Atlas Rest API V2 Error

arsalan_siddiqi — Wed, 13 Sep 2017 20:47:43 GMT

Hi I have installed atlas naively (not HDP). I tried to use the REST API but I notice that the V2 API does not work. I have the latest build from

 https://git-wip-us.apache.org/repos/asf/atlas.git atlas

Atlas is running locally. I have used the following configuration

mvn clean package -Pdist,berkeley-elasticsearch

I notice I keep getting the following warning in my application log:

2017-09-12 13:16:34,998 WARN  - [main-SendThread(localhost:9026):] ~ Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect (ClientCnxn$SendThread:1102)
java.net.ConnectException: Connection refused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)

When i hit the URL below I get the expected response.

localhost:21000/api/atlas/types

But when I try

localhost:21000/api/atlas/v2/types

I get the following error in the log:

2017-09-12 13:16:35,000 ERROR - [pool-1-thread-7 - 32b40c72-e4ba-41cd-aded-62634756785a:] ~ Error handling a request: e454ceee5c6d9335 (ExceptionMapperUtil:32)
javax.ws.rs.WebApplicationException
	at com.sun.jersey.server.impl.uri.rules.TerminatingRule.accept(TerminatingRule.java:66)
	at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
	at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
	at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
	at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1542)
	at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1473)
	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
	at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
	at org.apache.atlas.web.filters.AuditFilter.doFilter(AuditFilter.java:76)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317)
	at org.apache.atlas.web.filters.AtlasAuthorizationFilter.doFilter(AtlasAuthorizationFilter.java:157)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.apache.atlas.web.filters.AtlasCSRFPreventionFilter$ServletFilterHttpInteraction.proceed(AtlasCSRFPreventionFilter.java:235)
	at org.apache.atlas.web.filters.AtlasCSRFPreventionFilter.handleHttpInteraction(AtlasCSRFPreventionFilter.java:177)
	at org.apache.atlas.web.filters.AtlasCSRFPreventionFilter.doFilter(AtlasCSRFPreventionFilter.java:190)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.apache.atlas.web.filters.AtlasAuthenticationFilter.doFilter(AtlasAuthenticationFilter.java:340)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.apache.atlas.web.filters.AtlasKnoxSSOAuthenticationFilter.doFilter(AtlasKnoxSSOAuthenticationFilter.java:132)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.apache.atlas.web.filters.StaleTransactionCleanupFilter.doFilter(StaleTransactionCleanupFilter.java:55)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:215)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214)
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177)
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
	at org.eclipse.jetty.server.Server.handle(Server.java:499)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
	at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:748)

The URL mentioned above is mentioned in

https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.6.1/bk_data-governance/content/atlas_types_api.html

The REST API Page for atlas has the following URL

https://atlas.apache.org/api/v2/types/typedefs

when I try this URL i get the following message 404 message

Looking for something? We're sorry. The web address you're looking for is not a functioning page in Apache Atlas. Please try navigating from Apache Atlas Home

Any suggestions?

Re: Atlas Rest API V2 Error

ssubramanian — Thu, 14 Sep 2017 00:38:09 GMT

The following GET works to list all type definitions in atlas:

http://localhost:21000/api/atlas/v2/types/typedefs
http://localhost:21000/api/atlas/v2/types/typedefs/headers

Please refer to the following v2 REST API doc for reference: http://atlas.apache.org/api/v2/resource_TypesREST.html

Re: Atlas Rest API V2 Error

mike_hastie — Fri, 27 Apr 2018 23:19:51 GMT

I am trying the recently posted GitHub examples from Venkat https://github.com/venkatra/atlas-v2

My system is not empty and I suspect I am getting collisions but I get this message

There was an error processing your request. It has been logged (ID c3168fa1ecad582d)

When is scan the application.log with that ID I get the following message

2018-04-27 15:57:50,312 ERROR - [pool-1-thread-5 - 2f8110b3-0d18-4435-8ccd-3a8abff0eda0:] ~ Error handling a request: c3168fa1ecad582d (ExceptionMapperUtil:32)

com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot construct instance of `org.apache.atlas.model.typedef.AtlasTypesDef` (although at least one Creator exists): no String-argument constructor/factory method to deserialize from String value ('classificationDefs')

... and a whole bunch of stack trace

What is the correct way to determine root cause ?

Re: Atlas Rest API V2 Error

mike_hastie — Fri, 27 Apr 2018 23:26:06 GMT

I am working with Atlas-1.0.0-alpha if that is important

Re: Atlas Rest API V2 Error

mike_hastie — Fri, 27 Apr 2018 23:45:05 GMT

I found this problem was caused by missing all of the JSON so I had a missing { but still keen to understand the problem solving process.

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