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How to start a process with parameters when there is no associated form?
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created by <a href="https://community.jboss.org/people/sclaggett">Shane Claggett</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/805726#805726">View the full discussion</a>
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<div class="jive-rendered-content"><p>What is the proper way to programmatically start a jBPM process with parameters using the REST API when the workflow has no form associated with it? I've managed to get authentication working thanks to the <a class="jive-link-external-small" href="http://anonsvn.jboss.org/repos/riftsaw/trunk/samples/quickstart/management/src/org/jboss/riftsaw/management/ManagementClient.java" rel="nofollow">this</a> example, so I'm ready to kick off a workflow. Other posts on this forum point to two different methods to starting a process with parameters:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><ol><li>For processes that have forms associated with them, the posts <a class="" href="https://community.jboss.org/message/751886#751886">here</a> and <a class="jive-link-thread-small" href="https://community.jboss.org/thread/196709">here</a> describe a method to start the process using the REST API (<span style="font-size: 10pt;">the gist </span>being to render the form first, then programmatically complete it to start the process).</li><li>For processes that don't have forms associated with then, an older post <a class="" href="https://community.jboss.org/message/612597#612597">here</a> recommends modifying ProcessMgmtFacade.java to add a new REST endpoint that accepts process parameters.</li></ol><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;">Method #1 fails with the following exception if no form is associated with the process:</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="padding-left: 30px;">Servlet.service() for servlet Resteasy threw exception: org.jboss.resteasy.spi.UnhandledException: java.lang.RuntimeException: No UI associated with PROCESS defaultPackage.TestingTaskAssignment</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Method #2 may work but modifying a third-party library seem like a hack and makes me wonder if I'm approaching the problem incorrectly. What would you recommend as a solution?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thank you,</p><p>Shane</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>P.S. I'm currently running jBPM 5.4.0.Final in JBoss 7.</p></div>
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