Examples with DatabaseStateService org.neo4j.dbms.DatabaseStateService used on opensource projects

Example 11 with DatabaseStateService

use of org.neo4j.dbms.DatabaseStateService in project neo4j by neo4j.

the class RecoveryCorruptedTransactionLogIT method failToRecoverFirstCorruptedTransactionSingleFileNoCheckpointIfFailOnCorruptionVersion.

@Test
void failToRecoverFirstCorruptedTransactionSingleFileNoCheckpointIfFailOnCorruptionVersion() throws IOException {
    addCorruptedCommandsToLastLogFile(new CorruptedLogEntryVersionWrapper());
    DatabaseManagementService managementService = databaseFactory.build();
    GraphDatabaseAPI db = (GraphDatabaseAPI) managementService.database(DEFAULT_DATABASE_NAME);
    try {
        DatabaseStateService dbStateService = db.getDependencyResolver().resolveDependency(DatabaseStateService.class);
        assertTrue(dbStateService.causeOfFailure(db.databaseId()).isPresent());
        assertThat(dbStateService.causeOfFailure(db.databaseId()).get()).hasRootCauseInstanceOf(UnsupportedLogVersionException.class);
    } finally {
        managementService.shutdown();
    }
}

Example 12 with DatabaseStateService

use of org.neo4j.dbms.DatabaseStateService in project neo4j by neo4j.

the class RecoveryIT method failRecoveryWithMissingStoreFileAndIdFile.

@Test
void failRecoveryWithMissingStoreFileAndIdFile() throws Exception {
    GraphDatabaseAPI database = createDatabase();
    generateSomeData(database);
    DatabaseLayout layout = database.databaseLayout();
    managementService.shutdown();
    // Recovery should not be attempted on any store with missing store files, even if other recoverable files are missing as well.
    fileSystem.deleteFileOrThrow(layout.nodeStore());
    fileSystem.deleteFileOrThrow(layout.idLabelTokenStore());
    GraphDatabaseAPI restartedDb = createDatabase();
    try {
        DatabaseStateService dbStateService = restartedDb.getDependencyResolver().resolveDependency(DatabaseStateService.class);
        var failure = dbStateService.causeOfFailure(restartedDb.databaseId());
        assertTrue(failure.isPresent());
        assertThat(failure.get().getCause()).hasMessageContainingAll("neostore.nodestore.db", "is(are) missing and recovery is not possible");
    } finally {
        managementService.shutdown();
    }
}

Example 13 with DatabaseStateService

use of org.neo4j.dbms.DatabaseStateService in project neo4j by neo4j.

the class RecoveryIT method failRecoveryWithMissingStoreFile.

@Test
void failRecoveryWithMissingStoreFile() throws Exception {
    GraphDatabaseAPI database = createDatabase();
    generateSomeData(database);
    DatabaseLayout layout = database.databaseLayout();
    managementService.shutdown();
    fileSystem.deleteFileOrThrow(layout.nodeStore());
    GraphDatabaseAPI restartedDb = createDatabase();
    try {
        DatabaseStateService dbStateService = restartedDb.getDependencyResolver().resolveDependency(DatabaseStateService.class);
        var failure = dbStateService.causeOfFailure(restartedDb.databaseId());
        assertTrue(failure.isPresent());
        assertThat(failure.get().getCause()).hasMessageContainingAll("neostore.nodestore.db", "is(are) missing and recovery is not possible");
    } finally {
        managementService.shutdown();
    }
}

Example 14 with DatabaseStateService

use of org.neo4j.dbms.DatabaseStateService in project neo4j by neo4j.

the class DatabaseStartupTest method startTheDatabaseWithWrongVersionShouldFailAlsoWhenUpgradeIsAllowed.

@Test
void startTheDatabaseWithWrongVersionShouldFailAlsoWhenUpgradeIsAllowed() throws Throwable {
    // given
    // create a store
    DatabaseManagementService managementService = new TestDatabaseManagementServiceBuilder(databaseLayout).build();
    GraphDatabaseService db = managementService.database(DEFAULT_DATABASE_NAME);
    try (Transaction tx = db.beginTx()) {
        tx.createNode();
        tx.commit();
    }
    managementService.shutdown();
    // mess up the version in the metadatastore
    String badStoreVersion = "bad";
    try (FileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction();
        ThreadPoolJobScheduler scheduler = new ThreadPoolJobScheduler();
        PageCache pageCache = createPageCache(fileSystem, scheduler, PageCacheTracer.NULL)) {
        MetaDataStore.setRecord(pageCache, databaseLayout.metadataStore(), MetaDataStore.Position.STORE_VERSION, MetaDataStore.versionStringToLong(badStoreVersion), databaseLayout.getDatabaseName(), NULL);
    }
    managementService = new TestDatabaseManagementServiceBuilder(databaseLayout).setConfig(GraphDatabaseSettings.allow_upgrade, true).build();
    GraphDatabaseAPI databaseService = (GraphDatabaseAPI) managementService.database(DEFAULT_DATABASE_NAME);
    try {
        assertThrows(DatabaseShutdownException.class, databaseService::beginTx);
        DatabaseStateService dbStateService = databaseService.getDependencyResolver().resolveDependency(DatabaseStateService.class);
        assertTrue(dbStateService.causeOfFailure(databaseService.databaseId()).isPresent());
        Optional<Throwable> upgradeException = findCauseOrSuppressed(dbStateService.causeOfFailure(databaseService.databaseId()).get(), e -> e instanceof StoreUpgrader.UnexpectedUpgradingStoreVersionException);
        assertTrue(upgradeException.isPresent());
    } finally {
        managementService.shutdown();
    }
}

Example 15 with DatabaseStateService

use of org.neo4j.dbms.DatabaseStateService in project neo4j by neo4j.

the class DatabaseStartupTest method startDatabaseWithWrongTransactionFilesShouldFail.

@Test
void startDatabaseWithWrongTransactionFilesShouldFail() throws IOException {
    // Create a store
    DatabaseManagementService managementService = new TestDatabaseManagementServiceBuilder(databaseLayout).build();
    GraphDatabaseAPI db = (GraphDatabaseAPI) managementService.database(DEFAULT_DATABASE_NAME);
    DatabaseLayout databaseLayout = db.databaseLayout();
    try (Transaction tx = db.beginTx()) {
        tx.createNode();
        tx.commit();
    }
    managementService.shutdown();
    // Change store id component
    try (FileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction();
        ThreadPoolJobScheduler scheduler = new ThreadPoolJobScheduler();
        PageCache pageCache = createPageCache(fileSystem, scheduler, PageCacheTracer.NULL)) {
        long newTime = System.currentTimeMillis() + 1;
        MetaDataStore.setRecord(pageCache, databaseLayout.metadataStore(), MetaDataStore.Position.TIME, newTime, databaseLayout.getDatabaseName(), NULL);
    }
    // Try to start
    managementService = new TestDatabaseManagementServiceBuilder(databaseLayout).build();
    try {
        db = (GraphDatabaseAPI) managementService.database(DEFAULT_DATABASE_NAME);
        assertFalse(db.isAvailable(10));
        DatabaseStateService dbStateService = db.getDependencyResolver().resolveDependency(DatabaseStateService.class);
        Optional<Throwable> cause = dbStateService.causeOfFailure(db.databaseId());
        assertTrue(cause.isPresent());
        assertTrue(cause.get().getCause().getMessage().contains("Mismatching store id"));
    } finally {
        managementService.shutdown();
    }
}