Rest Query 415

atcevik — Thu, 15 Aug 2013 20:23:45 GMT

Hello there,Been using activiti using rest services for a while, and while trying to add features related to query services to the application, which I did not send data to previously, I keep on getting http 415.I use post while creating process-instances etc, no problem. And all my other requests w

Re: Rest Query 415

pel — Tue, 20 Aug 2013 00:20:29 GMT

I've confirmed this behavior on the latest version of the REST WAR (v5.13) running under JDK 7 / Weblogic 10.3.6 with the payload submitted by Firefox/RESTClient.

My POST URL is http://hostort/activiti-rest/service/query/process-instances
and I have "Content-Type: application/json" and "Accept: application/json" defined as headers (with Authorization, of course), and the following payload:

{ "size" : 5 }

And the response is:

Status Code: 415 Unsupported Media Type

{"errorMessage":"Unsupported Media Type","statusCode":415}

I've successfully used the Firefox/RESTClient combo to test our Activiti install on many occasions with both POST, GET, and DELETE, so I don't think the problem is with formatting or stray characters.

Re: Rest Query 415

trademak — Wed, 21 Aug 2013 06:56:50 GMT

The 415 message can also be returned for other reasons. Can you look in the log of the Activiti REST application to see if there's a specific error message there?

Best regards,

Re: Rest Query 415

tiesebarrell — Tue, 03 Sep 2013 13:10:59 GMT

I ran into something similar where the docs were slightly outdated. You can check the parameters you're sending by looking at the *QueryRequest class' members to see whether you have a mismatch which leads to the 415 as Tijs mentioned. For instance, if you're doing a process instance query, that would be handled by org.activiti.rest.api.runtime.process.ProcessInstanceQueryRequest . There you can see how the properties should be named in the request so you can doublecheck your input.

Re: Rest Query 415

b_schnarr — Mon, 10 Feb 2014 15:20:36 GMT

Same here; I have a process with the processDefinitionId = "simpleApprovalProcess:2:2255"
I use Activiti 5.14 and the firefox RESTClient. The Query http://host-ip/activiti-rest/service/runtime/process-instances with the body

{
"processDefinitionId":"simpleApprovalProcess:2:2255"
}

leads to

{
"errorMessage": "Unsupported Media Type",
"statusCode": 415
}

Other queries work well. Does anyone has an idea?

Re: Rest Query 415

trademak — Tue, 11 Feb 2014 15:23:58 GMT

Do you get a stacktrace in the REST app log?

Best regards,

Re: Rest Query 415

b_schnarr — Wed, 12 Feb 2014 10:20:21 GMT

Where can I find this log?

Re: Rest Query 415

b_schnarr — Wed, 12 Feb 2014 10:31:24 GMT

This problem occurs with cusom processes, too. For example, when I try to add a candidate starter to a given process with the POST Method: http://10.120.40.24:8080/activiti-rest/service/repository/process-definitions/Ausgabe_beantragen:2:2288/identitylinks

and the body

{
"userId":"kermit"
}

I get a 415 Unsupported Media Type error with the information: "Vary: Accept-Charset, Accept-Encoding, Accept-Language, Accept"
In the header, I send Accept: application/json, Accept-Charset: utf-8, Content-Type: application/json. Other POST-Queries work fine. In this case, the log says:

<code>
Feb 12, 2014 10:57:16 AM org.restlet.engine.log.LogFilter afterHandle
Information: 2014-02-12 10:57:16 10.120.6.62 benjamin 10.120.40.24 8080 POST /activiti-rest/service/repository/process-definitions/Ausgabe_beantragen:2:2288/identitylinks - 415 - 25 16 http://10.120.40.24:8080 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0 -
Feb 12, 2014 10:57:51 AM org.restlet.ext.jackson.JacksonRepresentation getObject
Warnung: Unable to parse the object with Jackson.
org.codehaus.jackson.map.exc.UnrecognizedPropertyException: Unrecognized field "userId" (Class org.activiti.rest.service.api.engine.RestIdentityLink), not marked as ignorable
at [Source: org.restlet.engine.http.io.UnclosableInputStream@51f2e0a0; line: 2, column: 15] (through reference chain: org.activiti.rest.service.api.engine.RestIdentityLink["userId"])
at org.codehaus.jackson.map.exc.UnrecognizedPropertyException.from(UnrecognizedPropertyException.java:53)
at org.codehaus.jackson.map.deser.StdDeserializationContext.unknownFieldException(StdDeserializationContext.java:267)
at org.codehaus.jackson.map.deser.std.StdDeserializer.reportUnknownProperty(StdDeserializer.java:673)
at org.codehaus.jackson.map.deser.std.StdDeserializer.handleUnknownProperty(StdDeserializer.java:659)
at org.codehaus.jackson.map.deser.BeanDeserializer.handleUnknownProperty(BeanDeserializer.java:1365)
at org.codehaus.jackson.map.deser.BeanDeserializer._handleUnknown(BeanDeserializer.java:725)
at org.codehaus.jackson.map.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:703)
at org.codehaus.jackson.map.deser.BeanDeserializer.deserialize(BeanDeserializer.java:580)
at org.codehaus.jackson.map.ObjectMapper._readMapAndClose(ObjectMapper.java:2732)
at org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1909)
at org.restlet.ext.jackson.JacksonRepresentation.getObject(JacksonRepresentation.java:139)
at org.restlet.ext.jackson.JacksonConverter.toObject(JacksonConverter.java:218)
at org.restlet.service.ConverterService.toObject(ConverterService.java:161)
at org.restlet.resource.UniformResource.toObject(UniformResource.java:647)
at org.restlet.resource.ServerResource.doHandle(ServerResource.java:434)
at org.restlet.resource.ServerResource.post(ServerResource.java:1114)
at org.restlet.resource.ServerResource.doHandle(ServerResource.java:533)
at org.restlet.resource.ServerResource.doNegotiatedHandle(ServerResource.java:590)
at org.restlet.resource.ServerResource.doConditionalHandle(ServerResource.java:302)
at org.restlet.resource.ServerResource.handle(ServerResource.java:849)
at org.restlet.resource.Finder.handle(Finder.java:513)
at org.restlet.routing.Filter.doHandle(Filter.java:159)
at org.restlet.routing.Filter.handle(Filter.java:206)
at org.restlet.routing.Router.doHandle(Router.java:500)
at org.restlet.routing.Router.handle(Router.java:740)
at org.restlet.routing.Filter.doHandle(Filter.java:159)
at org.restlet.routing.Filter.handle(Filter.java:206)
at org.restlet.routing.Filter.doHandle(Filter.java:159)
at org.restlet.routing.Filter.handle(Filter.java:206)
at org.restlet.routing.Filter.doHandle(Filter.java:159)
at org.restlet.routing.Filter.handle(Filter.java:206)
at org.restlet.routing.Filter.doHandle(Filter.java:159)
at org.restlet.routing.Filter.handle(Filter.java:206)
at org.restlet.routing.Filter.doHandle(Filter.java:159)
at org.restlet.engine.application.StatusFilter.doHandle(StatusFilter.java:155)
at org.restlet.routing.Filter.handle(Filter.java:206)
at org.restlet.routing.Filter.doHandle(Filter.java:159)
at org.restlet.routing.Filter.handle(Filter.java:206)
at org.restlet.engine.ChainHelper.handle(ChainHelper.java:114)
at org.restlet.engine.application.ApplicationHelper.handle(ApplicationHelper.java:75)
at org.restlet.Application.handle(Application.java:391)
at org.restlet.routing.Filter.doHandle(Filter.java:159)
at org.restlet.routing.Filter.handle(Filter.java:206)
at org.restlet.routing.Router.doHandle(Router.java:500)
at org.restlet.routing.Router.handle(Router.java:740)
at org.restlet.routing.Filter.doHandle(Filter.java:159)
at org.restlet.routing.Filter.handle(Filter.java:206)
at org.restlet.routing.Router.doHandle(Router.java:500)
at org.restlet.routing.Router.handle(Router.java:740)
at org.restlet.routing.Filter.doHandle(Filter.java:159)
at org.restlet.routing.Filter.handle(Filter.java:206)
at org.restlet.engine.ChainHelper.handle(ChainHelper.java:114)
at org.restlet.Component.handle(Component.java:391)
at org.restlet.Server.handle(Server.java:491)
at org.restlet.engine.ServerHelper.handle(ServerHelper.java:74)
at org.restlet.engine.http.HttpServerHelper.handle(HttpServerHelper.java:153)
at org.restlet.ext.servlet.ServerServlet.service(ServerServlet.java:1031)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
</code>

Re: Rest Query 415

b_schnarr — Wed, 12 Feb 2014 10:44:18 GMT

ok, seems like the official REST-API documentation is wrong. With the body

{
"user" : "kermit"
}

it works. The documentation says, that you shoul send userId.

Re: Rest Query 415

trademak — Wed, 12 Feb 2014 17:56:14 GMT

Thanks, fixed the documentation in Github just now.

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