想要通过SimpleApplicationEventMulticaster自定义线程池提高export 启动速度 #11049
Description
dubbo+spring启动耗时太久，分析发现项目中定义的dubbo service有很多，导致启动过程中SimpleApplicationEventMulticaster执行multicastEvent，循环处理ApplicationListeners时间比较久。所以打算使用线程池excute invokeListener。就会提示端口已被绑定。
请问有什么方法可以加快启动速度吗？
报错信息如下：
Failed to initialize connector [Connector[HTTP/1.1-8787]]
org.apache.catalina.LifecycleException: Failed to initialize component [Connector[HTTP/1.1-8787]]
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:106)
at org.apache.catalina.core.StandardService.initInternal(StandardService.java:567)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:842)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
at org.apache.catalina.startup.Tomcat.start(Tomcat.java:340)
at com.alibaba.dubbo.remoting.http.tomcat.TomcatHttpServer.(TomcatHttpServer.java:85)
at com.alibaba.dubbo.remoting.http.tomcat.TomcatHttpBinder.bind(TomcatHttpBinder.java:29)
at com.alibaba.dubbo.remoting.http.HttpBinder$Adpative.bind(HttpBinder$Adpative.java)
at com.alibaba.dubbo.rpc.protocol.rest.DubboHttpServer.doStart(DubboHttpServer.java:54)
at com.alibaba.dubbo.rpc.protocol.rest.BaseRestServer.start(BaseRestServer.java:48)
at com.alibaba.dubbo.rpc.protocol.rest.RestProtocol.doExport(RestProtocol.java:89)
at com.alibaba.dubbo.rpc.protocol.AbstractProxyProtocol.export(AbstractProxyProtocol.java:69)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.export(ProtocolFilterWrapper.java:55)
at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.export(ProtocolListenerWrapper.java:56)
at com.alibaba.dubbo.rpc.Protocol$Adpative.export(Protocol$Adpative.java)
at com.alibaba.dubbo.config.ServiceConfig.doExportUrlsFor1Protocol(ServiceConfig.java:495)
at com.alibaba.dubbo.config.ServiceConfig.doExportUrls(ServiceConfig.java:285)
at com.alibaba.dubbo.config.ServiceConfig.doExport(ServiceConfig.java:246)
at com.alibaba.dubbo.config.ServiceConfig.export(ServiceConfig.java:145)
at com.alibaba.dubbo.config.spring.ServiceBean.onApplicationEvent(ServiceBean.java:110)
at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
at org.springframework.context.event.SimpleApplicationEventMulticaster$1.run(SimpleApplicationEventMulticaster.java:134)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: Protocol handler initialization failed
at org.apache.catalina.connector.Connector.initInternal(Connector.java:962)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
... 27 more
Caused by: java.net.BindException: Address already in use: bind
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:438)
at sun.nio.ch.Net.bind(Net.java:430)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:225)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:343)
at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:730)
at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:456)
at org.apache.coyote.http11.AbstractHttp11JsseProtocol.init(AbstractHttp11JsseProtocol.java:120)
at org.apache.catalina.connector.Connector.initInternal(Connector.java:960)
... 28 more