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Re: JCA Adapter & Recovery
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created by <a href="https://community.jboss.org/people/maxant">Ant Kutschera</a> in <i>IronJacamar</i> - <a href="https://community.jboss.org/message/826755#826755">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi Tom,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>It isn't being called.  Why could that be?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The class is shown below - altho the recover method is returning null at the moment, it isn't printing the log, or if I use the debugger, it doesn't stop in that method. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>-----------------------</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>package ch.maxant.jca_demo.sapresourceadapter;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>import java.io.Serializable;</p><p>import java.util.logging.Level;</p><p>import java.util.logging.Logger;</p><p>import javax.transaction.xa.XAException;</p><p>import javax.transaction.xa.XAResource;</p><p>import javax.transaction.xa.Xid;</p><p>import org.jboss.security.Base64Utils;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public class XASAPResource</p><p>  implements XAResource, Serializable</p><p>{</p><p>  private final Logger log = Logger.getLogger(getClass().getName());</p><p>  private SAPManagedConnection conn;</p><p>  private int timeout = 300;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  public XASAPResource(SAPManagedConnection conn) {</p><p>    this.conn = conn;</p><p>  }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  public void commit(Xid xid, boolean onePhase)</p><p>    throws XAException</p><p>  {</p><p>    this.log.log(Level.FINE, "COMMIT " + onePhase + "/" + gtid(xid));</p><p>    try</p><p>    {</p><p>      this.conn.webService().confirm(gtid(xid));</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>      this.conn.cleanup();</p><p>    }</p><p>    catch (Exception e)</p><p>    {</p><p>      this.log.log(Level.SEVERE, "Failed to CONFIRM", e);</p><p>      throw new XAException(-3);</p><p>    }</p><p>  }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  public void end(Xid xid, int flags)</p><p>    throws XAException</p><p>  {</p><p>    String s = "-";</p><p>    if (flags == 33554432)</p><p>      s = "TMSUSPEND";</p><p>    else if (flags == 536870912)</p><p>      s = "TMFAIL";</p><p>    else if (flags == 67108864) {</p><p>      s = "TMSUCCESS";</p><p>    }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    this.log.log(Level.INFO, "END flags=" + s + "(" + flags + ")" + "/" + gtid(xid));</p><p>  }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  public void forget(Xid xid)</p><p>    throws XAException</p><p>  {</p><p>    this.log.log(Level.INFO, "FORGET " + gtid(xid));</p><p>  }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  public int getTransactionTimeout()</p><p>    throws XAException</p><p>  {</p><p>    return this.timeout;</p><p>  }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  public boolean isSameRM(XAResource xares)</p><p>    throws XAException</p><p>  {</p><p>    this.log.log(Level.INFO, "isSameRM " + xares);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    return equals(xares);</p><p>  }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  public int prepare(Xid xid)</p><p>    throws XAException</p><p>  {</p><p>    this.log.log(Level.INFO, "PREPARE " + gtid(xid));</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    if (!this.conn.wasTrySuccessful().booleanValue()) {</p><p>      throw new XAException(100);</p><p>    }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    return 0;</p><p>  }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  public Xid[] recover(int arg0)</p><p>    throws XAException</p><p>  {</p><p>    this.log.log(Level.INFO, "RECOVER " + arg0);</p><p>    return null;</p><p>  }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  public void rollback(Xid xid)</p><p>    throws XAException</p><p>  {</p><p>    this.log.log(Level.INFO, "ROLLBACK " + gtid(xid));</p><p>    try</p><p>    {</p><p>      this.conn.webService().cancel(gtid(xid));</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>      this.conn.cleanup();</p><p>    }</p><p>    catch (Exception e)</p><p>    {</p><p>      throw new XAException(-3);</p><p>    }</p><p>  }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  public boolean setTransactionTimeout(int timeout)</p><p>    throws XAException</p><p>  {</p><p>    this.log.log(Level.INFO, "SET TRANSACTION TIMEOUT " + timeout);</p><p>    this.timeout = timeout;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    return true;</p><p>  }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  public void start(Xid xid, int arg1)</p><p>    throws XAException</p><p>  {</p><p>    this.log.log(Level.INFO, "START " + arg1 + "/" + gtid(xid));</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    this.conn.setCurrentTxId(gtid(xid));</p><p>  }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  private String gtid(Xid xid)</p><p>  {</p><p>    return Base64Utils.tob64(xid.getGlobalTransactionId());</p><p>  }</p><p>}</p></div>
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