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[GitHub] [dubbo] startjava opened a new issue #9729: 使用dubbo连接zookeeper集群时，消费者启动时出现节点已存在的异常。

startjava opened a new issue #9729:
URL: https://github.com/apache/dubbo/issues/9729


   提供者配置：
   ```
   # 应用名称
   spring:
     application:
       name: my-multi-registrycenter-provider
   
   # 配置dubbo
   dubbo:
     registries:
       provider1:
         address: zookeeper://192.168.0.103
         port: 2181
         provider2:
           address: zookeeper://192.168.0.140
           port: 2181
         provider3:
           address: zookeeper://192.168.0.62
           port: 2181
     scan:
       base-packages: com.ghy.www.my.multi.registrycenter.provider.service # 扫包
     application:
       logger: slf4j
   ```
   
   消费者配置：
   ```
   # 应用名称
   spring:
     application:
       name: my-multi-registrycenter-consumer
   
   server:
     port: 8085
   
   # 配置dubbo
   dubbo:
     registries:
       provider1:
         address: zookeeper://192.168.0.103
         port: 2181
       provider2:
         address: zookeeper://192.168.0.140
         port: 2181
       provider3:
         address: zookeeper://192.168.0.62
         port: 2181
     application:
       logger: slf4j
   ```
   
   服务提供者启动没有出现异常，而服务消费者启动出现异常。
   
   3台zookeeper服务器集群状态正常。
   
   [zk集群消费者启动报错.txt](https://github.com/apache/dubbo/files/8159413/zk.txt)
   
   
   


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[GitHub] [dubbo] Jimy-Guo commented on issue #9729: 使用dubbo连接zookeeper集群时，消费者启动时出现节点已存在的异常。

Posted by GitBox <gi...@apache.org>.
Jimy-Guo commented on issue #9729:
URL: https://github.com/apache/dubbo/issues/9729#issuecomment-1064692775


   目前是这个版本的：
   spring-boot:2.3.5.RELEASE+org.apache.dubbo:dubbo:3.0.6+org.apache.dubbo:dubbo-spring-boot-starter:3.0.6
   @startjava 


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[GitHub] [dubbo] startjava commented on issue #9729: 使用dubbo连接zookeeper集群时，消费者启动时出现节点已存在的异常。

Posted by GitBox <gi...@apache.org>.
startjava commented on issue #9729:
URL: https://github.com/apache/dubbo/issues/9729#issuecomment-1064693303


   官方进度我不知道，但官方回复说这个异常不会影响功能的使用，
   
   
   这个肯定是BUG了，看哪个版本FIX一下吧。
   
   
   
   
   ------------------&nbsp;原始邮件&nbsp;------------------
   发件人:                                                                                                                        "apache/dubbo"                                                                                    ***@***.***&gt;;
   发送时间:&nbsp;2022年3月11日(星期五) 上午9:55
   ***@***.***&gt;;
   ***@***.******@***.***&gt;;
   主题:&nbsp;Re: [apache/dubbo] 使用dubbo连接zookeeper集群时，消费者启动时出现节点已存在的异常。 (Issue #9729)
   
   
   
   
   
    
   我也有这个报错，请问现在到什么进度了呢：
    2022-03-01 14:55:08.712  WARN 13048 --- [andler-thread-3] o.a.d.r.zookeeper.ZookeeperRegistry      :  [DUBBO] Failed to save registry cache file, will retry, cause: null, dubbo version: 3.0.5, current host: 192.168.56.1
    
   java.nio.channels.OverlappingFileLockException: null
    at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255) ~[na:1.8.0_321]
    at sun.nio.ch.SharedFileLockTable.add(FileLockTable.java:152) ~[na:1.8.0_321]
    at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:1107) ~[na:1.8.0_321]
    at java.nio.channels.FileChannel.tryLock(FileChannel.java:1155) ~[na:1.8.0_321]
    at org.apache.dubbo.registry.support.AbstractRegistry.doSaveProperties(AbstractRegistry.java:187) ~[dubbo-3.0.5.jar:3.0.5]
    at org.apache.dubbo.registry.support.AbstractRegistry$SaveProperties.run(AbstractRegistry.java:555) [dubbo-3.0.5.jar:3.0.5]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_321]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_321]
    at java.lang.Thread.run(Thread.java:750) [na:1.8.0_321]
    我的程序也是启动正常，不过一旦调用dubbo服务就会报错：
    Caused by: org.apache.dubbo.remoting.RemotingException: io.netty.handler.codec.EncoderException: java.lang.NoSuchMethodError: org.apache.dubbo.common.serialize.hessian2.Hessian2SerializerFactory.getClassFactory()Lcom/alibaba/com/caucho/hessian/io/ClassFactory;
    io.netty.handler.codec.EncoderException: java.lang.NoSuchMethodError: org.apache.dubbo.common.serialize.hessian2.Hessian2SerializerFactory.getClassFactory()Lcom/alibaba/com/caucho/hessian/io/ClassFactory;
    at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:125)
    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717)
    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:709)
    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:792)
    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:702)
    at io.netty.handler.timeout.IdleStateHandler.write(IdleStateHandler.java:304)
    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717)
    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:709)
    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:792)
    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:702)
    at io.netty.channel.ChannelDuplexHandler.write(ChannelDuplexHandler.java:115)
    at org.apache.dubbo.remoting.transport.netty4.NettyClientHandler.write(NettyClientHandler.java:88)
    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717)
    at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:764)
    at io.netty.channel.AbstractChannelHandlerContext$WriteTask.run(AbstractChannelHandlerContext.java:1071)
    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500)
    at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
    at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
    at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
    at java.lang.Thread.run(Thread.java:748)
    Caused by: java.lang.NoSuchMethodError: org.apache.dubbo.common.serialize.hessian2.Hessian2SerializerFactory.getClassFactory()Lcom/alibaba/com/caucho/hessian/io/ClassFactory;
    at org.apache.dubbo.common.serialize.hessian2.dubbo.DefaultHessian2FactoryInitializer.createSerializerFactory(DefaultHessian2FactoryInitializer.java:28)
    at org.apache.dubbo.common.serialize.hessian2.dubbo.AbstractHessian2FactoryInitializer.getSerializerFactory(AbstractHessian2FactoryInitializer.java:46)
    at org.apache.dubbo.common.serialize.hessian2.Hessian2ObjectOutput.(Hessian2ObjectOutput.java:37)
    at org.apache.dubbo.common.serialize.hessian2.Hessian2Serialization.serialize(Hessian2Serialization.java:51)
    at org.apache.dubbo.remoting.exchange.codec.ExchangeCodec.encodeRequest(ExchangeCodec.java:253)
    at org.apache.dubbo.remoting.exchange.codec.ExchangeCodec.encode(ExchangeCodec.java:71)
    at org.apache.dubbo.rpc.protocol.dubbo.DubboCountCodec.encode(DubboCountCodec.java:47)
    at org.apache.dubbo.remoting.transport.netty4.NettyCodecAdapter$InternalEncoder.encode(NettyCodecAdapter.java:69)
    at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:107)
    ... 21 more
    
   at org.apache.dubbo.remoting.exchange.support.DefaultFuture.doReceived(DefaultFuture.java:214)
    at org.apache.dubbo.remoting.exchange.support.DefaultFuture.received(DefaultFuture.java:176)
    at org.apache.dubbo.remoting.exchange.support.DefaultFuture.received(DefaultFuture.java:164)
    at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleResponse(HeaderExchangeHandler.java:60)
    at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:181)
    at org.apache.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:51)
    at org.apache.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:57)
    at org.apache.dubbo.common.threadpool.ThreadlessExecutor$RunnableWrapper.run(ThreadlessExecutor.java:184)
    at org.apache.dubbo.common.threadpool.ThreadlessExecutor.waitAndDrain(ThreadlessExecutor.java:103)
    at org.apache.dubbo.rpc.AsyncRpcResult.get(AsyncRpcResult.java:193)
    ... 109 common frames omitted
    
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[GitHub] [dubbo] Jimy-Guo commented on issue #9729: 使用dubbo连接zookeeper集群时，消费者启动时出现节点已存在的异常。

Posted by GitBox <gi...@apache.org>.
Jimy-Guo commented on issue #9729:
URL: https://github.com/apache/dubbo/issues/9729#issuecomment-1064692328


   我也有这个报错，请问现在到什么进度了呢：
   2022-03-01 14:55:08.712  WARN 13048 --- [andler-thread-3] o.a.d.r.zookeeper.ZookeeperRegistry      :  [DUBBO] Failed to save registry cache file, will retry, cause: null, dubbo version: 3.0.5, current host: 192.168.56.1
   
   java.nio.channels.OverlappingFileLockException: null
   	at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255) ~[na:1.8.0_321]
   	at sun.nio.ch.SharedFileLockTable.add(FileLockTable.java:152) ~[na:1.8.0_321]
   	at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:1107) ~[na:1.8.0_321]
   	at java.nio.channels.FileChannel.tryLock(FileChannel.java:1155) ~[na:1.8.0_321]
   	at org.apache.dubbo.registry.support.AbstractRegistry.doSaveProperties(AbstractRegistry.java:187) ~[dubbo-3.0.5.jar:3.0.5]
   	at org.apache.dubbo.registry.support.AbstractRegistry$SaveProperties.run(AbstractRegistry.java:555) [dubbo-3.0.5.jar:3.0.5]
   	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_321]
   	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_321]
   	at java.lang.Thread.run(Thread.java:750) [na:1.8.0_321]
   我的程序也是启动正常，不过一旦调用dubbo服务就会报错：
   Caused by: org.apache.dubbo.remoting.RemotingException: io.netty.handler.codec.EncoderException: java.lang.NoSuchMethodError: org.apache.dubbo.common.serialize.hessian2.Hessian2SerializerFactory.getClassFactory()Lcom/alibaba/com/caucho/hessian/io/ClassFactory;
   io.netty.handler.codec.EncoderException: java.lang.NoSuchMethodError: org.apache.dubbo.common.serialize.hessian2.Hessian2SerializerFactory.getClassFactory()Lcom/alibaba/com/caucho/hessian/io/ClassFactory;
   at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:125)
   at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717)
   at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:709)
   at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:792)
   at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:702)
   at io.netty.handler.timeout.IdleStateHandler.write(IdleStateHandler.java:304)
   at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717)
   at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:709)
   at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:792)
   at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:702)
   at io.netty.channel.ChannelDuplexHandler.write(ChannelDuplexHandler.java:115)
   at org.apache.dubbo.remoting.transport.netty4.NettyClientHandler.write(NettyClientHandler.java:88)
   at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717)
   at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:764)
   at io.netty.channel.AbstractChannelHandlerContext$WriteTask.run(AbstractChannelHandlerContext.java:1071)
   at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
   at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
   at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500)
   at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
   at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
   at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
   at java.lang.Thread.run(Thread.java:748)
   Caused by: java.lang.NoSuchMethodError: org.apache.dubbo.common.serialize.hessian2.Hessian2SerializerFactory.getClassFactory()Lcom/alibaba/com/caucho/hessian/io/ClassFactory;
   at org.apache.dubbo.common.serialize.hessian2.dubbo.DefaultHessian2FactoryInitializer.createSerializerFactory(DefaultHessian2FactoryInitializer.java:28)
   at org.apache.dubbo.common.serialize.hessian2.dubbo.AbstractHessian2FactoryInitializer.getSerializerFactory(AbstractHessian2FactoryInitializer.java:46)
   at org.apache.dubbo.common.serialize.hessian2.Hessian2ObjectOutput.(Hessian2ObjectOutput.java:37)
   at org.apache.dubbo.common.serialize.hessian2.Hessian2Serialization.serialize(Hessian2Serialization.java:51)
   at org.apache.dubbo.remoting.exchange.codec.ExchangeCodec.encodeRequest(ExchangeCodec.java:253)
   at org.apache.dubbo.remoting.exchange.codec.ExchangeCodec.encode(ExchangeCodec.java:71)
   at org.apache.dubbo.rpc.protocol.dubbo.DubboCountCodec.encode(DubboCountCodec.java:47)
   at org.apache.dubbo.remoting.transport.netty4.NettyCodecAdapter$InternalEncoder.encode(NettyCodecAdapter.java:69)
   at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:107)
   ... 21 more
   
   at org.apache.dubbo.remoting.exchange.support.DefaultFuture.doReceived(DefaultFuture.java:214)
   at org.apache.dubbo.remoting.exchange.support.DefaultFuture.received(DefaultFuture.java:176)
   at org.apache.dubbo.remoting.exchange.support.DefaultFuture.received(DefaultFuture.java:164)
   at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleResponse(HeaderExchangeHandler.java:60)
   at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:181)
   at org.apache.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:51)
   at org.apache.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:57)
   at org.apache.dubbo.common.threadpool.ThreadlessExecutor$RunnableWrapper.run(ThreadlessExecutor.java:184)
   at org.apache.dubbo.common.threadpool.ThreadlessExecutor.waitAndDrain(ThreadlessExecutor.java:103)
   at org.apache.dubbo.rpc.AsyncRpcResult.get(AsyncRpcResult.java:193)
   ... 109 common frames omitted


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