getManagedConnection: illegal state exception. State = STATE_INACTIVE after abort due to transaction timeout

[njr-11]

I've seen the following error occur (very infrequently) after an async abort due to transaction timeout of the same managed connection,

[4/11/19, 11:11:20:344 CDT] 00000042 com.ibm.ejs.j2c.MCWrapper                                    E J2CA0079E: Method getManagedConnection has detected an internal illegal state and is throwing an IllegalStateException. The exception is: java.lang.IllegalStateException: getManagedConnection: illegal state exception. State = STATE_INACTIVE MCW = 6f7ff602
	at com.ibm.ejs.j2c.MCWrapper.getManagedConnection(MCWrapper.java:695)
	at com.ibm.ejs.j2c.PoolManager.fatalErrorNotification(PoolManager.java:325)
	at com.ibm.ejs.j2c.MCWrapper.connectionErrorOccurred(MCWrapper.java:2187)
	at com.ibm.ejs.j2c.ConnectionEventListener.connectionErrorOccurred(ConnectionEventListener.java:237)
	at com.ibm.ws.rsadapter.impl.WSRdbManagedConnectionImpl.processConnectionErrorOccurredEvent(WSRdbManagedConnectionImpl.java:1756)
	at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.fireConnectionErrorEvent(WSJdbcConnection.java:1267)
	at com.ibm.ws.rsadapter.AdapterUtil.mapException(AdapterUtil.java:1220)
	at com.ibm.ws.rsadapter.jdbc.WSJdbcUtil.mapException(WSJdbcUtil.java:108)
	at com.ibm.ws.rsadapter.jdbc.WSJdbcStatement.executeUpdate(WSJdbcStatement.java:614)
	at concurrent.mp.fat.tx.web.MPConcurrentTxTestServlet.testTransactionTimesOutAndReleasesLocks(MPConcurrentTxTestServlet.java:1492)