{"id":5839,"date":"2024-10-31T12:06:28","date_gmt":"2024-10-31T20:06:28","guid":{"rendered":"https:\/\/jetstreamsoft.com\/portal\/?post_type=ht_kb&#038;p=5839"},"modified":"2024-11-21T14:46:26","modified_gmt":"2024-11-21T22:46:26","slug":"domain-notification-host-connection-error","status":"publish","type":"ht_kb","link":"https:\/\/jetstreamsoft.com\/portal\/jetstream-knowledge-base\/domain-notification-host-connection-error\/","title":{"rendered":"Domain Notification Host Connection Error"},"content":{"rendered":"\n<p class=\"is-style-info wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon\">This article applies to all JSDR software versions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Problem<\/h2>\n\n\n\n<p class=\"\">The <em>Health View<\/em> utility may report the current state of multiple protected domains as: \u201c<em>DOMAIN_NOTIFICATION_HOST_CONNECTION_ERROR<\/em>\u201d.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cause<\/h2>\n\n\n\n<p class=\"\">This issue can be caused due to the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\">The DRVA is powered down or not in a \u201chealthy\u201d state.<\/li>\n\n\n\n<li class=\"\">The MSA is unable to correctly retrieve the current status of the protected domains.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"\">To resolve this issue:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li class=\"\">Verify the DRVA is powered on and its services are up and running.<br><br><\/li>\n\n\n\n<li class=\"\"><a href=\"https:\/\/jetstreamsoft.com\/portal\/jetstream-knowledge-base\/vme2-restart-command-on-msa-2\/\">Restart the vme2<\/a> service from the MSA CLI. This will restart the PostgreSQL and Tomcat8 services used by JetStream DR.\n<ul class=\"wp-block-list\">\n<li class=\"\">After issuing the command, wait 10 to 15 minutes then confirm its status by viewing a current <em>Health View<\/em> report.<br><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"is-style-info wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon\"><strong>Restarting Tomcat Services (only)<\/strong><br>From JetStream DR software version 4.3 and beyond it is possible to manually restart the Tomcat service only. Use the following command to restart Tomcat: <kbd><strong>#service msa-tomcat restart<\/strong><\/kbd>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Problem The Health View utility may report the current state of multiple protected domains as: \u201cDOMAIN_NOTIFICATION_HOST_CONNECTION_ERROR\u201d. Cause This issue can be caused due to the following: Solution To resolve this issue:<\/p>\n","protected":false},"author":1,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"ht-kb-category":[92],"ht-kb-tag":[206],"class_list":["post-5839","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-troubleshooting","ht_kb_tag-drva-appliance"],"_links":{"self":[{"href":"https:\/\/jetstreamsoft.com\/portal\/wp-json\/wp\/v2\/ht-kb\/5839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jetstreamsoft.com\/portal\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/jetstreamsoft.com\/portal\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/jetstreamsoft.com\/portal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jetstreamsoft.com\/portal\/wp-json\/wp\/v2\/comments?post=5839"}],"version-history":[{"count":4,"href":"https:\/\/jetstreamsoft.com\/portal\/wp-json\/wp\/v2\/ht-kb\/5839\/revisions"}],"predecessor-version":[{"id":6051,"href":"https:\/\/jetstreamsoft.com\/portal\/wp-json\/wp\/v2\/ht-kb\/5839\/revisions\/6051"}],"wp:attachment":[{"href":"https:\/\/jetstreamsoft.com\/portal\/wp-json\/wp\/v2\/media?parent=5839"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/jetstreamsoft.com\/portal\/wp-json\/wp\/v2\/ht-kb-category?post=5839"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/jetstreamsoft.com\/portal\/wp-json\/wp\/v2\/ht-kb-tag?post=5839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}