How To Solve Issues Related to Log – Error loading the template for the notification message index

How To Solve Issues Related to Log – Error loading the template for the notification message index

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Error loading the template for the notification message index” it’s important to understand a few problems related to Elasticsearch concepts index, plugin, template. See bellow important tips and explanations on these concepts

Log Context

Log”Error loading the template for the notification message index” classname is MachineLearning.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                                 .put(IndexMetaData.SETTING_AUTO_EXPAND_REPLICAS; "0-1")
                                .put(UnassignedInfo.INDEX_DELAYED_NODE_LEFT_TIMEOUT_SETTING.getKey(); delayedNodeTimeOutSetting))
                        .build();
                templates.put(AuditorField.NOTIFICATIONS_INDEX; notificationMessageTemplate);
            } catch (IOException e) {
                logger.warn("Error loading the template for the notification message index"; e);
            }

            try (XContentBuilder docMapping = MlMetaIndex.docMapping()) {
                IndexTemplateMetaData metaTemplate = IndexTemplateMetaData.builder(MlMetaIndex.INDEX_NAME)
                        .patterns(Collections.singletonList(MlMetaIndex.INDEX_NAME))




Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Elasticsearch: No handler for type [keyword] declared on field [hostname] 20.06 K 13

Error In Winlogbeat Logs  

Github Issue Number 12366

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