<T> getModelClass();
 
-  protected abstract PaginatedResult<T> deserializeList(String response) throws JsonProcessingException;
+  protected abstract PaginatedResult<T> deserializeList(String response);
 
   public T get(long id) {
     var restTemplate = this.getRestTemplate();
@@ -104,7 +103,7 @@ public T get(long id) {
     return response.getBody();
   }
 
-  protected PaginatedResult<T> internalSearch(Map<String, Object> queryParams, long limit, long offset) throws JsonProcessingException, URISyntaxException {
+  protected PaginatedResult<T> internalSearch(Map<String, Object> queryParams, long limit, long offset) {
     var restTemplate = this.getRestTemplate();
     HttpEntity<String> payload = new HttpEntity<>(getDefectDojoAuthorizationHeaders());
 
@@ -118,11 +117,18 @@ protected PaginatedResult<T> internalSearch(Map<String, Object> queryParams, lon
       multiValueMap.set(entry.getKey(), String.valueOf(entry.getValue()));
     }
 
-    var url = new URI(this.config.getUrl() + API_PREFIX + this.getUrlPath() + "/");
-    var uriBuilder = UriComponentsBuilder.fromUri(url).queryParams(multiValueMap);
+    final var url = this.config.getUrl() + API_PREFIX + this.getUrlPath() + "/";
+    final UriComponentsBuilder builder;
+    try {
+      builder = UriComponentsBuilder
+        .fromUri(new URI(url))
+        .queryParams(multiValueMap);
+    } catch (URISyntaxException e) {
+      throw new PersistenceException("Bad URL given: " + url, e);
+    }
 
-    ResponseEntity<String> responseString = restTemplate.exchange(
-      uriBuilder.build(mutableQueryParams),
+    final ResponseEntity<String> responseString = restTemplate.exchange(
+      builder.build(mutableQueryParams),
       HttpMethod.GET,
       payload,
       String.class
@@ -131,7 +137,7 @@ protected PaginatedResult<T> internalSearch(Map<String, Object> queryParams, lon
     return deserializeList(responseString.getBody());
   }
 
-  public List<T> search(Map<String, Object> queryParams) throws URISyntaxException, JsonProcessingException {
+  public List<T> search(Map<String, Object> queryParams) {
     List<T> objects = new LinkedList<>();
 
     boolean hasNext;
@@ -149,12 +155,12 @@ public List<T> search(Map<String, Object> queryParams) throws URISyntaxException
     return objects;
   }
 
-  public List<T> search() throws URISyntaxException, JsonProcessingException {
+  public List<T> search() {
     return search(new LinkedHashMap<>());
   }
 
   @SuppressWarnings("unchecked")
-  public Optional<T> searchUnique(T searchObject) throws URISyntaxException, JsonProcessingException {
+  public Optional<T> searchUnique(T searchObject) {
     Map<String, Object> queryParams = searchStringMapper.convertValue(searchObject, Map.class);
 
     var objects = search(queryParams);
@@ -164,7 +170,7 @@ public Optional<T> searchUnique(T searchObject) throws URISyntaxException, JsonP
       .findFirst();
   }
 
-  public Optional<T> searchUnique(Map<String, Object> queryParams) throws URISyntaxException, JsonProcessingException {
+  public Optional<T> searchUnique(Map<String, Object> queryParams) {
     var objects = search(queryParams);
 
     return objects.stream()
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/GroupMemberService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/GroupMemberService.java
index 10ba649..77b2f7b 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/GroupMemberService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/GroupMemberService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.GroupMember;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 
@@ -26,8 +27,12 @@ protected Class<GroupMember> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<GroupMember> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<GroupMember> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/GroupService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/GroupService.java
index ca5fa92..629aeac 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/GroupService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/GroupService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.Group;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 
@@ -26,8 +27,12 @@ protected Class<Group> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<Group> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<Group> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductGroupService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductGroupService.java
index 4b57db7..ff6a9fe 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductGroupService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductGroupService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 import io.securecodebox.persistence.defectdojo.model.ProductGroup;
 
@@ -26,8 +27,12 @@ protected Class<ProductGroup> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<ProductGroup> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<ProductGroup> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductService.java
index 0aae2f2..6d159b9 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 import io.securecodebox.persistence.defectdojo.model.Product;
 
@@ -27,8 +28,12 @@ protected Class<Product> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<Product> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<Product> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductTypeService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductTypeService.java
index 0039a92..530eb13 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductTypeService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/ProductTypeService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 import io.securecodebox.persistence.defectdojo.model.ProductType;
 
@@ -27,8 +28,12 @@ protected Class<ProductType> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<ProductType> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<ProductType> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/TestService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/TestService.java
index d2ca576..4c0af50 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/TestService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/TestService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 import io.securecodebox.persistence.defectdojo.model.Test;
 
@@ -26,8 +27,12 @@ protected Class<Test> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<Test> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<Test> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/TestTypeService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/TestTypeService.java
index ec2b1c4..42349f2 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/TestTypeService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/TestTypeService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 import io.securecodebox.persistence.defectdojo.model.TestType;
 
@@ -26,8 +27,12 @@ protected Class<TestType> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<TestType> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<TestType> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/ToolConfigService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/ToolConfigService.java
index 2789466..450f06b 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/ToolConfigService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/ToolConfigService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 import io.securecodebox.persistence.defectdojo.model.ToolConfig;
 
@@ -26,8 +27,12 @@ protected Class<ToolConfig> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<ToolConfig> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<ToolConfig> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/ToolTypeService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/ToolTypeService.java
index 24ff54a..03f71b9 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/ToolTypeService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/ToolTypeService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 import io.securecodebox.persistence.defectdojo.model.ToolType;
 
@@ -31,8 +32,12 @@ protected Class<ToolType> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<ToolType> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<ToolType> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/UserProfileService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/UserProfileService.java
index 0083dd5..b5b0608 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/UserProfileService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/UserProfileService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 import io.securecodebox.persistence.defectdojo.model.UserProfile;
 
@@ -29,13 +30,18 @@ protected Class<UserProfile> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<UserProfile> deserializeList(String response) throws JsonProcessingException {
+  protected PaginatedResult<UserProfile> deserializeList(String response) {
     /* GenericDefectDojoService expects that the response from the defectdojo api is a list.
      * This endpoint returns a single object though, to not break the code this response
      * gets converted to a defectdojo response.
      */
-    final var userProfile = this.objectMapper.readValue(response, new TypeReference<UserProfile>() {
-    });
+    final UserProfile userProfile;
+    try {
+      userProfile = this.objectMapper.readValue(response, new TypeReference<UserProfile>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
     final var result = new PaginatedResult<UserProfile>();
     result.setResults(List.of(userProfile));
     result.setCount(1);
diff --git a/src/main/java/io/securecodebox/persistence/defectdojo/service/UserService.java b/src/main/java/io/securecodebox/persistence/defectdojo/service/UserService.java
index d9c619e..62dc4f4 100644
--- a/src/main/java/io/securecodebox/persistence/defectdojo/service/UserService.java
+++ b/src/main/java/io/securecodebox/persistence/defectdojo/service/UserService.java
@@ -7,6 +7,7 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import io.securecodebox.persistence.defectdojo.config.Config;
+import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
 import io.securecodebox.persistence.defectdojo.model.PaginatedResult;
 import io.securecodebox.persistence.defectdojo.model.User;
 
@@ -26,8 +27,12 @@ protected Class<User> getModelClass() {
   }
 
   @Override
-  protected PaginatedResult<User> deserializeList(String response) throws JsonProcessingException {
-    return this.objectMapper.readValue(response, new TypeReference<>() {
-    });
+  protected PaginatedResult<User> deserializeList(String response) {
+    try {
+      return this.objectMapper.readValue(response, new TypeReference<>() {
+      });
+    } catch (JsonProcessingException e) {
+      throw new PersistenceException("Can't process JSON response!", e);
+    }
   }
 }