KB-1445 Automated Deployment Manager (ADM) gets stuck on "inspecting"

Symptoms

While inspecting or importing a package using the Automated Deployment Manager (ADM) servlet, the status will remain on "In Progress" indefinitely. This looks like:

In the application server logs, the following stack trace will appear:

01:39:03,350 INFO [stdout] (pool-17-thread-1) 2017-12-28 01:39:03,350 [pool-17-thread-1] ERROR com.appiancorp.ps.plugins.automatedimport.helper.MainHelper - Error while deploying the application.
01:39:03,351 INFO [stdout] (pool-17-thread-1) java.lang.NullPointerException
01:39:03,351 INFO [stdout] (pool-17-thread-1) at com.appiancorp.ps.plugins.automatedimport.helper.version.DeploymentHelperForAppian16300.executeInspect(DeploymentHelperForAppian16300.java:106)
01:39:03,351 INFO [stdout] (pool-17-thread-1) at com.appiancorp.ps.plugins.automatedimport.helper.MainHelper.run(MainHelper.java:100)
01:39:03,351 INFO [stdout] (pool-17-thread-1) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
01:39:03,351 INFO [stdout] (pool-17-thread-1) at java.util.concurrent.FutureTask.run(FutureTask.java:266)
01:39:03,351 INFO [stdout] (pool-17-thread-1) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
01:39:03,351 INFO [stdout] (pool-17-thread-1) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
01:39:03,351 INFO [stdout] (pool-17-thread-1) at java.lang.Thread.run(Thread.java:748)
01:39:03,352 INFO [stdout] (pool-17-thread-1) 2017-12-28 01:39:03,352 [pool-17-thread-1] ERROR com.appiancorp.ps.plugins.automatedimport.helper.MainHelper - Error while updating the ProgressFile.

Cause

The version of ADM being used is out of date for the version of Appian with which it is running. 

Action

Download and install the latest version of the plugin from Forum/App Market. If you are already using the latest version of the plugin, leave a comment to the maintainer or open a case with Appian Support. 

Affected Versions

This can affect all versions of Appian. It is currently affecting Appian 17.4 with ADM versions less than 2.4.2.

Last Reviewed: January 2018

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