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Posted to dev@knox.apache.org by "Raghavender Rao Guruvannagari (JIRA)" <ji...@apache.org> on 2018/04/11 07:02:00 UTC
[jira] [Created] (KNOX-1245) Failed to edit workflow from Ambari
workflow Manager while accessing Ambari UI over Knox
Raghavender Rao Guruvannagari created KNOX-1245:
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Summary: Failed to edit workflow from Ambari workflow Manager while accessing Ambari UI over Knox
Key: KNOX-1245
URL: https://issues.apache.org/jira/browse/KNOX-1245
Project: Apache Knox
Issue Type: Bug
Affects Versions: 0.14.0
Reporter: Raghavender Rao Guruvannagari
Ambari workflow manager view is accessed over knox, editing the workflow from the view will fail as knox fails to identify/parse the xml format.
Exception in knox logs
{code:java}
==> gateway.log <==
2018-03-28 10:16:25,542 ERROR hadoop.gateway (AbstractGatewayFilter.java:doFilter(63)) - Failed to execute filter: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
at [Source: java.io.InputStreamReader@254359d8; line: 1, column: 2]
2018-03-28 10:16:25,542 ERROR hadoop.gateway (AbstractGatewayFilter.java:doFilter(63)) - Failed to execute filter: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
at [Source: java.io.InputStreamReader@254359d8; line: 1, column: 2]
2018-03-28 10:16:25,542 ERROR hadoop.gateway (AbstractGatewayFilter.java:doFilter(63)) - Failed to execute filter: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
at [Source: java.io.InputStreamReader@254359d8; line: 1, column: 2]
2018-03-28 10:16:25,543 ERROR hadoop.gateway (GatewayFilter.java:doFilter(141)) - Gateway processing failed: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
at [Source: java.io.InputStreamReader@254359d8; line: 1, column: 2]
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
at [Source: java.io.InputStreamReader@254359d8; line: 1, column: 2]
at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1369)
at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:599)
at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:520)
at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleUnexpectedValue(ReaderBasedJsonParser.java:1379)
at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:669)
at org.apache.hadoop.gateway.filter.rewrite.impl.json.JsonFilterReader.read(JsonFilterReader.java:89)
at org.apache.hadoop.gateway.filter.rewrite.impl.json.JsonUrlRewriteFilterReader.read(JsonUrlRewriteFilterReader.java:32)
at org.apache.commons.io.input.ReaderInputStream.fillBuffer(ReaderInputStream.java:198)
at org.apache.commons.io.input.ReaderInputStream.read(ReaderInputStream.java:242)
{code}
{code:java}
==> gateway-audit.log <==
18/03/28 10:16:25 ||6e7f841c-3aa9-4d8f-a71f-bfbc6138dedf|audit|10.200.4.250|AMBARI|anonymous|||access|uri|/gateway/ui/ambari/api/v1/views/WORKFLOW_MANAGER/versions/1.0.0/instances/wfm/resources/proxy/readWorkflow?workflowPath=/user/admin/workflow.xml&jobType=WORKFLOW|failure|
{code}
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