Examples with MismatchingStoreIdException org.neo4j.kernel.impl.store.MismatchingStoreIdException used on opensource projects

Example 1 with MismatchingStoreIdException

use of org.neo4j.kernel.impl.store.MismatchingStoreIdException in project neo4j by neo4j.

the class SwitchToSlaveCopyThenBranchTest method shouldHandleBranchedStoreWhenMyStoreIdDiffersFromMasterStoreId.

@Test
@SuppressWarnings("unchecked")
public void shouldHandleBranchedStoreWhenMyStoreIdDiffersFromMasterStoreId() throws Throwable {
    // Given
    SwitchToSlaveCopyThenBranch switchToSlave = newSwitchToSlaveSpy();
    URI me = new URI("cluster://localhost?serverId=2");
    MasterClient masterClient = mock(MasterClient.class);
    Response<HandshakeResult> response = mock(Response.class);
    when(response.response()).thenReturn(new HandshakeResult(1, 2));
    when(masterClient.handshake(anyLong(), any(StoreId.class))).thenReturn(response);
    StoreId storeId = newStoreIdForCurrentVersion(1, 2, 3, 4);
    TransactionIdStore transactionIdStore = mock(TransactionIdStore.class);
    when(transactionIdStore.getLastCommittedTransaction()).thenReturn(new TransactionId(42, 42, 42));
    when(transactionIdStore.getLastCommittedTransactionId()).thenReturn(TransactionIdStore.BASE_TX_ID);
    // When
    try {
        switchToSlave.checkDataConsistency(masterClient, transactionIdStore, storeId, new URI("cluster://localhost?serverId=1"), me, CancellationRequest.NEVER_CANCELLED);
        fail("Should have thrown " + MismatchingStoreIdException.class.getSimpleName() + " exception");
    } catch (MismatchingStoreIdException e) {
    // good we got the expected exception
    }
    // Then
    verify(switchToSlave).stopServicesAndHandleBranchedStore(any(BranchedDataPolicy.class), any(URI.class), any(URI.class), any(CancellationRequest.class));
}

Example 2 with MismatchingStoreIdException

use of org.neo4j.kernel.impl.store.MismatchingStoreIdException in project neo4j by neo4j.

the class BackupTool method executeBackup.

BackupOutcome executeBackup(HostnamePort hostnamePort, File to, ConsistencyCheck consistencyCheck, Config config, long timeout, boolean forensics) throws ToolFailureException {
    try {
        systemOut.println("Performing backup from '" + hostnamePort + "'");
        String host = hostnamePort.getHost();
        int port = hostnamePort.getPort();
        BackupOutcome outcome = backupService.doIncrementalBackupOrFallbackToFull(host, port, to, consistencyCheck, config, timeout, forensics);
        systemOut.println("Done");
        return outcome;
    } catch (UnexpectedStoreVersionException e) {
        throw new ToolFailureException(e.getMessage(), e);
    } catch (MismatchingStoreIdException e) {
        throw new ToolFailureException(String.format(MISMATCHED_STORE_ID, e.getExpected(), e.getEncountered()));
    } catch (ComException e) {
        throw new ToolFailureException("Couldn't connect to '" + hostnamePort + "'", e);
    } catch (IncrementalBackupNotPossibleException e) {
        throw new ToolFailureException(e.getMessage(), e);
    }
}

Example 3 with MismatchingStoreIdException

use of org.neo4j.kernel.impl.store.MismatchingStoreIdException in project neo4j by neo4j.

the class SwitchToSlaveCopyThenBranch method checkDataConsistency.

void checkDataConsistency(MasterClient masterClient, TransactionIdStore txIdStore, StoreId storeId, URI masterUri, URI me, CancellationRequest cancellationRequest) throws Throwable {
    try {
        userLog.info("Checking store consistency with master");
        checkMyStoreIdAndMastersStoreId(storeId, masterUri, resolver);
        checkDataConsistencyWithMaster(masterUri, masterClient, storeId, txIdStore);
        userLog.info("Store is consistent");
    } catch (StoreUnableToParticipateInClusterException upe) {
        userLog.info("The store is inconsistent. Will treat it as branched and fetch a new one from the master");
        msgLog.warn("Current store is unable to participate in the cluster; fetching new store from master", upe);
        try {
            stopServicesAndHandleBranchedStore(config.get(HaSettings.branched_data_policy), masterUri, me, cancellationRequest);
        } catch (IOException e) {
            msgLog.warn("Failed while trying to handle branched data", e);
        }
        throw upe;
    } catch (MismatchingStoreIdException e) {
        userLog.info("The store does not represent the same database as master. Will remove and fetch a new one from " + "master");
        if (txIdStore.getLastCommittedTransactionId() == BASE_TX_ID) {
            msgLog.warn("Found and deleting empty store with mismatching store id", e);
            stopServicesAndHandleBranchedStore(BranchedDataPolicy.keep_none, masterUri, me, cancellationRequest);
            throw e;
        }
        msgLog.error("Store cannot participate in cluster due to mismatching store IDs", e);
        throw new ForeignStoreException(e.getExpected(), e.getEncountered());
    }
}

Example 4 with MismatchingStoreIdException

use of org.neo4j.kernel.impl.store.MismatchingStoreIdException in project neo4j by neo4j.

the class SwitchToSlave method checkMyStoreIdAndMastersStoreId.

void checkMyStoreIdAndMastersStoreId(StoreId myStoreId, URI masterUri, DependencyResolver resolver) {
    ClusterMembers clusterMembers = resolver.resolveDependency(ClusterMembers.class);
    InstanceId serverId = HighAvailabilityModeSwitcher.getServerId(masterUri);
    Iterable<ClusterMember> members = clusterMembers.getMembers();
    ClusterMember master = firstOrNull(filter(hasInstanceId(serverId), members));
    if (master == null) {
        throw new IllegalStateException("Cannot find the master among " + members + " with master serverId=" + serverId + " and uri=" + masterUri);
    }
    StoreId masterStoreId = master.getStoreId();
    if (!myStoreId.equals(masterStoreId)) {
        throw new MismatchingStoreIdException(myStoreId, master.getStoreId());
    } else if (!myStoreId.equalsByUpgradeId(master.getStoreId())) {
        throw new BranchedDataException("My store with " + myStoreId + " was updated independently from " + "master's store " + masterStoreId);
    }
}

Example 5 with MismatchingStoreIdException

use of org.neo4j.kernel.impl.store.MismatchingStoreIdException in project neo4j by neo4j.

the class SwitchToSlaveBranchThenCopyTest method shouldHandleBranchedStoreWhenMyStoreIdDiffersFromMasterStoreId.

@Test
@SuppressWarnings("unchecked")
public void shouldHandleBranchedStoreWhenMyStoreIdDiffersFromMasterStoreId() throws Throwable {
    // Given
    SwitchToSlaveBranchThenCopy switchToSlave = newSwitchToSlaveSpy();
    URI me = new URI("cluster://localhost?serverId=2");
    MasterClient masterClient = mock(MasterClient.class);
    Response<HandshakeResult> response = mock(Response.class);
    when(response.response()).thenReturn(new HandshakeResult(1, 2));
    when(masterClient.handshake(anyLong(), any(StoreId.class))).thenReturn(response);
    StoreId storeId = newStoreIdForCurrentVersion(1, 2, 3, 4);
    TransactionIdStore transactionIdStore = mock(TransactionIdStore.class);
    when(transactionIdStore.getLastCommittedTransaction()).thenReturn(new TransactionId(42, 42, 42));
    when(transactionIdStore.getLastCommittedTransactionId()).thenReturn(TransactionIdStore.BASE_TX_ID);
    // When
    try {
        switchToSlave.checkDataConsistency(masterClient, transactionIdStore, storeId, new URI("cluster://localhost?serverId=1"), me, CancellationRequest.NEVER_CANCELLED);
        fail("Should have thrown " + MismatchingStoreIdException.class.getSimpleName() + " exception");
    } catch (MismatchingStoreIdException e) {
    // good we got the expected exception
    }
    // Then
    verify(switchToSlave).stopServicesAndHandleBranchedStore(any(BranchedDataPolicy.class));
}