老师，微服务架构怎么和工作流引擎bpm结合？例如activiti之类的引擎

老师，我用IDEA运行项目报错如下，是不是多环境配置加载出问题呢？ 2019-01-10 22:39:15.276 INFO 3612 --- [ main] c.c.f.f.i.p.DefaultApplicationProvider : App ID is set to registry by app.id property from System Property 2019-01-10 22:39:15.278 INFO 3612 --- [ main] c.c.f.f.i.p.DefaultServerProvider : Environment is set to null. Because it is not available in either (1) JVM system property 'env', (2) OS env variable 'ENV' nor (3) property 'env' from the properties InputStream. 2019-01-10 22:39:15.303 INFO 3612 --- [ main] c.c.f.a.i.DefaultMetaServerProvider : Located meta services from apollo.meta configuration: http://localhost:8080! 2019-01-10 22:39:15.305 INFO 3612 --- [ main] c.c.f.apollo.core.MetaDomainConsts : Located meta server address http://localhost:8080 for env UNKNOWN from com.ctrip.framework.apollo.internals.DefaultMetaServerProvider 2019-01-10 22:39:16.354 WARN 3612 --- [ main] c.ctrip.framework.apollo.tracer.Tracer : Failed to create transaction for type: Apollo.MetaService, name: getConfigService java.lang.IllegalStateException: java.lang.reflect.InvocationTargetException at com.ctrip.framework.apollo.tracer.internals.cat.CatMessageProducer.newTransaction(CatMessageProducer.java:81) ~[apollo-core-1.0.0.jar:1.0.0] at com.ctrip.framework.apollo.tracer.Tracer.newTransaction(Tracer.java:78) ~[apollo-core-1.0.0.jar:1.0.0] at com.ctrip.framework.apollo.internals.ConfigServiceLocator.updateConfigServices(ConfigServiceLocator.java:151) [apollo-client-1.0.0.jar:1.0.0] at

项目集成cat不需要配置cat服务的ip吗，在5个项目中都没有看到配置cat 服务端ip和端口配置