Examples with UPDATE org.apache.ignite.internal.processors.cache.GridCacheOperation.UPDATE used on opensource projects

Example 1 with UPDATE

use of org.apache.ignite.internal.processors.cache.GridCacheOperation.UPDATE in project ignite by apache.

the class IgniteTxLocalAdapter method userCommit.

/**
 * {@inheritDoc}
 */
@Override
public void userCommit() throws IgniteCheckedException {
    TransactionState state = state();
    if (state != COMMITTING) {
        if (remainingTime() == -1)
            throw new IgniteTxTimeoutCheckedException("Transaction timed out: " + this);
        setRollbackOnly();
        throw new IgniteCheckedException("Invalid transaction state for commit [state=" + state + ", tx=" + this + ']');
    }
    checkValid();
    Collection<IgniteTxEntry> commitEntries = (near() || cctx.snapshot().needTxReadLogging()) ? allEntries() : writeEntries();
    boolean empty = F.isEmpty(commitEntries) && !queryEnlisted();
    // locks on backup nodes.
    if (!empty || colocated())
        cctx.tm().addCommittedTx(this);
    if (!empty) {
        batchStoreCommit(writeEntries());
        WALPointer ptr = null;
        IgniteCheckedException err = null;
        cctx.database().checkpointReadLock();
        try {
            cctx.tm().txContext(this);
            AffinityTopologyVersion topVer = topologyVersion();
            TxCounters txCounters = txCounters(false);
            /*
                 * Commit to cache. Note that for 'near' transaction we loop through all the entries.
                 */
            for (IgniteTxEntry txEntry : commitEntries) {
                GridCacheContext cacheCtx = txEntry.context();
                GridDrType drType = cacheCtx.isDrEnabled() ? DR_PRIMARY : DR_NONE;
                UUID nodeId = txEntry.nodeId() == null ? this.nodeId : txEntry.nodeId();
                while (true) {
                    try {
                        GridCacheEntryEx cached = txEntry.cached();
                        // transaction manager to make sure locks are held.
                        if (!evictNearEntry(txEntry, false)) {
                            if (cacheCtx.isNear() && cacheCtx.dr().receiveEnabled()) {
                                cached.markObsolete(xidVer);
                                break;
                            }
                            if (cached.detached())
                                break;
                            boolean updateNearCache = updateNearCache(cacheCtx, txEntry.key(), topVer);
                            boolean metrics = true;
                            if (!updateNearCache && cacheCtx.isNear() && txEntry.locallyMapped())
                                metrics = false;
                            boolean evt = !isNearLocallyMapped(txEntry, false);
                            if (!F.isEmpty(txEntry.entryProcessors()) || !F.isEmpty(txEntry.filters()))
                                txEntry.cached().unswap(false);
                            IgniteBiTuple<GridCacheOperation, CacheObject> res = applyTransformClosures(txEntry, true, null);
                            GridCacheVersion dhtVer = null;
                            // backup remote transaction completes.
                            if (cacheCtx.isNear()) {
                                if (txEntry.op() == CREATE || txEntry.op() == UPDATE || txEntry.op() == DELETE || txEntry.op() == TRANSFORM)
                                    dhtVer = txEntry.dhtVersion();
                                if ((txEntry.op() == CREATE || txEntry.op() == UPDATE) && txEntry.conflictExpireTime() == CU.EXPIRE_TIME_CALCULATE) {
                                    ExpiryPolicy expiry = cacheCtx.expiryForTxEntry(txEntry);
                                    if (expiry != null) {
                                        txEntry.cached().unswap(false);
                                        Duration duration = cached.hasValue() ? expiry.getExpiryForUpdate() : expiry.getExpiryForCreation();
                                        txEntry.ttl(CU.toTtl(duration));
                                    }
                                }
                            }
                            GridCacheOperation op = res.get1();
                            CacheObject val = res.get2();
                            // Deal with conflicts.
                            GridCacheVersion explicitVer = txEntry.conflictVersion() != null ? txEntry.conflictVersion() : writeVersion();
                            if ((op == CREATE || op == UPDATE) && txEntry.conflictExpireTime() == CU.EXPIRE_TIME_CALCULATE) {
                                ExpiryPolicy expiry = cacheCtx.expiryForTxEntry(txEntry);
                                if (expiry != null) {
                                    Duration duration = cached.hasValue() ? expiry.getExpiryForUpdate() : expiry.getExpiryForCreation();
                                    long ttl = CU.toTtl(duration);
                                    txEntry.ttl(ttl);
                                    if (ttl == CU.TTL_ZERO)
                                        op = DELETE;
                                }
                            }
                            boolean conflictNeedResolve = cacheCtx.conflictNeedResolve();
                            GridCacheVersionConflictContext<?, ?> conflictCtx = null;
                            if (conflictNeedResolve) {
                                IgniteBiTuple<GridCacheOperation, GridCacheVersionConflictContext> conflictRes = conflictResolve(op, txEntry, val, explicitVer, cached);
                                assert conflictRes != null;
                                conflictCtx = conflictRes.get2();
                                if (conflictCtx.isUseOld())
                                    op = NOOP;
                                else if (conflictCtx.isUseNew()) {
                                    txEntry.ttl(conflictCtx.ttl());
                                    txEntry.conflictExpireTime(conflictCtx.expireTime());
                                } else {
                                    assert conflictCtx.isMerge();
                                    op = conflictRes.get1();
                                    val = txEntry.context().toCacheObject(conflictCtx.mergeValue());
                                    explicitVer = writeVersion();
                                    txEntry.ttl(conflictCtx.ttl());
                                    txEntry.conflictExpireTime(conflictCtx.expireTime());
                                }
                            } else
                                // Nullify explicit version so that innerSet/innerRemove will work as usual.
                                explicitVer = null;
                            if (sndTransformedVals || conflictNeedResolve) {
                                assert sndTransformedVals && cacheCtx.isReplicated() || conflictNeedResolve;
                                txEntry.value(val, true, false);
                                txEntry.op(op);
                                txEntry.entryProcessors(null);
                                txEntry.conflictVersion(explicitVer);
                            }
                            if (dhtVer == null)
                                dhtVer = explicitVer != null ? explicitVer : writeVersion();
                            if (op == CREATE || op == UPDATE) {
                                assert val != null : txEntry;
                                GridCacheUpdateTxResult updRes = cached.innerSet(this, eventNodeId(), txEntry.nodeId(), val, false, false, txEntry.ttl(), evt, metrics, txEntry.keepBinary(), txEntry.hasOldValue(), txEntry.oldValue(), topVer, null, cached.detached() ? DR_NONE : drType, txEntry.conflictExpireTime(), cached.isNear() ? null : explicitVer, resolveTaskName(), dhtVer, null);
                                if (updRes.success())
                                    txEntry.updateCounter(updRes.updateCounter());
                                if (updRes.loggedPointer() != null)
                                    ptr = updRes.loggedPointer();
                                if (updRes.success() && updateNearCache) {
                                    final CacheObject val0 = val;
                                    final boolean metrics0 = metrics;
                                    final GridCacheVersion dhtVer0 = dhtVer;
                                    updateNearEntrySafely(cacheCtx, txEntry.key(), entry -> entry.innerSet(null, eventNodeId(), nodeId, val0, false, false, txEntry.ttl(), false, metrics0, txEntry.keepBinary(), txEntry.hasOldValue(), txEntry.oldValue(), topVer, CU.empty0(), DR_NONE, txEntry.conflictExpireTime(), null, resolveTaskName(), dhtVer0, null));
                                }
                            } else if (op == DELETE) {
                                GridCacheUpdateTxResult updRes = cached.innerRemove(this, eventNodeId(), txEntry.nodeId(), false, evt, metrics, txEntry.keepBinary(), txEntry.hasOldValue(), txEntry.oldValue(), topVer, null, cached.detached() ? DR_NONE : drType, cached.isNear() ? null : explicitVer, resolveTaskName(), dhtVer, null);
                                if (updRes.success())
                                    txEntry.updateCounter(updRes.updateCounter());
                                if (updRes.loggedPointer() != null)
                                    ptr = updRes.loggedPointer();
                                if (updRes.success() && updateNearCache) {
                                    final boolean metrics0 = metrics;
                                    final GridCacheVersion dhtVer0 = dhtVer;
                                    updateNearEntrySafely(cacheCtx, txEntry.key(), entry -> entry.innerRemove(null, eventNodeId(), nodeId, false, false, metrics0, txEntry.keepBinary(), txEntry.hasOldValue(), txEntry.oldValue(), topVer, CU.empty0(), DR_NONE, null, resolveTaskName(), dhtVer0, null));
                                }
                            } else if (op == RELOAD) {
                                cached.innerReload();
                                if (updateNearCache)
                                    updateNearEntrySafely(cacheCtx, txEntry.key(), entry -> entry.innerReload());
                            } else if (op == READ) {
                                CacheGroupContext grp = cacheCtx.group();
                                if (grp.persistenceEnabled() && grp.walEnabled() && cctx.snapshot().needTxReadLogging()) {
                                    ptr = cctx.wal().log(new DataRecord(new DataEntry(cacheCtx.cacheId(), txEntry.key(), val, op, nearXidVersion(), writeVersion(), 0, txEntry.key().partition(), txEntry.updateCounter(), DataEntry.flags(CU.txOnPrimary(this)))));
                                }
                                ExpiryPolicy expiry = cacheCtx.expiryForTxEntry(txEntry);
                                if (expiry != null) {
                                    Duration duration = expiry.getExpiryForAccess();
                                    if (duration != null)
                                        cached.updateTtl(null, CU.toTtl(duration));
                                }
                                if (log.isDebugEnabled())
                                    log.debug("Ignoring READ entry when committing: " + txEntry);
                            } else {
                                assert ownsLock(txEntry.cached()) : "Transaction does not own lock for group lock entry during  commit [tx=" + this + ", txEntry=" + txEntry + ']';
                                if (conflictCtx == null || !conflictCtx.isUseOld()) {
                                    if (txEntry.ttl() != CU.TTL_NOT_CHANGED)
                                        cached.updateTtl(null, txEntry.ttl());
                                }
                                if (log.isDebugEnabled())
                                    log.debug("Ignoring NOOP entry when committing: " + txEntry);
                            }
                        }
                        // if an entry is obsolete).
                        if (txEntry.op() != READ)
                            checkCommitLocks(cached);
                        // Break out of while loop.
                        break;
                    }// If entry cached within transaction got removed.
                     catch (GridCacheEntryRemovedException ignored) {
                        if (log.isDebugEnabled())
                            log.debug("Got removed entry during transaction commit (will retry): " + txEntry);
                        txEntry.cached(entryEx(cacheCtx, txEntry.txKey(), topologyVersion()));
                    }
                }
            }
            if (!txState.mvccEnabled() && txCounters != null) {
                cctx.tm().txHandler().applyPartitionsUpdatesCounters(txCounters.updateCounters());
                for (IgniteTxEntry entry : commitEntries) {
                    if (entry.cqNotifyClosure() != null)
                        entry.cqNotifyClosure().applyx();
                }
            }
            // Apply cache sizes only for primary nodes. Update counters were applied on prepare state.
            applyTxSizes();
            cctx.mvccCaching().onTxFinished(this, true);
            if (ptr != null)
                cctx.wal().flush(ptr, false);
        } catch (Throwable ex) {
            // We are about to initiate transaction rollback when tx has started to committing.
            // Need to remove version from committed list.
            cctx.tm().removeCommittedTx(this);
            if (X.hasCause(ex, NodeStoppingException.class)) {
                U.warn(log, "Failed to commit transaction, node is stopping [tx=" + CU.txString(this) + ", err=" + ex + ']');
                boolean persistenceEnabled = CU.isPersistenceEnabled(cctx.kernalContext().config());
                if (persistenceEnabled) {
                    GridCacheDatabaseSharedManager dbManager = (GridCacheDatabaseSharedManager) cctx.database();
                    dbManager.getCheckpointer().skipCheckpointOnNodeStop(true);
                }
                throw ex;
            }
            err = heuristicException(ex);
            COMMIT_ERR_UPD.compareAndSet(this, null, err);
            state(UNKNOWN);
            try {
                uncommit();
            } catch (Throwable e) {
                err.addSuppressed(e);
            }
            throw err;
        } finally {
            cctx.database().checkpointReadUnlock();
            cctx.tm().resetContext();
        }
    }
    // Do not unlock transaction entries if one-phase commit.
    if (!onePhaseCommit()) {
        if (DONE_FLAG_UPD.compareAndSet(this, 0, 1)) {
            // Unlock all locks.
            cctx.tm().commitTx(this);
            boolean needsCompletedVersions = needsCompletedVersions();
            assert !needsCompletedVersions || completedBase != null;
            assert !needsCompletedVersions || committedVers != null;
            assert !needsCompletedVersions || rolledbackVers != null;
        }
    }
}

Example 2 with UPDATE

use of org.apache.ignite.internal.processors.cache.GridCacheOperation.UPDATE in project ignite by apache.

the class GridDistributedTxRemoteAdapter method commitIfLocked.

/**
 * @throws IgniteCheckedException If commit failed.
 */
private void commitIfLocked() throws IgniteCheckedException {
    if (state() == COMMITTING) {
        for (IgniteTxEntry txEntry : writeEntries()) {
            assert txEntry != null : "Missing transaction entry for tx: " + this;
            while (true) {
                GridCacheEntryEx entry = txEntry.cached();
                assert entry != null : "Missing cached entry for transaction entry: " + txEntry;
                try {
                    GridCacheVersion ver = txEntry.explicitVersion() != null ? txEntry.explicitVersion() : xidVer;
                    // If locks haven't been acquired yet, keep waiting.
                    if (!entry.lockedBy(ver)) {
                        if (log.isDebugEnabled())
                            log.debug("Transaction does not own lock for entry (will wait) [entry=" + entry + ", tx=" + this + ']');
                        return;
                    }
                    // While.
                    break;
                } catch (GridCacheEntryRemovedException ignore) {
                    if (log.isDebugEnabled())
                        log.debug("Got removed entry while committing (will retry): " + txEntry);
                    try {
                        txEntry.cached(txEntry.context().cache().entryEx(txEntry.key(), topologyVersion()));
                    } catch (GridDhtInvalidPartitionException e) {
                        break;
                    }
                }
            }
        }
        // Only one thread gets to commit.
        if (COMMIT_ALLOWED_UPD.compareAndSet(this, 0, 1)) {
            IgniteCheckedException err = null;
            Map<IgniteTxKey, IgniteTxEntry> writeMap = txState.writeMap();
            GridCacheReturnCompletableWrapper wrapper = null;
            if (!F.isEmpty(writeMap) || mvccSnapshot != null) {
                GridCacheReturn ret = null;
                if (!near() && !local() && onePhaseCommit()) {
                    if (needReturnValue()) {
                        ret = new GridCacheReturn(null, cctx.localNodeId().equals(otherNodeId()), true, null, null, true);
                        // Originating node.
                        UUID origNodeId = otherNodeId();
                        cctx.tm().addCommittedTxReturn(this, wrapper = new GridCacheReturnCompletableWrapper(!cctx.localNodeId().equals(origNodeId) ? origNodeId : null));
                    } else
                        cctx.tm().addCommittedTx(this, this.nearXidVersion(), null);
                }
                // Register this transaction as completed prior to write-phase to
                // ensure proper lock ordering for removed entries.
                cctx.tm().addCommittedTx(this);
                AffinityTopologyVersion topVer = topologyVersion();
                WALPointer ptr = null;
                cctx.database().checkpointReadLock();
                // Reserved partitions (necessary to prevent race due to updates in RENTING state).
                Set<GridDhtLocalPartition> reservedParts = new HashSet<>();
                try {
                    assert !txState.mvccEnabled() || mvccSnapshot != null : "Mvcc is not initialized: " + this;
                    Collection<IgniteTxEntry> entries = near() || cctx.snapshot().needTxReadLogging() ? allEntries() : writeEntries();
                    // Data entry to write to WAL and associated with it TxEntry.
                    List<T2<DataEntry, IgniteTxEntry>> dataEntries = null;
                    batchStoreCommit(writeMap().values());
                    // Node that for near transactions we grab all entries.
                    for (IgniteTxEntry txEntry : entries) {
                        GridCacheContext cacheCtx = txEntry.context();
                        // Prevent stale updates.
                        GridDhtLocalPartition locPart = cacheCtx.group().topology().localPartition(txEntry.cached().partition());
                        if (!near()) {
                            if (locPart == null)
                                continue;
                            if (!reservedParts.contains(locPart) && locPart.reserve()) {
                                assert locPart.state() != EVICTED && locPart.reservations() > 0 : locPart;
                                reservedParts.add(locPart);
                            }
                            if (locPart.state() == RENTING || locPart.state() == EVICTED) {
                                LT.warn(log(), "Skipping update to partition that is concurrently evicting " + "[grp=" + cacheCtx.group().cacheOrGroupName() + ", part=" + locPart + "]");
                                continue;
                            }
                        }
                        boolean replicate = cacheCtx.isDrEnabled();
                        while (true) {
                            try {
                                GridCacheEntryEx cached = txEntry.cached();
                                if (cached == null)
                                    txEntry.cached(cached = cacheCtx.cache().entryEx(txEntry.key(), topologyVersion()));
                                if (near() && cacheCtx.dr().receiveEnabled()) {
                                    cached.markObsolete(xidVer);
                                    break;
                                }
                                GridNearCacheEntry nearCached = null;
                                if (updateNearCache(cacheCtx, txEntry.key(), topVer))
                                    nearCached = cacheCtx.dht().near().peekExx(txEntry.key());
                                if (!F.isEmpty(txEntry.entryProcessors()))
                                    txEntry.cached().unswap(false);
                                IgniteBiTuple<GridCacheOperation, CacheObject> res = applyTransformClosures(txEntry, false, ret);
                                GridCacheOperation op = res.get1();
                                CacheObject val = res.get2();
                                GridCacheVersion explicitVer = txEntry.conflictVersion();
                                if (explicitVer == null)
                                    explicitVer = writeVersion();
                                if (txEntry.ttl() == CU.TTL_ZERO)
                                    op = DELETE;
                                boolean conflictNeedResolve = cacheCtx.conflictNeedResolve();
                                GridCacheVersionConflictContext conflictCtx = null;
                                if (conflictNeedResolve) {
                                    IgniteBiTuple<GridCacheOperation, GridCacheVersionConflictContext> drRes = conflictResolve(op, txEntry, val, explicitVer, cached);
                                    assert drRes != null;
                                    conflictCtx = drRes.get2();
                                    if (conflictCtx.isUseOld())
                                        op = NOOP;
                                    else if (conflictCtx.isUseNew()) {
                                        txEntry.ttl(conflictCtx.ttl());
                                        txEntry.conflictExpireTime(conflictCtx.expireTime());
                                    } else if (conflictCtx.isMerge()) {
                                        op = drRes.get1();
                                        val = txEntry.context().toCacheObject(conflictCtx.mergeValue());
                                        explicitVer = writeVersion();
                                        txEntry.ttl(conflictCtx.ttl());
                                        txEntry.conflictExpireTime(conflictCtx.expireTime());
                                    }
                                } else
                                    // Nullify explicit version so that innerSet/innerRemove will work as usual.
                                    explicitVer = null;
                                GridCacheVersion dhtVer = cached.isNear() ? writeVersion() : null;
                                if (!near() && cacheCtx.group().persistenceEnabled() && cacheCtx.group().walEnabled() && op != NOOP && op != RELOAD && (op != READ || cctx.snapshot().needTxReadLogging())) {
                                    if (dataEntries == null)
                                        dataEntries = new ArrayList<>(entries.size());
                                    dataEntries.add(new T2<>(new DataEntry(cacheCtx.cacheId(), txEntry.key(), val, op, nearXidVersion(), addConflictVersion(writeVersion(), txEntry.conflictVersion()), 0, txEntry.key().partition(), txEntry.updateCounter(), DataEntry.flags(CU.txOnPrimary(this))), txEntry));
                                }
                                if (op == CREATE || op == UPDATE) {
                                    // Invalidate only for near nodes (backups cannot be invalidated).
                                    if (isSystemInvalidate() || (isInvalidate() && cacheCtx.isNear()))
                                        cached.innerRemove(this, eventNodeId(), nodeId, false, true, true, txEntry.keepBinary(), txEntry.hasOldValue(), txEntry.oldValue(), topVer, null, replicate ? DR_BACKUP : DR_NONE, near() ? null : explicitVer, resolveTaskName(), dhtVer, txEntry.updateCounter());
                                    else {
                                        assert val != null : txEntry;
                                        GridCacheUpdateTxResult updRes = cached.innerSet(this, eventNodeId(), nodeId, val, false, false, txEntry.ttl(), true, true, txEntry.keepBinary(), txEntry.hasOldValue(), txEntry.oldValue(), topVer, null, replicate ? DR_BACKUP : DR_NONE, txEntry.conflictExpireTime(), near() ? null : explicitVer, resolveTaskName(), dhtVer, txEntry.updateCounter());
                                        txEntry.updateCounter(updRes.updateCounter());
                                        if (updRes.loggedPointer() != null)
                                            ptr = updRes.loggedPointer();
                                        // Keep near entry up to date.
                                        if (nearCached != null) {
                                            CacheObject val0 = cached.valueBytes();
                                            nearCached.updateOrEvict(xidVer, val0, cached.expireTime(), cached.ttl(), nodeId, topVer);
                                        }
                                    }
                                } else if (op == DELETE) {
                                    GridCacheUpdateTxResult updRes = cached.innerRemove(this, eventNodeId(), nodeId, false, true, true, txEntry.keepBinary(), txEntry.hasOldValue(), txEntry.oldValue(), topVer, null, replicate ? DR_BACKUP : DR_NONE, near() ? null : explicitVer, resolveTaskName(), dhtVer, txEntry.updateCounter());
                                    txEntry.updateCounter(updRes.updateCounter());
                                    if (updRes.loggedPointer() != null)
                                        ptr = updRes.loggedPointer();
                                    // Keep near entry up to date.
                                    if (nearCached != null)
                                        nearCached.updateOrEvict(xidVer, null, 0, 0, nodeId, topVer);
                                } else if (op == RELOAD) {
                                    CacheObject reloaded = cached.innerReload();
                                    if (nearCached != null) {
                                        nearCached.innerReload();
                                        nearCached.updateOrEvict(cached.version(), reloaded, cached.expireTime(), cached.ttl(), nodeId, topVer);
                                    }
                                } else if (op == READ) {
                                    assert near();
                                    if (log.isDebugEnabled())
                                        log.debug("Ignoring READ entry when committing: " + txEntry);
                                } else // No-op.
                                {
                                    if (conflictCtx == null || !conflictCtx.isUseOld()) {
                                        if (txEntry.ttl() != CU.TTL_NOT_CHANGED)
                                            cached.updateTtl(null, txEntry.ttl());
                                        if (nearCached != null) {
                                            CacheObject val0 = cached.valueBytes();
                                            nearCached.updateOrEvict(xidVer, val0, cached.expireTime(), cached.ttl(), nodeId, topVer);
                                        }
                                    }
                                }
                                // that if we replaced removed entries.
                                assert txEntry.op() == READ || onePhaseCommit() || // and we simply allow the commit to proceed.
                                !cached.hasLockCandidateUnsafe(xidVer) || cached.lockedByUnsafe(xidVer) : "Transaction does not own lock for commit [entry=" + cached + ", tx=" + this + ']';
                                // Break out of while loop.
                                break;
                            } catch (GridCacheEntryRemovedException ignored) {
                                if (log.isDebugEnabled())
                                    log.debug("Attempting to commit a removed entry (will retry): " + txEntry);
                                // Renew cached entry.
                                txEntry.cached(cacheCtx.cache().entryEx(txEntry.key(), topologyVersion()));
                            }
                        }
                    }
                    // Apply cache size deltas.
                    applyTxSizes();
                    TxCounters txCntrs = txCounters(false);
                    // Apply update counters.
                    if (txCntrs != null)
                        cctx.tm().txHandler().applyPartitionsUpdatesCounters(txCntrs.updateCounters());
                    cctx.mvccCaching().onTxFinished(this, true);
                    if (!near() && !F.isEmpty(dataEntries) && cctx.wal() != null) {
                        // Set new update counters for data entries received from persisted tx entries.
                        List<DataEntry> entriesWithCounters = dataEntries.stream().map(tuple -> tuple.get1().partitionCounter(tuple.get2().updateCounter())).collect(Collectors.toList());
                        ptr = cctx.wal().log(new DataRecord(entriesWithCounters));
                    }
                    if (ptr != null)
                        cctx.wal().flush(ptr, false);
                } catch (Throwable ex) {
                    state(UNKNOWN);
                    if (X.hasCause(ex, NodeStoppingException.class)) {
                        U.warn(log, "Failed to commit transaction, node is stopping [tx=" + CU.txString(this) + ", err=" + ex + ']');
                        return;
                    }
                    err = heuristicException(ex);
                    try {
                        uncommit();
                    } catch (Throwable e) {
                        err.addSuppressed(e);
                    }
                    throw err;
                } finally {
                    for (GridDhtLocalPartition locPart : reservedParts) locPart.release();
                    cctx.database().checkpointReadUnlock();
                    if (wrapper != null)
                        wrapper.initialize(ret);
                }
            }
            cctx.tm().commitTx(this);
            state(COMMITTED);
        }
    }
}