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无法获取服务 #120

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gongrico opened this issue Jun 18, 2016 · 11 comments
Closed

无法获取服务 #120

gongrico opened this issue Jun 18, 2016 · 11 comments

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@gongrico
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com.weibo.api.motan.exception.MotanFrameworkException: error_message: Failed to subscribe motan://169.254.130.54:0/com.xxxxxxx.passport.service.AccountService?group=default_rpc to zookeeper(zookeeper://127.0.0.1:2181/com.weibo.api.motan.registry.RegistryService?group=default_rpc), cause: null, status: 503, error_code: 20001,r=

一直报这个错误,按照官方demo跑不起来,

服务端配置

<motan:registry regProtocol="zookeeper" name="registry"
address="127.0.0.1:2181" connectTimeout="2000" />

<motan:protocol id="demoMotan" default="true" name="motan"
    maxServerConnection="80000" maxContentLength="1048576"
    maxWorkerThread="800" minWorkerThread="20" />

<motan:basicService id="serviceBasicConfig"
    accessLog="false" shareChannel="true" application="myMotanDemo"
    registry="registry" />

<bean id="accountService" class="com.xxxxxx.passport.service.imple.AccountServiceImple"></bean>
<motan:service interface="com.xxxxxxx.passport.service.AccountService"
    ref="accountService" export="demoMotan:8002" basicService="serviceBasicConfig" />`

客户端配置

<motan:registry regProtocol="zookeeper" name="nas_registry"
address="127.0.0.1:2181" connectTimeout="2000" />

<motan:protocol name="motan" default="true" haStrategy="failover"
    loadbalance="roundrobin" maxClientConnection="10" minClientConnection="2" />

<motan:basicReferer id="motantestClientBasicConfig"
    requestTimeout="200" accessLog="false" retries="2" application="myMotanDemo"
    protocol="motan" registry="nas_registry" throwException="false" check="true" />

<motan:referer id="accountService"
    interface="com.xxxxxxx.passport.service.AccountService"
    connectTimeout="300" requestTimeout="300" basicReferer="motantestClientBasicConfig" />`
@sunnights
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sunnights commented Jun 19, 2016 •
edited
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client和server的registry配置有吗，我看你client配的registry="nas_registry

@gongrico
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gongrico commented Jun 19, 2016 •
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zookeeper配置

<motan:registry regProtocol="zookeeper" name="nas_registry"
        address="127.0.0.1:2181" connectTimeout="2000" />

zookeeper信息

2016-06-19 11:26:39,080 [myid:] - INFO  [main:Environment@100] - Server environment:java.io.tmpdir=C:\Users\rico\AppData\Local\Temp\
2016-06-19 11:26:39,080 [myid:] - INFO  [main:Environment@100] - Server environment:java.compiler=<NA>
2016-06-19 11:26:39,080 [myid:] - INFO  [main:Environment@100] - Server environment:os.name=Windows 7
2016-06-19 11:26:39,080 [myid:] - INFO  [main:Environment@100] - Server environment:os.arch=amd64
2016-06-19 11:26:39,080 [myid:] - INFO  [main:Environment@100] - Server environment:os.version=6.1
2016-06-19 11:26:39,080 [myid:] - INFO  [main:Environment@100] - Server environment:user.name=rico
2016-06-19 11:26:39,080 [myid:] - INFO  [main:Environment@100] - Server environment:user.home=C:\Users\rico
2016-06-19 11:26:39,080 [myid:] - INFO  [main:Environment@100] - Server environment:user.dir=C:\Users\rico\Documents\NetSarang\Xshell\Sessions
2016-06-19 11:26:39,096 [myid:] - INFO  [main:ZooKeeperServer@787] - tickTime set to 2000
2016-06-19 11:26:39,096 [myid:] - INFO  [main:ZooKeeperServer@796] - minSessionTimeout set to -1
2016-06-19 11:26:39,096 [myid:] - INFO  [main:ZooKeeperServer@805] - maxSessionTimeout set to -1
2016-06-19 11:26:39,158 [myid:] - INFO  [main:NIOServerCnxnFactory@89] - binding to port 0.0.0.0/0.0.0.0:2181
2016-06-19 11:27:20,001 [myid:] - INFO  [SessionTracker:ZooKeeperServer@355] - Expiring session 0x15564d11724000f, timeout of 40000ms exceeded
2016-06-19 11:27:20,002 [myid:] - INFO  [ProcessThread(sid:0 cport:2181)::PrepRequestProcessor@489] - Processed session termination for sessionid: 0x15564d11724000f
2016-06-19 11:27:20,002 [myid:] - INFO  [SyncThread:0:FileTxnLog@199] - Creating new log file: log.bb04
2016-06-19 11:27:30,176 [myid:] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - Accepted socket connection from /127.0.0.1:49381
2016-06-19 11:27:30,181 [myid:] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@900] - Client attempting to establish new session at /127.0.0.1:49381
2016-06-19 11:27:30,190 [myid:] - INFO  [SyncThread:0:ZooKeeperServer@645] - Established session 0x15566b227300000 with negotiated timeout 40000 for client /127.0.0.1:49381
2016-06-19 11:27:33,549 [myid:] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - Accepted socket connection from /127.0.0.1:49394
2016-06-19 11:27:33,552 [myid:] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@900] - Client attempting to establish new session at /127.0.0.1:49394
2016-06-19 11:27:33,553 [myid:] - INFO  [SyncThread:0:ZooKeeperServer@645] - Established session 0x15566b227300001 with negotiated timeout 40000 for client /127.0.0.1:49394

@sunnights
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建议debug进motan-zookeeper-registry包下，ZookeeperRegistry类里有个subscribeService方法，确认一下错误的具体位置和信息

@gongrico
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  com.weibo.api.motan.exception.MotanFrameworkException: error_message: Failed to subscribe motan://169.254.130.54:0/com.xxxxxx.passport.service.AccountService?group=default_rpc to zookeeper(zookeeper://127.0.0.1:2181/com.weibo.api.motan.registry.RegistryService?group=default_rpc), cause: null, status: 503, error_code: 20001,r=
    at com.weibo.api.motan.registry.zookeeper.ZookeeperRegistry.doSubscribe(ZookeeperRegistry.java:98)
    at com.weibo.api.motan.registry.support.AbstractRegistry.subscribe(AbstractRegistry.java:101)
    at com.weibo.api.motan.registry.support.FailbackRegistry.subscribe(FailbackRegistry.java:107)
    at com.weibo.api.motan.cluster.support.ClusterSupport.init(ClusterSupport.java:90)
    at com.weibo.api.motan.config.handler.SimpleConfigHandler.buildClusterSupport(SimpleConfigHandler.java:55)
    at com.weibo.api.motan.config.RefererConfig.createClusterSupport(RefererConfig.java:184)
    at com.weibo.api.motan.config.RefererConfig.initRef(RefererConfig.java:128)
    at com.weibo.api.motan.config.RefererConfig.getRef(RefererConfig.java:85)
    at com.weibo.api.motan.config.springsupport.RefererConfigBean.getObject(RefererConfigBean.java:41)
    at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:168)
    at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:103)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1600)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:254)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:187)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1208)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1048)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1018)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:570)
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:350)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:775)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:861)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541)
    at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444)
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326)
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4811)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5251)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

@sunnights
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这个是捕获的代码抛出的异常，异常信息是null，没法定位具体抛异常的位置，需要调试来看代码块中抛异常的具体位置……

@gongrico
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没有日志么?

@netboynb
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可能是这种情况 ： motan 注册服务使用的是zookeeper临时节点，当网络抖动或者服务端线程堵塞时会导致临时节点丢失，确认下 你获取服务时 在zookeeper上的服务节点是否存在

在 2016年6月19日，下午7:33，Jake Zhang <notifications@github.com mailto:notifications@github.com> 写道：

这个是捕获的代码抛出的异常，异常信息是null，没法定位具体抛异常的位置，需要调试来看代码块中抛异常的具体位置……

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@gongrico
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我电脑里的host文件屏蔽了百度所有的产品
0.0.0.0 baidu.com

对motan有影响么?

@rayzhang0603
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@gongrico 这个host配置对motan没有影响。错误日志中的cause为原始异常的message信息，这个字段为空说明没有从原始异常中获取到message信息。你可以断点在ZookeeperRegistry类的line:83，看看具体的exception是什么。

     LoggerUtil.info(String.format("[ZookeeperRegistry] subscribe service: path=%s, info=%s", ZkUtils.toNodePath(url, ZkNodeType.AVAILABLE_SERVER), url.toFullStr()));
    } catch (Throwable e) {
        throw new MotanFrameworkException(String.format("Failed to subscribe %s to zookeeper(%s), cause: %s", url, getUrl(), e.getMessage()));
    }

@sunnights
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请参考#129

@gongrico
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收到,感谢

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@sunnights @rayzhang0603 @netboynb @gongrico