topic Connection to the engine failed for unspecified reason issue in Management & Governance https://community.qlik.com/t5/Management-Governance/Connection-to-the-engine-failed-for-unspecified-reason-issue/m-p/29276#M560 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I have create a proxy service for Header Auth SSO mechanism through which I am able to login to qlik sense but its giving me "Connection to the engine failed for unspecified reason" and also I am unable to launch my apps this gives me Connection lost</P><P><IMG alt="sso-qlik.JPG" class="jive-image image-1" src="https://community.qlik.com/legacyfs/online/203886_sso-qlik.JPG" style="height: 290px; width: 620px;" /></P><P></P><P>From Console I can see below error:</P><P><EM style="color: #ff0000;">WebSocket connection to 'ws://localhost:8080/hdr/hub/qrsData?reloadUri=http%3A%2F%2Flocalhost%3A8080%2Fhdr%2Fhub%2Fstream%2Fa70ca8a5-1d59-4cc9-b5fa-6e207978dcaf' failed: Error during WebSocket handshake: Unexpected response code: 500</EM></P><P><EM style="color: #ff0000;"><BR /></EM></P><P><EM style=": ; color: #000000;">Can anyone help me on this ?? </EM></P></BODY></HTML> Wed, 30 May 2018 11:09:42 GMT Anonymous 2018-05-30T11:09:42Z Connection to the engine failed for unspecified reason issue https://community.qlik.com/t5/Management-Governance/Connection-to-the-engine-failed-for-unspecified-reason-issue/m-p/29276#M560 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I have create a proxy service for Header Auth SSO mechanism through which I am able to login to qlik sense but its giving me "Connection to the engine failed for unspecified reason" and also I am unable to launch my apps this gives me Connection lost</P><P><IMG alt="sso-qlik.JPG" class="jive-image image-1" src="https://community.qlik.com/legacyfs/online/203886_sso-qlik.JPG" style="height: 290px; width: 620px;" /></P><P></P><P>From Console I can see below error:</P><P><EM style="color: #ff0000;">WebSocket connection to 'ws://localhost:8080/hdr/hub/qrsData?reloadUri=http%3A%2F%2Flocalhost%3A8080%2Fhdr%2Fhub%2Fstream%2Fa70ca8a5-1d59-4cc9-b5fa-6e207978dcaf' failed: Error during WebSocket handshake: Unexpected response code: 500</EM></P><P><EM style="color: #ff0000;"><BR /></EM></P><P><EM style=": ; color: #000000;">Can anyone help me on this ?? </EM></P></BODY></HTML> Wed, 30 May 2018 11:09:42 GMT https://community.qlik.com/t5/Management-Governance/Connection-to-the-engine-failed-for-unspecified-reason-issue/m-p/29276#M560 Anonymous 2018-05-30T11:09:42Z Re: Connection to the engine failed for unspecified reason issue https://community.qlik.com/t5/Management-Governance/Connection-to-the-engine-failed-for-unspecified-reason-issue/m-p/29277#M561 <HTML><HEAD></HEAD><BODY><P>can anyone please help me on this issue,very urgent</P></BODY></HTML> Thu, 31 May 2018 10:13:46 GMT https://community.qlik.com/t5/Management-Governance/Connection-to-the-engine-failed-for-unspecified-reason-issue/m-p/29277#M561 Anonymous 2018-05-31T10:13:46Z