Adminshell getTransactions() fails - exception = org.teiid.adminapi.AdminComponentException:

With no transaction active - the method returns:

groovy:000> getTransactions()
===> []

With a transaction open:

groovy:000> getTransactions()
ERROR org.teiid.adminapi.AdminComponentException:
Failed to invoke method 'getTransactions' on component 'RuntimeEngineDeployer' with parameters [].
at org.teiid.client.util.ExceptionUtil.convertException (ExceptionUtil.java:72)
at org.teiid.net.socket.SocketServerInstanceImpl$RemoteInvocationHandler.invoke (SocketServerInstanceImpl.java:365)
at org.teiid.net.socket.SocketServerConnection$1.invoke (SocketServerConnection.java:216)
at $Proxy7.getTransactions (Unknown Source)
at org.teiid.adminapi.AdminFactory$AdminProxy.invoke (AdminFactory.java:75)
at $Proxy7.getTransactions (Unknown Source)
at org.teiid.adminshell.AdminShell.getTransactions (AdminShell.java:212)
at org.teiid.adminshell.AdminShell$getTransactions.callStatic (Unknown Source)
at groovysh_evaluate.run (groovysh_evaluate:3)