diff --git a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/domain/ExistContainer.java b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/domain/ExistContainer.java
new file mode 100644
index 0000000..f16664b
--- /dev/null
+++ b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/domain/ExistContainer.java
@@ -0,0 +1,41 @@
+package dev.struchkov.bot.gitlab.context.domain;
+
+import lombok.NonNull;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+public class ExistContainer<Entity, Key> {
+
+    protected final List<Entity> container;
+    protected final boolean allFound;
+    protected final Set<Key> idNoFound;
+
+    protected ExistContainer(List<Entity> container, boolean allFound, Set<Key> idNoFound) {
+        this.container = container;
+        this.allFound = allFound;
+        this.idNoFound = idNoFound;
+    }
+
+    public static <T, K> ExistContainer<T, K> allFind(@NonNull List<T> container) {
+        return new ExistContainer<>(container, true, Collections.emptySet());
+    }
+
+    public static <T, K> ExistContainer<T, K> notAllFind(@NonNull List<T> container, @NonNull Set<K> idNoFound) {
+        return new ExistContainer<>(container, false, idNoFound);
+    }
+
+    public List<Entity> getContainer() {
+        return container;
+    }
+
+    public boolean isAllFound() {
+        return allFound;
+    }
+
+    public Set<Key> getIdNoFound() {
+        return idNoFound;
+    }
+
+}
diff --git a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/domain/ExistsContainer.java b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/domain/ExistsContainer.java
deleted file mode 100644
index be81a33..0000000
--- a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/domain/ExistsContainer.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package dev.struchkov.bot.gitlab.context.domain;
-
-import lombok.NonNull;
-
-import java.util.Collection;
-import java.util.Collections;
-
-public class ExistsContainer<Entity, Key> {
-
-    protected final Collection<Entity> container;
-    protected final boolean allFound;
-    protected final Collection<Key> idNoFound;
-
-    protected ExistsContainer(Collection<Entity> container, boolean allFound, Collection<Key> idNoFound) {
-        this.container = container;
-        this.allFound = allFound;
-        this.idNoFound = idNoFound;
-    }
-
-    public static <T, K> ExistsContainer<T, K> allFind(@NonNull Collection<T> container) {
-        return new ExistsContainer<>(container, true, Collections.emptyList());
-    }
-
-    public static <T, K> ExistsContainer<T, K> notAllFind(@NonNull Collection<T> container, @NonNull Collection<K> idNoFound) {
-        return new ExistsContainer<>(container, false, idNoFound);
-    }
-
-    public Collection<Entity> getContainer() {
-        return container;
-    }
-
-    public boolean isAllFound() {
-        return allFound;
-    }
-
-    public Collection<Key> getIdNoFound() {
-        return idNoFound;
-    }
-
-}
diff --git a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/domain/entity/Pipeline.java b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/domain/entity/Pipeline.java
index 2270802..5da5094 100644
--- a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/domain/entity/Pipeline.java
+++ b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/domain/entity/Pipeline.java
@@ -6,6 +6,7 @@ import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
+import javax.persistence.CascadeType;
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.EnumType;
@@ -53,7 +54,7 @@ public class Pipeline {
     @JoinColumn(name = "project_id")
     private Project project;
 
-    @ManyToOne
+    @ManyToOne(cascade = {CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REFRESH})
     @JoinColumn(name = "person_id")
     private Person person;
 
diff --git a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/DiscussionService.java b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/DiscussionService.java
index 11707a7..06663eb 100644
--- a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/DiscussionService.java
+++ b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/DiscussionService.java
@@ -1,6 +1,6 @@
 package dev.struchkov.bot.gitlab.context.service;
 
-import dev.struchkov.bot.gitlab.context.domain.ExistsContainer;
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.entity.Discussion;
 import lombok.NonNull;
 import org.springframework.data.domain.Page;
@@ -31,7 +31,7 @@ public interface DiscussionService {
      */
     List<Discussion> getAllByMergeRequestId(@NonNull Long mergeRequestId);
 
-    ExistsContainer<Discussion, String> existsById(@NonNull Set<String> discussionIds);
+    ExistContainer<Discussion, String> existsById(@NonNull Set<String> discussionIds);
 
     List<Discussion> createAll(@NonNull List<Discussion> newDiscussions);
 
diff --git a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/MergeRequestsService.java b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/MergeRequestsService.java
index 1b42371..bc44bf0 100644
--- a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/MergeRequestsService.java
+++ b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/MergeRequestsService.java
@@ -1,6 +1,6 @@
 package dev.struchkov.bot.gitlab.context.service;
 
-import dev.struchkov.bot.gitlab.context.domain.ExistsContainer;
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.IdAndStatusPr;
 import dev.struchkov.bot.gitlab.context.domain.MergeRequestState;
 import dev.struchkov.bot.gitlab.context.domain.entity.MergeRequest;
@@ -32,7 +32,7 @@ public interface MergeRequestsService {
 
     Page<MergeRequest> getAll(@NonNull MergeRequestFilter filter, Pageable pagination);
 
-    ExistsContainer<MergeRequest, Long> existsById(@NonNull Set<Long> mergeRequestIds);
+    ExistContainer<MergeRequest, Long> existsById(@NonNull Set<Long> mergeRequestIds);
 
     List<MergeRequest> createAll(List<MergeRequest> newMergeRequests);
 
diff --git a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/PersonService.java b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/PersonService.java
index 2fd6772..0aa4d7a 100644
--- a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/PersonService.java
+++ b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/PersonService.java
@@ -1,6 +1,6 @@
 package dev.struchkov.bot.gitlab.context.service;
 
-import dev.struchkov.bot.gitlab.context.domain.ExistsContainer;
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.entity.Person;
 import lombok.NonNull;
 
@@ -18,7 +18,7 @@ public interface PersonService {
 
     Person getByIdOrThrown(@NonNull Long personId);
 
-    ExistsContainer<Person, Long> existsById(Set<Long> personIds);
+    ExistContainer<Person, Long> existsById(Set<Long> personIds);
 
     List<Person> createAll(List<Person> newPersons);
 
diff --git a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/PipelineService.java b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/PipelineService.java
index f2ceacd..bd0a877 100644
--- a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/PipelineService.java
+++ b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/PipelineService.java
@@ -1,9 +1,9 @@
 package dev.struchkov.bot.gitlab.context.service;
 
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.PipelineStatus;
 import dev.struchkov.bot.gitlab.context.domain.entity.Pipeline;
 import dev.struchkov.bot.gitlab.context.domain.filter.PipelineFilter;
-import dev.struchkov.haiti.context.domain.ExistsContainer;
 import lombok.NonNull;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
@@ -25,7 +25,7 @@ public interface PipelineService {
 
     Page<Pipeline> getAll(@NonNull PipelineFilter filter, @NonNull Pageable pagination);
 
-    ExistsContainer<Pipeline, Long> existsById(@NonNull Set<Long> pipelineIds);
+    ExistContainer<Pipeline, Long> existsById(@NonNull Set<Long> pipelineIds);
 
     void deleteAllById(Set<Long> pipelineIds);
 
diff --git a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/ProjectService.java b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/ProjectService.java
index 8b23c4a..343e5c5 100644
--- a/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/ProjectService.java
+++ b/bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/ProjectService.java
@@ -1,6 +1,6 @@
 package dev.struchkov.bot.gitlab.context.service;
 
-import dev.struchkov.bot.gitlab.context.domain.ExistsContainer;
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.entity.Project;
 import lombok.NonNull;
 import org.springframework.data.domain.Page;
@@ -26,6 +26,6 @@ public interface ProjectService {
 
     boolean existsById(Long projectId);
 
-    ExistsContainer<Project, Long> existsById(Set<Long> projectIds);
+    ExistContainer<Project, Long> existsById(Set<Long> projectIds);
 
 }
diff --git a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/DiscussionServiceImpl.java b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/DiscussionServiceImpl.java
index 31d2084..863b50b 100644
--- a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/DiscussionServiceImpl.java
+++ b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/DiscussionServiceImpl.java
@@ -1,6 +1,6 @@
 package dev.struchkov.bot.gitlab.core.service.impl;
 
-import dev.struchkov.bot.gitlab.context.domain.ExistsContainer;
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.PersonInformation;
 import dev.struchkov.bot.gitlab.context.domain.entity.Discussion;
 import dev.struchkov.bot.gitlab.context.domain.entity.MergeRequest;
@@ -212,16 +212,16 @@ public class DiscussionServiceImpl implements DiscussionService {
     }
 
     @Override
-    public ExistsContainer<Discussion, String> existsById(@NonNull Set<String> discussionIds) {
+    public ExistContainer<Discussion, String> existsById(@NonNull Set<String> discussionIds) {
         final List<Discussion> existsEntity = repository.findAllById(discussionIds);
         final Set<String> existsIds = existsEntity.stream().map(Discussion::getId).collect(Collectors.toSet());
         if (existsIds.containsAll(discussionIds)) {
-            return dev.struchkov.bot.gitlab.context.domain.ExistsContainer.allFind(existsEntity);
+            return ExistContainer.allFind(existsEntity);
         } else {
             final Set<String> noExistsId = discussionIds.stream()
                     .filter(id -> !existsIds.contains(id))
                     .collect(Collectors.toSet());
-            return ExistsContainer.notAllFind(existsEntity, noExistsId);
+            return ExistContainer.notAllFind(existsEntity, noExistsId);
         }
     }
 
diff --git a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/MergeRequestsServiceImpl.java b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/MergeRequestsServiceImpl.java
index 312fdda..e39ed38 100644
--- a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/MergeRequestsServiceImpl.java
+++ b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/MergeRequestsServiceImpl.java
@@ -1,6 +1,6 @@
 package dev.struchkov.bot.gitlab.core.service.impl;
 
-import dev.struchkov.bot.gitlab.context.domain.ExistsContainer;
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.IdAndStatusPr;
 import dev.struchkov.bot.gitlab.context.domain.MergeRequestState;
 import dev.struchkov.bot.gitlab.context.domain.PersonInformation;
@@ -184,16 +184,16 @@ public class MergeRequestsServiceImpl implements MergeRequestsService {
     }
 
     @Override
-    public ExistsContainer<MergeRequest, Long> existsById(@NonNull Set<Long> mergeRequestIds) {
+    public ExistContainer<MergeRequest, Long> existsById(@NonNull Set<Long> mergeRequestIds) {
         final List<MergeRequest> existsEntity = repository.findAllById(mergeRequestIds);
         final Set<Long> existsIds = existsEntity.stream().map(MergeRequest::getId).collect(Collectors.toSet());
         if (existsIds.containsAll(mergeRequestIds)) {
-            return ExistsContainer.allFind(existsEntity);
+            return ExistContainer.allFind(existsEntity);
         } else {
             final Set<Long> noExistsId = mergeRequestIds.stream()
                     .filter(id -> !existsIds.contains(id))
                     .collect(Collectors.toSet());
-            return ExistsContainer.notAllFind(existsEntity, noExistsId);
+            return ExistContainer.notAllFind(existsEntity, noExistsId);
         }
     }
 
diff --git a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/PersonServiceImpl.java b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/PersonServiceImpl.java
index 0d8632a..15fc01c 100644
--- a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/PersonServiceImpl.java
+++ b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/PersonServiceImpl.java
@@ -1,6 +1,6 @@
 package dev.struchkov.bot.gitlab.core.service.impl;
 
-import dev.struchkov.bot.gitlab.context.domain.ExistsContainer;
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.entity.Person;
 import dev.struchkov.bot.gitlab.context.repository.PersonRepository;
 import dev.struchkov.bot.gitlab.context.service.PersonService;
@@ -40,16 +40,16 @@ public class PersonServiceImpl implements PersonService {
     }
 
     @Override
-    public ExistsContainer<Person, Long> existsById(Set<Long> personIds) {
+    public ExistContainer<Person, Long> existsById(Set<Long> personIds) {
         final List<Person> existsEntity = repository.findAllById(personIds);
         final Set<Long> existsIds = existsEntity.stream().map(Person::getId).collect(Collectors.toSet());
         if (existsIds.containsAll(personIds)) {
-            return ExistsContainer.allFind(existsEntity);
+            return ExistContainer.allFind(existsEntity);
         } else {
             final Set<Long> noExistsId = personIds.stream()
                     .filter(id -> !existsIds.contains(id))
                     .collect(Collectors.toSet());
-            return ExistsContainer.notAllFind(existsEntity, noExistsId);
+            return ExistContainer.notAllFind(existsEntity, noExistsId);
         }
     }
 
diff --git a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/PipelineServiceImpl.java b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/PipelineServiceImpl.java
index 3d145fa..623ba15 100644
--- a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/PipelineServiceImpl.java
+++ b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/PipelineServiceImpl.java
@@ -1,5 +1,6 @@
 package dev.struchkov.bot.gitlab.core.service.impl;
 
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.PersonInformation;
 import dev.struchkov.bot.gitlab.context.domain.PipelineStatus;
 import dev.struchkov.bot.gitlab.context.domain.entity.Person;
@@ -8,15 +9,14 @@ import dev.struchkov.bot.gitlab.context.domain.filter.PipelineFilter;
 import dev.struchkov.bot.gitlab.context.domain.notify.pipeline.PipelineNotify;
 import dev.struchkov.bot.gitlab.context.repository.PipelineRepository;
 import dev.struchkov.bot.gitlab.context.service.NotifyService;
-import dev.struchkov.bot.gitlab.context.service.PersonService;
 import dev.struchkov.bot.gitlab.context.service.PipelineService;
 import dev.struchkov.bot.gitlab.core.service.impl.filter.PipelineFilterService;
-import dev.struchkov.haiti.context.domain.ExistsContainer;
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 import java.util.Set;
@@ -27,6 +27,7 @@ import static dev.struchkov.bot.gitlab.context.domain.PipelineStatus.FAILED;
 import static dev.struchkov.bot.gitlab.context.domain.PipelineStatus.SKIPPED;
 import static dev.struchkov.bot.gitlab.context.domain.PipelineStatus.SUCCESS;
 import static dev.struchkov.haiti.context.exception.NotFoundException.notFoundException;
+import static dev.struchkov.haiti.utils.Checker.checkNotNull;
 
 /**
  * Реализация сервиса для работы с пайплайнами.
@@ -42,14 +43,13 @@ public class PipelineServiceImpl implements PipelineService {
 
     private final NotifyService notifyService;
     private final PipelineRepository repository;
-    private final PersonService personService;
     private final PipelineFilterService pipelineFilterService;
 
     private final PersonInformation personInformation;
 
     @Override
+    @Transactional
     public Pipeline create(@NonNull Pipeline pipeline) {
-        personService.create(pipeline.getPerson());
         final Pipeline newPipeline = repository.save(pipeline);
         notifyNewPipeline(pipeline, "n/a");
         return newPipeline;
@@ -87,7 +87,7 @@ public class PipelineServiceImpl implements PipelineService {
     private boolean isNeedNotifyNewPipeline(@NonNull Pipeline pipeline) {
         final Person personPipelineCreator = pipeline.getPerson();
         return notificationStatus.contains(pipeline.getStatus()) // Пайплайн имеет статус необходимый для уведомления
-                && personPipelineCreator != null
+                && checkNotNull(personPipelineCreator) // Создатель пайплайна не null
                 && personInformation.getId().equals(personPipelineCreator.getId()); // Пользователь приложения является инициатором пайплайна
     }
 
@@ -102,16 +102,16 @@ public class PipelineServiceImpl implements PipelineService {
     }
 
     @Override
-    public ExistsContainer<Pipeline, Long> existsById(@NonNull Set<Long> pipelineIds) {
+    public ExistContainer<Pipeline, Long> existsById(@NonNull Set<Long> pipelineIds) {
         final List<Pipeline> existsEntity = repository.findAllById(pipelineIds);
         final Set<Long> existsIds = existsEntity.stream().map(Pipeline::getId).collect(Collectors.toSet());
         if (existsIds.containsAll(pipelineIds)) {
-            return ExistsContainer.allFind(existsEntity);
+            return ExistContainer.allFind(existsEntity);
         } else {
             final Set<Long> noExistsId = pipelineIds.stream()
                     .filter(id -> !existsIds.contains(id))
                     .collect(Collectors.toSet());
-            return ExistsContainer.notAllFind(existsEntity, noExistsId);
+            return ExistContainer.notAllFind(existsEntity, noExistsId);
         }
     }
 
diff --git a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/ProjectServiceImpl.java b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/ProjectServiceImpl.java
index cedd686..bdad5f4 100644
--- a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/ProjectServiceImpl.java
+++ b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/ProjectServiceImpl.java
@@ -1,6 +1,6 @@
 package dev.struchkov.bot.gitlab.core.service.impl;
 
-import dev.struchkov.bot.gitlab.context.domain.ExistsContainer;
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.PersonInformation;
 import dev.struchkov.bot.gitlab.context.domain.entity.Project;
 import dev.struchkov.bot.gitlab.context.domain.notify.NewProjectNotify;
@@ -78,16 +78,16 @@ public class ProjectServiceImpl implements ProjectService {
     }
 
     @Override
-    public ExistsContainer<Project, Long> existsById(Set<Long> projectIds) {
+    public ExistContainer<Project, Long> existsById(Set<Long> projectIds) {
         final List<Project> existsEntity = repository.findAllById(projectIds);
         final Set<Long> existsIds = existsEntity.stream().map(Project::getId).collect(Collectors.toSet());
         if (existsIds.containsAll(projectIds)) {
-            return ExistsContainer.allFind(existsEntity);
+            return ExistContainer.allFind(existsEntity);
         } else {
             final Set<Long> noExistsId = projectIds.stream()
                     .filter(id -> !existsIds.contains(id))
                     .collect(Collectors.toSet());
-            return ExistsContainer.notAllFind(existsEntity, noExistsId);
+            return ExistContainer.notAllFind(existsEntity, noExistsId);
         }
     }
 
diff --git a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/DiscussionParser.java b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/DiscussionParser.java
index b0b770e..346f36d 100644
--- a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/DiscussionParser.java
+++ b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/DiscussionParser.java
@@ -1,6 +1,6 @@
 package dev.struchkov.bot.gitlab.core.service.parser;
 
-import dev.struchkov.bot.gitlab.context.domain.ExistsContainer;
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.entity.Discussion;
 import dev.struchkov.bot.gitlab.context.domain.entity.MergeRequest;
 import dev.struchkov.bot.gitlab.context.domain.entity.Note;
@@ -75,10 +75,10 @@ public class DiscussionParser {
                 .map(DiscussionJson::getId)
                 .collect(Collectors.toUnmodifiableSet());
 
-        final ExistsContainer<Discussion, String> existsContainer = discussionService.existsById(discussionIds);
-        if (!existsContainer.isAllFound()) {
+        final ExistContainer<Discussion, String> existContainer = discussionService.existsById(discussionIds);
+        if (!existContainer.isAllFound()) {
             final List<Discussion> newDiscussions = discussionJson.stream()
-                    .filter(json -> existsContainer.getIdNoFound().contains(json.getId()))
+                    .filter(json -> existContainer.getIdNoFound().contains(json.getId()))
                     .map(json -> {
                         final Discussion discussion = conversionService.convert(json, Discussion.class);
                         discussion.setMergeRequest(mergeRequest);
diff --git a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/MergeRequestParser.java b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/MergeRequestParser.java
index 31a9aa4..61d171e 100644
--- a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/MergeRequestParser.java
+++ b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/MergeRequestParser.java
@@ -1,6 +1,6 @@
 package dev.struchkov.bot.gitlab.core.service.parser;
 
-import dev.struchkov.bot.gitlab.context.domain.ExistsContainer;
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.IdAndStatusPr;
 import dev.struchkov.bot.gitlab.context.domain.MergeRequestState;
 import dev.struchkov.bot.gitlab.context.domain.entity.MergeRequest;
@@ -96,10 +96,10 @@ public class MergeRequestParser {
                     .map(MergeRequestJson::getId)
                     .collect(Collectors.toSet());
 
-            final ExistsContainer<MergeRequest, Long> existsContainer = mergeRequestsService.existsById(jsonIds);
-            if (!existsContainer.isAllFound()) {
+            final ExistContainer<MergeRequest, Long> existContainer = mergeRequestsService.existsById(jsonIds);
+            if (!existContainer.isAllFound()) {
                 final List<MergeRequest> newMergeRequests = mergeRequestJsons.stream()
-                        .filter(json -> existsContainer.getIdNoFound().contains(json.getId()))
+                        .filter(json -> existContainer.getIdNoFound().contains(json.getId()))
                         .map(json -> {
                             final MergeRequest mergeRequest = conversionService.convert(json, MergeRequest.class);
                             parsingCommits(mergeRequest);
diff --git a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/PipelineParser.java b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/PipelineParser.java
index b195199..08d2b14 100644
--- a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/PipelineParser.java
+++ b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/PipelineParser.java
@@ -1,5 +1,6 @@
 package dev.struchkov.bot.gitlab.core.service.parser;
 
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.PipelineStatus;
 import dev.struchkov.bot.gitlab.context.domain.entity.Pipeline;
 import dev.struchkov.bot.gitlab.context.domain.entity.Project;
@@ -9,7 +10,6 @@ import dev.struchkov.bot.gitlab.core.config.properties.GitlabProperty;
 import dev.struchkov.bot.gitlab.core.config.properties.PersonProperty;
 import dev.struchkov.bot.gitlab.core.utils.StringUtils;
 import dev.struchkov.bot.gitlab.sdk.domain.PipelineJson;
-import dev.struchkov.haiti.context.domain.ExistsContainer;
 import dev.struchkov.haiti.utils.network.HttpParse;
 import lombok.RequiredArgsConstructor;
 import org.springframework.core.convert.ConversionService;
@@ -19,7 +19,6 @@ import org.springframework.stereotype.Service;
 
 import java.text.MessageFormat;
 import java.time.LocalDateTime;
-import java.util.Collection;
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -31,6 +30,7 @@ import static dev.struchkov.bot.gitlab.context.domain.PipelineStatus.PREPARING;
 import static dev.struchkov.bot.gitlab.context.domain.PipelineStatus.RUNNING;
 import static dev.struchkov.bot.gitlab.context.domain.PipelineStatus.WAITING_FOR_RESOURCE;
 import static dev.struchkov.haiti.context.exception.ConvertException.convertException;
+import static dev.struchkov.haiti.utils.Checker.checkNotEmpty;
 import static dev.struchkov.haiti.utils.network.HttpParse.ACCEPT;
 
 /**
@@ -75,17 +75,17 @@ public class PipelineParser {
         LocalDateTime newLastUpdate = LocalDateTime.now();
         List<PipelineJson> pipelineJsons = getPipelineJsons(project.getId(), page, lastUpdate);
 
-        while (!pipelineJsons.isEmpty()) {
+        while (checkNotEmpty(pipelineJsons)) {
 
             final Set<Long> jsonIds = pipelineJsons.stream()
                     .map(PipelineJson::getId)
                     .collect(Collectors.toSet());
 
-            final ExistsContainer<Pipeline, Long> existsContainer = pipelineService.existsById(jsonIds);
+            final ExistContainer<Pipeline, Long> existContainer = pipelineService.existsById(jsonIds);
 
-            if (!existsContainer.isAllFound()) {
+            if (!existContainer.isAllFound()) {
 
-                final Collection<Long> idsNotFound = existsContainer.getIdNoFound();
+                final Set<Long> idsNotFound = existContainer.getIdNoFound();
 
                 for (Long newId : idsNotFound) {
                     final Pipeline newPipeline = HttpParse.request(
diff --git a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/ProjectParser.java b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/ProjectParser.java
index 6ff3738..25342f6 100644
--- a/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/ProjectParser.java
+++ b/bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/parser/ProjectParser.java
@@ -1,6 +1,6 @@
 package dev.struchkov.bot.gitlab.core.service.parser;
 
-import dev.struchkov.bot.gitlab.context.domain.ExistsContainer;
+import dev.struchkov.bot.gitlab.context.domain.ExistContainer;
 import dev.struchkov.bot.gitlab.context.domain.entity.Person;
 import dev.struchkov.bot.gitlab.context.domain.entity.Project;
 import dev.struchkov.bot.gitlab.context.service.PersonService;
@@ -69,9 +69,9 @@ public class ProjectParser {
 
             createNewPersons(projectJsons);
 
-            final ExistsContainer<Project, Long> existsContainer = projectService.existsById(projectIds);
+            final ExistContainer<Project, Long> existContainer = projectService.existsById(projectIds);
             final List<Project> newProjects = projectJsons.stream()
-                    .filter(json -> existsContainer.getIdNoFound().contains(json.getId()))
+                    .filter(json -> existContainer.getIdNoFound().contains(json.getId()))
                     .map(json -> conversionService.convert(json, Project.class))
                     .toList();
 
@@ -102,10 +102,10 @@ public class ProjectParser {
                 .map(ProjectJson::getCreatorId)
                 .collect(Collectors.toSet());
 
-        final ExistsContainer<Person, Long> existsContainer = personService.existsById(personCreatorId);
+        final ExistContainer<Person, Long> existContainer = personService.existsById(personCreatorId);
 
-        if (!existsContainer.isAllFound()) {
-            final Collection<Long> notFoundId = existsContainer.getIdNoFound();
+        if (!existContainer.isAllFound()) {
+            final Collection<Long> notFoundId = existContainer.getIdNoFound();
 
             final List<Person> newPersons = notFoundId.stream()
                     .map(