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sql interpreter shows empty result in zeppelin via knox in HDP3

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I am using HDP3.0 (having zeppelin 0.8.0).

Below queries do not show any result, even though downloading the csv show the data correctly (e.g. if there is no tables, show the header).

%livy2.sqlshow tables

%spark2.sql
show tables

Infrequently I saw the table show a short time and then disappear. I guess it is html rendering issue.

This issue does not happen when I ssh to the zeppelin host and use zeppelin via port forwarding. It happens when I use zeppelin via knox.

Any idea? Any setting is related to this? Sql interpreters worked fine in HDP2.6 using zeppelin 0.7.3.

javascript error:
Error: [ngRepeat:iidexp] '_item_' in '_item_ in _collection_' should be an identifier or '(_key_, _value_)' expression, but got '/gateway/ui/zeppelin/app'. http://errors.angularjs.org/1.5.7/ngRepeat/iidexp?p0=%2Fgateway%2Fui%2Fzeppelin%2Fapp b/<@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:36:376 Kg</<.compile@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:40:30580 Z@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:37:4755 S@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:36:30480 S@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:36:30611 S@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:36:30611 N@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:36:29413 X/<@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:37:440 d@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:36:30833 m@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:37:909 mg</<.link/<@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:40:17582 xc/this.$get</o.prototype.$digest@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:38:10966 a/n.prototype.safeDigest@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:76:1460 b@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:76:3748 a/n.prototype._onMessageHandler@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:76:3960 R/<@https://mydomain.com/gateway/ui/zeppelin/scripts/vendor.49d751b0c72342f6.js:36:5633 " <!-- ngRepeat: /gateway/ui/zeppelin/app in apps -->


Appreciate any clue.

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