Encountered the following exception when attempting to edit JNDI value:

java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at org.teiid.designer.runtime.adapter.JBossServerUtil.isHostConnected(JBossServerUtil.java:55)
at org.teiid.designer.runtime.adapter.JBoss7ServerUtil.isJBossServerConnected(JBoss7ServerUtil.java:77)
at org.teiid.designer.runtime.adapter.TeiidServerAdapterFactory.isParentServerConnected(TeiidServerAdapterFactory.java:276)
at org.teiid.designer.runtime.TeiidServer.isParentConnected(TeiidServer.java:332)
at org.teiid.designer.runtime.TeiidServer.isConnected(TeiidServer.java:314)
at org.teiid.designer.runtime.ui.connection.VdbSourceConnectionHandler.getDataSourceJndiNames(VdbSourceConnectionHandler.java:230)
at org.teiid.designer.vdb.ui.editor.panels.ModelDetailsPanel$JndiEditingSupport.refreshItems(ModelDetailsPanel.java:544)
at org.teiid.designer.ui.common.table.ResourceEditingSupport.getCellEditor(ResourceEditingSupport.java:84)

The server had been started from within the application (not externally)