Changed to expose less Jaybird internals as suggested by Mark.

Author: asfernandes

src/fbjava/src/main/java/org/firebirdsql/fbjava/impl/InternalFBConnection.java

@@ -25,7 +25,6 @@
 import org.firebirdsql.gds.ng.jna.JnaTransaction;
 import org.firebirdsql.jca.FBManagedConnection;
 import org.firebirdsql.jdbc.FBConnection;
-import org.firebirdsql.jdbc.InternalTransactionCoordinator;
 import org.firebirdsql.jna.fbclient.ISC_STATUS;
 
 import com.sun.jna.ptr.IntByReference;
@@ -37,10 +36,6 @@ public InternalFBConnection(FBManagedConnection mc) throws SQLException
 	{
 		super(mc);
 
-		// for autocommit off
-		txCoordinator.setCoordinator(new InternalTransactionCoordinator.LocalTransactionCoordinator(
-			this, getLocalTransaction()));
-
 		InternalContext internalContext = InternalContext.get();
 		IntByReference transactionHandle = new IntByReference();
 		ISC_STATUS[] statusVector = new ISC_STATUS[20];
@@ -60,9 +55,11 @@ protected void finalize()
 	}
 
 	@Override
-	public void setManagedEnvironment(boolean managedConnection)
+	public void setManagedEnvironment(boolean managedConnection) throws SQLException
 	{
 		// for autocommit off
+		checkValidity();
+		setTransactionCoordinator(managedConnection, false);
 	}
 
 	@Override