I debugged a little bit more. It seams, that the EJB3 container recieves a
TM-Singelton by calling TxManager.getInstance() instead of doing a JNDI-lookup
to java:/TransactionManager. My bean and the logs:
Bean:
| package de.ol.uni.inf.jass.example.ejb3;
|
| import [...]
|
| @Stateless
| @Local(TravelAgencyLocal.class)
| @Remote(TravelAgencyRemote.class)
| public class TravelAgencyBean implements TravelAgencyLocal,
TravelAgencyRemote {
|
| private static Logger log = Logger.getLogger(TravelAgencyBean.class
| .getName());
|
| private TransactionManager tm;
| private DataSource airlineDatabase;
|
| public void makeReservation(String name, int seats, int rooms)
| throws NotEnoughSeatsException, NotEnoughRoomsException
{
| log.info("called makeReservation(name=" + name + ", seats=" +
seats
| + ", rooms=" + rooms + ");");
|
| checkTransactionManager();
| checkAirlineDatabase();
|
| Connection airlineConnection = null;
| Statement freeSeatsStatement = null;
| ResultSet freeSeatsResultSet = null;
| try {
| tm.begin();
|
| airlineConnection = airlineDatabase.getConnection();
| freeSeatsStatement =
airlineConnection.createStatement();
| freeSeatsResultSet = freeSeatsStatement
| .executeQuery("SELECT seats FROM
flights");
| freeSeatsResultSet.next();
| int freeSeats = freeSeatsResultSet.getInt(1);
| if ((freeSeats - seats) < 0) {
| tm.rollback();
| throw new NotEnoughSeatsException("Not enough
seats, free: "
| + freeSeats);
| }
|
| tm.commit();
| } catch (NotEnoughSeatsException e) {
| throw e;
| } catch (Exception e) {
| throw new EJBException(e);
| } finally {
| try {
| freeSeatsResultSet.close();
| freeSeatsStatement.close();
| airlineConnection.close();
| } catch (Exception e) {
| log.severe(e.getMessage());
| }
| }
| }
|
| public TransactionManager getTransactionManager() {
| return tm;
| }
| public void setTransactionManager(TransactionManager
transactionManager) {
| this.tm = transactionManager;
| }
| private void checkTransactionManager() {
| if (tm == null) {
| log.warning("transactionManager is null.");
| try {
| Context ctx = new InitialContext();
| Object tm =
ctx.lookup("java:/TransactionManager");
| tm = (TransactionManager) tm;
| } catch (Exception e) {
| throw new RuntimeException("could not init the
TM.");
| }
| }
| }
|
| public DataSource getAirlineDatabase() {
| return airlineDatabase;
| }
| public void setAirlineDatabase(DataSource airlineDatabase) {
| this.airlineDatabase = airlineDatabase;
| }
| private void checkAirlineDatabase() {
| if (airlineDatabase == null) {
| log.warning("airlineDatabase is null.");
| try {
| Context ctx = new InitialContext();
| Object db = ctx.lookup("java:/TAAirlineDS");
| airlineDatabase = (DataSource) db;
| } catch (NamingException e) {
| e.printStackTrace();
| }
| }
| }
| }
|
The Log for makeReservation()
| 2006-05-16 10:09:25,172 TRACE [org.jboss.tm.TransactionImpl] Created new
instance or tx=TransactionImpl:XidImpl[FormatId=257,
GlobalId=bonus.chaoswg.lan/7, BranchQual=, localId=7]
| 2006-05-16 10:09:25,172 TRACE [org.jboss.tm.TxManager] began tx:
TransactionImpl:XidImpl[FormatId=257, GlobalId=bonus.chaoswg.lan/7,
BranchQual=, localId=7]
| 2006-05-16 10:09:25,173 ERROR [STDERR] 16.05.2006 10:09:25
de.ol.uni.inf.jass.example.ejb3.TravelAgencyBean makeReservation
| INFO: called makeReservation(name=austing, seats=3, rooms=2);
| 2006-05-16 10:09:25,173 ERROR [STDERR] 16.05.2006 10:09:25
de.ol.uni.inf.jass.example.ejb3.TravelAgencyBean checkTransactionManager
| WARNUNG: transactionManager is null.
| 2006-05-16 10:09:25,174 DEBUG
[de.ol.uni.inf.jass.hls.tpc.jboss.TransactionManagerService] Returning the
JASS-TM Singelton. TransactionManagerService.getObjectInstance()
| 2006-05-16 10:09:25,175 ERROR [STDERR] 16.05.2006 10:09:25
de.ol.uni.inf.jass.example.ejb3.TravelAgencyBean checkAirlineDatabase
| WARNUNG: airlineDatabase is null.
| 2006-05-16 10:09:25,178 DEBUG [org.objectweb.jass.as.ActivityService]
Starting a ROOT activity
| 2006-05-16 10:09:25,178 DEBUG [org.objectweb.jass.as.ActivityIdGenerator]
New Activity Id Created: http://bonus.chaoswg.lan:1147763021090/18
| 2006-05-16 10:09:25,178 DEBUG [org.objectweb.jass.as.ActivityImpl] STARTING
ACTIVITY http://bonus.chaoswg.lan:1147763021090/18
| 2006-05-16 10:09:25,178 DEBUG [org.objectweb.jass.as.ActivityImpl]
Timeout = 300
| 2006-05-16 10:09:25,178 DEBUG [org.objectweb.jass.as.ActivityImpl]
http://bonus.chaoswg.lan:1147763021090/18 STARTED!!!
| 2006-05-16 10:09:25,179 DEBUG [de.ol.uni.inf.jass.hls.tpc.XidFactory]
Created new Xid: XidImpl[FormatId=257,
GlobalId=bonus.chaoswg.lan:1147763021090/18, BranchQual=, localId=18]
| 2006-05-16 10:09:25,179 DEBUG
[de.ol.uni.inf.jass.hls.tpc.TransactionServiceManager] Transaction associated
with current thread.
| 2006-05-16 10:09:25,179 DEBUG [de.ol.uni.inf.jass.hls.tpc.TransactionUtils]
Status: activityStatus=javax.activity.Status.StatusActive,
completionStatus=javax.activity.CompletionStatus.CompletionStatusFail,
transactionStatus=javax.transaction.Status.STATUS_ACTIVE
| 2006-05-16 10:09:25,519 TRACE
[org.jboss.resource.connectionmanager.JBossManagedConnectionPool] supplying new
ManagedConnection: [EMAIL PROTECTED] [EMAIL PROTECTED] handles=0
lastUse=1147766965519 permit=false trackByTx=false [EMAIL PROTECTED] [EMAIL
PROTECTED] [EMAIL PROTECTED] txSync=null]
| 2006-05-16 10:09:25,519 TRACE
[org.jboss.resource.connectionmanager.JBossManagedConnectionPool] Got
connection from pool tracked by transaction [EMAIL PROTECTED] [EMAIL PROTECTED]
handles=0 lastUse=1147766965519 permit=true trackByTx=false [EMAIL PROTECTED]
[EMAIL PROTECTED] [EMAIL PROTECTED] txSync=null] [EMAIL PROTECTED]
[InUse/Available/Max]: [4/16/20]
| 2006-05-16 10:09:25,519 TRACE
[org.jboss.resource.connectionmanager.JBossManagedConnectionPool] Using
connection from pool tracked by transaction [EMAIL PROTECTED] [EMAIL PROTECTED]
handles=0 lastUse=1147766965519 permit=true trackByTx=true [EMAIL PROTECTED]
[EMAIL PROTECTED] [EMAIL PROTECTED] txSync=null] [EMAIL PROTECTED]
[InUse/Available/Max]: [4/16/20]
| 2006-05-16 10:09:25,520 DEBUG [de.ol.uni.inf.jass.hls.tpc.TransactionUtils]
Status: activityStatus=javax.activity.Status.StatusActive,
completionStatus=javax.activity.CompletionStatus.CompletionStatusFail,
transactionStatus=javax.transaction.Status.STATUS_ACTIVE
| 2006-05-16 10:09:25,520 DEBUG [de.ol.uni.inf.jass.hls.tpc.XidFactory]
Created new Xid (branch): XidImpl[FormatId=257,
GlobalId=bonus.chaoswg.lan:1147763021090/18, BranchQual=, localId=18]
| 2006-05-16 10:09:25,520 DEBUG [org.objectweb.jass.as.ActivityImpl]
http://bonus.chaoswg.lan:1147763021090/18
| 2006-05-16 10:09:25,520 DEBUG [org.objectweb.jass.as.ActivityImpl]
SignalSet de.ol.uni.inf.jass.hls.tpc.TwoPhaseCommitSignalSet not yet registered.
| 2006-05-16 10:09:25,520 DEBUG [org.objectweb.jass.as.ActivityImpl]
Registering SignalSet and adding action...
| 2006-05-16 10:09:25,520 DEBUG [org.objectweb.jass.as.ActivityImpl]
SignalSet de.ol.uni.inf.jass.hls.tpc.TwoPhaseCommitSignalSet registered
| 2006-05-16 10:09:25,520 DEBUG [org.objectweb.jass.as.ActivityImpl]
Action added!!!
| 2006-05-16 10:09:25,520 DEBUG [org.objectweb.jass.as.ActivityImpl]
Actions registered = 1
| 2006-05-16 10:09:25,520 DEBUG [de.ol.uni.inf.jass.hls.tpc.XAResourceAction]
startResource(XidImpl[FormatId=257,
GlobalId=bonus.chaoswg.lan:1147763021090/18, BranchQual=, localId=18]) entered:
[EMAIL PROTECTED] flags=0
| 2006-05-16 10:09:25,692 DEBUG [org.objectweb.jass.as.ActivityService]
completeWithStatus SocketServerInvokerThread-127.0.0.1-6
| 2006-05-16 10:09:25,693 DEBUG [org.objectweb.jass.as.ActivityImpl]
COMPLETING ACTIVITY http://bonus.chaoswg.lan:1147763021090/18
| 2006-05-16 10:09:25,693 DEBUG [org.objectweb.jass.as.ActivityImpl]
WITH COMPLETION_STATUS_FAIL
| 2006-05-16 10:09:25,693 DEBUG [org.objectweb.jass.as.ActivityImpl]
SignalSet de.ol.uni.inf.jass.hls.tpc.TwoPhaseCommitSignalSet already registered
| 2006-05-16 10:09:25,693 DEBUG [org.objectweb.jass.as.ActivityImpl]
Processing Completion SignalSet ->
de.ol.uni.inf.jass.hls.tpc.TwoPhaseCommitSignalSet2006-05-16 10:09:25,693 DEBUG
[de.ol.uni.inf.jass.hls.tpc.TransactionUtils] Status:
activityStatus=javax.activity.Status.StatusCompleting,
completionStatus=javax.activity.CompletionStatus.CompletionStatusFail,
transactionStatus=javax.transaction.Status.STATUS_ROLLING_BACK
| 2006-05-16 10:09:25,693 DEBUG
[de.ol.uni.inf.jass.hls.tpc.TwoPhaseCommitSignalSet] Number of XAResources: 1
| 2006-05-16 10:09:25,693 DEBUG [org.objectweb.jass.as.ActivityImpl]
Sending de.ol.uni.inf.jass.hls.tpc.RollbackSignal signal...
| 2006-05-16 10:09:25,693 DEBUG [org.objectweb.jass.as.ActivityImpl] #
of registered actions = 1
| 2006-05-16 10:09:25,693 DEBUG [org.objectweb.jass.as.ActivityImpl]
Sending number: 0
| 2006-05-16 10:09:25,693 DEBUG [de.ol.uni.inf.jass.hls.tpc.XAResourceAction]
Got Signal: de.ol.uni.inf.jass.hls.tpc.RollbackSignal Instance: [EMAIL
PROTECTED]
| 2006-05-16 10:09:25,746 DEBUG
[de.ol.uni.inf.jass.hls.tpc.TwoPhaseCommitSignalSet] Got Outcome:
de.ol.uni.inf.jass.hls.tpc.protocol.SuccessOutcome
| 2006-05-16 10:09:25,746 DEBUG
[de.ol.uni.inf.jass.hls.tpc.TwoPhaseCommitSignalSet] ABORT
| 2006-05-16 10:09:25,746 DEBUG [org.objectweb.jass.as.ActivityImpl]
Completion SignalSet processing completed
| 2006-05-16 10:09:25,746 DEBUG [org.objectweb.jass.as.ActivityImpl]
Final CompletionStatus = COMPLETION_STATUS_FAIL
| 2006-05-16 10:09:25,746 DEBUG [org.objectweb.jass.as.ActivityImpl]
http://bonus.chaoswg.lan:1147763021090/18 COMPLETED!!!
| 2006-05-16 10:09:25,746 DEBUG [org.objectweb.jass.as.ActivityService]
Activities in this instance 0
| 2006-05-16 10:09:25,746 DEBUG
[de.ol.uni.inf.jass.hls.tpc.TransactionServiceManager] Transaction [EMAIL
PROTECTED] rolled back.
| 2006-05-16 10:09:25,747 TRACE [org.jboss.tm.TransactionImpl] Committing,
tx=TransactionImpl:XidImpl[FormatId=257, GlobalId=bonus.chaoswg.lan/7,
BranchQual=, localId=7], status=STATUS_ACTIVE
| 2006-05-16 10:09:25,747 TRACE [org.jboss.tm.TransactionImpl] Before
completion done, tx=TransactionImpl:XidImpl[FormatId=257,
GlobalId=bonus.chaoswg.lan/7, BranchQual=, localId=7], status=STATUS_ACTIVE
| 2006-05-16 10:09:25,747 TRACE [org.jboss.tm.TransactionImpl] Zero phase
commit TransactionImpl:XidImpl[FormatId=257, GlobalId=bonus.chaoswg.lan/7,
BranchQual=, localId=7]: No resources.
| 2006-05-16 10:09:25,747 TRACE [org.jboss.tm.TransactionImpl] Committed OK,
tx=TransactionImpl:XidImpl[FormatId=257, GlobalId=bonus.chaoswg.lan/7,
BranchQual=, localId=7]
| 2006-05-16 10:09:25,747 TRACE [org.jboss.tm.TxManager] tx timeout is now:
300s
|
Two Transactions are executed by each TM (org.jboss.tm.TxManager /
de.ol.uni.inf.jass.hls.tpc.TransactionManager). The XAResource is only enlisted
in the de.ol.uni.inf.jass.hls.tpc.TransactionManager. This TM rolls back
because of not enough seats. The org.jboss.tm.TxManager commits with zero phase
(No XAResource enlisted).
So back to my questions:
- How do i configure EJB3 to only use the
de.ol.uni.inf.jass.hls.tpc.TransactionManager?
- And why does my Injection not work (see check*-Methods)
Thanks
Andreas.
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