IDEA项目运行时候报错，错误如下

Question

[2017-06-06 14:22:34,115]-org.springframework.web.context.ContextLoader-ERROR unkown | Context initialization failed
java.lang.NullPointerException: 参数"endpoint"为空指针。
at com.aliyun.common.utils.CodingUtils.assertParameterNotNull(CodingUtils.java:17) ~[aliyun-openservices-1.2.3.jar:na]
at com.aliyun.common.utils.CodingUtils.assertStringNotNullOrEmpty(CodingUtils.java:23) ~[aliyun-openservices-1.2.3.jar:na]
at com.aliyun.openservices.oss.OSSClient.(OSSClient.java:136) ~[aliyun-openservices-1.2.3.jar:na]
at com.aliyun.openservices.oss.OSSClient.(OSSClient.java:119) ~[aliyun-openservices-1.2.3.jar:na]
at com.xitai.finance.thrid.service.oss.provider.impl.AliyunOSSProvider.init(AliyunOSSProvider.java:76) ~[lord-service-0.0.1-SNAPSHOT.jar:na]
at com.xitai.finance.core.base.config.ContextRefreshedListener.lambda$onApplicationEvent$0(ContextRefreshedListener.java:50) ~[lord-core-0.0.1-SNAPSHOT.jar:na]
at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) ~[na:1.8.0_131]
at com.xitai.finance.core.base.config.ContextRefreshedListener.onApplicationEvent(ContextRefreshedListener.java:50) ~[lord-core-0.0.1-SNAPSHOT.jar:na]
at com.xitai.finance.core.base.config.ContextRefreshedListener.onApplicationEvent(ContextRefreshedListener.java:31) ~[lord-core-0.0.1-SNAPSHOT.jar:na]
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:167) ~[spring-context-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139) ~[spring-context-4.3.6.RELEASE.jar:4.3.6.RELEASE]
06-Jun-2017 14:22:34.122 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal One or more listeners failed to start. Full details will be found in the appropriate container log file
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:383) ~[spring-context-4.3.6.RELEASE.jar:4.3.6.RELEASE]
06-Jun-2017 14:22:34.123 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal Context [/support] startup failed due to previous errors
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:337) ~[spring-context-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:882) ~[spring-context-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:545) ~[spring-context-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444) ~[spring-web-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326) ~[spring-web-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107) [spring-web-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4715) [catalina.jar:9.0.0.M17]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5179) [catalina.jar:9.0.0.M17]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:9.0.0.M17]
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752) [catalina.jar:9.0.0.M17]
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728) [catalina.jar:9.0.0.M17]
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) [catalina.jar:9.0.0.M17]
at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1702) [catalina.jar:9.0.0.M17]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131]
at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) [tomcat-coyote.jar:9.0.0.M17]
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) [na:1.8.0_131]
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) [na:1.8.0_131]
at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:456) [catalina.jar:9.0.0.M17]
at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:405) [catalina.jar:9.0.0.M17]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131]
at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) [tomcat-coyote.jar:9.0.0.M17]
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) [na:1.8.0_131]
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) [na:1.8.0_131]
at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) [na:1.8.0_131]
at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) [na:1.8.0_131]
at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) [na:1.8.0_131]
at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401) [na:1.8.0_131]
at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) [na:1.8.0_131]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131]
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:346) [na:1.8.0_131]
at sun.rmi.transport.Transport$1.run(Transport.java:200) [na:1.8.0_131]
at sun.rmi.transport.Transport$1.run(Transport.java:197) [na:1.8.0_131]
at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0_131]
at sun.rmi.transport.Transport.serviceCall(Transport.java:196) [na:1.8.0_131]

Answer 1

java.lang.NullPointerException: 参数"endpoint"为空指针。
at com.aliyun.common.utils.CodingUtils.assertParameterNotNull(CodingUtils.java:17) ~[aliyun-openservices-1.2.3.jar:na]

代码中有空指针错误