Kylo Login - Unable to connect to KYLO REST API

Balaganesh Ramadas

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Dec 6, 2018, 5:27:46 AM12/6/18

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Hi

From Kylo Login page, when we provide the credentials, we are getting the following error. Attached Kylo-UI log.

2018-12-06 07:17:18 INFO main:KyloUiApplication:57 - Started KyloUiApplication in 31.955 seconds (JVM running for 32.771)

2018-12-06 07:17:38 INFO http-nio-8400-exec-4:JerseyRestClient:219 - Created new Jersey Client without SSL connecting to http://127.0.0.1:8400/proxy

2018-12-06 07:17:39 WARN http-nio-8400-exec-5:SendErrorFilter:65 - Error during filtering

java.net.ConnectException: Connection refused (Connection refused)

at java.net.PlainSocketImpl.socketConnect(Native Method)

Further down in the Kylo-UI log, we get the stacktrace as below:

2018-12-06 07:17:39 ERROR http-nio-8400-exec-4:JerseyRestClient:421 - Failed to process request org.glassfish.jersey.client.JerseyInvocation$Builder@84cb6bf

javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error

at org.glassfish.jersey.client.JerseyInvocation.convertToException(JerseyInvocation.java:1020)

at org.glassfish.jersey.client.JerseyInvocation.translate(JerseyInvocation.java:816)

at org.glassfish.jersey.client.JerseyInvocation.access$700(JerseyInvocation.java:92)

at org.glassfish.jersey.client.JerseyInvocation$2.call(JerseyInvocation.java:700)

at org.glassfish.jersey.internal.Errors.process(Errors.java:315)

Appreciate your help n Support..

Regards

Bala

kylo-ui_06Dec.log

Gregory Hart

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Dec 6, 2018, 11:23:38 AM12/6/18

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Hi Bala,

Please attach your /var/log/kylo-services/kylo-services.log file. It looks like kylo-services is not running.

konkanchi tejas

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Dec 9, 2018, 11:43:29 PM12/9/18

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Hi Hart,

Kindly check the log file related to Kylo-services and services are running up and fine.

Regards,

Tejas

kylo-services.log

Balaganesh Ramadas

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Dec 10, 2018, 3:57:42 AM12/10/18

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Hart

One more thing,we see in the log file :

Check and Initialize NiFi Flow Cache. Kylo up to date:false, NiFi Connected:true, Cache needs loading:true

Kylo up to date: false..

We notice the Kylo-Services stops abruptly. Wondering, what would be the reason?. Does it have anything to do with this false status?.Can you pl help us with that.

Regards

Bala

Gregory Hart

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Dec 11, 2018, 1:32:22 PM12/11/18

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Hi Bala,

It looks like Kylo was previously stopped while it was initializing and is now in a bad state. Since this is a new install, you can drop your kylo database and recreate it to fix the issue.

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