https://community.qlik.com/t5/Talend-Cloud/Talend-Remote-Engine-Heartbeat-lost/m-p/2531701#M500 <P>Hi everybody,</P><P>I have two remote engines both running on Windows Server 2019 and both running&nbsp;Talend remote engine release: 2.12.14</P><P>Just for one of those engines I facing the following issue:</P><P>- It appears as unavailable in TMC.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LDR_2-1758707526096.png" style="width: 400px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/183827i604990DD54E7DDE2/image-size/medium?v=v2&amp;px=400" role="button" title="LDR_2-1758707526096.png" alt="LDR_2-1758707526096.png" /></span></P><P>&nbsp;</P><P>- I have checked Karaf.log file and I found that:</P><P>2025-09-24T09:39:41,359 | WARN | ActiveMQ Transport: HTTP Reader <A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A> | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Transport (<A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A>) failed, attempting to automatically reconnect (Failed to perform GET on: <A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A> Reason: null)<BR />2025-09-24T09:39:41,359 | DEBUG | ActiveMQ Task-5630 | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | urlList connectionList:[<A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A>], from: []<BR />2025-09-24T09:39:41,359 | DEBUG | ActiveMQ Task-5630 | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Waiting 10 ms before attempting connection<BR />2025-09-24T09:39:41,375 | DEBUG | ActiveMQ Task-5630 | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Attempting 0th connect to: <A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A><BR />2025-09-24T09:39:41,547 | INFO | ActiveMQ Task-5630 | HttpClientTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Broker Servlet supports GZip compression.<BR />2025-09-24T09:39:41,593 | DEBUG | ActiveMQ Task-5630 | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Connection established<BR />2025-09-24T09:39:41,593 | INFO | ActiveMQ Task-5630 | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Successfully reconnected to <A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A></P><P>&nbsp;</P><P>I have run several tests in both servers just to compare that everything is fine:</P><P>- Comparation of installed Microsoft KBs. Everything is equal.</P><P>- I have run the following commands obtaining the same results in both engines:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LDR_0-1758706191006.png" style="width: 400px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/183824i77936228B36B9EB0/image-size/medium?v=v2&amp;px=400" role="button" title="LDR_0-1758706191006.png" alt="LDR_0-1758706191006.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LDR_1-1758706372240.png" style="width: 400px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/183826i2F07A073493BBFCD/image-size/medium?v=v2&amp;px=400" role="button" title="LDR_1-1758706372240.png" alt="LDR_1-1758706372240.png" /></span></P><P>&nbsp;</P><P>So, I don't find any reason because one server can't send the hearbeat and the other can.</P><P>If you can suggest me further steps to analyse and find the root cause, it would be awesome.</P><P>Thanks in advance</P> Wed, 24 Sep 2025 09:53:11 GMT LDR 2025-09-24T09:53:11Z https://community.qlik.com/t5/Talend-Cloud/Talend-Remote-Engine-Heartbeat-lost/m-p/2531701#M500 <P>Hi everybody,</P><P>I have two remote engines both running on Windows Server 2019 and both running&nbsp;Talend remote engine release: 2.12.14</P><P>Just for one of those engines I facing the following issue:</P><P>- It appears as unavailable in TMC.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LDR_2-1758707526096.png" style="width: 400px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/183827i604990DD54E7DDE2/image-size/medium?v=v2&amp;px=400" role="button" title="LDR_2-1758707526096.png" alt="LDR_2-1758707526096.png" /></span></P><P>&nbsp;</P><P>- I have checked Karaf.log file and I found that:</P><P>2025-09-24T09:39:41,359 | WARN | ActiveMQ Transport: HTTP Reader <A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A> | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Transport (<A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A>) failed, attempting to automatically reconnect (Failed to perform GET on: <A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A> Reason: null)<BR />2025-09-24T09:39:41,359 | DEBUG | ActiveMQ Task-5630 | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | urlList connectionList:[<A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A>], from: []<BR />2025-09-24T09:39:41,359 | DEBUG | ActiveMQ Task-5630 | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Waiting 10 ms before attempting connection<BR />2025-09-24T09:39:41,375 | DEBUG | ActiveMQ Task-5630 | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Attempting 0th connect to: <A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A><BR />2025-09-24T09:39:41,547 | INFO | ActiveMQ Task-5630 | HttpClientTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Broker Servlet supports GZip compression.<BR />2025-09-24T09:39:41,593 | DEBUG | ActiveMQ Task-5630 | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Connection established<BR />2025-09-24T09:39:41,593 | INFO | ActiveMQ Task-5630 | FailoverTransport | 120 - org.apache.activemq.activemq-osgi - 5.16.6 | | Successfully reconnected to <A href="https://msg.eu.cloud.talend.com:443" target="_blank">https://msg.eu.cloud.talend.com:443</A></P><P>&nbsp;</P><P>I have run several tests in both servers just to compare that everything is fine:</P><P>- Comparation of installed Microsoft KBs. Everything is equal.</P><P>- I have run the following commands obtaining the same results in both engines:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LDR_0-1758706191006.png" style="width: 400px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/183824i77936228B36B9EB0/image-size/medium?v=v2&amp;px=400" role="button" title="LDR_0-1758706191006.png" alt="LDR_0-1758706191006.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LDR_1-1758706372240.png" style="width: 400px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/183826i2F07A073493BBFCD/image-size/medium?v=v2&amp;px=400" role="button" title="LDR_1-1758706372240.png" alt="LDR_1-1758706372240.png" /></span></P><P>&nbsp;</P><P>So, I don't find any reason because one server can't send the hearbeat and the other can.</P><P>If you can suggest me further steps to analyse and find the root cause, it would be awesome.</P><P>Thanks in advance</P> Wed, 24 Sep 2025 09:53:11 GMT https://community.qlik.com/t5/Talend-Cloud/Talend-Remote-Engine-Heartbeat-lost/m-p/2531701#M500 LDR 2025-09-24T09:53:11Z https://community.qlik.com/t5/Talend-Cloud/Talend-Remote-Engine-Heartbeat-lost/m-p/2532175#M502 <P>Hello,</P> <P>Do you have some errors / warnings about Heartbeat in the karaf.log ?&nbsp;</P> <P>Kind regards<BR />Denis</P> Wed, 01 Oct 2025 05:42:05 GMT https://community.qlik.com/t5/Talend-Cloud/Talend-Remote-Engine-Heartbeat-lost/m-p/2532175#M502 Denis_Segard 2025-10-01T05:42:05Z