Shutdown stalls on XARecoveryModule.removeXAResourceRecoveryHelper

Issue

• JBoss shutdown is stalled in the following:'

"JBoss Shutdown Hook" daemon prio=6 tid=0x000000000c507000 nid=0x143c waiting for monitor entry [0x000000001621d000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at com.arjuna.ats.internal.jta.recovery.arjunacore.XARecoveryModule.removeXAResourceRecoveryHelper(XARecoveryModule.java:93)
    - waiting to lock <0x00000000c6feb518> (a java.util.LinkedList)
    at com.arjuna.ats.jbossatx.jta.TransactionManagerService.removeXAResourceRecovery(TransactionManagerService.java:718)
    at org.jboss.resource.connectionmanager.ManagedConnectionFactoryDeployment.stopService(ManagedConnectionFactoryDeployment.java:526)

• The lock is held by the periodic recovery thread:

"Thread-20" prio=6 tid=0x0000000011e90000 nid=0x1cb0 runnable [0x0000000015cde000]
   java.lang.Thread.State: RUNNABLE
    at java.net.SocketInputStream.socketRead0(Native Method)
    at java.net.SocketInputStream.read(SocketInputStream.java:129)
    at com.microsoft.sqlserver.jdbc.TDSChannel.read(IOBuffer.java:1647)
    at com.microsoft.sqlserver.jdbc.TDSReader.readPacket(IOBuffer.java:3694)
    - locked <0x00000000c9596778> (a com.microsoft.sqlserver.jdbc.TDSReader)
    at com.microsoft.sqlserver.jdbc.TDSCommand.startResponse(IOBuffer.java:5022)
    at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.doExecutePreparedStatement(SQLServerPreparedStatement.java:388)
    at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement$PrepStmtExecCmd.doExecute(SQLServerPreparedStatement.java:340)
    at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:4575)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:1400)
    - locked <0x00000000ca356f08> (a java.lang.Object)
    at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeCommand(SQLServerStatement.java:179)
    at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeStatement(SQLServerStatement.java:154)
    at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.execute(SQLServerPreparedStatement.java:322)
    at com.microsoft.sqlserver.jdbc.SQLServerXAResource.DTC_XA_Interface(SQLServerXAResource.java:534)
    at com.microsoft.sqlserver.jdbc.SQLServerXAResource.recover(SQLServerXAResource.java:723)
    at org.jboss.resource.adapter.jdbc.xa.XAManagedConnection.recover(XAManagedConnection.java:294)
    at com.arjuna.ats.internal.jta.recovery.arjunacore.XARecoveryModule.xaRecovery(XARecoveryModule.java:787)
    at com.arjuna.ats.internal.jta.recovery.arjunacore.XARecoveryModule.resourceInitiatedRecoveryForRecoveryHelpers(XARecoveryModule.java:726)
    - locked <0x00000000c6feb518> (a java.util.LinkedList)
    at com.arjuna.ats.internal.jta.recovery.arjunacore.XARecoveryModule.bottomUpRecovery(XARecoveryModule.java:616)
    at com.arjuna.ats.internal.jta.recovery.arjunacore.XARecoveryModule.periodicWorkSecondPass(XARecoveryModule.java:195)
    at com.arjuna.ats.internal.arjuna.recovery.PeriodicRecovery.doWorkInternal(PeriodicRecovery.java:799)
    at com.arjuna.ats.internal.arjuna.recovery.PeriodicRecovery.run(PeriodicRecovery.java:412)