我正在尝试使用Spring Boot(版本2)将我的项目转换为基于REST的项目。原始项目用于使用弹性搜索(6.6.1)进行文本搜索,并按预期工作。然后,在"春季启动Web项目"中,我介绍了一个RestController来调用上面的TextSearch类
请参阅相关类
public class TextSearch {
private final TransportClient client;
public static final Logger LOGGER = LoggerFactory.getLogger(TextSearch.class);
public TextSearch() {
Settings settings = Settings.builder().put("cluster.name", "elasticsearch").put("client.transport.sniff", true).build();
client= new PreBuiltTransportClient(settings);
try {
client.addTransportAddress(new TransportAddress(InetAddress.getByName("localhost"), 9300));
}catch (UnknownHostException e) {
LOGGER.error("Unknown host exception {}", e);
}
}
}
// spring rest controller class
@RestController
public class SearchController {
@RequestMapping("/search")
public String search(@RequestParam(value="name", defaultValue="World") String name) {
List<SCMappedData> mappedList = FetchScDataJsoup.fetch();
System.out.println("#######no of entries" + mappedList.size());
TextSearch textSearch = new TextSearch("legal", "sc");
boolean indexCreation = textSearch.createIndex(mappedList);
List<SearchHit> hits = textSearch.search(name);
for (SearchHit hit:hits
) {
System.out.println(hit.getSourceAsString());
}
if(hits.size() > 0) {
return hits.get(0).getExplanation().getDescription();
} else {
return " nt found";
}
}
}
但是,Get请求失败,以下错误
java.lang.NoSuchFieldError: Shared
at org.elasticsearch.http.netty4.Netty4HttpServerTransport.<clinit>(Netty4HttpServerTransport.java:124) ~[transport-netty4-client-5.6.11.jar:5.6.11]
at org.elasticsearch.transport.Netty4Plugin.getSettings(Netty4Plugin.java:55) ~[transport-netty4-client-5.6.11.jar:5.6.11]
at org.elasticsearch.plugins.PluginsService.lambda$getPluginSettings$0(PluginsService.java:89) ~[elasticsearch-6.6.1.jar:6.6.1]
at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:271) ~[na:na]
at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1492) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[na:na]
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na]
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) ~[na:na]
at org.elasticsearch.plugins.PluginsService.getPluginSettings(PluginsService.java:89) ~[elasticsearch-6.6.1.jar:6.6.1]
at org.elasticsearch.client.transport.TransportClient.buildTemplate(TransportClient.java:147) ~[elasticsearch-6.6.1.jar:6.6.1]
at org.elasticsearch.client.transport.TransportClient.<init>(TransportClient.java:288) ~[elasticsearch-6.6.1.jar:6.6.1]
at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:128) ~[transport-6.6.1.jar:6.6.1]
at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:114) ~[transport-6.6.1.jar:6.6.1]
at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:104) ~[transport-6.6.1.jar:6.6.1]
at search.TextSearch.<init>(TextSearch.java:40) ~[classes/:na]
at run.SearchController.search(SearchController.java:25) ~[classes/:na]
我知道我可能必须提供更多细节才能获得答案,但我不确定我必须提供什么细节。
这是我第一次尝试与春季项目一起工作。因此,我想知道有人是否可以对此提供高级建议。
查看异常堆栈跟踪,Elasticsearch版本与Netty客户端不匹配。因此,请使用相同的版本。
<dependency>
<groupId>org.elasticsearch.plugin</groupId>
<artifactId>transport-netty4-client</artifactId>
<version>6.6.1</version>
</dependency>