[Bug] start hugeserver faile with RpcServer NPE

[JackyYangPassion]

Bug Type (问题类型)

server status (启动/运行异常)

Before submit

• 我已经确认现有的 Issues 与 FAQ 中没有相同 / 重复问题

Environment (环境信息)

• Server Version: v0.13.0
• Backend: RocksDB x nodes, HDD or SSD
• OS: xx CPUs, xx G RAM, Centos 7.x
• Data Size: xx vertices, xx edges

Expected & Actual behavior (期望与实际表现)

rest-server.properties

#rpc.server_host=127.0.0.1
#rpc.server_port=8091

when start hugeservert with Error Exception

Exception in thread "main" java.lang.NullPointerException
	at com.baidu.hugegraph.core.GraphManager.remotingRpcServer(GraphManager.java:310)
	at com.baidu.hugegraph.core.GraphManager.waitGraphsReady(GraphManager.java:382)
	at com.baidu.hugegraph.core.GraphManager.init(GraphManager.java:116)
	at com.baidu.hugegraph.server.ApplicationConfig$GraphManagerFactory$1.onEvent(ApplicationConfig.java:132)
	at org.glassfish.jersey.server.internal.monitoring.CompositeApplicationEventListener.onEvent(CompositeApplicationEventListener.java:49)
	at org.glassfish.jersey.server.internal.monitoring.MonitoringContainerListener.onStartup(MonitoringContainerListener.java:56)
	at org.glassfish.jersey.server.ApplicationHandler.onStartup(ApplicationHandler.java:711)
	at org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.start(GrizzlyHttpContainer.java:330)
	at org.glassfish.grizzly.http.server.HttpHandlerChain.start(HttpHandlerChain.java:376)
	at org.glassfish.grizzly.http.server.HttpServer.setupHttpHandler(HttpServer.java:268)
	at org.glassfish.grizzly.http.server.HttpServer.start(HttpServer.java:245)
	at com.baidu.hugegraph.server.RestServer.start(RestServer.java:73)
	at com.baidu.hugegraph.server.RestServer.start(RestServer.java:180)
	at com.baidu.hugegraph.dist.HugeRestServer.start(HugeRestServer.java:34)
	at com.baidu.hugegraph.dist.HugeGraphServer.<init>(HugeGraphServer.java:62)
	at com.baidu.hugegraph.dist.HugeGraphServer.main(HugeGraphServer.java:122)

rest-server.properties

rpc.server_host=127.0.0.1
rpc.server_port=8091

when start hugeservert with Error Exception

Exception in thread "main" java.lang.NullPointerException
	at com.baidu.hugegraph.testutil.Whitebox.getInternalState(Whitebox.java:69)
	at com.baidu.hugegraph.core.GraphManager.remotingRpcServer(GraphManager.java:310)
	at com.baidu.hugegraph.core.GraphManager.waitGraphsReady(GraphManager.java:382)
	at com.baidu.hugegraph.core.GraphManager.init(GraphManager.java:116)
	at com.baidu.hugegraph.server.ApplicationConfig$GraphManagerFactory$1.onEvent(ApplicationConfig.java:132)
	at org.glassfish.jersey.server.internal.monitoring.CompositeApplicationEventListener.onEvent(CompositeApplicationEventListener.java:49)
	at org.glassfish.jersey.server.internal.monitoring.MonitoringContainerListener.onStartup(MonitoringContainerListener.java:56)
	at org.glassfish.jersey.server.ApplicationHandler.onStartup(ApplicationHandler.java:711)
	at org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.start(GrizzlyHttpContainer.java:330).0.0]
	at com.baidu.hugegraph.core.GraphManager.init(GraphManager.java:116) ~[hugegraph-api-0.13.0.jar:0.69.0.0]
	at com.baidu.hugegraph.server.ApplicationConfig$GraphManagerFactory$1.onEvent(ApplicationConfig.java:132) ~[hugegraph-api-0.13.0.jar:0.69.0.0]
	at org.glassfish.jersey.server.internal.monitoring.CompositeApplicationEventListener.onEvent(CompositeApplicationEventListener.java:49) ~[jersey-server-3.0.3.jar:?]
	at org.glassfish.jersey.server.internal.monitoring.MonitoringContainerListener.onStartup(MonitoringContainerListener.java:56) ~[jersey-server-3.0.3.jar:?]
	at org.glassfish.jersey.server.ApplicationHandler.onStartup(ApplicationHandler.java:711) ~[jersey-server-3.0.3.jar:?]
	at org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.start(GrizzlyHttpContainer.java:330) ~[jersey-container-grizzly2-http-3.0.3.jar:?]
	at org.glassfish.grizzly.http.server.HttpHandlerChain.start(HttpHandlerChain.java:376) ~[grizzly-http-server-3.0.1.jar:3.0.1]
	at org.glassfish.grizzly.http.server.HttpServer.setupHttpHandler(HttpServer.java:268) ~[grizzly-http-server-3.0.1.jar:3.0.1]
	at org.glassfish.grizzly.http.server.HttpServer.start(HttpServer.java:245) ~[grizzly-http-server-3.0.1.jar:3.0.1]
	at com.baidu.hugegraph.server.RestServer.start(RestServer.java:73) ~[hugegraph-api-0.13.0.jar:0.69.0.0]
	at com.baidu.hugegraph.server.RestServer.start(RestServer.java:180) ~[hugegraph-api-0.13.0.jar:0.69.0.0]
	at com.baidu.hugegraph.dist.HugeRestServer.start(HugeRestServer.java:34) ~[hugegraph-dist-0.13.0.jar:?]
	at com.baidu.hugegraph.dist.HugeGraphServer.<init>(HugeGraphServer.java:62) ~[hugegraph-dist-0.13.0.jar:?]
	at com.baidu.hugegraph.dist.HugeGraphServer.main(HugeGraphServer.java:122) ~[hugegraph-dist-0.13.0.jar:?]

Vertex/Edge example (问题点 / 边数据举例)

No response

Schema [VertexLabel, EdgeLabel, IndexLabel] (元数据结构)

No response