Пример #1
0
 protected DataSource getDataSource() {
   if (ds == null) {
     EmbeddedXADataSource ds = new EmbeddedXADataSource();
     ds.setCreateDatabase("create");
     ds.setDatabaseName("target/testdb");
     ds.setUser("sa");
     ds.setPassword("");
     this.ds = ds;
   }
   return ds;
 }
Пример #2
0
  private void checkXAHoldability() {
    System.out.println("START XA HOLDABILITY TEST");
    try {
      EmbeddedXADataSource dscsx = new EmbeddedXADataSource();
      dscsx.setDatabaseName("wombat");

      XAConnection xac = dscsx.getXAConnection("fred", "wilma");
      XAResource xr = xac.getXAResource();
      Xid xid = getXid(25, (byte) 21, (byte) 01);
      Connection conn1 = xac.getConnection();
      System.out.println(
          "By default, autocommit is " + conn1.getAutoCommit() + " for a connection");
      System.out.println("Default holdability for a connection is HOLD_CURSORS_OVER_COMMIT");
      System.out.println(
          "CONNECTION(not in xa transaction yet) HOLDABILITY "
              + (conn1.getHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      // start a global transaction and default holdability and autocommit will be switched to match
      // Derby XA restrictions
      xr.start(xid, XAResource.TMNOFLAGS);
      System.out.println(
          "Notice that autocommit now is "
              + conn1.getAutoCommit()
              + " for connection because it is part of the global transaction");
      System.out.println(
          "Notice that connection's holdability at this point is CLOSE_CURSORS_AT_COMMIT because it is part of the global transaction");
      System.out.println(
          "CONNECTION(in xa transaction) HOLDABILITY "
              + (conn1.getHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      xr.end(xid, XAResource.TMSUCCESS);
      conn1.commit();
      conn1.close();

      xid = getXid(27, (byte) 21, (byte) 01);
      xr.start(xid, XAResource.TMNOFLAGS);
      conn1 = xac.getConnection();
      System.out.println(
          "CONNECTION(in xa transaction) HOLDABILITY "
              + (conn1.getHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "Autocommit on Connection inside global transaction has been set correctly to "
              + conn1.getAutoCommit());
      xr.end(xid, XAResource.TMSUCCESS);
      conn1.rollback();

      Connection conn = xac.getConnection();
      conn.setAutoCommit(false);
      conn.setHoldability(ResultSet.CLOSE_CURSORS_AT_COMMIT);
      System.out.println(
          "CONNECTION(non-xa) HOLDABILITY "
              + (conn.getHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));

      Statement s = conn.createStatement();
      System.out.println(
          "STATEMENT HOLDABILITY "
              + (s.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));

      s.executeUpdate("create table hold_30 (id int not null primary key, b char(30))");
      s.executeUpdate("insert into hold_30 values (1,'init2'), (2, 'init3'), (3,'init3')");
      s.executeUpdate("insert into hold_30 values (4,'init4'), (5, 'init5'), (6,'init6')");
      s.executeUpdate("insert into hold_30 values (7,'init7'), (8, 'init8'), (9,'init9')");

      System.out.println(
          "STATEMENT HOLDABILITY "
              + (s.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));

      Statement sh =
          conn.createStatement(
              ResultSet.TYPE_FORWARD_ONLY,
              ResultSet.CONCUR_READ_ONLY,
              ResultSet.HOLD_CURSORS_OVER_COMMIT);
      PreparedStatement psh =
          conn.prepareStatement(
              "select id from hold_30 for update",
              ResultSet.TYPE_FORWARD_ONLY,
              ResultSet.CONCUR_READ_ONLY,
              ResultSet.HOLD_CURSORS_OVER_COMMIT);
      CallableStatement csh =
          conn.prepareCall(
              "select id from hold_30 for update",
              ResultSet.TYPE_FORWARD_ONLY,
              ResultSet.CONCUR_READ_ONLY,
              ResultSet.HOLD_CURSORS_OVER_COMMIT);

      System.out.println(
          "STATEMENT HOLDABILITY "
              + (sh.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "PREPARED STATEMENT HOLDABILITY "
              + (psh.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "CALLABLE STATEMENT HOLDABILITY "
              + (csh.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));

      ResultSet rsh = sh.executeQuery("select id from hold_30 for update");
      rsh.next();
      System.out.println("H@1 id " + rsh.getInt(1));
      rsh.next();
      System.out.println("H@2 id " + rsh.getInt(1));
      conn.commit();
      rsh.next();
      System.out.println("H@3 id " + rsh.getInt(1));
      conn.commit();

      xid = getXid(23, (byte) 21, (byte) 01);
      xr.start(xid, XAResource.TMNOFLAGS);
      Statement stmtInsideGlobalTransaction = conn.createStatement();
      PreparedStatement prepstmtInsideGlobalTransaction =
          conn.prepareStatement("select id from hold_30");
      CallableStatement callablestmtInsideGlobalTransaction =
          conn.prepareCall("select id from hold_30");

      System.out.println(
          "CONNECTION(xa) HOLDABILITY "
              + (conn.getHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "STATEMENT(this one was created with holdability false, outside the global transaction. Check it's holdability inside global transaction) HOLDABILITY "
              + (s.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "STATEMENT(this one was created with holdability true, outside the global transaction. Check it's holdability inside global transaction) HOLDABILITY "
              + (sh.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "STATEMENT(this one was created with default holdability inside this global transaction. Check it's holdability) HOLDABILITY "
              + (stmtInsideGlobalTransaction.getResultSetHoldability()
                  == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "PREPAREDSTATEMENT(this one was created with default holdability inside this global transaction. Check it's holdability) HOLDABILITY "
              + (prepstmtInsideGlobalTransaction.getResultSetHoldability()
                  == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "CALLABLESTATEMENT(this one was created with default holdability inside this global transaction. Check it's holdability) HOLDABILITY "
              + (callablestmtInsideGlobalTransaction.getResultSetHoldability()
                  == ResultSet.HOLD_CURSORS_OVER_COMMIT));

      ResultSet rsx = s.executeQuery("select id from hold_30 for update");
      rsx.next();
      System.out.println("X@1 id " + rsx.getInt(1));
      rsx.next();
      System.out.println("X@2 id " + rsx.getInt(1));
      xr.end(xid, XAResource.TMSUCCESS);

      // result set should not be useable, since it is part of a detached
      // XAConnection
      try {
        rsx.next();
        System.out.println("FAIL - rsx's connection not active id " + rsx.getInt(1));
      } catch (SQLException sqle) {
        System.out.println("Expected SQLException " + sqle.getMessage());
      }

      // result set should not be useable, it should have been closed by the xa start.
      try {
        rsh.next();
        System.out.println("FAIL - rsh's should be closed " + rsx.getInt(1));
      } catch (SQLException sqle) {
        System.out.println("Expected SQLException " + sqle.getMessage());
      }

      System.out.println("resume XA transaction and keep using rs");
      xr.start(xid, XAResource.TMJOIN);
      Statement stmtAfterGlobalTransactionResume = conn.createStatement();
      PreparedStatement prepstmtAfterGlobalTransactionResume =
          conn.prepareStatement("select id from hold_30");
      CallableStatement callablestmtAfterGlobalTransactionResume =
          conn.prepareCall("select id from hold_30");

      System.out.println("Check holdability of various jdbc objects after resuming XA transaction");
      System.out.println(
          "CONNECTION(xa) HOLDABILITY "
              + (conn.getHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "STATEMENT(this one was created with holdability false, outside the global transaction. Check it's holdability inside global transaction) HOLDABILITY "
              + (s.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "STATEMENT(this one was created with holdability true, outside the global transaction. Check it's holdability inside global transaction) HOLDABILITY "
              + (sh.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "STATEMENT(this one was created with default holdability inside the global transaction when it was first started. Check it's holdability) HOLDABILITY "
              + (stmtInsideGlobalTransaction.getResultSetHoldability()
                  == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "PREPAREDSTATEMENT(this one was created with default holdability inside the global transaction when it was first started. Check it's holdability) HOLDABILITY "
              + (prepstmtInsideGlobalTransaction.getResultSetHoldability()
                  == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "CALLABLESTATEMENT(this one was created with default holdability inside the global transaction when it was first started. Check it's holdability) HOLDABILITY "
              + (callablestmtInsideGlobalTransaction.getResultSetHoldability()
                  == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "STATEMENT(this one was created with default holdability after the global transaction was resumed. Check it's holdability) HOLDABILITY "
              + (stmtAfterGlobalTransactionResume.getResultSetHoldability()
                  == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "PREPAREDSTATEMENT(this one was created with default holdability after the global transaction was resumed. Check it's holdability) HOLDABILITY "
              + (prepstmtAfterGlobalTransactionResume.getResultSetHoldability()
                  == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      System.out.println(
          "CALLABLESTATEMENT(this one was created with default holdability after the global transaction was resumed. Check it's holdability) HOLDABILITY "
              + (callablestmtAfterGlobalTransactionResume.getResultSetHoldability()
                  == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      rsx.next();
      System.out.println("X@3 id " + rsx.getInt(1));
      xr.end(xid, XAResource.TMSUCCESS);

      if (xr.prepare(xid) != XAResource.XA_RDONLY) xr.commit(xid, false);

      // try again once the xa transaction has been committed.
      try {
        rsx.next();
        System.out.println("FAIL - rsx's connection not active id (B)" + rsx.getInt(1));
      } catch (SQLException sqle) {
        System.out.println("Expected SQLException " + sqle.getMessage());
      }

      try {
        rsh.next();
        System.out.println("FAIL - rsh's should be closed (B) " + rsx.getInt(1));
      } catch (SQLException sqle) {
        System.out.println("Expected SQLException " + sqle.getMessage());
      }

      System.out.println("Set connection to hold ");
      conn.setHoldability(ResultSet.HOLD_CURSORS_OVER_COMMIT);
      System.out.println(
          "CONNECTION(held) HOLDABILITY "
              + (conn.getHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));

      xid = getXid(24, (byte) 21, (byte) 01);
      xr.start(xid, XAResource.TMNOFLAGS);
      System.out.println(
          "CONNECTION(xa) HOLDABILITY "
              + (conn.getHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      try {
        conn.setHoldability(ResultSet.HOLD_CURSORS_OVER_COMMIT);
        System.out.println("FAIL allowed to set hold mode in xa transaction");
      } catch (SQLException sqle) {
        System.out.println("Expected SQLException(setHoldability) " + sqle.getMessage());
      }

      // try to create a statement with held attributes
      try {
        Statement shxa =
            conn.createStatement(
                ResultSet.TYPE_FORWARD_ONLY,
                ResultSet.CONCUR_READ_ONLY,
                ResultSet.HOLD_CURSORS_OVER_COMMIT);
        System.out.println(
            "FAIL opened statement with hold cursor attribute in global transaction");
      } catch (SQLException sqle) {
        System.out.println("Expected SQLException (Statement hold) " + sqle.getMessage());
      }
      try {
        Statement shxa =
            conn.prepareStatement(
                "select id from hold_30",
                ResultSet.TYPE_FORWARD_ONLY,
                ResultSet.CONCUR_READ_ONLY,
                ResultSet.HOLD_CURSORS_OVER_COMMIT);
        System.out.println(
            "FAIL opened statement with hold cursor attribute in global transaction");
      } catch (SQLException sqle) {
        System.out.println("Expected SQLException (PreparedStatement hold) " + sqle.getMessage());
      }
      try {
        Statement shxa =
            conn.prepareCall(
                "CALL XXX.TTT()",
                ResultSet.TYPE_FORWARD_ONLY,
                ResultSet.CONCUR_READ_ONLY,
                ResultSet.HOLD_CURSORS_OVER_COMMIT);
        System.out.println(
            "FAIL opened statement with hold cursor attribute in global transaction");
      } catch (SQLException sqle) {
        System.out.println("Expected SQLException (CallableStatement hold) " + sqle.getMessage());
      }

      // check we cannot use a holdable statement set up in local mode.
      System.out.println(
          "STATEMENT HOLDABILITY "
              + (sh.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      try {
        sh.executeQuery("select id from hold_30");
        System.out.println("FAIL used held statement in global transaction");
      } catch (SQLException sqle) {
        System.out.println("Expected SQLException (local Statement hold) " + sqle.getMessage());
      }
      try {
        sh.execute("select id from hold_30");
        System.out.println("FAIL used held statement in global transaction");
      } catch (SQLException sqle) {
        System.out.println("Expected SQLException (local Statement hold) " + sqle.getMessage());
      }
      System.out.println(
          "PREPARED STATEMENT HOLDABILITY "
              + (psh.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      try {
        psh.executeQuery();
        System.out.println("FAIL used held prepared statement in global transaction");
      } catch (SQLException sqle) {
        System.out.println(
            "Expected SQLException (local PreparedStatement hold) " + sqle.getMessage());
      }
      try {
        psh.execute();
        System.out.println("FAIL used held prepared statement in global transaction");
      } catch (SQLException sqle) {
        System.out.println(
            "Expected SQLException (local PreparedStatement hold) " + sqle.getMessage());
      }

      System.out.println(
          "CALLABLE STATEMENT HOLDABILITY "
              + (csh.getResultSetHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));
      try {
        csh.executeQuery();
        System.out.println("FAIL used held callable statement in global transaction");
      } catch (SQLException sqle) {
        System.out.println(
            "Expected SQLException (local CallableStatement hold) " + sqle.getMessage());
      }
      try {
        csh.execute();
        System.out.println("FAIL used held callable statement in global transaction");
      } catch (SQLException sqle) {
        System.out.println(
            "Expected SQLException (local CallableStatement hold) " + sqle.getMessage());
      }

      // but an update works
      sh.executeUpdate("insert into hold_30 values(10, 'init10')");

      xr.end(xid, XAResource.TMSUCCESS);

      System.out.println(
          "CONNECTION(held) HOLDABILITY "
              + (conn.getHoldability() == ResultSet.HOLD_CURSORS_OVER_COMMIT));

      conn.close();
      System.out.println("PASS XA HOLDABILITY TEST");

    } catch (XAException xae) {
      System.out.println("XAException error code " + xae.errorCode);
      xae.printStackTrace(System.out);
      Throwable t = xae.getCause();
      if (t instanceof SQLException) JDBCDisplayUtil.ShowSQLException(System.out, (SQLException) t);

    } catch (SQLException sqle) {
      JDBCDisplayUtil.ShowSQLException(System.out, sqle);
    } catch (Throwable t) {
      t.printStackTrace(System.out);
    }
    System.out.flush();
  }