Why accessing Hawtio causes Transfer for nexus-maven-repository-index.properties failed in A-MQ 6.1 beta ?

Issue

• While accessing the "http://localhost:8181/hawtio" console the following error is observed in the log ?

2014-04-04 09:57:20,088 | INFO  | de startup timer | MavenIndexerFacade               | maven.indexer.MavenIndexerFacade   95 | 147 - io.hawt.hawtio-maven-indexer - 1.2.0.M-redhat-328 | Storing maven index files in local directory: E:\jboss-a-mq-6.1.0.redhat-328\data\mavenIndexer

2014-04-04 09:57:41,573 | ERROR | de startup timer | MavenIndexerFacade               | maven.indexer.MavenIndexerFacade  129 | 147 - io.hawt.hawtio-maven-indexer - 1.2.0.M-redhat-328 | Failed to update the maven repository indices: java.io.IOException: Transfer for nexus-maven-repository-index.properties failed; Error transferring file: Connection timed out: connect
java.io.IOException: Transfer for nexus-maven-repository-index.properties failed; Error transferring file: Connection timed out: connect
    at org.apache.maven.index.updater.WagonHelper$WagonFetcher.retrieve(WagonHelper.java:241)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at org.apache.maven.index.updater.WagonHelper$WagonFetcher.retrieve(WagonHelper.java:201)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at org.apache.maven.index.updater.DefaultIndexUpdater.downloadIndexProperties(DefaultIndexUpdater.java:459)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at org.apache.maven.index.updater.DefaultIndexUpdater.access$000(DefaultIndexUpdater.java:76)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at org.apache.maven.index.updater.DefaultIndexUpdater$IndexAdaptor.setProperties(DefaultIndexUpdater.java:589)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at org.apache.maven.index.updater.DefaultIndexUpdater.fetchAndUpdateIndex(DefaultIndexUpdater.java:814)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at org.apache.maven.index.updater.DefaultIndexUpdater.fetchAndUpdateIndex(DefaultIndexUpdater.java:157)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at io.hawt.maven.indexer.MavenIndexerFacade.downloadOrUpdateIndices(MavenIndexerFacade.java:167)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at io.hawt.maven.indexer.MavenIndexerFacade.init(MavenIndexerFacade.java:126)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at io.hawt.maven.indexer.AsyncMavenIndexerFacadeFactory.createMavenIndexer(AsyncMavenIndexerFacadeFactory.java:134)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at io.hawt.maven.indexer.AsyncMavenIndexerFacadeFactory$1.run(AsyncMavenIndexerFacadeFactory.java:49)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at java.util.TimerThread.mainLoop(Unknown Source)[:1.6.0_26]
    at java.util.TimerThread.run(Unknown Source)[:1.6.0_26]
Caused by: org.apache.maven.wagon.TransferFailedException: Error transferring file: Connection timed out: connect
    at org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(LightweightHttpWagon.java:143)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    at org.apache.maven.index.updater.WagonHelper$WagonFetcher.retrieve(WagonHelper.java:219)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]
    ... 12 more
Caused by: java.net.ConnectException: Connection timed out: connect
    at java.net.PlainSocketImpl.socketConnect(Native Method)[:1.6.0_26]
    at java.net.PlainSocketImpl.doConnect(Unknown Source)[:1.6.0_26]
    at java.net.PlainSocketImpl.connectToAddress(Unknown Source)[:1.6.0_26]
    at java.net.PlainSocketImpl.connect(Unknown Source)[:1.6.0_26]
    at java.net.SocksSocketImpl.connect(Unknown Source)[:1.6.0_26]
    at java.net.Socket.connect(Unknown Source)[:1.6.0_26]
    at java.net.Socket.connect(Unknown Source)[:1.6.0_26]
    at sun.net.NetworkClient.doConnect(Unknown Source)[:1.6.0_26]
    at sun.net.www.http.HttpClient.openServer(Unknown Source)[:1.6.0_26]
    at sun.net.www.http.HttpClient.openServer(Unknown Source)[:1.6.0_26]
    at sun.net.www.http.HttpClient.<init>(Unknown Source)[:1.6.0_26]
    at sun.net.www.http.HttpClient.New(Unknown Source)[:1.6.0_26]
    at sun.net.www.http.HttpClient.New(Unknown Source)[:1.6.0_26]
    at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)[:1.6.0_26]
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)[:1.6.0_26]
    at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)[:1.6.0_26]
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)[:1.6.0_26]
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)[:1.6.0_26]
    at org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(LightweightHttpWagon.java:115)[147:io.hawt.hawtio-maven-indexer:1.2.0.M-redhat-328]