url-delimiter setting does not work for xa-datasource in EAP 6

Issue

<url-delimiter> setting does not work for <xa-datasource> in EAP 6.

When I used <url-delimiter> to specify multiple database server to <xa-datasource-property name="URL"> in <xa-datasource> like the following:

   <xa-datasource jndi-name="java:/testxa" pool-name="testxa" enabled="true" use-java-context="true">
       <driver>ojdbc6.jar</driver>
       <xa-datasource-class>oracle.jdbc.xa.client.OracleXADataSource</xa-datasource-class>
       <xa-datasource-property name="URL">jdbc:oracle:thin:@hostname1:1521:dbname|jdbc:oracle:thin:@hostname2:1521:dbname</xa-datasource-property>
       <url-delimiter>|</url-delimiter>
       ...(snip)...
       <xa-pool>
         <min-pool-size>1</min-pool-size>
         <prefill>true</prefill>
       </xa-pool>
   </xa-datasource>

Then I got the following Exception:

WARN  [org.jboss.jca.core.connectionmanager.pool.strategy.OnePool] (JCA PoolFiller) IJ000610: Unable to fill pool: javax.resource.ResourceException: Could not create connection
    at org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.getXAManagedConnection(XAManagedConnectionFactory.java:447)
    at org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.createManagedConnection(XAManagedConnectionFactory.java:385)
    at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreArrayListManagedConnectionPool.createConnectionEventListener(SemaphoreArrayListManagedConnectionPool.java:761) [ironjacamar-core-impl-1.0.11.Final-redhat-1.jar:1.0.11.Final-redhat-1]
    at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreArrayListManagedConnectionPool.fillToMin(SemaphoreArrayListManagedConnectionPool.java:706) [ironjacamar-core-impl-1.0.11.Final-redhat-1.jar:1.0.11.Final-redhat-1]
    at org.jboss.jca.core.connectionmanager.pool.mcp.PoolFiller.run(PoolFiller.java:97) [ironjacamar-core-impl-1.0.11.Final-redhat-1.jar:1.0.11.Final-redhat-1]
    at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_09-icedtea]
Caused by: java.sql.SQLRecoverableException: IO Error: Invalid connection string format, a valid format is: "host:port:sid" 
    at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:419)
    at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:536)
    at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:228)
    at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
    at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521)
    at oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:280)
    at oracle.jdbc.xa.client.OracleXADataSource.getPooledConnection(OracleXADataSource.java:482)
    at oracle.jdbc.xa.client.OracleXADataSource.getXAConnection(OracleXADataSource.java:156)
    at oracle.jdbc.xa.client.OracleXADataSource.getXAConnection(OracleXADataSource.java:130)
    at org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.getXAManagedConnection(XAManagedConnectionFactory.java:430)
    ... 5 more
Caused by: oracle.net.ns.NetException: Invalid connection string format, a valid format is: "host:port:sid" 
    at oracle.net.resolver.AddrResolution.resolveSimple(AddrResolution.java:472)
    at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:397)
    at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:678)
    at oracle.net.ns.NSProtocol.connect(NSProtocol.java:238)
    at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1054)
    at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:308)
    ... 14 more

It also did not work when I tried with MySQL instead of Oracle like the following setting:

<xa-datasource jndi-name="java:/testxa" pool-name="testxa" enabled="true" use-java-context="true">
    <driver>mysql-connector-java.jar</driver>
    <xa-datasource-class>com.mysql.jdbc.jdbc2.optional.MysqlXADataSource</xa-datasource-class>
    <xa-datasource-property name="URL">jdbc:mysql://hostname1:3306/jboss|jdbc:mysql://hostname2:3306/jboss</xa-datasource-property>
    <url-delimiter>|</url-delimiter>
    ...(snip)...
    <xa-pool>
      <min-pool-size>1</min-pool-size>
      <prefill>true</prefill>
    </xa-pool>
  </xa-datasource>

Then I got the following Exception:

WARN  [org.jboss.jca.core.connectionmanager.pool.strategy.OnePool] (JCA PoolFiller) IJ000610: Unable to fill pool: javax.resource.ResourceException: Could not create connection
    at org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.getXAManagedConnection(XAManagedConnectionFactory.java:447)
    at org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.createManagedConnection(XAManagedConnectionFactory.java:385)
    at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreArrayListManagedConnectionPool.createConnectionEventListener(SemaphoreArrayListManagedConnectionPool.java:761) [ironjacamar-core-impl-1.0.11.Final-redhat-1.jar:1.0.11.Final-redhat-1]
    at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreArrayListManagedConnectionPool.fillToMin(SemaphoreArrayListManagedConnectionPool.java:706) [ironjacamar-core-impl-1.0.11.Final-redhat-1.jar:1.0.11.Final-redhat-1]
    at org.jboss.jca.core.connectionmanager.pool.mcp.PoolFiller.run(PoolFiller.java:97) [ironjacamar-core-impl-1.0.11.Final-redhat-1.jar:1.0.11.Final-redhat-1]
    at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_09-icedtea]
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Incorrect database name 'jboss|jdbc:mysql://hostname2:3306/jboss'
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) [rt.jar:1.7.0_09-icedtea]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) [rt.jar:1.7.0_09-icedtea]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) [rt.jar:1.7.0_09-icedtea]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:525) [rt.jar:1.7.0_09-icedtea]
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    at com.mysql.jdbc.Util.getInstance(Util.java:386)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1053)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4074)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4006)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:919)
    at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1694)
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1244)
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2397)
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2430)
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2215)
    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:813)
    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:49)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) [rt.jar:1.7.0_09-icedtea]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) [rt.jar:1.7.0_09-icedtea]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) [rt.jar:1.7.0_09-icedtea]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:525) [rt.jar:1.7.0_09-icedtea]
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399)
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:334)
    at com.mysql.jdbc.jdbc2.optional.MysqlDataSource.getConnection(MysqlDataSource.java:443)
    at com.mysql.jdbc.jdbc2.optional.MysqlDataSource.getConnection(MysqlDataSource.java:141)
    at com.mysql.jdbc.jdbc2.optional.MysqlXADataSource.getXAConnection(MysqlXADataSource.java:61)
    at org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.getXAManagedConnection(XAManagedConnectionFactory.java:430)
    ... 5 more