topic Re: unable to pass process payload using Rest api in Alfresco Archive

unable to pass process payload using Rest api

ganeshr — Fri, 19 Oct 2012 12:06:39 GMT

I am trying to create a process instance with process payload using rest api. Using http://localhost:8080/activiti-rest/service/process-instance able to create a process instance but task does not contain the data passed.And In console it is showing the error as Caused by: org.activiti.engine.impl.j

Re: unable to pass process payload using Rest api

frederikherema1 — Fri, 19 Oct 2012 13:43:49 GMT

How does the JSON look like (what is the value of the payload-key in JSON)? This is the way variables are loaded from the JSON, and you see the default is to use the string-value:


if (valueNode.isBoolean()) {
          variables.put(name, valueNode.getBooleanValue());
        } else if (valueNode.isInt()) {
          variables.put(name, valueNode.getIntValue());
        } else if (valueNode.isLong()) {
          variables.put(name, valueNode.getLongValue());
        } else if (valueNode.isDouble()) {
          variables.put(name, valueNode.getDoubleValue());
        } else if (valueNode.isTextual()) {
          variables.put(name, valueNode.getTextValue());
        } else {
          variables.put(name, valueNode.getValueAsText());
        }

Re: unable to pass process payload using Rest api

ganeshr — Fri, 19 Oct 2012 13:57:09 GMT

So is not possible to send a Java POJO object instead of String/Boolean/Long value as part of calling Rest api?

Re: unable to pass process payload using Rest api

frederikherema1 — Fri, 19 Oct 2012 14:08:56 GMT

No, it's not. This requires us to have a mechanism for deserializing JSON to arbitrary java-objects in activiti-rest. The rest-service is meant for communicating over HTTP, potentially using non-java frameworks. If you really want to use your own Java-objects, you can use the Java-api for this…