Flink错误：java.lang.NoSuchMethodError:org.apache.Flink.api.table.table

我尝试使用flink的table和SQLAPI作为一个简单的示例，在这个示例中，我从文件中读取字符串，将其转换为Tuple2，并尝试将其插入表中。这是我的密码

import org.apache.flink.api.common.functions.FlatMapFunction;
import org.apache.flink.api.java.table.StreamTableEnvironment;
import org.apache.flink.api.java.tuple.Tuple2;
import org.apache.flink.api.table.Table;
import org.apache.flink.streaming.api.TimeCharacteristic;
import org.apache.flink.streaming.api.datastream.DataStream;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.util.Collector;

public class table_streaming_test
{
    public static void main (String[] args) throws Exception
    {
        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment(); //create execution environment
        StreamTableEnvironment tEnv= StreamTableEnvironment.getTableEnvironment(env); 
        env.setParallelism(1);
        DataStream<String> datastream_in= env.readTextFile("file:/home/rishikesh/new_workspace1/table_streaming/stocks.txt");
         DataStream<Tuple2<String,Integer>> ds=  datastream_in
             .flatMap(new Splitter());  // transformation flatmap
         Table msg=tEnv.fromDataStream(ds).as("symbol,price");
         Table result = msg.select("symbol ='A'");
         DataStream<String> ds2 =tEnv.toDataStream(result, String.class);
         ds2.print();
         env.execute();
    }
public static class Splitter implements FlatMapFunction<String,     Tuple2<String, Integer>> {
        public void flatMap(String sentence, Collector<Tuple2<String, Integer>> out) throws Exception {
            String[] token= sentence.split(",");
            out.collect(new Tuple2<String, Integer>(token[0],Integer.parseInt(token[1])));
        }
    }
}

错误如下：发生在DataStream ds2=tEnv.toDataStreamresult，String.class行

包含的Jar文件包括：

Flink-dist_2.10-1.1.3.jar flink-python_2.10-1.1.3.jar flink-table_2.10-1.1.3.jar log4j-1.2.17.jar slf4j-log4j12-1.7.7.jar JavaSE-1.7

---

JavaSE-1.7

导致错误java.lang.NoSuchMethodError的一个可能原因是您使用的flink版本与系统上安装的版本不同

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对我来说，我有Flink 1.4.2，我使用的版本是1.3.2。所以我更新了我的pom文件，使其具有相同的版本，并且运行良好。

我认为您需要使用shade插件并按照此步骤解决问题

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你能把截图中的代码和异常转换成文本吗？有些部分被切断了，搜索和复制会更容易。谢谢你，费边。我已经编辑了这篇文章。你能给我一个stocks.txt的例子吗？你使用什么构建工具？可能的重复

log4j:WARN No appenders could be found for logger (org.apache.flink.api.java.typeutils.TypeExtractor).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
Exception in thread "main" java.lang.NoSuchMethodError: org.apache.flink.api.table.Table.<init>(Lorg/apache/flink/api/table/TableEnvironment;Lorg/apache/flink/api/table/plan/logical/LogicalNode;)V
    at org.apache.flink.api.table.StreamTableEnvironment.ingest(StreamTableEnvironment.scala:97)
    at org.apache.flink.api.java.table.StreamTableEnvironment.fromDataStream(StreamTableEnvironment.scala:61)
    at table_streaming_test.main(table_streaming_test.java:87)