No extra connection: All servers are broken.

[liuyang0508]

nebulagraph: 3.5.0
ngbatis: 1.1.5

server:
  port: 8538
  servlet:
    context-path: /geoTracker
#  session:
#    timeout: 1800

nebula:
  ngbatis:
    session-life-length: 300000
    check-fixed-rate: 300000
    # space name needs to be informed through annotations(@Space) or xml(space="test")
    # default false(false: Session pool map will not be initialized)
    use-session-pool: false
  hosts: xxx
  username: xxx
  password: xxx
  space: optical_cable_backbone_network
  pool-config:
    min-conns-size: 0
    max-conns-size: 10
    timeout: 6000
    idle-time: 3000
    interval-idle: -1
    wait-time: 6000
    min-cluster-health-rate: 1.0
    enable-ssl: false

logging:
  level:
    org.nebula.contrib: DEBUG

No extra connection: All servers are broken.
``
2023-11-16 16:35:29.100 DEBUG 39948 --- [nio-8538-exec-4] o.n.contrib.ngbatis.proxy.MapperProxy :
- proxyMethod: null#null
- session space: nullnull
- nGql：
MATCH (d1:Device)-[:hasChild]-(t1:Terminal)-[:connectedTo]-(m:OpticalCircuit)-[:connectedTo]-(t2:Terminal)-[:hasChild]-(d2:Device) where id(m) == '627ec6dde9469c003e7b62fe8ebfbbc5' and m.OpticalCircuit.tenantId == '0' RETURN t1.Terminal.name as devicePortA,t2.Terminal.name as devicePortZ,d1.Device.name as deviceNameA,d2.Device.name as deviceNameZ

- params: {p0=宁波鄞县-宁波市慈溪市CX龙山汇聚FC001WDM（北环主用）}
- result：null

2023-11-16 16:35:29.104 ERROR 39948 --- [nio-8538-exec-4] o.a.c.c.C.[.[.[.[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [/geoTracker] threw exception [Request processing failed; nested exception is org.nebula.contrib.ngbatis.exception.QueryException: 数据查询失败：com.vesoft.nebula.client.graph.exception.NotValidConnectionException: No extra connection: All servers are broken.] with root cause

com.vesoft.nebula.client.graph.exception.NotValidConnectionException: No extra connection: All servers are broken.
at com.vesoft.nebula.client.graph.net.NebulaPool.getConnection(NebulaPool.java:237) ~[client-3.5.0.jar:na]
at com.vesoft.nebula.client.graph.net.NebulaPool.getSession(NebulaPool.java:159) ~[client-3.5.0.jar:na]
at org.nebula.contrib.ngbatis.Env.openSession(Env.java:112) ~[ngbatis-1.1.5.jar:1.1.5]
at org.nebula.contrib.ngbatis.session.IntervalCheckSessionDispatcher.newLocalSession(IntervalCheckSessionDispatcher.java:113) ~[ngbatis-1.1.5.jar:1.1.5]
at org.nebula.contrib.ngbatis.session.IntervalCheckSessionDispatcher.poll(IntervalCheckSessionDispatcher.java:98) ~[ngbatis-1.1.5.jar:1.1.5]
at org.nebula.contrib.ngbatis.proxy.MapperProxy.executeWithParameter(MapperProxy.java:220) ~[ngbatis-1.1.5.jar:1.1.5]
at org.nebula.contrib.ngbatis.proxy.MapperProxy.invoke(MapperProxy.java:131) ~[ngbatis-1.1.5.jar:1.1.5]
at org.nebula.contrib.ngbatis.proxy.MapperProxy.invoke(MapperProxy.java:169) ~[ngbatis-1.1.5.jar:1.1.5]
at org.nebula.contrib.ngbatis.proxy.MapperProxy.pageSupport(MapperProxy.java:185) ~[ngbatis-1.1.5.jar:1.1.5]
at org.nebula.contrib.ngbatis.proxy.MapperProxy.invoke(MapperProxy.java:89) ~[ngbatis-1.1.5.jar:1.1.5]
at com.opticalable.geotracker.repository.DeviceDao$Proxy.queryDeviceInfoByOpticalCircuitName(Unknown Source) ~[na:na]
at com.opticalable.geotracker.controller.DeviceController.queryDeviceInfoByOpticalCircuitName(DeviceController.java:33) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_332]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_332]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_332]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_332]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-5.3.24.jar:5.3.24]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150) ~[spring-web-5.3.24.jar:5.3.24]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117) ~[spring-webmvc-5.3.24.jar:5.3.24]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895) ~[spring-webmvc-5.3.24.jar:5.3.24]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.24.jar:5.3.24]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.24.jar:5.3.24]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1071) ~[spring-webmvc-5.3.24.jar:5.3.24]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:964) ~[spring-webmvc-5.3.24.jar:5.3.24]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.24.jar:5.3.24]
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.3.24.jar:5.3.24]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:696) ~[tomcat-embed-core-9.0.69.jar:4.0.FR]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.24.jar:5.3.24]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:779) ~[tomcat-embed-core-9.0.69.jar:4.0.FR]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.69.jar:9.0.69]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.69.jar:9.0.69]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.24.jar:5.3.24]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.24.jar:5.3.24]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.69.jar:9.0.69]
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.24.jar:5.3.24]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.24.jar:5.3.24]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.69.jar:9.0.69]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.24.jar:5.3.24]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.24.jar:5.3.24]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:177) ~[tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:891) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1784) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) [tomcat-embed-core-9.0.69.jar:9.0.69]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.69.jar:9.0.69]
at java.lang.Thread.run(Thread.java:750) [na:1.8.0_332]

``

[CorvusYe]

可以的话在这个位置运行一下这一行

nebulaPool.getConnection().ping()

[CorvusYe]

看报错日志，context 中的 nebulaPool 不为空，这行的断点是能进的，毕竟这是唯一一个能设置上下文 nebulaPool 的地方。
并且又是原生的连接池，
如果结果是 false，关注点可能还是要放在连接参数上。
如果结果是 true，则需要留意断点是否进了两次，导致后一次的参数值把前一个参数值覆盖了，这种情况之前issue有碰到过