<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<body link="#355491" alink="#4262a1" vlink="#355491" style="background: #e2e2e2; margin: 0; padding: 20px;">
<div>
<table cellpadding="0" bgcolor="#FFFFFF" border="0" cellspacing="0" style="border: 1px solid #dadada; margin-bottom: 30px; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td>
<table border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF" style="border: solid 2px #ccc; background: #dadada; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td bgcolor="#000000" valign="middle" height="58px" style="border-bottom: 1px solid #ccc; padding: 20px; -moz-border-radius-topleft: 3px; -moz-border-radius-topright: 3px; -webkit-border-top-right-radius: 5px; -webkit-border-top-left-radius: 5px;">
<h1 style="color: #333333; font: bold 22px Arial, Helvetica, sans-serif; margin: 0; display: block !important;">
<!-- To have a header image/logo replace the name below with your img tag -->
<!-- Email clients will render the images when the message is read so any image -->
<!-- must be made available on a public server, so that all recipients can load the image. -->
<a href="https://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">JBoss Community</a></h1>
</td>
</tr>
<tr>
<td bgcolor="#FFFFFF" style="font: normal 12px Arial, Helvetica, sans-serif; color:#333333; padding: 20px; -moz-border-radius-bottomleft: 4px; -moz-border-radius-bottomright: 4px; -webkit-border-bottom-right-radius: 5px; -webkit-border-bottom-left-radius: 5px;"><h3 style="margin: 10px 0 5px; font-size: 17px; font-weight: normal;">
Error starting process instance - getting HTTP 500: Unknown error
</h3>
<span style="margin-bottom: 10px;">
created by <a href="https://community.jboss.org/people/skumar0105">Senthil Sathiya</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/830796#830796">View the full discussion</a>
</span>
<hr style="margin: 20px 0; border: none; background-color: #dadada; height: 1px;">
<div class="jive-rendered-content"><p>Hi ,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have created a  simple bpmn job using jbpm 5.4 libraries "start --->  task -> and end event". I have attached a custom work item handler to the task ( CustomHandler.java) . I have been able to successfully commit the bpm file into guvnor and compile the package. The Jar file is copied into \jboss-as-7.1.1.Final\standalone\deployments\jbpm-gwt-console-server.war\WEB-INF\lib\ folder. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When I open the  jbpm console (<a class="jive-link-external-small" href="http://localhost:8080/jbpm-console/" rel="nofollow" target="_blank">http://localhost:8080/jbpm-console/</a> ) i can see the process listed , but when I try to click start the process it errors out with the following msg :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>server/rs/process/definition/com.sample.bpmn.sampleHTformvariables/new_instance</p><p><span>2013-07-31 16:23:37,610 [ERROR] <ul><li>URL: '</span><a class="jive-link-external-small" href="http://localhost:8080/gwt-console-server/rs/process/definition/com.sample.bpmn.sampleHTformvariables/new_instance" rel="nofollow" target="_blank">http://localhost:8080/gwt-console-server/rs/process/definition/com.sample.bpmn.sampleHTformvariables/new_instance</a><span>'</span></p><p><li>Action: 'org.jboss.bpm.console.client.process.StartNewInstanceAction'</p><p><li>Exception: 'class com.google.gwt.http.client.RequestException'</ul></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>HTTP 500: Unknown error</p><p>com.google.gwt.http.client.RequestException:</p><p>HTTP 500: Unknown error</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When I replace the Task with a User Task , the process starts without any issues.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I would appreciate some assistance on this , have been dealing with this issue for the past few days !</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks in advance</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Senthil</p></div>
<div style="background-color: #f4f4f4; padding: 10px; margin-top: 20px;">
<p style="margin: 0;">Reply to this message by <a href="https://community.jboss.org/message/830796#830796">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in jBPM at <a href="https://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034">Community</a></p>
</div></td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>