Send/Cancel Meeting Request and Generate iCalendar

Overview

Send and cancel a meeting request (iCal/vCal event) and generate the iCal String so that it can be written to a file.

This version is for Appian 22.3 and above. Cloud customers on a lower version of Appian that want to install this plugin should open a support case. Self-managed customers can find the latest jar for Appian 22.2 and lower version in the appmarket download file.

Key Features & Functionality

Contains three Smart Services that can

  • Generate an iCalendar String so that it can be written to a file
  • Send a Meeting Request (iCal/vCal event)
    • Returns the meeting unique identifier (uid) so that it can be used later to cancel the meeting request if needed
  • Cancel a Meeting Request (iCal/vCal event)
    • Given a uid returned by a previous execution of "Send Meeting Request", it allows you to cancel the meeting request and have it removed from the guests' calendar

A sample Appian application is included with the download of this Plug-in.  Release notes are also provided as part of the download package.

Anonymous
Parents
  • Hi Tom,

    we are using Appian Cloud 21.3 and after updating plugin to v4.3.5 send iCalendar via email stopped working.

    This is an error log example:

    2022-01-21 17:49:52,251 [Appian Work Item - 4740 - execution01 : UnattendedJavaActivityRequest] ERROR com.appiancorp.ical.Mail - Could not send mail via eu-west-3.smtp-gateway.appian-customer.com:587 to 
    com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.0 Must issue a STARTTLS command first
    
    	at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:2108)
    	at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:1609)
    	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1117)
    	at com.appiancorp.ical.Mail.sendMessage(Mail.java:124)
    	at com.appiancorp.ical.SendMeetingRequestActivity_v4.run(SendMeetingRequestActivity_v4.java:117)
    	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.lambda$call$0(DefaultActivityExecutor.java:131)
    	at com.appiancorp.plugins.PluginUsageLogger.runWithPluginInformation(PluginUsageLogger.java:52)
    	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:131)
    	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:125)
    	at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
    	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:125)
    	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
    	at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
    	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
    	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
    	at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:116)
    	at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
    	at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:123)
    	at com.appiancorp.process.workpoller.UnattendedRequestHandlerBean.onMessage(UnattendedRequestHandlerBean.java:36)
    	at com.appiancorp.process.workpoller.WorkItem.run(WorkItem.java:94)
    	at org.springframework.jca.work.SimpleTaskWorkManager$DelegatingWorkAdapter.run(SimpleTaskWorkManager.java:239)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    	at java.lang.Thread.run(Thread.java:748)

    Can you help me?

    KR.

    Simone.

  • I was not able to reproduce this issue with a simple test. Can you share the configurations you are using for the smart service? Do you have any custom configurations for sending mail from your Appian Cloud site?

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