use of io.micronaut.transaction.exceptions.CannotCreateTransactionException in project micronaut-data by micronaut-projects.
the class MongoSynchronousTransactionManager method doBegin.
@Override
protected void doBegin(Object transaction, TransactionDefinition definition) throws TransactionException {
MongoTransaction mongoTransaction = (MongoTransaction) transaction;
try {
mongoTransaction.setName(definition.getName());
if (!mongoTransaction.hasClientSession()) {
if (logger.isDebugEnabled()) {
logger.debug("Acquired ClientSession for Mongo transaction [{}]", mongoTransaction);
}
ClientSession clientSession = mongoClient.startSession();
mongoTransaction.setClientSessionHolder(clientSession, true);
}
TransactionOptions.Builder txOptionsBuilder = TransactionOptions.builder();
Duration timeout = determineTimeout(definition);
if (timeout != TransactionDefinition.TIMEOUT_DEFAULT) {
txOptionsBuilder = txOptionsBuilder.maxCommitTime(timeout.toMillis(), TimeUnit.MILLISECONDS);
}
if (logger.isDebugEnabled()) {
logger.debug("Starting Mongo transaction [{}]", transaction);
}
mongoTransaction.beginTransaction(txOptionsBuilder.build());
// Bind the client session holder to the thread.
if (mongoTransaction.isNewClientSession()) {
TransactionSynchronizationManager.bindResource(mongoClient, mongoTransaction.getClientSession());
}
} catch (Throwable ex) {
mongoTransaction.close();
throw new CannotCreateTransactionException("Could not open Mongo client session for transaction", ex);
}
}
use of io.micronaut.transaction.exceptions.CannotCreateTransactionException in project micronaut-data by micronaut-projects.
the class HibernateTransactionManager method doBegin.
@Override
@SuppressWarnings("deprecation")
protected void doBegin(Object transaction, TransactionDefinition definition) {
HibernateTransactionObject txObject = (HibernateTransactionManager.HibernateTransactionObject) transaction;
if (txObject.hasConnectionHolder() && !txObject.getConnectionHolder().isSynchronizedWithTransaction()) {
throw new IllegalTransactionStateException("Pre-bound JDBC Connection found! HibernateTransactionManager does not support " + "running within DataSourceTransactionManager if told to manage the DataSource itself. " + "It is recommended to use a single HibernateTransactionManager for all transactions " + "on a single DataSource, no matter whether Hibernate or JDBC access.");
}
Session session = null;
try {
if (!txObject.hasSessionHolder() || txObject.getSessionHolder().isSynchronizedWithTransaction()) {
Interceptor entityInterceptor = getEntityInterceptor();
Session newSession = (entityInterceptor != null ? getSessionFactory().withOptions().interceptor(entityInterceptor).openSession() : getSessionFactory().openSession());
if (logger.isDebugEnabled()) {
logger.debug("Opened new Session [" + newSession + "] for Hibernate transaction");
}
txObject.setSession(newSession);
}
session = txObject.getSessionHolder().getSession();
boolean holdabilityNeeded = this.allowResultAccessAfterCompletion && !txObject.isNewSession();
boolean isolationLevelNeeded = (definition.getIsolationLevel() != TransactionDefinition.Isolation.DEFAULT);
if (holdabilityNeeded || isolationLevelNeeded || definition.isReadOnly()) {
if (this.prepareConnection && isSameConnectionForEntireSession(session)) {
// We're allowed to change the transaction settings of the JDBC Connection.
if (logger.isDebugEnabled()) {
logger.debug("Preparing JDBC Connection of Hibernate Session [" + session + "]");
}
Connection con = ((SessionImplementor) session).connection();
TransactionDefinition.Isolation previousIsolationLevel = DataSourceUtils.prepareConnectionForTransaction(con, definition);
txObject.setPreviousIsolationLevel(previousIsolationLevel);
if (this.allowResultAccessAfterCompletion && !txObject.isNewSession()) {
int currentHoldability = con.getHoldability();
if (currentHoldability != ResultSet.HOLD_CURSORS_OVER_COMMIT) {
txObject.setPreviousHoldability(currentHoldability);
con.setHoldability(ResultSet.HOLD_CURSORS_OVER_COMMIT);
}
}
} else {
// Not allowed to change the transaction settings of the JDBC Connection.
if (isolationLevelNeeded) {
// We should set a specific isolation level but are not allowed to...
throw new InvalidIsolationLevelException("HibernateTransactionManager is not allowed to support custom isolation levels: " + "make sure that its 'prepareConnection' flag is on (the default) and that the " + "Hibernate connection release mode is set to 'on_close' (the default for JDBC).");
}
if (logger.isDebugEnabled()) {
logger.debug("Not preparing JDBC Connection of Hibernate Session [" + session + "]");
}
}
}
if (definition.isReadOnly() && txObject.isNewSession()) {
// Just set to MANUAL in case of a new Session for this transaction.
session.setFlushMode(FlushMode.MANUAL);
// As of 5.1, we're also setting Hibernate's read-only entity mode by default.
session.setDefaultReadOnly(true);
}
if (!definition.isReadOnly() && !txObject.isNewSession()) {
// We need AUTO or COMMIT for a non-read-only transaction.
FlushMode flushMode = session.getHibernateFlushMode();
if (FlushMode.MANUAL.equals(flushMode)) {
session.setFlushMode(FlushMode.AUTO);
txObject.getSessionHolder().setPreviousFlushMode(flushMode);
}
}
Transaction hibTx;
// Register transaction timeout.
Duration timeout = determineTimeout(definition);
if (timeout != TransactionDefinition.TIMEOUT_DEFAULT) {
// Use Hibernate's own transaction timeout mechanism on Hibernate 3.1+
// Applies to all statements, also to inserts, updates and deletes!
hibTx = session.getTransaction();
hibTx.setTimeout(((int) timeout.toMillis() / 1000));
hibTx.begin();
} else {
// Open a plain Hibernate transaction without specified timeout.
hibTx = session.beginTransaction();
}
// Add the Hibernate transaction to the session holder.
txObject.getSessionHolder().setTransaction(hibTx);
// Register the Hibernate Session's JDBC Connection for the DataSource, if set.
if (getDataSource() != null) {
SessionImplementor sessionImpl = (SessionImplementor) session;
// The following needs to use a lambda expression instead of a method reference
// for compatibility with Hibernate ORM <5.2 where connection() is defined on
// SessionImplementor itself instead of on SharedSessionContractImplementor...
ConnectionHolder conHolder = new ConnectionHolder(sessionImpl::connection);
if (timeout != TransactionDefinition.TIMEOUT_DEFAULT) {
conHolder.setTimeout(timeout);
}
if (logger.isDebugEnabled()) {
logger.debug("Exposing Hibernate transaction as JDBC [" + conHolder.getConnectionHandle() + "]");
}
TransactionSynchronizationManager.bindResource(getDataSource(), conHolder);
txObject.setConnectionHolder(conHolder);
}
// Bind the session holder to the thread.
if (txObject.isNewSessionHolder()) {
TransactionSynchronizationManager.bindResource(getSessionFactory(), txObject.getSessionHolder());
}
txObject.getSessionHolder().setSynchronizedWithTransaction(true);
} catch (Throwable ex) {
if (txObject.isNewSession()) {
try {
if (session != null && session.getTransaction().getStatus() == TransactionStatus.ACTIVE) {
session.getTransaction().rollback();
}
} catch (Throwable ex2) {
logger.debug("Could not rollback Session after failed transaction begin", ex);
} finally {
SessionFactoryUtils.closeSession(session);
txObject.setSessionHolder(null);
}
}
throw new CannotCreateTransactionException("Could not open Hibernate Session for transaction", ex);
}
}
use of io.micronaut.transaction.exceptions.CannotCreateTransactionException in project micronaut-data by micronaut-projects.
the class DataSourceTransactionManager method doBegin.
/**
* This implementation sets the isolation level but ignores the timeout.
*/
@Override
protected void doBegin(Object transaction, TransactionDefinition definition) {
DataSourceTransactionObject txObject = (DataSourceTransactionObject) transaction;
Connection con = null;
try {
if (!txObject.hasConnectionHolder() || txObject.getConnectionHolder().isSynchronizedWithTransaction()) {
Connection newCon = dataSource.getConnection();
if (logger.isDebugEnabled()) {
logger.debug("Acquired Connection [" + newCon + "] for JDBC transaction");
}
txObject.setConnectionHolder(new ConnectionHolder(newCon), true);
}
txObject.getConnectionHolder().setSynchronizedWithTransaction(true);
con = txObject.getConnectionHolder().getConnection();
TransactionDefinition.Isolation previousIsolationLevel = DataSourceUtils.prepareConnectionForTransaction(con, definition);
txObject.setPreviousIsolationLevel(previousIsolationLevel);
// configured the connection pool to set it already).
if (con.getAutoCommit()) {
txObject.setMustRestoreAutoCommit(true);
if (logger.isDebugEnabled()) {
logger.debug("Switching JDBC Connection [" + con + "] to manual commit");
}
con.setAutoCommit(false);
}
prepareTransactionalConnection(con, definition);
txObject.getConnectionHolder().setTransactionActive(true);
Duration timeout = determineTimeout(definition);
if (timeout != TransactionDefinition.TIMEOUT_DEFAULT) {
txObject.getConnectionHolder().setTimeout(timeout);
}
// Bind the connection holder to the thread.
if (txObject.isNewConnectionHolder()) {
TransactionSynchronizationManager.bindResource(dataSource, txObject.getConnectionHolder());
}
} catch (Throwable ex) {
if (txObject.isNewConnectionHolder()) {
DataSourceUtils.releaseConnection(con, dataSource);
txObject.setConnectionHolder(null, false);
}
throw new CannotCreateTransactionException("Could not open JDBC Connection for transaction", ex);
}
}
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