private void testCreateClusterAtRuntime() throws SQLException {
if (config.memory || config.networked || config.cipher != null) {
return;
}
int port1 = 9191, port2 = 9192;
String serverList = "localhost:" + port1 + ",localhost:" + port2;
deleteFiles();
org.h2.Driver.load();
String user = getUser(), password = getPassword();
Connection conn;
Statement stat;
String url1 = "jdbc:h2:tcp://localhost:" + port1 + "/test";
String url2 = "jdbc:h2:tcp://localhost:" + port2 + "/test";
String urlCluster = "jdbc:h2:tcp://" + serverList + "/test";
int len = 10;
// initialize the database
Server n1 =
org.h2.tools.Server.createTcpServer(
"-tcpPort", "" + port1, "-baseDir", getBaseDir() + "/node1")
.start();
conn = DriverManager.getConnection(url1, user, password);
stat = conn.createStatement();
stat.execute(
"create table test(id int primary key, name varchar) as "
+ "select x, 'Data' || x from system_range(0, "
+ (len - 1)
+ ")");
stat.execute("create user test password 'test'");
stat.execute("grant all on test to test");
// start the second server
Server n2 =
org.h2.tools.Server.createTcpServer(
"-tcpPort", "" + port2, "-baseDir", getBaseDir() + "/node2")
.start();
// copy the database and initialize the cluster
CreateCluster.main(
"-urlSource",
url1,
"-urlTarget",
url2,
"-user",
user,
"-password",
password,
"-serverList",
serverList);
// check the original connection is closed
try {
stat.execute("select * from test");
fail();
} catch (SQLException e) {
// expected
JdbcUtils.closeSilently(conn);
}
// test the cluster connection
Connection connApp =
DriverManager.getConnection(urlCluster + ";AUTO_RECONNECT=TRUE", user, password);
check(connApp, len, "'" + serverList + "'");
// delete the rows, but don't commit
connApp.setAutoCommit(false);
connApp.createStatement().execute("delete from test");
// stop server 2, and test if only one server is available
n2.stop();
// rollback the transaction
connApp.createStatement().executeQuery("select count(*) from test");
connApp.rollback();
check(connApp, len, "''");
connApp.setAutoCommit(true);
// re-create the cluster
n2 =
org.h2.tools.Server.createTcpServer(
"-tcpPort", "" + port2, "-baseDir", getBaseDir() + "/node2")
.start();
CreateCluster.main(
"-urlSource",
url1,
"-urlTarget",
url2,
"-user",
user,
"-password",
password,
"-serverList",
serverList);
// test the cluster connection
check(connApp, len, "'" + serverList + "'");
// test a non-admin user
String user2 = "test", password2 = getPassword("test");
connApp = DriverManager.getConnection(urlCluster, user2, password2);
check(connApp, len, "'" + serverList + "'");
n1.stop();
// test non-admin cluster connection if only one server runs
Connection connApp2 =
DriverManager.getConnection(urlCluster + ";AUTO_RECONNECT=TRUE", user2, password2);
check(connApp2, len, "''");
connApp2.close();
// test non-admin cluster connection if only one server runs
connApp2 = DriverManager.getConnection(urlCluster + ";AUTO_RECONNECT=TRUE", user2, password2);
check(connApp2, len, "''");
connApp2.close();
n2.stop();
deleteFiles();
}
private void testStartStopCluster() throws SQLException {
if (config.memory || config.networked || config.cipher != null) {
return;
}
int port1 = 9193, port2 = 9194;
String serverList = "localhost:" + port1 + ",localhost:" + port2;
deleteFiles();
// initialize the database
Connection conn;
org.h2.Driver.load();
String urlNode1 = getURL("node1/test", true);
String urlNode2 = getURL("node2/test", true);
String user = getUser(), password = getPassword();
conn = DriverManager.getConnection(urlNode1, user, password);
Statement stat;
stat = conn.createStatement();
stat.execute("DROP TABLE IF EXISTS TEST");
stat.execute("CREATE TABLE TEST(ID INT PRIMARY KEY, NAME VARCHAR(255))");
PreparedStatement prep = conn.prepareStatement("INSERT INTO TEST VALUES(?, ?)");
int len = getSize(10, 1000);
for (int i = 0; i < len; i++) {
prep.setInt(1, i);
prep.setString(2, "Data" + i);
prep.executeUpdate();
}
check(conn, len, "''");
conn.close();
// copy the database and initialize the cluster
CreateCluster.main(
"-urlSource",
urlNode1,
"-urlTarget",
urlNode2,
"-user",
user,
"-password",
password,
"-serverList",
serverList);
// start both servers
Server n1 =
org.h2.tools.Server.createTcpServer(
"-tcpPort", "" + port1, "-baseDir", getBaseDir() + "/node1")
.start();
Server n2 =
org.h2.tools.Server.createTcpServer(
"-tcpPort", "" + port2, "-baseDir", getBaseDir() + "/node2")
.start();
// try to connect in standalone mode - should fail
try {
conn =
DriverManager.getConnection("jdbc:h2:tcp://localhost:" + port1 + "/test", user, password);
fail("should not be able to connect in standalone mode");
} catch (SQLException e) {
assertKnownException(e);
}
try {
DriverManager.getConnection("jdbc:h2:tcp://localhost:" + port2 + "/test", user, password);
fail("should not be able to connect in standalone mode");
} catch (SQLException e) {
assertKnownException(e);
}
// test a cluster connection
conn = DriverManager.getConnection("jdbc:h2:tcp://" + serverList + "/test", user, password);
check(conn, len, "'" + serverList + "'");
conn.close();
// stop server 2, and test if only one server is available
n2.stop();
conn = DriverManager.getConnection("jdbc:h2:tcp://" + serverList + "/test", user, password);
check(conn, len, "''");
conn.close();
conn = DriverManager.getConnection("jdbc:h2:tcp://" + serverList + "/test", user, password);
check(conn, len, "''");
conn.close();
// disable the cluster
conn =
DriverManager.getConnection(
"jdbc:h2:tcp://localhost:" + port1 + "/test;CLUSTER=''", user, password);
conn.close();
n1.stop();
// re-create the cluster
DeleteDbFiles.main("-dir", getBaseDir() + "/node2", "-quiet");
CreateCluster.main(
"-urlSource",
urlNode1,
"-urlTarget",
urlNode2,
"-user",
user,
"-password",
password,
"-serverList",
serverList);
n1 =
org.h2.tools.Server.createTcpServer(
"-tcpPort", "" + port1, "-baseDir", getBaseDir() + "/node1")
.start();
n2 =
org.h2.tools.Server.createTcpServer(
"-tcpPort", "" + port2, "-baseDir", getBaseDir() + "/node2")
.start();
conn = DriverManager.getConnection("jdbc:h2:tcp://" + serverList + "/test", user, password);
stat = conn.createStatement();
stat.execute("CREATE TABLE BOTH(ID INT)");
n1.stop();
stat.execute("CREATE TABLE A(ID INT)");
conn.close();
n2.stop();
n1 =
org.h2.tools.Server.createTcpServer(
"-tcpPort", "" + port1, "-baseDir", getBaseDir() + "/node1")
.start();
conn =
DriverManager.getConnection(
"jdbc:h2:tcp://localhost:" + port1 + "/test;CLUSTER=''", user, password);
check(conn, len, "''");
conn.close();
n1.stop();
n2 =
org.h2.tools.Server.createTcpServer(
"-tcpPort", "" + port2, "-baseDir", getBaseDir() + "/node2")
.start();
conn =
DriverManager.getConnection(
"jdbc:h2:tcp://localhost:" + port2 + "/test;CLUSTER=''", user, password);
check(conn, len, "''");
conn.createStatement().execute("SELECT * FROM A");
conn.close();
n2.stop();
deleteFiles();
}