在部署一些传统微服务（基于Spring Boot）期间，我在catalina.out中遇到以下异常：
Caused by: org.flowable.engine.common.api.FlowableException: Could not read IDM Mybatis configuration file
at org.flowable.engine.cfg.AbstractEngineConfigurator.registerCustomMybatisMappings(AbstractEngineConfigurator.java:105)
at org.flowable.engine.cfg.AbstractEngineConfigurator.beforeInit(AbstractEngineConfigurator.java:50)
at org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl.configuratorsBeforeInit(ProcessEngineConfigurationImpl.java:1424)
at org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl.init(ProcessEngineConfigurationImpl.java:856)
at org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl.buildProcessEngine(ProcessEngineConfigurationImpl.java:832)
at org.flowable.spring.SpringProcessEngineConfiguration.buildProcessEngine(SpringProcessEngineConfiguration.java:68)
at org.flowable.spring.ProcessEngineFactoryBean.getObject(ProcessEngineFactoryBean.java:57)
at org.flowable.spring.ProcessEngineFactoryBean.getObject(ProcessEngineFactoryBean.java:32)
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:168)
... 112 more
Caused by: java.net.ConnectException: Connection timed out (Connection timed out)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at java.net.Socket.connect(Socket.java:538)
at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
at sun.net.www.http.HttpClient.New(HttpClient.java:339)
at sun.net.www.http.HttpClient.New(HttpClient.java:357)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1202)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1138)
这里有趣的是我之前从未需要任何配置文件。使用Floable框架可以使它执行某些MyBatis配置文件的请求会发生什么？