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Diffstat (limited to 'qpid/java/systests/src/main/java/org/apache/qpid/test/unit/close/JavaServerCloseRaceConditionTest.java')
-rw-r--r-- | qpid/java/systests/src/main/java/org/apache/qpid/test/unit/close/JavaServerCloseRaceConditionTest.java | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/qpid/java/systests/src/main/java/org/apache/qpid/test/unit/close/JavaServerCloseRaceConditionTest.java b/qpid/java/systests/src/main/java/org/apache/qpid/test/unit/close/JavaServerCloseRaceConditionTest.java new file mode 100644 index 0000000000..6bc6c591ae --- /dev/null +++ b/qpid/java/systests/src/main/java/org/apache/qpid/test/unit/close/JavaServerCloseRaceConditionTest.java @@ -0,0 +1,119 @@ +/* + * + * 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.qpid.test.unit.close; + +import org.apache.qpid.client.AMQConnection; +import org.apache.qpid.client.AMQDestination; +import org.apache.qpid.client.AMQSession; +import org.apache.qpid.framing.AMQFrame; +import org.apache.qpid.framing.AMQShortString; +import org.apache.qpid.framing.ExchangeDeclareBody; +import org.apache.qpid.framing.ExchangeDeclareOkBody; +import org.apache.qpid.test.utils.QpidBrokerTestCase; + +import javax.jms.Session; + +/** QPID-1809 + * + * Race condition on error handling and close logic. + * + * See most often with SimpleACLTest as this test is the expects the server to + * shut the connection/channels. This sort of testing is not performed by many, + * if any, of the other system tests. + * + * The problem is that we have two threads + * + * MainThread Exception(Mina)Thread + * | | + * Performs | + * ACtion | + * | Receives Server + * | Close + * Blocks for | + * Response | + * | Starts To Notify + * | client + * | | + * | <----- Notify Main Thread + * Notification | + * wakes client | + * | | + * Client then | + * processes Error. | + * | | + * Potentially Attempting Close Channel/Connection + * Connection Close + * + * The two threads both attempt to close the connection but the main thread does + * so assuming that the connection is open and valid. + * + * The Exception thread must modify the connection so that no furter syncWait + * commands are performed. + * + * This test sends an ExchangeDeclare that is Asynchronous and will fail and + * so cause a ChannelClose error but we perform a syncWait so that we can be + * sure to test that the BlockingWaiter is correctly awoken. + * + */ +public class JavaServerCloseRaceConditionTest extends QpidBrokerTestCase +{ + private static final String EXCHANGE_NAME = "NewExchangeNametoFailLookup"; + + public void test() throws Exception + { + + AMQConnection connection = (AMQConnection) getConnection(); + + AMQSession session = (AMQSession) connection.createSession(false, Session.AUTO_ACKNOWLEDGE); + + // Set no wait true so that we block the connection + // Also set a different exchange class string so the attempt to declare + // the exchange causes an exchange. + ExchangeDeclareBody body = session.getMethodRegistry().createExchangeDeclareBody(session.getTicket(), new AMQShortString(EXCHANGE_NAME), null, + true, false, false, false, true, null); + + AMQFrame exchangeDeclare = body.generateFrame(session.getChannelId()); + + try + { + // block our thread so that can times out + connection.getProtocolHandler().syncWrite(exchangeDeclare, ExchangeDeclareOkBody.class); + } + catch (Exception e) + { + assertTrue("Exception should say the exchange is not known.", e.getMessage().contains("Unknown exchange: " + EXCHANGE_NAME)); + } + + try + { + // Depending on if the notification thread has closed the connection + // or not we may get an exception here when we attempt to close the + // connection. If we do get one then it should be the same as above + // an AMQAuthenticationException. + connection.close(); + } + catch (Exception e) + { + assertTrue("Exception should say the exchange is not known.", e.getMessage().contains("Unknown exchange: " + EXCHANGE_NAME)); + } + + } +} |