Improve error reporting during the service import

Signed-off-by: Vasyl Razinkov <vasyl.razinkov@est.tech>
Change-Id: I407d18e3b1c0757efb4623d73b21d98cbb76310a
Issue-ID: SDC-4623

2 files changed, 87 insertions, 95 deletions

diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/csar/CsarArtifactsAndGroupsBusinessLogic.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/csar/CsarArtifactsAndGroupsBusinessLogic.java
index 448077b6b5..93a55aebc8 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/csar/CsarArtifactsAndGroupsBusinessLogic.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/csar/CsarArtifactsAndGroupsBusinessLogic.java
@@ -474,20 +474,22 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
             jsonElement = gson.fromJson(artifactsMetaFile, jsonElement.getClass());
             JsonElement importStructureElement = jsonElement.get(Constants.IMPORT_STRUCTURE);
             if (importStructureElement == null || importStructureElement.isJsonNull()) {
-                log.debug(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName);
+                log.error(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName);
                 BeEcompErrorManager.getInstance()
                     .logInternalDataError(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME + artifactFileName, ARTIFACT_INTERNALS_ARE_INVALID,
                         ErrorSeverity.ERROR);
-                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, artifactFileName));
+                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, artifactFileName,
+                    ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName));
             }
             Map<String, List<Map<String, Object>>> artifactTemplateMap;
             artifactTemplateMap = ComponentsUtils.parseJsonToObject(importStructureElement.toString(), HashMap.class);
             if (artifactTemplateMap.isEmpty()) {
-                log.debug(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName);
+                log.error(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName);
                 BeEcompErrorManager.getInstance()
                     .logInternalDataError(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME + artifactFileName, ARTIFACT_INTERNALS_ARE_INVALID,
                         ErrorSeverity.ERROR);
-                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, artifactFileName));
+                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, artifactFileName,
+                    ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName));
             }
             Set<String> artifactsTypeKeys = artifactTemplateMap.keySet();
             Map<String, List<ArtifactTemplateInfo>> artifactsMap = new HashMap<>();
@@ -508,12 +510,13 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
             }
             return Either.left(artifactsMap);
         } catch (Exception e) {
-            log.debug(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName);
-            log.debug("failed with exception.", e);
+            log.error(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName);
+            log.error("failed with exception.", e);
             BeEcompErrorManager.getInstance()
                 .logInternalDataError(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME + artifactFileName, ARTIFACT_INTERNALS_ARE_INVALID,
                     ErrorSeverity.ERROR);
-            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, artifactFileName));
+            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, artifactFileName,
+                ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName));
         }
     }
 
@@ -524,7 +527,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
         List<Map<String, Object>> o = artifactTemplateMap.get(artifactsTypeKey);
         Either<List<ArtifactTemplateInfo>, ResponseFormat> artifactTemplateInfoListPairStatus = createArtifactTemplateInfoModule(artifactsTypeKey, o);
         if (artifactTemplateInfoListPairStatus.isRight()) {
-            log.debug(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName);
+            log.error(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName);
             BeEcompErrorManager.getInstance()
                 .logInternalDataError(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME + artifactFileName, ARTIFACT_INTERNALS_ARE_INVALID,
                     ErrorSeverity.ERROR);
@@ -532,11 +535,12 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
         }
         List<ArtifactTemplateInfo> artifactTemplateInfoList = artifactTemplateInfoListPairStatus.left().value();
         if (artifactTemplateInfoList == null) {
-            log.debug(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName);
+            log.error(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName);
             BeEcompErrorManager.getInstance()
                 .logInternalDataError(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME + artifactFileName, ARTIFACT_INTERNALS_ARE_INVALID,
                     ErrorSeverity.ERROR);
-            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, artifactFileName));
+            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, artifactFileName,
+                ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME, artifactFileName));
         }
         if (!artifactsTypeKey.equalsIgnoreCase(ArtifactTemplateInfo.CSAR_ARTIFACT)) {
             allGroups.addAll(artifactTemplateInfoList);
@@ -707,7 +711,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
         if (op.isPresent()) {
             res = op.get();
             if (!res.getArtifactType().equalsIgnoreCase(artifactTemplateInfo.getType())) {
-                log.debug(ARTIFACT_WITH_NAME_AND_TYPE_ALREADY_EXIST_WITH_TYPE, artifactFileName, artifactTemplateInfo.getType(),
+                log.error(ARTIFACT_WITH_NAME_AND_TYPE_ALREADY_EXIST_WITH_TYPE, artifactFileName, artifactTemplateInfo.getType(),
                     res.getArtifactType());
                 BeEcompErrorManager.getInstance()
                     .logInternalDataError(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME + artifactFileName, ARTIFACT_INTERNALS_ARE_INVALID,
@@ -784,7 +788,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
                 Either<ArtifactDefinition, StorageOperationStatus> updateArtifactOnResource = artifactToscaOperation
                     .updateArtifactOnResource(artifactInfoHeatEnv, updatedResource, artifactInfoHeatEnv.getUniqueId(), null, null, true);
                 if (updateArtifactOnResource.isRight()) {
-                    log.debug("Failed to update heat env on CSAR flow for component {} artifact {} label {}", updatedResource.getUniqueId(),
+                    log.error("Failed to update heat env on CSAR flow for component {} artifact {} label {}", updatedResource.getUniqueId(),
                         artifactInfoHeatEnv.getUniqueId(), artifactInfoHeatEnv.getArtifactLabel());
                     return Either.right(
                         componentsUtils.getResponseFormat(componentsUtils.convertFromStorageResponse(updateArtifactOnResource.right().value())));
@@ -804,7 +808,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
         Either<List<HeatParameterDefinition>, ResultStatusEnum> heatParameters = ImportUtils
             .getHeatParamsWithoutImplicitTypes(heatDecodedPayload, artifactType);
         if (heatParameters.isRight()) {
-            log.debug("File {} is not in expected key-value form in csar ", fileName);
+            log.error("File {} is not in expected key-value form in csar ", fileName);
             BeEcompErrorManager.getInstance()
                 .logInternalDataError("File " + fileName + " is not in expected key-value form in csar ", "CSAR internals are invalid",
                     ErrorSeverity.ERROR);
@@ -844,7 +848,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
             Either<ArtifactDefinition, StorageOperationStatus> updateArtifactOnResource = artifactToscaOperation
                 .updateArtifactOnResource(currentInfo, resource, currentInfo.getUniqueId(), null, null, true);
             if (updateArtifactOnResource.isRight()) {
-                log.debug("Failed to update heat parameters of heat on CSAR flow for component {} artifact {} label {}", resource.getUniqueId(),
+                log.error("Failed to update heat parameters of heat on CSAR flow for component {} artifact {} label {}", resource.getUniqueId(),
                     currentInfo.getUniqueId(), currentInfo.getArtifactLabel());
                 return Either
                     .right(componentsUtils.getResponseFormat(componentsUtils.convertFromStorageResponse(updateArtifactOnResource.right().value())));
@@ -865,11 +869,11 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
             result = artifactsBusinessLogic
                 .handleLoadedArtifact(component, user, operation, false, true, component.getComponentType(), artifactDefinitionFromJson);
         } catch (ComponentException e) {
-            log.debug(FAILED_UPLOAD_ARTIFACT_TO_COMPONENT, component.getComponentType(), component.getName());
+            log.error(FAILED_UPLOAD_ARTIFACT_TO_COMPONENT, component.getComponentType(), component.getName());
             return Either.right(componentsUtils.getResponseFormat(e));
         } catch (Exception e) {
             ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.GENERAL_ERROR);
-            log.debug("Exception occurred when createOrUpdateCsarArtifactFromJson, error is:{}", e.getMessage(), e);
+            log.error("Exception occurred when createOrUpdateCsarArtifactFromJson, error is:{}", e.getMessage(), e);
             return Either.right(responseFormat);
         }
         return Either.left(result);
@@ -1239,7 +1243,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
                     artifactUid = artifactFromResource.getUniqueId();
                     artifactUUID = artifactFromResource.getArtifactUUID();
                     if (!artifactFromResource.getArtifactType().equalsIgnoreCase(artifactTemplateInfo.getType())) {
-                        log.debug(ARTIFACT_WITH_NAME_AND_TYPE_ALREADY_EXIST_WITH_TYPE, artifactFileName, artifactTemplateInfo.getType(),
+                        log.error(ARTIFACT_WITH_NAME_AND_TYPE_ALREADY_EXIST_WITH_TYPE, artifactFileName, artifactTemplateInfo.getType(),
                             artifactFromResource.getArtifactType());
                         BeEcompErrorManager.getInstance().logInternalDataError(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME + artifactFileName,
                             ARTIFACT_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
@@ -1259,7 +1263,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
                     artifactUid = createdArtifact.getUniqueId();
                     artifactUUID = createdArtifact.getArtifactUUID();
                     if (!createdArtifact.getArtifactType().equalsIgnoreCase(artifactTemplateInfo.getType())) {
-                        log.debug(ARTIFACT_WITH_NAME_AND_TYPE_ALREADY_EXIST_WITH_TYPE, artifactFileName, artifactTemplateInfo.getType(),
+                        log.error(ARTIFACT_WITH_NAME_AND_TYPE_ALREADY_EXIST_WITH_TYPE, artifactFileName, artifactTemplateInfo.getType(),
                             createdArtifact.getArtifactType());
                         BeEcompErrorManager.getInstance().logInternalDataError(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME + artifactFileName,
                             ARTIFACT_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
@@ -1374,17 +1378,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
             List<ArtifactTemplateInfo> associatedArtifact = associateEntry.getValue();
             Set<String> arifactsUids = new HashSet<>();
             Set<String> arifactsUuids = new HashSet<>();
-            for (ArtifactTemplateInfo artifactTemplate : associatedArtifact) { // try
-
-                // to
-
-                // find
-
-                // artifact
-
-                // in
-
-                // resource
+            for (ArtifactTemplateInfo artifactTemplate : associatedArtifact) { // try to find artifact in resource
                 boolean isCreate = true;
                 for (ArtifactDefinition createdArtifact : createdDeploymentArtifactsAfterDelete) {
                     if (artifactTemplate.getFileName().equalsIgnoreCase(createdArtifact.getArtifactName())) {
@@ -1474,7 +1468,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
         for (ArtifactDefinition updatedArtifact : updatedArtifacts) {
             if (updatedArtifact.getArtifactName().equals(artifactFileName)) {
                 if (!updatedArtifact.getArtifactType().equalsIgnoreCase(artifactTemplateInfo.getType())) {
-                    log.debug("Artifact with name {} and type {} already updated with type  {}", artifactFileName, artifactTemplateInfo.getType(),
+                    log.error("Artifact with name {} and type {} already updated with type  {}", artifactFileName, artifactTemplateInfo.getType(),
                         updatedArtifact.getArtifactType());
                     BeEcompErrorManager.getInstance()
                         .logInternalDataError(ARTIFACT_FILE_IS_NOT_IN_EXPECTED_FORMAT_FILE_NAME + artifactFileName, ARTIFACT_INTERNALS_ARE_INVALID,
@@ -1507,7 +1501,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
         Either<ArtifactDefinition, ResponseFormat> updateEnvEither = updateHeatParamsFromCsar(resource, csarInfo, artifactTemplateInfo, currentInfo,
             true);
         if (updateEnvEither.isRight()) {
-            log.debug("failed to update parameters to artifact {}", artifactFileName);
+            log.error("failed to update parameters to artifact {}", artifactFileName);
             return Either.right(updateEnvEither.right().value());
         }
         artifactsBusinessLogic.updateGroupForHeat(previousInfo, updateEnvEither.left().value(), resource);
@@ -1529,7 +1523,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
                             .handleDelete(updatedResource.getUniqueId(), artifactId, csarInfo.getModifier(), updatedResource, shouldLock,
                                 inTransaction);
                         if (handleDelete.isRight()) {
-                            log.debug("Couldn't delete  artifact {}", artifactId);
+                            log.error("Couldn't delete  artifact {}", artifactId);
                             return Either.right(handleDelete.right().value());
                         }
                     }
@@ -1574,7 +1568,7 @@ public class CsarArtifactsAndGroupsBusinessLogic extends BaseBusinessLogic {
                     Either<ArtifactDefinition, ResponseFormat> handleDelete = artifactsBusinessLogic
                         .handleDelete(resource.getUniqueId(), artifactId, csarInfo.getModifier(), resource, shouldLock, inTransaction);
                     if (handleDelete.isRight()) {
-                        log.debug("Couldn't delete  artifact {}", artifactId);
+                        log.error("Couldn't delete  artifact {}", artifactId);
                         return Either.right(handleDelete.right().value());
                     }
                 }
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/CsarValidationUtils.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/CsarValidationUtils.java
index 1f7d9493d4..539b6b8536 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/CsarValidationUtils.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/CsarValidationUtils.java
@@ -50,9 +50,9 @@ public class CsarValidationUtils {
     private static final String CSAR_VERSION = "CSAR-Version";
     private static final String CREATED_BY = "Created-By";
     private static final String NEW_LINE_DELM = "\n";
-    public static final String TOSCA_METADATA = "TOSCA-Metadata";
-    public static final String TOSCA_FILE = "TOSCA.meta";
-    public static final String DEL_PATTERN = "([/\\\\]+)";
+    private static final String TOSCA_METADATA = "TOSCA-Metadata";
+    private static final String TOSCA_FILE = "TOSCA.meta";
+    private static final String DEL_PATTERN = "([/\\\\]+)";
     public static final String TOSCA_METADATA_PATH_PATTERN = TOSCA_METADATA +
         // Artifact Group (i.e Deployment/Informational)
         DEL_PATTERN + TOSCA_FILE;
@@ -86,13 +86,13 @@ public class CsarValidationUtils {
     public static Either<Boolean, ResponseFormat> validateCsar(Map<String, byte[]> csar, String csarUUID, ComponentsUtils componentsUtils) {
         Either<Boolean, ResponseFormat> validateStatus = validateIsTOSCAMetadataExist(csar, csarUUID, componentsUtils);
         if (validateStatus.isRight()) {
-            return Either.right(validateStatus.right().value());
+            return validateStatus;
         }
         removeNonUniqueArtifactsFromCsar(csar);
         log.trace("TOSCA-Metadata/TOSCA.meta file found, CSAR id {}", csarUUID);
         validateStatus = validateTOSCAMetadataFile(csar, csarUUID, componentsUtils);
         if (validateStatus.isRight()) {
-            return Either.right(validateStatus.right().value());
+            return validateStatus;
         }
         return Either.left(true);
     }
@@ -148,51 +148,50 @@ public class CsarValidationUtils {
         Pattern pattern = Pattern.compile(TOSCA_METADATA_PATH_PATTERN);
         Optional<String> keyOp = csar.keySet().stream().filter(k -> pattern.matcher(k).matches()).findAny();
         if (keyOp.isEmpty()) {
-            log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
+            log.error(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
             BeEcompErrorManager.getInstance()
-                    .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
-                            CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
-            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
+                .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
+                    CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
+            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID,
+                TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID));
         }
         Properties props = new Properties();
         try {
             props.load(new StringReader(new String(csar.get(keyOp.get())).replace("\\", "\\\\")));
         } catch (IOException e) {
-            log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID, e);
+            log.error(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID, e);
             BeEcompErrorManager.getInstance()
-                    .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
-                            CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
-            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
+                .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
+                    CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
+            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID,
+                TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID));
         }
         String yamlFileName = props.getProperty(TOSCA_META_ENTRY_DEFINITIONS);
-        String[] ops = yamlFileName.split(DEL_PATTERN);
-        List<String> list = Arrays.asList(ops);
-        String result = list.stream().map(x -> x).collect(Collectors.joining(DEL_PATTERN));
+        String result = Arrays.asList(yamlFileName.split(DEL_PATTERN)).stream().map(x -> x).collect(Collectors.joining(DEL_PATTERN));
         keyOp = csar.keySet().stream().filter(k -> Pattern.compile(result).matcher(k).matches()).findAny();
-        if (!keyOp.isPresent()) {
-            log.debug(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID, csarUUID);
+        if (keyOp.isEmpty()) {
+            log.error(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID, csarUUID);
             BeEcompErrorManager.getInstance()
-                    .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
-                            CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
+                .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
+                    CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
             return Either.right(componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, yamlFileName));
         }
         log.trace("Found Entry-Definitions property in TOSCA-Metadata/TOSCA.meta, Entry-Definitions: {}, CSAR id: {}", yamlFileName, csarUUID);
         byte[] yamlFileBytes = csar.get(yamlFileName);
         if (yamlFileBytes == null) {
-            log.debug("Entry-Definitions {} file not found in csar, csar ID {}", yamlFileName, csarUUID);
+            log.error("Entry-Definitions {} file not found in csar, csar ID {}", yamlFileName, csarUUID);
             BeEcompErrorManager.getInstance()
-                    .logInternalDataError(ENTRY_DEFINITIONS + yamlFileName + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID, CSAR_STRUCTURE_IS_INVALID,
-                            ErrorSeverity.ERROR);
+                .logInternalDataError(ENTRY_DEFINITIONS + yamlFileName + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID, CSAR_STRUCTURE_IS_INVALID,
+                    ErrorSeverity.ERROR);
             return Either.right(componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, yamlFileName));
         }
-        String yamlFileContents = new String(yamlFileBytes);
-        return Either.left(new ImmutablePair<>(yamlFileName, yamlFileContents));
+        return Either.left(new ImmutablePair<>(yamlFileName, new String(yamlFileBytes)));
     }
 
     public static Either<ImmutablePair<String, String>, ResponseFormat> getArtifactsMeta(Map<String, byte[]> csar, String csarUUID,
                                                                                          ComponentsUtils componentsUtils) {
         if (!csar.containsKey(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE)) {
-            log.debug(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID, csarUUID);
+            log.error(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID, csarUUID);
             BeEcompErrorManager.getInstance()
                 .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
@@ -202,22 +201,21 @@ public class CsarValidationUtils {
             csarUUID);
         byte[] artifactsMetaBytes = csar.get(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE);
         if (artifactsMetaBytes == null) {
-            log.debug("Entry-Definitions {}{} file not found in csar, csar ID {}", CsarUtils.ARTIFACTS_PATH, ARTIFACTS_METADATA_FILE, csarUUID);
+            log.error("Entry-Definitions {}{} file not found in csar, csar ID {}", CsarUtils.ARTIFACTS_PATH, ARTIFACTS_METADATA_FILE, csarUUID);
             BeEcompErrorManager.getInstance().logInternalDataError(
                 ENTRY_DEFINITIONS + CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID,
                 CSAR_STRUCTURE_IS_INVALID, ErrorSeverity.ERROR);
             return Either.right(
                 componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE));
         }
-        String artifactsFileContents = new String(artifactsMetaBytes);
-        return Either.left(new ImmutablePair<>(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE, artifactsFileContents));
+        return Either.left(new ImmutablePair<>(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE, new String(artifactsMetaBytes)));
     }
 
     public static Either<ImmutablePair<String, byte[]>, ResponseFormat> getArtifactContent(String csarUUID, Map<String, byte[]> csar,
                                                                                            String artifactPath, String artifactName,
                                                                                            ComponentsUtils componentsUtils) {
         if (!csar.containsKey(artifactPath)) {
-            log.debug("Entry-Definitions entry not found in Artifacts/HEAT.meta file, csar ID {}", csarUUID);
+            log.error("Entry-Definitions entry not found in Artifacts/HEAT.meta file, csar ID {}", csarUUID);
             BeEcompErrorManager.getInstance()
                 .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
@@ -227,7 +225,7 @@ public class CsarValidationUtils {
         log.trace("Found Entry-Definitions property in Artifacts/HEAT.meta, Entry-Definitions: {}, CSAR id: {}", artifactPath, csarUUID);
         byte[] artifactFileBytes = csar.get(artifactPath);
         if (artifactFileBytes == null) {
-            log.debug("Entry-Definitions {}{} file not found in csar, csar ID {}", CsarUtils.ARTIFACTS_PATH, artifactName, csarUUID);
+            log.error("Entry-Definitions {}{} file not found in csar, csar ID {}", CsarUtils.ARTIFACTS_PATH, artifactName, csarUUID);
             BeEcompErrorManager.getInstance()
                 .logInternalDataError(ENTRY_DEFINITIONS + artifactPath + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID, CSAR_STRUCTURE_IS_INVALID,
                     ErrorSeverity.ERROR);
@@ -240,26 +238,27 @@ public class CsarValidationUtils {
                                                                              ComponentsUtils componentsUtils) {
         Pattern pattern = Pattern.compile(TOSCA_METADATA_PATH_PATTERN);
         Optional<String> keyOp = csar.keySet().stream().filter(k -> pattern.matcher(k).matches()).findAny();
-        if (!keyOp.isPresent()) {
-            log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
+        if (keyOp.isEmpty()) {
+            log.error(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
             BeEcompErrorManager.getInstance()
                 .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
-            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
+            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID,
+                TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID));
         }
-        byte[] toscaMetaBytes = csar.get(keyOp.get());
-        String toscaMetadata = new String(toscaMetaBytes);
+        String toscaMetadata = new String(csar.get(keyOp.get()));
         String[] splited = toscaMetadata.split(NEW_LINE_DELM);
         if (splited == null || splited.length < TOSCA_METADATA_FIELDS.length) {
-            log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
+            log.error(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
             BeEcompErrorManager.getInstance()
                 .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
-            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
+            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID,
+                TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID));
         }
         Either<Boolean, ResponseFormat> blockStatus = validateBlock(csarUUID, splited, componentsUtils);
         if (blockStatus.isRight()) {
-            return Either.right(blockStatus.right().value());
+            return blockStatus;
         }
         return Either.left(true);
     }
@@ -271,36 +270,38 @@ public class CsarValidationUtils {
             try {
                 props.load(new ByteArrayInputStream(splited[index].getBytes()));
             } catch (IOException e) {
-                log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID, e);
+                log.error(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID, e);
                 BeEcompErrorManager.getInstance()
                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
-                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
+                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID,
+                    TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID));
             }
             if (!props.containsKey(toscaField)) {
-                log.debug("TOSCA.meta file format is invalid: No new line after block_0 as expected in csar, csar ID {}", csarUUID);
+                final String msg = "TOSCA.meta file format is invalid: No new line after block_0 as expected in csar, csar ID {}";
+                log.error(msg, csarUUID);
                 BeEcompErrorManager.getInstance()
                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
-                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
+                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID, msg, csarUUID));
             }
-            String value = props.getProperty(toscaField);
+            final String value = props.getProperty(toscaField);
             if (value == null || value.isEmpty()) {
-                log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
+                log.error(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
                 BeEcompErrorManager.getInstance()
                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
-                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
+                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID,
+                    TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID));
             }
-            // TOSCA-Meta-File-Version & CSAR-Version : digit.digit - format
-
-            // validation
+            // TOSCA-Meta-File-Version & CSAR-Version : digit.digit - format validation
             if ((toscaField.equals(TOSCA_META_FILE_VERSION) || toscaField.equals(CSAR_VERSION)) && !validateTOSCAMetaProperty(value)) {
-                log.debug("TOSCA-Metadata/TOSCA.meta file contains {} in wrong format (digit.digit), csar ID {}", toscaField, csarUUID);
+                final String msg = "TOSCA-Metadata/TOSCA.meta file contains {} in wrong format (digit.digit), csar ID {}";
+                log.error(msg, toscaField, csarUUID);
                 BeEcompErrorManager.getInstance()
                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
-                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
+                return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID, msg, toscaField, csarUUID));
             }
             index++;
         }
@@ -308,22 +309,20 @@ public class CsarValidationUtils {
     }
 
     private static boolean validateTOSCAMetaProperty(String toscaProperty) {
-        Matcher floatMatcher = floatPattern.matcher(toscaProperty);
-        return floatMatcher.matches();
+        return floatPattern.matcher(toscaProperty).matches();
     }
 
     private static Either<Boolean, ResponseFormat> validateIsTOSCAMetadataExist(Map<String, byte[]> csar, String csarUUID,
                                                                                 ComponentsUtils componentsUtils) {
         if (csar == null || csar.isEmpty()) {
-            log.debug("Error when fetching csar with ID {}", csarUUID);
+            log.error("Error when fetching csar with ID {}", csarUUID);
             BeEcompErrorManager.getInstance().logBeDaoSystemError("Creating resource from CSAR: fetching CSAR with id " + csarUUID + " failed");
-            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID, csarUUID);
-            return Either.right(responseFormat);
+            return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID, csarUUID));
         }
         Pattern pattern = Pattern.compile(TOSCA_METADATA_PATH_PATTERN);
         Optional<String> keyOp = csar.keySet().stream().filter(k -> pattern.matcher(k).matches()).findAny();
-        if (!keyOp.isPresent()) {
-            log.debug("TOSCA-Metadata/TOSCA.meta file not found in csar, csar ID {}", csarUUID);
+        if (keyOp.isEmpty()) {
+            log.error("TOSCA-Metadata/TOSCA.meta file not found in csar, csar ID {}", csarUUID);
             BeEcompErrorManager.getInstance()
                 .logInternalDataError("TOSCA-Metadata/TOSCA.meta file not found in CSAR with id " + csarUUID, CSAR_STRUCTURE_IS_INVALID,
                     ErrorSeverity.ERROR);
@@ -331,7 +330,7 @@ public class CsarValidationUtils {
         }
         byte[] toscaMetaBytes = csar.get(keyOp.get());
         if (toscaMetaBytes == null || toscaMetaBytes.length == 0) {
-            log.debug("TOSCA-Metadata/TOSCA.meta file not found in csar, csar ID {}", csarUUID);
+            log.error("TOSCA-Metadata/TOSCA.meta file not found in csar, csar ID {}", csarUUID);
             BeEcompErrorManager.getInstance()
                 .logInternalDataError("TOSCA-Metadata/TOSCA.meta file not found in CSAR with id " + csarUUID, CSAR_STRUCTURE_IS_INVALID,
                     ErrorSeverity.ERROR);
@@ -343,11 +342,10 @@ public class CsarValidationUtils {
     public static Either<String, ResponseFormat> getToscaYamlChecksum(Map<String, byte[]> csar, String csarUUID, ComponentsUtils componentsUtils) {
         Either<ImmutablePair<String, String>, ResponseFormat> toscaYamlRes = getToscaYaml(csar, csarUUID, componentsUtils, AuditingActionEnum.GET_TOSCA_MODEL);
         if (toscaYamlRes.isRight() || toscaYamlRes.left().value() == null || toscaYamlRes.left().value().getRight() == null) {
-            log.debug("Faild to create toscaYamlChecksum for csar, csar ID {}", csarUUID);
+            log.error("Faild to create toscaYamlChecksum for csar, csar ID {}", csarUUID);
             return Either.right(toscaYamlRes.right().value());
         }
-        String newCheckSum = GeneralUtility.calculateMD5Base64EncodedByByteArray(toscaYamlRes.left().value().getRight().getBytes());
-        return Either.left(newCheckSum);
+        return Either.left(GeneralUtility.calculateMD5Base64EncodedByByteArray(toscaYamlRes.left().value().getRight().getBytes()));
     }
 
     public static boolean isCsarPayloadName(String payloadName) {