Examples with Server org.h2.tools.Server used on opensource projects

Example 46 with Server

use of org.h2.tools.Server in project spf4j by zolyfarkas.

the class JdbcSemaphoreTest method testMultiProcess.

@Test
@SuppressFBWarnings("AFBR_ABNORMAL_FINALLY_BLOCK_RETURN")
public void testMultiProcess() throws SQLException, IOException, InterruptedException, ExecutionException, TimeoutException {
    int port = PORT.getAndIncrement();
    Server server = Server.createTcpServer(new String[] { "-tcpPort", Integer.toString(port), "-ifNotExists" }).start();
    try {
        File tempDB = File.createTempFile("test", "h2db");
        String connStr = "jdbc:h2:tcp://localhost:" + port + "/nio:" + tempDB.getAbsolutePath() + ";AUTO_SERVER=TRUE";
        try {
            JdbcDataSource ds = new JdbcDataSource();
            ds.setURL(connStr);
            ds.setUser("sa");
            ds.setPassword("sa");
            createSchemaObjects(ds);
            testReleaseAck(ds, "testSem", 2);
            JdbcSemaphore semaphore = new JdbcSemaphore(ds, "test_sem2", 3);
            org.spf4j.base.Runtime.jrun(BadSemaphoreHandler.class, 10000, connStr, "test_sem2");
            org.spf4j.base.Runtime.jrun(BadSemaphoreHandler.class, 10000, connStr, "test_sem2");
            Assert.assertTrue(semaphore.tryAcquire(1, TimeUnit.SECONDS));
            Assert.assertTrue(semaphore.tryAcquire(10, TimeUnit.SECONDS));
        } finally {
            if (!tempDB.delete()) {
                throw new IOException("Cannot delete " + tempDB);
            }
        }
    } finally {
        JdbcHeartBeat.stopHeartBeats();
        server.shutdown();
    }
}

Example 47 with Server

use of org.h2.tools.Server in project che by eclipse.

the class AccountJpaTckModule method configure.

@Override
protected void configure() {
    H2DBTestServer server = H2DBTestServer.startDefault();
    install(new PersistTestModuleBuilder().setDriver(Driver.class).runningOn(server).addEntityClass(AccountImpl.class).setExceptionHandler(H2ExceptionHandler.class).build());
    bind(DBInitializer.class).asEagerSingleton();
    bind(SchemaInitializer.class).toInstance(new FlywaySchemaInitializer(server.getDataSource(), "che-schema"));
    bind(TckResourcesCleaner.class).toInstance(new H2JpaCleaner(server));
    bind(new TypeLiteral<TckRepository<AccountImpl>>() {
    }).toInstance(new JpaTckRepository<>(AccountImpl.class));
    bind(AccountDao.class).to(JpaAccountDao.class);
}

Example 48 with Server

use of org.h2.tools.Server in project nifi by apache.

the class DBCPServiceTest method testDropInvalidConnectionsDerby.

/**
 * Note!! Derby keeps something open even after server shutdown.
 * So it's difficult to get invalid connections.
 *
 * Test Drop invalid connections and create new ones.
 */
@Ignore
@Test
public void testDropInvalidConnectionsDerby() throws Exception {
    // remove previous test database, if any
    final File dbLocation = new File(DB_LOCATION);
    dbLocation.delete();
    if (dbLocation.exists())
        throw new RuntimeException("Still exists " + dbLocation.getAbsolutePath());
    // Start Derby server.
    System.setProperty("derby.drda.startNetworkServer", "true");
    System.setProperty("derby.system.home", DB_LOCATION);
    NetworkServerControl serverControl = new NetworkServerControl(InetAddress.getLocalHost(), 1527);
    serverControl.start(new PrintWriter(System.out, true));
    // create sample database
    Class.forName("org.apache.derby.jdbc.ClientDriver");
    Connection conn = DriverManager.getConnection("jdbc:derby://127.0.0.1:1527/sample;create=true");
    conn.close();
    final TestRunner runner = TestRunners.newTestRunner(TestProcessor.class);
    final DBCPConnectionPool service = new DBCPConnectionPool();
    runner.addControllerService("test-dropcreate", service);
    // set Derby database props
    runner.setProperty(service, DBCPConnectionPool.DATABASE_URL, "jdbc:derby:" + "//127.0.0.1:1527/sample");
    runner.setProperty(service, DBCPConnectionPool.DB_USER, "tester");
    runner.setProperty(service, DBCPConnectionPool.DB_DRIVERNAME, "org.apache.derby.jdbc.ClientDriver");
    runner.enableControllerService(service);
    runner.assertValid(service);
    final DBCPService dbcpService = (DBCPService) runner.getProcessContext().getControllerServiceLookup().getControllerService("test-dropcreate");
    Assert.assertNotNull(dbcpService);
    for (int i = 0; i < 10; i++) {
        final Connection connection = dbcpService.getConnection();
        System.out.println(connection);
        Assert.assertNotNull(connection);
        assertValidConnectionDerby(connection, i);
        connection.close();
    }
    serverControl.shutdown();
    dbLocation.delete();
    if (dbLocation.exists())
        throw new RuntimeException("Still exists " + dbLocation.getAbsolutePath());
    try {
        serverControl.ping();
    } catch (Exception e) {
    }
    Thread.sleep(2000);
    for (int i = 0; i < 10; i++) {
        final Connection connection = dbcpService.getConnection();
        System.out.println(connection);
        Assert.assertNotNull(connection);
        assertValidConnectionDerby(connection, i);
        connection.close();
    }
}

Example 49 with Server

use of org.h2.tools.Server in project nifi by apache.

the class DBCPServiceTest method testDropInvalidConnectionsH2_Default.

/**
 * Test Drop invalid connections and create new ones.
 * Default behavior, invalid connections in pool.
 */
@Test
public void testDropInvalidConnectionsH2_Default() throws Exception {
    // start the H2 TCP Server
    String[] args = new String[0];
    Server server = Server.createTcpServer(args).start();
    final TestRunner runner = TestRunners.newTestRunner(TestProcessor.class);
    final DBCPConnectionPool service = new DBCPConnectionPool();
    runner.addControllerService("test-dropcreate", service);
    runner.setProperty(service, DBCPConnectionPool.DATABASE_URL, "jdbc:h2:tcp://localhost:" + server.getPort() + "/~/test");
    runner.setProperty(service, DBCPConnectionPool.DB_DRIVERNAME, "org.h2.Driver");
    runner.enableControllerService(service);
    runner.assertValid(service);
    final DBCPService dbcpService = (DBCPService) runner.getProcessContext().getControllerServiceLookup().getControllerService("test-dropcreate");
    Assert.assertNotNull(dbcpService);
    // get and verify connections
    for (int i = 0; i < 10; i++) {
        final Connection connection = dbcpService.getConnection();
        System.out.println(connection);
        Assert.assertNotNull(connection);
        assertValidConnectionH2(connection, i);
        connection.close();
    }
    // restart server, connections in pool should became invalid
    server.stop();
    server.shutdown();
    server.start();
    // Note!! We should get something like:
    // org.h2.jdbc.JdbcSQLException: Connection is broken: "session closed" [90067-192]
    exception.expect(JdbcSQLException.class);
    for (int i = 0; i < 10; i++) {
        final Connection connection = dbcpService.getConnection();
        System.out.println(connection);
        Assert.assertNotNull(connection);
        assertValidConnectionH2(connection, i);
        connection.close();
    }
    server.shutdown();
}

Example 50 with Server

use of org.h2.tools.Server in project ignite by apache.

the class GridReduceQueryExecutor method query.

/**
 * @param schemaName Schema name.
 * @param qry Query.
 * @param keepBinary Keep binary.
 * @param enforceJoinOrder Enforce join order of tables.
 * @param timeoutMillis Timeout in milliseconds.
 * @param cancel Query cancel.
 * @param params Query parameters.
 * @param parts Partitions.
 * @param lazy Lazy execution flag.
 * @return Rows iterator.
 */
public Iterator<List<?>> query(String schemaName, final GridCacheTwoStepQuery qry, boolean keepBinary, boolean enforceJoinOrder, int timeoutMillis, GridQueryCancel cancel, Object[] params, final int[] parts, boolean lazy) {
    if (F.isEmpty(params))
        params = EMPTY_PARAMS;
    final boolean isReplicatedOnly = qry.isReplicatedOnly();
    // Fail if all caches are replicated and explicit partitions are set.
    for (int attempt = 0; ; attempt++) {
        if (attempt != 0) {
            try {
                // Wait for exchange.
                Thread.sleep(attempt * 10);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                throw new CacheException("Query was interrupted.", e);
            }
        }
        final long qryReqId = qryIdGen.incrementAndGet();
        final ReduceQueryRun r = new ReduceQueryRun(qryReqId, qry.originalSql(), schemaName, h2.connectionForSchema(schemaName), qry.mapQueries().size(), qry.pageSize(), U.currentTimeMillis(), cancel);
        AffinityTopologyVersion topVer = h2.readyTopologyVersion();
        // Check if topology is changed while retrying on locked topology.
        if (h2.serverTopologyChanged(topVer) && ctx.cache().context().lockedTopologyVersion(null) != null) {
            throw new CacheException(new TransactionException("Server topology is changed during query " + "execution inside a transaction. It's recommended to rollback and retry transaction."));
        }
        List<Integer> cacheIds = qry.cacheIds();
        Collection<ClusterNode> nodes;
        // Explicit partition mapping for unstable topology.
        Map<ClusterNode, IntArray> partsMap = null;
        // Explicit partitions mapping for query.
        Map<ClusterNode, IntArray> qryMap = null;
        // Partitions are not supported for queries over all replicated caches.
        if (parts != null) {
            boolean replicatedOnly = true;
            for (Integer cacheId : cacheIds) {
                if (!cacheContext(cacheId).isReplicated()) {
                    replicatedOnly = false;
                    break;
                }
            }
            if (replicatedOnly)
                throw new CacheException("Partitions are not supported for replicated caches");
        }
        if (qry.isLocal())
            nodes = singletonList(ctx.discovery().localNode());
        else {
            NodesForPartitionsResult nodesParts = nodesForPartitions(cacheIds, topVer, parts, isReplicatedOnly);
            nodes = nodesParts.nodes();
            partsMap = nodesParts.partitionsMap();
            qryMap = nodesParts.queryPartitionsMap();
            if (nodes == null)
                // Retry.
                continue;
            assert !nodes.isEmpty();
            if (isReplicatedOnly || qry.explain()) {
                ClusterNode locNode = ctx.discovery().localNode();
                // Always prefer local node if possible.
                if (nodes.contains(locNode))
                    nodes = singletonList(locNode);
                else {
                    // Select random data node to run query on a replicated data or
                    // get EXPLAIN PLAN from a single node.
                    nodes = singletonList(F.rand(nodes));
                }
            }
        }
        int tblIdx = 0;
        final boolean skipMergeTbl = !qry.explain() && qry.skipMergeTable();
        final int segmentsPerIndex = qry.explain() || isReplicatedOnly ? 1 : findFirstPartitioned(cacheIds).config().getQueryParallelism();
        int replicatedQrysCnt = 0;
        final Collection<ClusterNode> finalNodes = nodes;
        for (GridCacheSqlQuery mapQry : qry.mapQueries()) {
            GridMergeIndex idx;
            if (!skipMergeTbl) {
                GridMergeTable tbl;
                try {
                    tbl = createMergeTable(r.connection(), mapQry, qry.explain());
                } catch (IgniteCheckedException e) {
                    throw new IgniteException(e);
                }
                idx = tbl.getMergeIndex();
                fakeTable(r.connection(), tblIdx++).innerTable(tbl);
            } else
                idx = GridMergeIndexUnsorted.createDummy(ctx);
            // If the query has only replicated tables, we have to run it on a single node only.
            if (!mapQry.isPartitioned()) {
                ClusterNode node = F.rand(nodes);
                mapQry.node(node.id());
                replicatedQrysCnt++;
                // Replicated tables can have only 1 segment.
                idx.setSources(singletonList(node), 1);
            } else
                idx.setSources(nodes, segmentsPerIndex);
            idx.setPageSize(r.pageSize());
            r.indexes().add(idx);
        }
        r.latch(new CountDownLatch(isReplicatedOnly ? 1 : (r.indexes().size() - replicatedQrysCnt) * nodes.size() * segmentsPerIndex + replicatedQrysCnt));
        runs.put(qryReqId, r);
        boolean release = true;
        try {
            cancel.checkCancelled();
            if (ctx.clientDisconnected()) {
                throw new CacheException("Query was cancelled, client node disconnected.", new IgniteClientDisconnectedException(ctx.cluster().clientReconnectFuture(), "Client node disconnected."));
            }
            List<GridCacheSqlQuery> mapQrys = qry.mapQueries();
            if (qry.explain()) {
                mapQrys = new ArrayList<>(qry.mapQueries().size());
                for (GridCacheSqlQuery mapQry : qry.mapQueries()) mapQrys.add(new GridCacheSqlQuery("EXPLAIN " + mapQry.query()).parameterIndexes(mapQry.parameterIndexes()));
            }
            final boolean distributedJoins = qry.distributedJoins();
            cancel.set(new Runnable() {

                @Override
                public void run() {
                    send(finalNodes, new GridQueryCancelRequest(qryReqId), null, false);
                }
            });
            boolean retry = false;
            // Always enforce join order on map side to have consistent behavior.
            int flags = GridH2QueryRequest.FLAG_ENFORCE_JOIN_ORDER;
            if (distributedJoins)
                flags |= GridH2QueryRequest.FLAG_DISTRIBUTED_JOINS;
            if (qry.isLocal())
                flags |= GridH2QueryRequest.FLAG_IS_LOCAL;
            if (qry.explain())
                flags |= GridH2QueryRequest.FLAG_EXPLAIN;
            if (isReplicatedOnly)
                flags |= GridH2QueryRequest.FLAG_REPLICATED;
            if (lazy && mapQrys.size() == 1)
                flags |= GridH2QueryRequest.FLAG_LAZY;
            GridH2QueryRequest req = new GridH2QueryRequest().requestId(qryReqId).topologyVersion(topVer).pageSize(r.pageSize()).caches(qry.cacheIds()).tables(distributedJoins ? qry.tables() : null).partitions(convert(partsMap)).queries(mapQrys).parameters(params).flags(flags).timeout(timeoutMillis).schemaName(schemaName);
            if (send(nodes, req, parts == null ? null : new ExplicitPartitionsSpecializer(qryMap), false)) {
                awaitAllReplies(r, nodes, cancel);
                Object state = r.state();
                if (state != null) {
                    if (state instanceof CacheException) {
                        CacheException err = (CacheException) state;
                        if (err.getCause() instanceof IgniteClientDisconnectedException)
                            throw err;
                        if (wasCancelled(err))
                            // Throw correct exception.
                            throw new QueryCancelledException();
                        throw new CacheException("Failed to run map query remotely." + err.getMessage(), err);
                    }
                    if (state instanceof AffinityTopologyVersion) {
                        retry = true;
                        // If remote node asks us to retry then we have outdated full partition map.
                        h2.awaitForReadyTopologyVersion((AffinityTopologyVersion) state);
                    }
                }
            } else
                // Send failed.
                retry = true;
            Iterator<List<?>> resIter = null;
            if (!retry) {
                if (skipMergeTbl) {
                    resIter = new GridMergeIndexIterator(this, finalNodes, r, qryReqId, qry.distributedJoins());
                    release = false;
                } else {
                    cancel.checkCancelled();
                    UUID locNodeId = ctx.localNodeId();
                    H2Utils.setupConnection(r.connection(), false, enforceJoinOrder);
                    GridH2QueryContext.set(new GridH2QueryContext(locNodeId, locNodeId, qryReqId, REDUCE).pageSize(r.pageSize()).distributedJoinMode(OFF));
                    try {
                        if (qry.explain())
                            return explainPlan(r.connection(), qry, params);
                        GridCacheSqlQuery rdc = qry.reduceQuery();
                        ResultSet res = h2.executeSqlQueryWithTimer(r.connection(), rdc.query(), F.asList(rdc.parameters(params)), // The statement will cache some extra thread local objects.
                        false, timeoutMillis, cancel);
                        resIter = new H2FieldsIterator(res);
                    } finally {
                        GridH2QueryContext.clearThreadLocal();
                    }
                }
            }
            if (retry) {
                if (Thread.currentThread().isInterrupted())
                    throw new IgniteInterruptedCheckedException("Query was interrupted.");
                continue;
            }
            return new GridQueryCacheObjectsIterator(resIter, h2.objectContext(), keepBinary);
        } catch (IgniteCheckedException | RuntimeException e) {
            release = true;
            U.closeQuiet(r.connection());
            if (e instanceof CacheException) {
                if (wasCancelled((CacheException) e))
                    throw new CacheException("Failed to run reduce query locally.", new QueryCancelledException());
                throw (CacheException) e;
            }
            Throwable cause = e;
            if (e instanceof IgniteCheckedException) {
                Throwable disconnectedErr = ((IgniteCheckedException) e).getCause(IgniteClientDisconnectedException.class);
                if (disconnectedErr != null)
                    cause = disconnectedErr;
            }
            throw new CacheException("Failed to run reduce query locally.", cause);
        } finally {
            if (release) {
                releaseRemoteResources(finalNodes, r, qryReqId, qry.distributedJoins());
                if (!skipMergeTbl) {
                    for (int i = 0, mapQrys = qry.mapQueries().size(); i < mapQrys; i++) // Drop all merge tables.
                    fakeTable(null, i).innerTable(null);
                }
            }
        }
    }
}