org.apache.solr.core.SolrCoreCheckLockOnStartupTest.java Source code

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Here is the source code for org.apache.solr.core.SolrCoreCheckLockOnStartupTest.java

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package org.apache.solr.core;

/*
 * 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.
 */

import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.LockObtainFailedException;
import org.apache.lucene.store.NativeFSLockFactory;
import org.apache.lucene.store.SimpleFSLockFactory;
import org.apache.lucene.util.Version;
import org.apache.solr.SolrTestCaseJ4;
import org.junit.Before;
import org.junit.Test;

import java.io.File;
import java.util.Map;

public class SolrCoreCheckLockOnStartupTest extends SolrTestCaseJ4 {

    @Override
    @Before
    public void setUp() throws Exception {
        super.setUp();

        System.setProperty("solr.directoryFactory", "org.apache.solr.core.SimpleFSDirectoryFactory");

        //explicitly creates the temp dataDir so we know where the index will be located
        createTempDir();

        IndexWriterConfig indexWriterConfig = new IndexWriterConfig(Version.LUCENE_40, null);
        Directory directory = newFSDirectory(new File(dataDir, "index"));
        //creates a new index on the known location
        new IndexWriter(directory, indexWriterConfig.setOpenMode(IndexWriterConfig.OpenMode.CREATE)).close();
        directory.close();
    }

    @Test
    public void testSimpleLockErrorOnStartup() throws Exception {

        Directory directory = newFSDirectory(new File(dataDir, "index"), new SimpleFSLockFactory());
        //creates a new IndexWriter without releasing the lock yet
        IndexWriter indexWriter = new IndexWriter(directory, new IndexWriterConfig(Version.LUCENE_40, null));

        ignoreException("locked");
        try {
            System.setProperty("solr.tests.lockType", "simple");
            //opening a new core on the same index
            initCore("solrconfig-basic.xml", "schema.xml");
            if (checkForCoreInitException(LockObtainFailedException.class))
                return;
            fail("Expected " + LockObtainFailedException.class.getSimpleName());
        } finally {
            System.clearProperty("solr.tests.lockType");
            unIgnoreException("locked");
            indexWriter.close();
            directory.close();
            deleteCore();
        }
    }

    @Test
    public void testNativeLockErrorOnStartup() throws Exception {

        File indexDir = new File(dataDir, "index");
        log.info("Acquiring lock on {}", indexDir.getAbsolutePath());
        Directory directory = newFSDirectory(indexDir, new NativeFSLockFactory());
        //creates a new IndexWriter without releasing the lock yet
        IndexWriter indexWriter = new IndexWriter(directory, new IndexWriterConfig(Version.LUCENE_40, null));

        ignoreException("locked");
        try {
            System.setProperty("solr.tests.lockType", "native");
            //opening a new core on the same index
            initCore("solrconfig-basic.xml", "schema.xml");
            CoreContainer cc = h.getCoreContainer();
            if (checkForCoreInitException(LockObtainFailedException.class))
                return;
            fail("Expected " + LockObtainFailedException.class.getSimpleName());
        } finally {
            System.clearProperty("solr.tests.lockType");
            unIgnoreException("locked");
            indexWriter.close();
            directory.close();
            deleteCore();
        }
    }

    private boolean checkForCoreInitException(Class<? extends Exception> clazz) {
        for (Map.Entry<String, Exception> entry : h.getCoreContainer().getCoreInitFailures().entrySet()) {
            for (Throwable t = entry.getValue(); t != null; t = t.getCause()) {
                if (clazz.isInstance(t))
                    return true;
            }
        }
        return false;
    }
}