Examples with RecoveryCoordinator org.omg.CosTransactions.RecoveryCoordinator used on opensource projects

Example 1 with RecoveryCoordinator

use of org.omg.CosTransactions.RecoveryCoordinator in project narayana by jbosstm.

the class ArjunaTransactionImple method register_resource.

/**
 * Resources are only registered with the current transaction, whereas
 * subtransaction aware resources are registered with their parents when the
 * current transaction ends.
 */
public RecoveryCoordinator register_resource(Resource r) throws SystemException, Inactive {
    if (jtsLogger.logger.isTraceEnabled()) {
        jtsLogger.logger.trace("ArjunaTransactionImple::register_resource ( " + r + " ) - called for " + get_uid());
    }
    if (r == null)
        throw new BAD_PARAM(0, CompletionStatus.COMPLETED_NO);
    currentStatus = determineStatus(this);
    if (currentStatus != Status.StatusActive) {
        if (jtsLogger.logger.isTraceEnabled()) {
            jtsLogger.logger.trace("ArjunaTransactionImple::register_resource - transaction not active: " + Utility.stringStatus(currentStatus));
        }
        if (currentStatus == Status.StatusMarkedRollback) {
            throw new TRANSACTION_ROLLEDBACK(ExceptionCodes.MARKED_ROLLEDBACK, CompletionStatus.COMPLETED_NO);
        } else
            throw new Inactive();
    }
    AbstractRecord corbaRec = null;
    BasicAction registerIn = this;
    if (jtsLogger.logger.isTraceEnabled()) {
        jtsLogger.logger.trace("ArjunaTransactionImple " + get_uid() + " ::register_resource: ");
    }
    // 
    // Creation of recovery coordinator (DBI)
    // 
    // 
    // Pack the params:
    // [0] = Transaction* this
    // 
    int index = 0;
    Object[] params = new Object[10];
    params[index++] = this;
    RecoveryCoordinator recoveryCoordinator = null;
    Uid recoveryCoordinatorUid = null;
    try {
        recoveryCoordinator = RecoveryCreator.createRecoveryCoordinator(r, params);
        if (recoveryCoordinator == null)
            throw new BAD_OPERATION("RecoveryCoordinator " + jtsLogger.i18NLogger.get_orbspecific_coordinator_rcnotcreated());
    } catch (NO_IMPLEMENT ex) {
        /*
			 * This is legal, and is meant to show that this ORB or
			 * configuration simply doesn't support crash recovery.
			 */
        recoveryCoordinator = null;
    } catch (SystemException e) {
        jtsLogger.i18NLogger.warn_orbspecific_coordinator_rccreate(get_uid(), e);
        try {
            rollback_only();
        } catch (Inactive ex1) {
        } catch (SystemException ex2) {
            jtsLogger.i18NLogger.warn_orbspecific_coordinator_rbofail("ArjunaTransactionImple.register_resource", get_uid(), ex2);
            throw ex2;
        }
        throw e;
    }
    if (recoveryCoordinator != null) {
        // 
        // We got a RecoveryCoordinator, so unpack the other return values:
        // [0] = RecoveryCoordinator Uid*
        // 
        index = 0;
        recoveryCoordinatorUid = (Uid) params[index++];
    } else {
        // 
        // We didn't get a RecoveryCoordinator, so we don't assume that
        // the other return values have been populated.
        // 
        recoveryCoordinatorUid = Uid.nullUid();
    }
    try {
        SubtransactionAwareResource staResource = org.omg.CosTransactions.SubtransactionAwareResourceHelper.narrow(r);
        if (staResource != null) {
            if (jtsLogger.logger.isTraceEnabled()) {
                jtsLogger.logger.trace("ArjunaTransactionImple::register_resource for " + get_uid() + " - subtransaction aware resource: YES");
            }
            /*
				 * If here the narrow was ok so we have a subtran aware
				 * resource.
				 */
            Coordinator coord = null;
            if (parentHandle != null) {
                /*
					 * If we are a SubTranResource then we get registered with
					 * the current transaction and its parents upon completion.
					 * The first parameter to the record indicates whether we
					 * should be propagated (registered) with the parent
					 * transaction.
					 */
                coord = parentHandle.get_coordinator();
            }
            corbaRec = createOTSRecord(true, r, coord, recoveryCoordinatorUid);
            coord = null;
            staResource = null;
        } else
            throw new BAD_PARAM(0, CompletionStatus.COMPLETED_NO);
    } catch (BAD_PARAM ex) {
        if (jtsLogger.logger.isTraceEnabled()) {
            jtsLogger.logger.trace("ArjunaTransactionImple::register_resource for " + get_uid() + " - subtransaction aware resource: NO");
        }
        if (jtsLogger.logger.isTraceEnabled()) {
            jtsLogger.logger.trace("ArjunaTransactionImple " + get_uid() + " ::register_resource: Simple resource - " + ex);
        }
        corbaRec = createOTSRecord(true, r, null, recoveryCoordinatorUid);
    } catch (Unavailable e1) {
        throw new Inactive();
    } catch (SystemException e2) {
        if (jtsLogger.logger.isTraceEnabled()) {
            jtsLogger.logger.trace("ArjunaTransactionImple::register_resource for " + get_uid() + " : catch (SystemException) - " + e2);
        }
        throw e2;
    } catch (Exception e3) {
        if (jtsLogger.logger.isTraceEnabled()) {
            jtsLogger.logger.trace("ArjunaTransactionImple::register_resource for " + get_uid() + " : catch (...) - " + e3);
        }
        throw new UNKNOWN(e3.toString(), ExceptionCodes.UNKNOWN_EXCEPTION, CompletionStatus.COMPLETED_NO);
    }
    if (jtsLogger.logger.isTraceEnabled()) {
        jtsLogger.logger.trace("ArjunaTransactionImple::register_resource for " + get_uid() + " : try end");
    }
    if (registerIn.add(corbaRec) != AddOutcome.AR_ADDED) {
        corbaRec = null;
        throw new INVALID_TRANSACTION(ExceptionCodes.ADD_FAILED, CompletionStatus.COMPLETED_NO);
    } else {
        if (jtsLogger.logger.isTraceEnabled()) {
            jtsLogger.logger.trace("ArjunaTransactionImple::register_resource for " + get_uid() + " : resource registered");
        }
    }
    return recoveryCoordinator;
}

Example 2 with RecoveryCoordinator

use of org.omg.CosTransactions.RecoveryCoordinator in project narayana by jbosstm.

the class JavaIdlRCManager method makeRC.

/**
 * We create a RecoveryCoordinator reference, but without (we think)
 * actually making the implementation object available to the orb.
 * The data needed to construct the RecoveryCoordinator is put in
 * the ObjectId. If a replay_completion is received, it will be sent,
 * via the locationd daemon, to the RecoveryManager.
 */
public RecoveryCoordinator makeRC(Uid RCUid, Uid tranUid, Uid processUid, boolean isServerTransaction) {
    initialise();
    RecoveryCoordinator rc = null;
    try {
        String rcObjectId = GenericRecoveryCoordinator.makeId(RCUid, tranUid, processUid, isServerTransaction);
        if (ref_ReCoo != null) {
            // New for IOR template
            String new_ior = RecoverIOR.getIORFromString(ORBManager.getORB().orb(), ref_ReCoo, rcObjectId);
            org.omg.CORBA.Object rcAsObject = ORBManager.getORB().orb().string_to_object(new_ior);
            // End for IOR Template
            rc = RecoveryCoordinatorHelper.narrow(rcAsObject);
            if (jtsLogger.logger.isDebugEnabled()) {
                jtsLogger.logger.debug("JavaIdlRCManager: Created reference for tran " + tranUid + " = " + rc);
            }
        } else {
            if (JavaIdlRCManager._runWithoutDaemon)
                throw new NO_IMPLEMENT();
            else {
                jtsLogger.i18NLogger.warn_orbspecific_jacorb_recoverycoordinators_JacOrbRCManager_3();
                rc = null;
            }
        }
    } catch (Exception ex) {
        jtsLogger.i18NLogger.warn_orbspecific_jacorb_recoverycoordinators_JacOrbRCManager_2(ex);
    }
    return rc;
}

Example 3 with RecoveryCoordinator

use of org.omg.CosTransactions.RecoveryCoordinator in project narayana by jbosstm.

the class GenericRecoveryCreator method create.

/**
 * Create a new RecoveryCoordinator for Resource res. The params
 * array is used to pass additional data. Currently params[0] is
 * the ArjunaTransactionImple ref. When create returns additional data is
 * passed back using params. Currently returned params[0] is the
 * RecoveryCoordinator Uid.
 */
public RecoveryCoordinator create(Resource res, Object[] params) throws SystemException {
    RecoveryCoordinator recoveryCoordinator = null;
    if (jtsLogger.logger.isDebugEnabled()) {
        jtsLogger.logger.debug("GenericRecoveryCreator.create()");
    }
    // we dont use the res parameter in this version
    if ((params != null) && (params[0] != null)) {
        int index = 0;
        ArjunaTransactionImple otsTransaction = (ArjunaTransactionImple) params[index++];
        // Get the Uid of the top-level transaction. This will be
        // the top-level interposed transaction in the case of
        // interposition.
        BasicAction rootAction = otsTransaction;
        while ((rootAction.parent()) != null) rootAction = rootAction.parent();
        Uid rootActionUid = rootAction.getSavingUid();
        // Uid processUid = Utility.getProcessUid();
        Uid processUid = com.arjuna.ats.arjuna.utils.Utility.getProcessUid();
        // Create a Uid for the new RecoveryCoordinator
        Uid RCUid = new Uid();
        // Is this transaction a ServerTransaction?
        boolean isServerTransaction = (otsTransaction instanceof ServerTransaction);
        // Now ask the orb-specific bit to make the RecoveryCoordinator IOR
        // (it may or may not actually make the RC itself)
        recoveryCoordinator = _orbSpecificManager.makeRC(RCUid, rootActionUid, processUid, isServerTransaction);
        // Tidy up
        otsTransaction = null;
        rootAction = null;
        // Pass the RecoveryCoordinator Uid back
        params[0] = RCUid;
    } else {
        jtsLogger.i18NLogger.warn_recovery_recoverycoordinators_GenericRecoveryCreator_1();
    }
    return recoveryCoordinator;
}

Example 4 with RecoveryCoordinator

use of org.omg.CosTransactions.RecoveryCoordinator in project narayana by jbosstm.

the class TransactionImple method enlistResource.

public boolean enlistResource(XAResource xaRes, Object[] params) throws RollbackException, IllegalStateException, javax.transaction.SystemException {
    if (jtaxLogger.logger.isTraceEnabled()) {
        jtaxLogger.logger.trace("TransactionImple.enlistResource ( " + xaRes + " )");
    }
    if (xaRes == null)
        throw new javax.transaction.SystemException("TransactionImple.enlistResource - " + jtaxLogger.i18NLogger.get_jtax_transaction_jts_nullparam());
    int status = getStatus();
    switch(status) {
        case javax.transaction.Status.STATUS_MARKED_ROLLBACK:
            throw new RollbackException("TransactionImple.enlistResource - " + jtaxLogger.i18NLogger.get_jtax_transaction_jts_markedrollback());
        case javax.transaction.Status.STATUS_ACTIVE:
            break;
        default:
            throw new IllegalStateException(jtaxLogger.i18NLogger.get_jtax_transaction_jts_inactivetx());
    }
    XAModifier theModifier = null;
    if (params != null) {
        if (params.length > XAMODIFIER) {
            if (params[XAMODIFIER] instanceof XAModifier) {
                theModifier = (XAModifier) params[XAMODIFIER];
            }
        }
    }
    try {
        /*
			 * For each transaction we maintain a list of resources registered
			 * with it. Each element on this list also contains a list of
			 * threads which have registered this resource, and what their XID
			 * was for that registration.
			 */
        TxInfo info = null;
        try {
            synchronized (this) {
                info = (TxInfo) _resources.get(xaRes);
                if (info == null) {
                    /*
						 * Null info means it's not in the main resources list,
						 * but may be in the duplicates.
						 */
                    info = (TxInfo) _duplicateResources.get(xaRes);
                }
            }
            if (info != null) {
                switch(info.getState()) {
                    case TxInfo.ASSOCIATION_SUSPENDED:
                        {
                            /*
						 * Have seen resource before, so do a resume. The
						 * Resource instance will still be registered with the
						 * transaction though.
						 */
                            xaRes.start(info.xid(), XAResource.TMRESUME);
                            info.setState(TxInfo.ASSOCIATED);
                            synchronized (this) {
                                _suspendCount--;
                            }
                            // already registered resource with this
                            return true;
                        // transaction!
                        }
                    case TxInfo.ASSOCIATED:
                        {
                            return true;
                        }
                    case TxInfo.NOT_ASSOCIATED:
                        {
                            /*
						 * Resource was associated, but was presumably delisted.
						 */
                            xaRes.start(info.xid(), XAResource.TMJOIN);
                            info.setState(TxInfo.ASSOCIATED);
                            return true;
                        }
                    default:
                        {
                            // block
                            throw new IllegalStateException("TransactionImple.enlistResource - " + jtaxLogger.i18NLogger.get_jtax_transaction_jts_illegalstate() + info.getState());
                        }
                }
            }
        } catch (IllegalStateException ex) {
            // we threw it in the first place
            throw ex;
        } catch (XAException exp) {
            if (info != null)
                info.setState(TxInfo.FAILED);
            jtaxLogger.i18NLogger.warn_jtax_transaction_jts_xaerror("TransactionImple.enlistResource", XAHelper.printXAErrorCode(exp), exp);
            return false;
        }
        // if (threadIsActive(xaRes))
        // return true; // this thread has already registered a resource for
        // this db
        /*
			 * We definitely haven't seen this specific resource instance
			 * before, but that doesn't mean that we haven't seen the RM it is
			 * connected to.
			 */
        Xid xid = null;
        TxInfo existingRM = isNewRM(xaRes);
        if (existingRM == null) {
            /*
				 * New RM, so create xid with new branch.
				 */
            boolean branchRequired = true;
            synchronized (this) {
                if (// first ever, so no need for
                _resources.size() == 0) // branch
                {
                    // branchRequired = false;
                    branchRequired = true;
                }
            }
            xid = createXid(branchRequired, theModifier);
            boolean associatedWork = false;
            int retry = 20;
            while (!associatedWork) {
                try {
                    if (_xaTransactionTimeoutEnabled) {
                        int timeout = _theTransaction.getTimeout();
                        if (timeout > 0) {
                            try {
                                xaRes.setTransactionTimeout(timeout);
                            } catch (XAException te) {
                                jtaxLogger.i18NLogger.warn_jtax_transaction_jts_timeouterror("TransactionImple.enlistResource", XAHelper.printXAErrorCode(te), XAHelper.xidToString(xid), te);
                            }
                        }
                    }
                    // Pay attention now, this bit is hairy. We need to add a new XAResourceRecord
                    // to the transaction, which will thereafter drive its completion. However, the transaction
                    // core is not directly XA aware, so it's our job to start the XAResource. Problem is, if
                    // adding the record fails, the tx will never end the resource via the XAResourceRecord,
                    // so we must do so directly.  start may fail due to dupl xid or other reason, and transactions
                    // may rollback async, for which reasons we can't call add before start.
                    // The xid will change on each pass of the loop, so we need to create a new record on each pass.
                    // The registerResource will fail in the case of multiple last resources being disallowed.
                    // see JBTM-362 and JBTM-363
                    XAResourceRecord xaResourceRecord = createRecord(xaRes, params, xid);
                    if (xaResourceRecord != null) {
                        xaRes.start(xid, XAResource.TMNOFLAGS);
                        try {
                            RecoveryCoordinator recCoord = _theTransaction.registerResource(xaResourceRecord.getResource());
                            xaResourceRecord.setRecoveryCoordinator(recCoord);
                            if (jtaxLogger.logger.isTraceEnabled()) {
                                jtaxLogger.logger.tracef("TransactionImple.enlistResource: " + "resource_trace: txn uid=%s XAReource=%s resource uid=%s\n", get_uid(), xaRes, xaResourceRecord.get_uid());
                            }
                        } catch (Exception e) {
                            // we called start on the resource, but _theTransaction did not accept it.
                            // we therefore have a mess which we must now clean up by ensuring the start is undone:
                            xaResourceRecord.rollback();
                            markRollbackOnly();
                            jtaxLogger.logger.debug("Can't set recovery coordinator for xa resource record: " + xaResourceRecord + ", " + e.getClass().getName() + ": " + e.getMessage(), e);
                            return false;
                        }
                        _resources.put(xaRes, new TxInfo(xid));
                        // dive out, no need to set associatedWork = true;
                        return true;
                    }
                    // if we get to here, something other than a failure of xaRes.start probably went wrong.
                    // so we don't loop and retry, we just give up.
                    markRollbackOnly();
                    return false;
                } catch (XAException e) {
                    /* We get this from Oracle instead of DUPID. */
                    if (e.errorCode == XAException.XAER_RMERR) {
                        if (retry > 0)
                            xid = createXid(true, theModifier);
                        retry--;
                    } else if (e.errorCode == XAException.XAER_DUPID) {
                        if (retry > 0)
                            xid = createXid(true, theModifier);
                        retry--;
                    } else {
                        /*
								 * Can't do start, so set transaction to
								 * rollback only.
								 */
                        jtaxLogger.i18NLogger.warn_jtax_transaction_jts_starterror("TransactionImple.enlistResource - XAResource.start", XAHelper.printXAErrorCode(e), XAHelper.xidToString(xid), e);
                        markRollbackOnly();
                        throw e;
                    }
                    if (retry < 0) {
                        jtaxLogger.i18NLogger.warn_jtax_transaction_jts_starterror("TransactionImple.enlistResource - XAResource.start", XAHelper.printXAErrorCode(e), XAHelper.xidToString(xid), e);
                        markRollbackOnly();
                        throw new UNKNOWN();
                    }
                }
            }
        } else {
            /*
				 * Have seen this RM before, so ignore this instance. The first
				 * registered RM instance will be used to drive the transaction
				 * completion. We add it to the duplicateResource list so we can
				 * delist it correctly later though.
				 */
            /*
				 * Re-create xid.
				 */
            xid = existingRM.xid();
            try {
                xaRes.start(xid, XAResource.TMJOIN);
            } catch (XAException ex) {
                jtaxLogger.i18NLogger.warn_jtax_transaction_jts_xaerror("TransactionImple.enlistResource - xa_start: ", XAHelper.printXAErrorCode(ex), ex);
                markRollbackOnly();
                throw ex;
            }
            /*
				 * Add to duplicate resources list so we can keep track of it
				 * (particularly if we later have to delist).
				 */
            _duplicateResources.put(xaRes, new TxInfo(xid));
            return true;
        }
        return false;
    } catch (Exception e) {
        /*
			 * Some exceptional condition arose and we probably could not enlist
			 * the resouce. So, for safety mark the transaction as rollback
			 * only.
			 */
        jtaxLogger.i18NLogger.warn_could_not_enlist_xar(xaRes, params, e);
        markRollbackOnly();
        return false;
    }
}

Example 5 with RecoveryCoordinator

use of org.omg.CosTransactions.RecoveryCoordinator in project narayana by jbosstm.

the class JacOrbRCManager method makeRC.

/**
 * We create a RecoveryCoordinator reference, but without (we think)
 * actually making the implementation object available to the orb.
 * The data needed to construct the RecoveryCoordinator is put in
 * the ObjectId. If a replay_completion is received, it will be sent,
 * via the locationd daemon, to the RecoveryManager.
 */
public RecoveryCoordinator makeRC(Uid RCUid, Uid tranUid, Uid processUid, boolean isServerTransaction) {
    initialise();
    RecoveryCoordinator rc = null;
    try {
        String rcObjectId = GenericRecoveryCoordinator.makeId(RCUid, tranUid, processUid, isServerTransaction);
        if (ref_ReCoo != null) {
            // New for IOR template
            String new_ior = RecoverIOR.newObjectKey(ref_ReCoo, rcObjectId);
            org.omg.CORBA.Object rcAsObject = ORBManager.getORB().orb().string_to_object(new_ior);
            // End for IOR Template
            rc = RecoveryCoordinatorHelper.narrow(rcAsObject);
            if (jtsLogger.logger.isDebugEnabled()) {
                jtsLogger.logger.debug("JacOrbRCManager: Created reference for tran " + tranUid + " = " + rc);
            }
        } else {
            if (JacOrbRCManager._runWithoutDaemon)
                throw new NO_IMPLEMENT();
            else {
                jtsLogger.i18NLogger.warn_orbspecific_jacorb_recoverycoordinators_JacOrbRCManager_3();
                rc = null;
            }
        }
    } catch (Exception ex) {
        jtsLogger.i18NLogger.warn_orbspecific_jacorb_recoverycoordinators_JacOrbRCManager_2(ex);
    }
    return rc;
}