You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@jackrabbit.apache.org by ju...@apache.org on 2010/06/16 15:07:14 UTC
svn commit: r955222 -
/jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ConcurrencyTest3.java
Author: jukka
Date: Wed Jun 16 13:07:13 2010
New Revision: 955222
URL: http://svn.apache.org/viewvc?rev=955222&view=rev
Log:
JCR-2598: Saving concurrent sessions executing random operations causes a corrupt JCR
Test case by Stephan Huttenhuis
Added:
jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ConcurrencyTest3.java (with props)
Added: jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ConcurrencyTest3.java
URL: http://svn.apache.org/viewvc/jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ConcurrencyTest3.java?rev=955222&view=auto
==============================================================================
--- jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ConcurrencyTest3.java (added)
+++ jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ConcurrencyTest3.java Wed Jun 16 13:07:13 2010
@@ -0,0 +1,204 @@
+/*
+ * 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.jackrabbit.core;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.SimpleCredentials;
+
+import junit.framework.TestCase;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.jackrabbit.core.config.RepositoryConfig;
+
+public class ConcurrencyTest3 extends TestCase {
+
+ private static final int NUM_ITERATIONS = 1;
+
+ private static final int NUM_THREADS = 5;
+
+ private File repoDescriptor;
+
+ private File repoHome;
+
+ private RepositoryImpl repository;
+
+ public void setUp() throws IOException, RepositoryException {
+ File baseDir = new File(System.getProperty("basedir", "."));
+ File repoBaseDir = new File(baseDir, "target/corruption-test3");
+ FileUtils.deleteQuietly(repoBaseDir);
+
+ repoDescriptor = new File(repoBaseDir, "repository.xml");
+ repoHome = new File(repoBaseDir, "repository");
+ repoHome.mkdirs();
+
+ File repositoryDescriptor = new File(baseDir, "src/test/repository/repository.xml");
+ FileUtils.copyFile(repositoryDescriptor, repoDescriptor);
+ }
+
+ public void tearDown() throws IOException, InterruptedException {
+ FileUtils.deleteQuietly(repoHome.getParentFile());
+ }
+
+ /**
+ * Runs the test.
+ */
+ public void testConcurrentWritingSessions() throws Exception {
+
+ startRepository();
+
+ // Create test root node
+ Session session = login();
+ Node testRoot = session.getRootNode().addNode("test");
+ Node testRoot2 = session.getRootNode().addNode("test2");
+ testRoot.addMixin("mix:referenceable");
+ session.save();
+
+ for (int i = 0; i < NUM_ITERATIONS; i++) {
+ JcrTestThread[] threads = new JcrTestThread[NUM_THREADS];
+ Session[] sessions = new Session[NUM_THREADS];
+ for (int j = 0; j < threads.length; j++) {
+ // create new session and a new thread
+ Session threadSession = login();
+ JcrTestThread thread = new JcrTestThread(testRoot.getUUID(), threadSession);
+ thread.setName("Iteration " + i + " - Thread " + j);
+ thread.start();
+ threads[j] = thread;
+ sessions[j] = threadSession;
+ }
+ for (int j = 0; j < threads.length; j++) {
+ if (threads[j] != null) {
+ threads[j].join();
+ }
+ }
+ for (int j = 0; j < sessions.length; j++) {
+ if (sessions[j] != null) {
+ sessions[j].logout();
+ }
+ }
+ }
+
+ session.logout();
+ stopRepository();
+
+ // Restart with an empty index, scan and delete test root node
+ deleteIndex();
+ startRepository();
+ session = login();
+ testRoot = session.getRootNode().getNode("test");
+ testRoot.addNode("new node");
+ session.save();
+ scan(testRoot);
+ testRoot.remove();
+ session.save();
+ session.logout();
+ stopRepository();
+ }
+
+ private void startRepository() throws RepositoryException {
+ repository =
+ RepositoryImpl.create(RepositoryConfig.create(repoDescriptor.getAbsolutePath(), repoHome
+ .getAbsolutePath()));
+ }
+
+ private Session login() throws RepositoryException {
+ return repository.login(new SimpleCredentials("admin", "admin".toCharArray()), null);
+ }
+
+ private void stopRepository() throws RepositoryException {
+ repository.shutdown();
+ }
+
+ private void deleteIndex() throws IOException {
+ FileUtils.deleteDirectory(new File(repoHome, "workspaces/default/index"));
+ }
+
+ private void scan(Node node) throws RepositoryException {
+ // System.err.println(node.getName() + " - " + node.getPath());
+ for (NodeIterator it = node.getNodes(); it.hasNext();) {
+ Node child = it.nextNode();
+ scan(child);
+ }
+ }
+
+ class JcrTestThread extends Thread {
+
+ private String testRootUuid;
+
+ private Session jcrSession;
+
+ private ArrayList nodes = new ArrayList();
+
+ private int RUN_SIZE = 100;
+
+ private int ACTION_SIZE = 1000;
+
+ JcrTestThread(String uuid, Session session) throws RepositoryException {
+ testRootUuid = uuid;
+ jcrSession = session;
+ }
+
+ public void run() {
+ outer: for (int i = 0; i < RUN_SIZE; i++) {
+ for (int j = 0; j < ACTION_SIZE; j++) {
+ int random = (int) Math.floor(2 * Math.random());
+ if (random == 0) {
+ try {
+ // Add a node called "P"
+ Node addedNode = jcrSession.getNodeByUUID(testRootUuid).addNode("P");
+ addedNode.addMixin("mix:referenceable");
+ nodes.add(addedNode.getUUID());
+
+ } catch (RepositoryException ignore) {
+ }
+ } else {
+ if (nodes.size() > 0) {
+ int randomIndex = (int) Math.floor(nodes.size() * Math.random());
+ try {
+ // Remove a random node we created within this
+ // thread and within this session
+ Node removeNode = jcrSession.getNodeByUUID((String) nodes.get(randomIndex));
+ String path = removeNode.getPath();
+ if (path.indexOf("test2") == -1) {
+ jcrSession.move(removeNode.getPath(), removeNode.getParent().getPath()
+ + "2/P");
+ } else {
+ removeNode.remove();
+ nodes.remove(randomIndex);
+ }
+ } catch (RepositoryException ignore) {
+ System.err.println(" 1 " + ignore.toString());
+ }
+ }
+ }
+ }
+ try {
+ jcrSession.save();
+ } catch (RepositoryException e) {
+ System.err.println(" 2 " + e.toString());
+ break outer;
+ }
+ }
+ }
+ }
+}
Propchange: jackrabbit/trunk/jackrabbit-core/src/test/java/org/apache/jackrabbit/core/ConcurrencyTest3.java
------------------------------------------------------------------------------
svn:eol-style = native