From 956c54155f78ec0ee3e89b7c19747e4b89ae2e20 Mon Sep 17 00:00:00 2001 From: jbertram Date: Thu, 19 Nov 2015 20:41:31 -0600 Subject: [PATCH] ARTEMIS-201 warn of potential OOME --- .../core/server/ActiveMQServerLogger.java | 4 ++ .../core/server/impl/ActiveMQServerImpl.java | 16 +++++ .../server/PotentialOOMELoggingTest.java | 60 +++++++++++++++++++ 3 files changed, 80 insertions(+) create mode 100644 tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/server/PotentialOOMELoggingTest.java diff --git a/artemis-server/src/main/java/org/apache/activemq/artemis/core/server/ActiveMQServerLogger.java b/artemis-server/src/main/java/org/apache/activemq/artemis/core/server/ActiveMQServerLogger.java index ab521919e3..d31e3d1271 100644 --- a/artemis-server/src/main/java/org/apache/activemq/artemis/core/server/ActiveMQServerLogger.java +++ b/artemis-server/src/main/java/org/apache/activemq/artemis/core/server/ActiveMQServerLogger.java @@ -1195,6 +1195,10 @@ public interface ActiveMQServerLogger extends BasicLogger { @Message(id = 222204, value = "Duplicated Acceptor {0} with parameters {1} classFactory={2} duplicated on the configuration", format = Message.Format.MESSAGE_FORMAT) void duplicatedAcceptor(String name, String parameters, String classFactory); + @LogMessage(level = Logger.Level.WARN) + @Message(id = 222205, value = "OutOfMemoryError possible! There are currently {0} addresses with a total max-size-bytes of {1} bytes, but the maximum memory available is {2} bytes.", format = Message.Format.MESSAGE_FORMAT) + void potentialOOME(long addressCount, long totalMaxSizeBytes, long maxMemory); + @LogMessage(level = Logger.Level.ERROR) @Message(id = 224000, value = "Failure in initialisation", format = Message.Format.MESSAGE_FORMAT) void initializationError(@Cause Throwable e); diff --git a/artemis-server/src/main/java/org/apache/activemq/artemis/core/server/impl/ActiveMQServerImpl.java b/artemis-server/src/main/java/org/apache/activemq/artemis/core/server/impl/ActiveMQServerImpl.java index 8b5a9bf87f..5401142fd0 100644 --- a/artemis-server/src/main/java/org/apache/activemq/artemis/core/server/impl/ActiveMQServerImpl.java +++ b/artemis-server/src/main/java/org/apache/activemq/artemis/core/server/impl/ActiveMQServerImpl.java @@ -1622,6 +1622,8 @@ public class ActiveMQServerImpl implements ActiveMQServer { // this needs to be done before clustering is fully activated callActivateCallbacks(); + checkForPotentialOOMEInAddressConfiguration(); + if (!scalingDown) { // Deploy any pre-defined diverts deployDiverts(); @@ -1674,6 +1676,20 @@ public class ActiveMQServerImpl implements ActiveMQServer { } } + private void checkForPotentialOOMEInAddressConfiguration() { + long totalMaxSizeBytes = 0; + long addressCount = 0; + for (SimpleString address : postOffice.getAddresses()) { + totalMaxSizeBytes += addressSettingsRepository.getMatch(address.toString()).getMaxSizeBytes(); + addressCount++; + } + + long maxMemory = Runtime.getRuntime().maxMemory(); + if (totalMaxSizeBytes >= maxMemory) { + ActiveMQServerLogger.LOGGER.potentialOOME(addressCount, totalMaxSizeBytes, maxMemory); + } + } + private void deployAddressSettingsFromConfiguration() { for (Map.Entry entry : configuration.getAddressesSettings().entrySet()) { addressSettingsRepository.addMatch(entry.getKey(), entry.getValue(), true); diff --git a/tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/server/PotentialOOMELoggingTest.java b/tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/server/PotentialOOMELoggingTest.java new file mode 100644 index 0000000000..a25e674720 --- /dev/null +++ b/tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/server/PotentialOOMELoggingTest.java @@ -0,0 +1,60 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.activemq.artemis.tests.integration.server; + +import java.util.UUID; + +import org.apache.activemq.artemis.core.config.CoreQueueConfiguration; +import org.apache.activemq.artemis.core.server.ActiveMQServer; +import org.apache.activemq.artemis.core.settings.impl.AddressSettings; +import org.apache.activemq.artemis.logs.AssertionLoggerHandler; +import org.apache.activemq.artemis.tests.util.ActiveMQTestBase; +import org.junit.AfterClass; +import org.junit.Assert; +import org.junit.BeforeClass; +import org.junit.Test; + +public class PotentialOOMELoggingTest extends ActiveMQTestBase { + + @BeforeClass + public static void prepareLogger() { + AssertionLoggerHandler.startCapture(); + } + + @Test + /** + * When running this test from an IDE add this to the test command line so that the AssertionLoggerHandler works properly: + * + * -Djava.util.logging.manager=org.jboss.logmanager.LogManager -Dlogging.configuration=file:/tests/config/logging.properties + */ + public void testBlockLogging() throws Exception { + ActiveMQServer server = createServer(false, createDefaultInVMConfig()); + for (int i = 0; i < 10000; i++) { + server.getConfiguration().addQueueConfiguration(new CoreQueueConfiguration().setAddress(UUID.randomUUID().toString()).setName(UUID.randomUUID().toString())); + } + server.getConfiguration().getAddressesSettings().put("#", new AddressSettings().setMaxSizeBytes(10485760 * 10)); + server.start(); + + // Using the code only so the test doesn't fail just because someone edits the log text + Assert.assertTrue("Expected to find 222205", AssertionLoggerHandler.findText("AMQ222205")); + } + + @AfterClass + public static void clearLogger() { + AssertionLoggerHandler.stopCapture(); + } +}