【异常解决】springBoot单元测试es报错availableProcessors is already set to [12], rejecting [12]

单元测试的时候，报错

异常信息片段

2024-09-03 09:07:12.439 ERROR 5676 --- [           main] c.a.m.c.c.es.ElasticsearchConfig         : availableProcessors is already set to [12], rejecting [12]

java.lang.IllegalStateException: availableProcessors is already set to [12], rejecting [12]
	at io.netty.util.NettyRuntime$AvailableProcessorsHolder.setAvailableProcessors(NettyRuntime.java:51)
	at io.netty.util.NettyRuntime.setAvailableProcessors(NettyRuntime.java:87)
	at org.elasticsearch.transport.netty4.Netty4Utils.setAvailableProcessors(Netty4Utils.java:82)
	at org.elasticsearch.transport.netty4.Netty4Transport.<init>(Netty4Transport.java:138)
	at org.elasticsearch.transport.Netty4Plugin.lambda$getTransports$0(Netty4Plugin.java:93)
	at org.elasticsearch.client.transport.TransportClient.buildTemplate(TransportClient.java:174)
	at org.elasticsearch.client.transport.TransportClient.<init>(TransportClient.java:265)
	at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:130)
	at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:116)
	at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:106)

解决方案

@Slf4j
@SpringBootTest(classes = Application.class)
@RunWith(SpringRunner.class)
class ControllerTest {

	// 添加这一段静态代码块
    static {

        System.setProperty("es.set.netty.runtime.available.processors", "false");

    }


    //  ...省略
	
}