当试图通过单元在Cassandra中创建列族时

当试图通过单元在Cassandra中创建列族时

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当试图通过单元在Cassandra中创建列族时，InvalidQueryException

本文介绍了当试图通过单元在Cassandra中创建列族时，InvalidQueryException的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我有一个3节点的cassandra集群，并通过我的单元测试在Java，我首先创建一个键空间，然后在该键空间中创建一个列系列。有时单元测试通过，但随机我不断得到以下错误。我使用最新的datastax 2.1.4 java驱动程序和在2.1.0中的cassandra版本。

I have a 3 node cassandra cluster and via my unit test in Java, I first create a keyspace and then create a column family within that keyspace. Sometimes the unit tests passes but randomly I keep getting the following error. I am using the latest datastax 2.1.4 java driver and the cassandra version in 2.1.0.

com.symc.edp.database.nosql.NoSQLPersistenceException: com.datastax.driver.core.exceptions.InvalidQueryException: Cannot add column family 'testmaxcolumnstable' to non existing keyspace 'testmaxcolumnskeyspace'.
    at com.symc.edp.database.nosql.cassandra.CassandraCQLTableEditor.createTable(CassandraCQLTableEditor.java:67)
    at com.symc.edp.database.nosql.cassandra.TestCassandraWideRowPerformance.testWideRowInserts(TestCassandraWideRowPerformance.java:74)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
Caused by: com.datastax.driver.core.exceptions.InvalidQueryException: Cannot add column family 'testmaxcolumnstable' to non existing keyspace 'testmaxcolumnskeyspace'.
    at com.datastax.driver.core.exceptions.InvalidQueryException.copy(InvalidQueryException.java:35)
    at com.datastax.driver.core.DefaultResultSetFuture.extractCauseFromExecutionException(DefaultResultSetFuture.java:289)
    at com.datastax.driver.core.DefaultResultSetFuture.getUninterruptibly(DefaultResultSetFuture.java:205)
    at com.datastax.driver.core.AbstractSession.execute(AbstractSession.java:52)
    at com.datastax.driver.core.AbstractSession.execute(AbstractSession.java:36)
    at com.symc.edp.database.nosql.cassandra.CassandraCQLTableEditor.createTable(CassandraCQLTableEditor.java:65)
    ... 6 more
Caused by: com.datastax.driver.core.exceptions.InvalidConfigurationInQueryException: Cannot add column family 'testmaxcolumnstable' to non existing keyspace 'testmaxcolumnskeyspace'.
    at com.datastax.driver.core.Responses$Error.asException(Responses.java:104)
    at com.datastax.driver.core.DefaultResultSetFuture.onSet(DefaultResultSetFuture.java:140)
    at com.datastax.driver.core.RequestHandler.setFinalResult(RequestHandler.java:249)
    at com.datastax.driver.core.RequestHandler.onSet(RequestHandler.java:421)
    at com.datastax.driver.core.Connection$Dispatcher.messageReceived(Connection.java:697)
    at com.datastax.shaded.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
    at com.datastax.shaded.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
    at com.datastax.shaded.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
    at com.datastax.shaded.netty.channel.Channels.fireMessageReceived(Channels.java:296)
    at com.datastax.shaded.netty.handler.codec.oneone.OneToOneDecoder.handleUpstream(OneToOneDecoder.java:70)
    at com.datastax.shaded.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
    at com.datastax.shaded.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
    at com.datastax.shaded.netty.channel.Channels.fireMessageReceived(Channels.java:296)
    at com.datastax.shaded.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
    at com.datastax.shaded.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
    at com.datastax.shaded.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
    at com.datastax.shaded.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
    at com.datastax.shaded.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
    at com.datastax.shaded.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
    at com.datastax.shaded.netty.channel.Channels.fireMessageReceived(Channels.java:268)
    at com.datastax.shaded.netty.channel.Channels.fireMessageReceived(Channels.java:255)
    at com.datastax.shaded.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
    at com.datastax.shaded.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
    at com.datastax.shaded.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:318)
    at com.datastax.shaded.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
    at com.datastax.shaded.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
    at com.datastax.shaded.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
    at com.datastax.shaded.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

在cassandra的system.log文件中，我看到以下异常：

And in the system.log file of cassandra I see the following exception:

ERROR [SharedPool-Worker-1] 2015-01-28 15:08:24,286 ErrorMessage.java:218 - Unexpected exception during request
java.io.IOException: Connection reset by peer
        at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[na:1.8.0_05]
        at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[na:1.8.0_05]
        at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) ~[na:1.8.0_05]
        at sun.nio.ch.IOUtil.read(IOUtil.java:192) ~[na:1.8.0_05]
        at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:375) ~[na:1.8.0_05]
        at io.netty.buffer.PooledUnsafeDirectByteBuf.setBytes(PooledUnsafeDirectByteBuf.java:311) ~[netty-all-4.0.20.Final.jar:4.0.20.Final]
        at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:878) ~[netty-all-4.0.20.Final.jar:4.0.20.Final]
        at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:225) ~[netty-all-4.0.20.Final.jar:4.0.20.Final]
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:114) ~[netty-all-4.0.20.Final.jar:4.0.20.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:507) ~[netty-all-4.0.20.Final.jar:4.0.20.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:464) ~[netty-all-4.0.20.Final.jar:4.0.20.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:378) ~[netty-all-4.0.20.Final.jar:4.0.20.Final]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:350) ~[netty-all-4.0.20.Final.jar:4.0.20.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116) ~[netty-all-4.0.20.Final.jar:4.0.20.Final]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_05]
INFO  [SharedPool-Worker-1] 2015-01-28 15:13:01,051 MigrationManager.java:229 - Create new Keyspace: KSMetaData{name=testmaxcolumnskeyspace, strategyClass=SimpleStrategy, strategyOptions={replication_factor=1}, cfMetaData={}, durableWrites=true, userTypes=org.apache.cassandra.config.UTMetaData@790ee1bb}
INFO  [MigrationStage:1] 2015-01-28 15:13:01,058 ColumnFamilyStore.java:856 - Enqueuing flush of schema_keyspaces: 512 (0%) on-heap, 0 (0%) off-heap
INFO  [MemtableFlushWriter:7] 2015-01-28 15:13:01,059 Memtable.java:326 - Writing Memtable-schema_keyspaces@1727029917(138 serialized bytes, 3 ops, 0%/0% of on/off-heap limit)
INFO  [MemtableFlushWriter:7] 2015-01-28 15:13:01,077 Memtable.java:360 - Completed flushing /usr/share/apache-cassandra-2.1.0/bin/../data/data/system/schema_keyspaces-b0f2235744583cdb9631c43e59ce3676/system-schema_keyspaces-ka-103-Data.db (175 bytes) for commitlog position ReplayPosition(segmentId=1422485457803, position=1181)

此外，我通过devcenter验证了keyspace没有创建。

Also, I verified via devcenter, the keyspace didn't get created.

推荐答案

您的配置类。我们使用 ClassPathCQLDataSet 发出我们的语句并在同一个地方创建 keyspace （ ，注意位置2和3上的布尔值告诉它创建和删除键空间）。 db.cql 是我们持有create table statments的文件。这是我们的配置可能会帮助你：

It would help as noted to see your configuration class. We are using ClassPathCQLDataSet to issue our statements and create keyspace at same go (link to ClassPathCqlDataSet documentation, note that boolean on position 2 and 3 tell it to create and delete keyspace). db.cql is file where we hold create table statments. Here is our configuration which might help you:

package some.package;

import org.cassandraunit.CQLDataLoader;
import org.cassandraunit.dataset.cql.ClassPathCQLDataSet;
import org.cassandraunit.utils.EmbeddedCassandraServerHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.core.io.ClassPathResource;

import com.datastax.driver.core.Cluster;
import com.datastax.driver.core.Session;

@Configuration
@Profile({"test"})
public class TestCassandraConfig implements DisposableBean {

    private static final Logger LOGGER = LoggerFactory.getLogger(TestCassandraConfig.class);

    private final String CQL = "db.cql";

    @Value("${cassandra.contact_points:localhost}")
    private String contact_points;
    @Value("${cassandra.port:9142}")
    private int port;
    @Value("${cassandra.keyspace:test}")
    private String keyspace;

    private static Cluster cluster;
    private static Session session;
    private static SessionProxy sessionProxy;

    @Bean
    public Session session() throws Exception {
        if (session == null) {
            initialize();
        }

        return sessionProxy;
    }

    @Bean
    public TestApplicationContext testApplicationContext() {
        return new TestApplicationContext();
    }

    private void initialize() throws Exception {
        LOGGER.info("Starting embedded cassandra server");
        EmbeddedCassandraServerHelper.startEmbeddedCassandra("another-cassandra.yaml");

        LOGGER.info("Connect to embedded db");
        cluster = Cluster.builder().addContactPoints(contact_points).withPort(port).build();
        session = cluster.connect();

        LOGGER.info("Initialize keyspace");
        final CQLDataLoader cqlDataLoader = new CQLDataLoader(session);
        cqlDataLoader.load(new ClassPathCQLDataSet(CQL, false, true, keyspace));
    }

    @Override
    public void destroy() throws Exception {
        if (cluster != null) {
            cluster.close();
            cluster = null;
        }
    }
}

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08-22 18:03
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