Examples with LowMemoryException org.apache.geode.cache.LowMemoryException used on opensource projects

Example 16 with LowMemoryException

use of org.apache.geode.cache.LowMemoryException in project geode by apache.

the class ExecuteFunction66 method cmdExecute.

@Override
public void cmdExecute(Message clientMessage, ServerConnection servConn, long start) throws IOException {
    Object function = null;
    Object args = null;
    MemberMappedArgument memberMappedArg = null;
    String[] groups = null;
    byte hasResult = 0;
    byte functionState = 0;
    boolean isReexecute = false;
    boolean allMembers = false;
    boolean ignoreFailedMembers = false;
    int functionTimeout = ConnectionImpl.DEFAULT_CLIENT_FUNCTION_TIMEOUT;
    try {
        byte[] bytes = clientMessage.getPart(0).getSerializedForm();
        functionState = bytes[0];
        if (bytes.length >= 5 && servConn.getClientVersion().ordinal() >= Version.GFE_8009.ordinal()) {
            functionTimeout = Part.decodeInt(bytes, 1);
        }
        if (functionState == AbstractExecution.HA_HASRESULT_NO_OPTIMIZEFORWRITE_REEXECUTE) {
            functionState = AbstractExecution.HA_HASRESULT_NO_OPTIMIZEFORWRITE;
            isReexecute = true;
        } else if (functionState == AbstractExecution.HA_HASRESULT_OPTIMIZEFORWRITE_REEXECUTE) {
            functionState = AbstractExecution.HA_HASRESULT_OPTIMIZEFORWRITE;
            isReexecute = true;
        }
        if (functionState != 1) {
            hasResult = (byte) ((functionState & 2) - 1);
        } else {
            hasResult = functionState;
        }
        if (hasResult == 1) {
            servConn.setAsTrue(REQUIRES_RESPONSE);
            servConn.setAsTrue(REQUIRES_CHUNKED_RESPONSE);
        }
        function = clientMessage.getPart(1).getStringOrObject();
        args = clientMessage.getPart(2).getObject();
        Part part = clientMessage.getPart(3);
        if (part != null) {
            memberMappedArg = (MemberMappedArgument) part.getObject();
        }
        groups = getGroups(clientMessage);
        allMembers = getAllMembers(clientMessage);
        ignoreFailedMembers = getIgnoreFailedMembers(clientMessage);
    } catch (ClassNotFoundException exception) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), exception);
        if (hasResult == 1) {
            writeChunkedException(clientMessage, exception, servConn);
        } else {
            writeException(clientMessage, exception, false, servConn);
        }
        servConn.setAsTrue(RESPONDED);
        return;
    }
    if (function == null) {
        final String message = LocalizedStrings.ExecuteFunction_THE_INPUT_FUNCTION_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL.toLocalizedString();
        logger.warn(LocalizedMessage.create(LocalizedStrings.TWO_ARG_COLON, new Object[] { servConn.getName(), message }));
        sendError(hasResult, clientMessage, message, servConn);
        return;
    }
    // Execute function on the cache
    try {
        Function functionObject = null;
        if (function instanceof String) {
            functionObject = FunctionService.getFunction((String) function);
            if (functionObject == null) {
                final String message = LocalizedStrings.ExecuteFunction_FUNCTION_NAMED_0_IS_NOT_REGISTERED.toLocalizedString(function);
                logger.warn("{}: {}", servConn.getName(), message);
                sendError(hasResult, clientMessage, message, servConn);
                return;
            } else {
                byte functionStateOnServerSide = AbstractExecution.getFunctionState(functionObject.isHA(), functionObject.hasResult(), functionObject.optimizeForWrite());
                if (logger.isDebugEnabled()) {
                    logger.debug("Function State on server side: {} on client: {}", functionStateOnServerSide, functionState);
                }
                if (functionStateOnServerSide != functionState) {
                    String message = LocalizedStrings.FunctionService_FUNCTION_ATTRIBUTE_MISMATCH_CLIENT_SERVER.toLocalizedString(function);
                    logger.warn("{}: {}", servConn.getName(), message);
                    sendError(hasResult, clientMessage, message, servConn);
                    return;
                }
            }
        } else {
            functionObject = (Function) function;
        }
        FunctionStats stats = FunctionStats.getFunctionStats(functionObject.getId());
        this.securityService.authorizeDataWrite();
        // check if the caller is authorized to do this operation on server
        AuthorizeRequest authzRequest = servConn.getAuthzRequest();
        ExecuteFunctionOperationContext executeContext = null;
        if (authzRequest != null) {
            executeContext = authzRequest.executeFunctionAuthorize(functionObject.getId(), null, null, args, functionObject.optimizeForWrite());
        }
        ChunkedMessage m = servConn.getFunctionResponseMessage();
        m.setTransactionId(clientMessage.getTransactionId());
        ServerToClientFunctionResultSender resultSender = new ServerToClientFunctionResultSender65(m, MessageType.EXECUTE_FUNCTION_RESULT, servConn, functionObject, executeContext);
        InternalDistributedMember localVM = (InternalDistributedMember) servConn.getCache().getDistributedSystem().getDistributedMember();
        FunctionContext context = null;
        if (memberMappedArg != null) {
            context = new FunctionContextImpl(functionObject.getId(), memberMappedArg.getArgumentsForMember(localVM.getId()), resultSender, isReexecute);
        } else {
            context = new FunctionContextImpl(functionObject.getId(), args, resultSender, isReexecute);
        }
        HandShake handShake = (HandShake) servConn.getHandshake();
        int earlierClientReadTimeout = handShake.getClientReadTimeout();
        handShake.setClientReadTimeout(functionTimeout);
        try {
            if (logger.isDebugEnabled()) {
                logger.debug("Executing Function on Server: {} with context: {}", servConn, context);
            }
            InternalCache cache = servConn.getCache();
            HeapMemoryMonitor hmm = ((InternalResourceManager) cache.getResourceManager()).getHeapMonitor();
            if (functionObject.optimizeForWrite() && cache != null && hmm.getState().isCritical() && !MemoryThresholds.isLowMemoryExceptionDisabled()) {
                Set<DistributedMember> sm = Collections.singleton((DistributedMember) cache.getMyId());
                Exception e = new LowMemoryException(LocalizedStrings.ResourceManager_LOW_MEMORY_FOR_0_FUNCEXEC_MEMBERS_1.toLocalizedString(new Object[] { functionObject.getId(), sm }), sm);
                sendException(hasResult, clientMessage, e.getMessage(), servConn, e);
                return;
            }
            /**
         * if cache is null, then either cache has not yet been created on this node or it is a
         * shutdown scenario.
         */
            DM dm = null;
            if (cache != null) {
                dm = cache.getDistributionManager();
            }
            if (groups != null && groups.length > 0) {
                executeFunctionOnGroups(function, args, groups, allMembers, functionObject, resultSender, ignoreFailedMembers);
            } else {
                executeFunctionaLocally(functionObject, context, (ServerToClientFunctionResultSender65) resultSender, dm, stats);
            }
            if (!functionObject.hasResult()) {
                writeReply(clientMessage, servConn);
            }
        } catch (FunctionException functionException) {
            stats.endFunctionExecutionWithException(functionObject.hasResult());
            throw functionException;
        } catch (Exception exception) {
            stats.endFunctionExecutionWithException(functionObject.hasResult());
            throw new FunctionException(exception);
        } finally {
            handShake.setClientReadTimeout(earlierClientReadTimeout);
        }
    } catch (IOException ioException) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), ioException);
        String message = LocalizedStrings.ExecuteFunction_SERVER_COULD_NOT_SEND_THE_REPLY.toLocalizedString();
        sendException(hasResult, clientMessage, message, servConn, ioException);
    } catch (InternalFunctionInvocationTargetException internalfunctionException) {
        // 4> in case of HA member departed
        if (logger.isDebugEnabled()) {
            logger.debug(LocalizedMessage.create(LocalizedStrings.ExecuteFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, new Object[] { function }), internalfunctionException);
        }
        final String message = internalfunctionException.getMessage();
        sendException(hasResult, clientMessage, message, servConn, internalfunctionException);
    } catch (Exception e) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), e);
        final String message = e.getMessage();
        sendException(hasResult, clientMessage, message, servConn, e);
    }
}

Example 17 with LowMemoryException

use of org.apache.geode.cache.LowMemoryException in project geode by apache.

the class ExecuteFunction method cmdExecute.

@Override
public void cmdExecute(Message clientMessage, ServerConnection servConn, long start) throws IOException {
    Object function = null;
    Object args = null;
    MemberMappedArgument memberMappedArg = null;
    byte hasResult = 0;
    try {
        hasResult = clientMessage.getPart(0).getSerializedForm()[0];
        if (hasResult == 1) {
            servConn.setAsTrue(REQUIRES_RESPONSE);
            servConn.setAsTrue(REQUIRES_CHUNKED_RESPONSE);
        }
        function = clientMessage.getPart(1).getStringOrObject();
        args = clientMessage.getPart(2).getObject();
        Part part = clientMessage.getPart(3);
        if (part != null) {
            memberMappedArg = (MemberMappedArgument) part.getObject();
        }
    } catch (ClassNotFoundException exception) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), exception);
        if (hasResult == 1) {
            writeChunkedException(clientMessage, exception, servConn);
            servConn.setAsTrue(RESPONDED);
            return;
        }
    }
    if (function == null) {
        final String message = LocalizedStrings.ExecuteFunction_THE_INPUT_FUNCTION_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL.toLocalizedString();
        logger.warn("{}: {}", servConn.getName(), message);
        sendError(hasResult, clientMessage, message, servConn);
        return;
    }
    // Execute function on the cache
    try {
        Function functionObject = null;
        if (function instanceof String) {
            functionObject = FunctionService.getFunction((String) function);
            if (functionObject == null) {
                final String message = LocalizedStrings.ExecuteFunction_FUNCTION_NAMED_0_IS_NOT_REGISTERED.toLocalizedString(function);
                logger.warn("{}: {}", servConn.getName(), message);
                sendError(hasResult, clientMessage, message, servConn);
                return;
            }
        } else {
            functionObject = (Function) function;
        }
        FunctionStats stats = FunctionStats.getFunctionStats(functionObject.getId());
        this.securityService.authorizeDataWrite();
        // check if the caller is authorized to do this operation on server
        AuthorizeRequest authzRequest = servConn.getAuthzRequest();
        ExecuteFunctionOperationContext executeContext = null;
        if (authzRequest != null) {
            executeContext = authzRequest.executeFunctionAuthorize(functionObject.getId(), null, null, args, functionObject.optimizeForWrite());
        }
        ChunkedMessage m = servConn.getFunctionResponseMessage();
        m.setTransactionId(clientMessage.getTransactionId());
        ResultSender resultSender = new ServerToClientFunctionResultSender(m, MessageType.EXECUTE_FUNCTION_RESULT, servConn, functionObject, executeContext);
        InternalDistributedMember localVM = (InternalDistributedMember) servConn.getCache().getDistributedSystem().getDistributedMember();
        FunctionContext context = null;
        if (memberMappedArg != null) {
            context = new FunctionContextImpl(functionObject.getId(), memberMappedArg.getArgumentsForMember(localVM.getId()), resultSender);
        } else {
            context = new FunctionContextImpl(functionObject.getId(), args, resultSender);
        }
        HandShake handShake = (HandShake) servConn.getHandshake();
        int earlierClientReadTimeout = handShake.getClientReadTimeout();
        handShake.setClientReadTimeout(0);
        try {
            long startExecution = stats.startTime();
            stats.startFunctionExecution(functionObject.hasResult());
            if (logger.isDebugEnabled()) {
                logger.debug("Executing Function on Server: " + servConn.toString() + "with context :" + context.toString());
            }
            InternalCache cache = servConn.getCache();
            HeapMemoryMonitor hmm = ((InternalResourceManager) cache.getResourceManager()).getHeapMonitor();
            if (functionObject.optimizeForWrite() && cache != null && hmm.getState().isCritical() && !MemoryThresholds.isLowMemoryExceptionDisabled()) {
                Set<DistributedMember> sm = Collections.<DistributedMember>singleton(cache.getMyId());
                throw new LowMemoryException(LocalizedStrings.ResourceManager_LOW_MEMORY_FOR_0_FUNCEXEC_MEMBERS_1.toLocalizedString(new Object[] { functionObject.getId(), sm }), sm);
            }
            functionObject.execute(context);
            stats.endFunctionExecution(startExecution, functionObject.hasResult());
        } catch (FunctionException functionException) {
            stats.endFunctionExecutionWithException(functionObject.hasResult());
            throw functionException;
        } catch (Exception exception) {
            stats.endFunctionExecutionWithException(functionObject.hasResult());
            throw new FunctionException(exception);
        } finally {
            handShake.setClientReadTimeout(earlierClientReadTimeout);
        }
    } catch (IOException ioException) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), ioException);
        String message = LocalizedStrings.ExecuteFunction_SERVER_COULD_NOT_SEND_THE_REPLY.toLocalizedString();
        sendException(hasResult, clientMessage, message, servConn, ioException);
    } catch (InternalFunctionInvocationTargetException internalfunctionException) {
        // 4> in case of HA member departed
        if (logger.isDebugEnabled()) {
            logger.debug(LocalizedMessage.create(LocalizedStrings.ExecuteFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, new Object[] { function }), internalfunctionException);
        }
        final String message = internalfunctionException.getMessage();
        sendException(hasResult, clientMessage, message, servConn, internalfunctionException);
    } catch (Exception e) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), e);
        final String message = e.getMessage();
        sendException(hasResult, clientMessage, message, servConn, e);
    }
}

Example 18 with LowMemoryException

use of org.apache.geode.cache.LowMemoryException in project geode by apache.

the class PartitionedRegion method executeOnSingleNode.

/**
   * Single key execution on single node
   * 
   * @since GemFire 6.0
   */
private ResultCollector executeOnSingleNode(final Function function, final PartitionedRegionFunctionExecutor execution, ResultCollector rc, boolean isPRSingleHop, boolean isBucketSetAsFilter) {
    final Set routingKeys = execution.getFilter();
    final Object key = routingKeys.iterator().next();
    final Integer bucketId;
    if (isBucketSetAsFilter) {
        bucketId = (Integer) key;
    } else {
        bucketId = PartitionedRegionHelper.getHashKey(this, Operation.FUNCTION_EXECUTION, key, null, null);
    }
    InternalDistributedMember targetNode = null;
    if (function.optimizeForWrite()) {
        targetNode = createBucket(bucketId, 0, null);
        HeapMemoryMonitor hmm = ((InternalResourceManager) cache.getResourceManager()).getHeapMonitor();
        if (hmm.isMemberHeapCritical(targetNode) && !MemoryThresholds.isLowMemoryExceptionDisabled()) {
            Set<DistributedMember> sm = Collections.singleton((DistributedMember) targetNode);
            throw new LowMemoryException(LocalizedStrings.ResourceManager_LOW_MEMORY_FOR_0_FUNCEXEC_MEMBERS_1.toLocalizedString(function.getId(), sm), sm);
        }
    } else {
        targetNode = getOrCreateNodeForBucketRead(bucketId);
    }
    final DistributedMember localVm = getMyId();
    if (targetNode != null && isPRSingleHop && !localVm.equals(targetNode)) {
        Set<ServerBucketProfile> profiles = this.getRegionAdvisor().getClientBucketProfiles(bucketId);
        if (profiles != null) {
            for (ServerBucketProfile profile : profiles) {
                if (profile.getDistributedMember().equals(targetNode)) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("FunctionServiceSingleHop: Found remote node.{}", localVm);
                    }
                    throw new InternalFunctionInvocationTargetException(LocalizedStrings.PartitionedRegion_MULTIPLE_TARGET_NODE_FOUND_FOR.toLocalizedString());
                }
            }
        }
    }
    if (targetNode == null) {
        throw new FunctionException(LocalizedStrings.PartitionedRegion_NO_TARGET_NODE_FOUND_FOR_KEY_0.toLocalizedString(key));
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Executing Function: {} setArguments={} on {}", function.getId(), execution.getArguments(), targetNode);
    }
    while (!execution.getFailedNodes().isEmpty()) {
        RetryTimeKeeper retryTime = new RetryTimeKeeper(this.retryTimeout);
        if (execution.getFailedNodes().contains(targetNode.getId())) {
            /*
         * if (retryTime.overMaximum()) { PRHARedundancyProvider.timedOut(this, null, null,
         * "doing function execution", this.retryTimeout); // NOTREACHED }
         */
            // Fix for Bug # 40083
            targetNode = null;
            while (targetNode == null) {
                if (retryTime.overMaximum()) {
                    PRHARedundancyProvider.timedOut(this, null, null, "doing function execution", this.retryTimeout);
                // NOTREACHED
                }
                retryTime.waitToRetryNode();
                if (function.optimizeForWrite()) {
                    targetNode = getOrCreateNodeForBucketWrite(bucketId, retryTime);
                } else {
                    targetNode = getOrCreateNodeForBucketRead(bucketId);
                }
            }
            if (targetNode == null) {
                throw new FunctionException(LocalizedStrings.PartitionedRegion_NO_TARGET_NODE_FOUND_FOR_KEY_0.toLocalizedString(key));
            }
        } else {
            execution.clearFailedNodes();
        }
    }
    final HashSet<Integer> buckets = new HashSet<Integer>();
    buckets.add(bucketId);
    final Set<InternalDistributedMember> singleMember = Collections.singleton(targetNode);
    execution.validateExecution(function, singleMember);
    execution.setExecutionNodes(singleMember);
    LocalResultCollector<?, ?> localRC = execution.getLocalResultCollector(function, rc);
    if (targetNode.equals(localVm)) {
        final DM dm = getDistributionManager();
        PartitionedRegionFunctionResultSender resultSender = new PartitionedRegionFunctionResultSender(dm, PartitionedRegion.this, 0, localRC, execution.getServerResultSender(), true, false, execution.isForwardExceptions(), function, buckets);
        final FunctionContext context = new RegionFunctionContextImpl(function.getId(), PartitionedRegion.this, execution.getArgumentsForMember(localVm.getId()), routingKeys, ColocationHelper.constructAndGetAllColocatedLocalDataSet(PartitionedRegion.this, buckets), buckets, resultSender, execution.isReExecute());
        execution.executeFunctionOnLocalPRNode(function, context, resultSender, dm, isTX());
        return localRC;
    } else {
        return executeFunctionOnRemoteNode(targetNode, function, execution.getArgumentsForMember(targetNode.getId()), routingKeys, function.isHA() ? rc : localRC, buckets, execution.getServerResultSender(), execution);
    }
}

Example 19 with LowMemoryException

use of org.apache.geode.cache.LowMemoryException in project geode by apache.

the class LocalRegion method executeFunction.

/**
   * Execute the provided named function in all locations that contain the given keys. So function
   * can be executed on just one fabric node, executed in parallel on a subset of nodes in parallel
   * across all the nodes.
   * 
   * @since GemFire 5.8Beta
   */
public ResultCollector executeFunction(final DistributedRegionFunctionExecutor execution, final Function function, final Object args, final ResultCollector rc, final Set filter, final ServerToClientFunctionResultSender sender) {
    if (function.optimizeForWrite() && this.memoryThresholdReached.get() && !MemoryThresholds.isLowMemoryExceptionDisabled()) {
        Set<DistributedMember> members = getMemoryThresholdReachedMembers();
        throw new LowMemoryException(LocalizedStrings.ResourceManager_LOW_MEMORY_FOR_0_FUNCEXEC_MEMBERS_1.toLocalizedString(function.getId(), members), members);
    }
    final LocalResultCollector<?, ?> resultCollector = execution.getLocalResultCollector(function, rc);
    final DM dm = getDistributionManager();
    execution.setExecutionNodes(Collections.singleton(getMyId()));
    final DistributedRegionFunctionResultSender resultSender = new DistributedRegionFunctionResultSender(dm, resultCollector, function, sender);
    final RegionFunctionContextImpl context = new RegionFunctionContextImpl(function.getId(), LocalRegion.this, args, filter, null, null, resultSender, execution.isReExecute());
    execution.executeFunctionOnLocalNode(function, context, resultSender, dm, isTX());
    return resultCollector;
}

Example 20 with LowMemoryException

use of org.apache.geode.cache.LowMemoryException in project geode by apache.

the class MemoryThresholdsDUnitTest method testPRFunctionExecutionRejection.

@Ignore("this test is DISABLED due to intermittent failures.  See bug #52222")
@Test
public void testPRFunctionExecutionRejection() throws Exception {
    IgnoredException.addIgnoredException("LowMemoryException");
    final Host host = Host.getHost(0);
    final VM accessor = host.getVM(0);
    final VM server1 = host.getVM(1);
    final VM server2 = host.getVM(2);
    final VM client = host.getVM(3);
    final String regionName = "prFuncRej";
    final ServerPorts ports1 = startCacheServer(server1, 80f, 90f, regionName, true, /* createPR */
    false, /* notifyBySubscription */
    0);
    ServerPorts ports2 = startCacheServer(server2, 80f, 90f, regionName, true, /* createPR */
    false, /* notifyBySubscription */
    0);
    accessor.invoke(new SerializableCallable() {

        public Object call() throws Exception {
            getSystem(getServerProperties());
            getCache();
            AttributesFactory factory = new AttributesFactory();
            PartitionAttributesFactory paf = new PartitionAttributesFactory();
            paf.setRedundantCopies(0);
            paf.setLocalMaxMemory(0);
            paf.setTotalNumBuckets(11);
            factory.setPartitionAttributes(paf.create());
            createRegion(regionName, factory.create());
            return null;
        }
    });
    startClient(client, server1, ports1.getPort(), regionName);
    registerTestMemoryThresholdListener(server1);
    registerTestMemoryThresholdListener(server2);
    final RejectFunction function = new RejectFunction();
    final RejectFunction function2 = new RejectFunction("noRejFunc", false);
    Invoke.invokeInEveryVM(new SerializableCallable("register function") {

        public Object call() throws Exception {
            FunctionService.registerFunction(function);
            FunctionService.registerFunction(function2);
            return null;
        }
    });
    doPutAlls(accessor, regionName, false, false, Range.DEFAULT);
    doPuts(accessor, regionName, false, false);
    accessor.invoke(new SerializableCallable() {

        public Object call() throws Exception {
            FunctionService.onRegion(getRootRegion().getSubregion(regionName)).execute(function);
            FunctionService.onRegion(getRootRegion().getSubregion(regionName)).execute(function2);
            return null;
        }
    });
    // should not fail
    accessor.invoke(new SerializableCallable() {

        public Object call() throws Exception {
            FunctionService.onMembers().execute(function);
            FunctionService.onMembers().execute(function2);
            return null;
        }
    });
    client.invoke(new SerializableCallable() {

        public Object call() throws Exception {
            FunctionService.onRegion(getRootRegion().getSubregion(regionName)).execute(function);
            FunctionService.onRegion(getRootRegion().getSubregion(regionName)).execute(function2);
            return null;
        }
    });
    setUsageAboveCriticalThreshold(server2);
    verifyListenerValue(server1, MemoryState.CRITICAL, 1, true);
    accessor.invoke(new SerializableCallable() {

        public Object call() throws Exception {
            try {
                getCache().getLoggerI18n().fine(addExpectedFunctionExString);
                FunctionService.onRegion(getRootRegion().getSubregion(regionName)).execute(function);
                getCache().getLoggerI18n().fine(removeExpectedFunctionExString);
                fail("expected low memory exception was not thrown");
            } catch (LowMemoryException e) {
            // expected
            }
            FunctionService.onRegion(getRootRegion().getSubregion(regionName)).execute(function2);
            return null;
        }
    });
    accessor.invoke(new SerializableCallable() {

        public Object call() throws Exception {
            try {
                getCache().getLoggerI18n().fine(addExpectedFunctionExString);
                FunctionService.onMembers().execute(function);
                getCache().getLoggerI18n().fine(removeExpectedFunctionExString);
                fail("expected low memory exception was not thrown");
            } catch (LowMemoryException e) {
            // expected
            }
            FunctionService.onMembers().execute(function2);
            return null;
        }
    });
    server1.invoke(addExpectedFunctionException);
    server2.invoke(addExpectedFunctionException);
    client.invoke(new SerializableCallable() {

        public Object call() throws Exception {
            try {
                FunctionService.onRegion(getRootRegion().getSubregion(regionName)).execute(function);
                fail("expected low memory exception was not thrown");
            } catch (FunctionException e) {
                if (!(e.getCause().getCause() instanceof LowMemoryException)) {
                    Assert.fail("unexpected exception", e);
                }
            // expected
            }
            FunctionService.onRegion(getRootRegion().getSubregion(regionName)).execute(function2);
            return null;
        }
    });
    server1.invoke(removeExpectedFunctionException);
    server2.invoke(removeExpectedFunctionException);
    final DistributedMember server2Id = (DistributedMember) server2.invoke(new SerializableCallable() {

        public Object call() throws Exception {
            return ((GemFireCacheImpl) getCache()).getMyId();
        }
    });
    // test function execution on healthy & sick members
    accessor.invoke(new SerializableCallable() {

        public Object call() throws Exception {
            PartitionedRegion pr = (PartitionedRegion) getRootRegion().getSubregion(regionName);
            Object sickKey1 = null;
            Object sickKey2 = null;
            Object healthyKey = null;
            for (int i = 0; i < 20; i++) {
                Object key = i;
                DistributedMember m = pr.getMemberOwning(key);
                if (m.equals(server2Id)) {
                    if (sickKey1 == null) {
                        sickKey1 = key;
                        // execute
                        Set s = new HashSet();
                        s.add(sickKey1);
                        Execution e = FunctionService.onRegion(pr);
                        try {
                            getCache().getLoggerI18n().fine(addExpectedFunctionExString);
                            e.withFilter(s).setArguments((Serializable) s).execute(function);
                            getCache().getLoggerI18n().fine(removeExpectedFunctionExString);
                            fail("expected LowMemoryExcception was not thrown");
                        } catch (LowMemoryException ex) {
                        // expected
                        }
                    } else if (sickKey2 == null) {
                        sickKey2 = key;
                        // execute
                        Set s = new HashSet();
                        s.add(sickKey1);
                        s.add(sickKey2);
                        Execution e = FunctionService.onRegion(pr);
                        try {
                            e.withFilter(s).setArguments((Serializable) s).execute(function);
                            fail("expected LowMemoryExcception was not thrown");
                        } catch (LowMemoryException ex) {
                        // expected
                        }
                    }
                } else {
                    healthyKey = key;
                    // execute
                    Set s = new HashSet();
                    s.add(healthyKey);
                    Execution e = FunctionService.onRegion(pr);
                    e.withFilter(s).setArguments((Serializable) s).execute(function);
                }
                if (sickKey1 != null && sickKey2 != null && healthyKey != null) {
                    break;
                }
            }
            return null;
        }
    });
}