dubbo-samples
dubbo-samples copied to clipboard
Published
20 hours ago •
apache
apache
dubbo-kubernetes中启动的22222端口服务无法使用http协议访问
发布之后因为k8s对服务进行健康检查时使用http请求该端口导致一直报错。 测试telnet podip 22222 发现服务启动正常，可以进入dubbo命令行，但不能使用http协议进行访问
telnet 127.0.0.1 22222
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
___ __ __ ___ ___ ____
/ _ \ / / / // _ ) / _ ) / __ \
/ // // /_/ // _ |/ _ |/ /_/ /
/____/ \____//____//____/ \____/
dubbo>help
+------------------+----------------------------------------------------------------------------------+
| cd | Change default service. |
+------------------+----------------------------------------------------------------------------------+
| count | Count the service. |
+------------------+----------------------------------------------------------------------------------+
| help | help command |
+------------------+----------------------------------------------------------------------------------+
| invoke | Invoke the service method. |
+------------------+----------------------------------------------------------------------------------+
| live | Judge if service is alive? |
+------------------+----------------------------------------------------------------------------------+
| ls | ls service |
+------------------+----------------------------------------------------------------------------------+
| offline | offline dubbo |
+------------------+----------------------------------------------------------------------------------+
| offlineApp | offline app addresses |
+------------------+----------------------------------------------------------------------------------+
| offlineInterface | offline dubbo |
+------------------+----------------------------------------------------------------------------------+
| onlineApp | online app addresses |
+------------------+----------------------------------------------------------------------------------+
| onlineApp | online app addresses |
+------------------+----------------------------------------------------------------------------------+
| onlineInterface | online dubbo |
+------------------+----------------------------------------------------------------------------------+
| ps | Print server ports and connections. |
+------------------+----------------------------------------------------------------------------------+
| publishMetadata | update service metadata and service instance |
+------------------+----------------------------------------------------------------------------------+
| pwd | Print working default service. |
+------------------+----------------------------------------------------------------------------------+
| quit | quit telnet console |
+------------------+----------------------------------------------------------------------------------+
| ready | Judge if service is ready to work? |
+------------------+----------------------------------------------------------------------------------+
| select | Select the index of the method you want to invoke |
+------------------+----------------------------------------------------------------------------------+
| shutdown | Shutdown Dubbo Application. |
+------------------+----------------------------------------------------------------------------------+
| startup | Judge if service has started? |
+------------------+----------------------------------------------------------------------------------+
| version | version command(show dubbo version) |
+------------------+----------------------------------------------------------------------------------+
命令行使用上述命令也不行，http请求上述地址会引起netty报错：
2022-02-06 11:27:55.228 WARN 52279 --- [qos-worker-3-10] io.netty.channel.DefaultChannelPipeline : An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.
java.lang.NullPointerException: null
at org.apache.dubbo.qos.server.handler.HttpProcessHandler.http(HttpProcessHandler.java:61) ~[dubbo-3.0.5.jar:3.0.5]
at org.apache.dubbo.qos.server.handler.HttpProcessHandler.channelRead0(HttpProcessHandler.java:97) ~[dubbo-3.0.5.jar:3.0.5]
at org.apache.dubbo.qos.server.handler.HttpProcessHandler.channelRead0(HttpProcessHandler.java:50) ~[dubbo-3.0.5.jar:3.0.5]
at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) ~[netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103) [netty-codec-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:327) [netty-codec-4.1.73.Final.jar:4.1.73.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:299) [netty-codec-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.handler.codec.ByteToMessageDecoder.handlerRemoved(ByteToMessageDecoder.java:255) [netty-codec-4.1.73.Final.jar:4.1.73.Final]
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:517) [netty-codec-4.1.73.Final.jar:4.1.73.Final]
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:449) [netty-codec-4.1.73.Final.jar:4.1.73.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:279) [netty-codec-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:722) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) [netty-transport-4.1.73.Final.jar:4.1.73.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986) [netty-common-4.1.73.Final.jar:4.1.73.Final]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-common-4.1.73.Final.jar:4.1.73.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-common-4.1.73.Final.jar:4.1.73.Final]
at java.lang.Thread.run(Thread.java:750) [na:1.8.0_321]
文档中配置的都是http协议进行健康检查的
livenessProbe:
httpGet:
path: /live
port: 22222
initialDelaySeconds: 5
periodSeconds: 5
readinessProbe:
httpGet:
path: /ready
port: 22222
initialDelaySeconds: 5
periodSeconds: 5
startupProbe:
httpGet:
path: /startup
port: 22222
failureThreshold: 30
periodSeconds: 10
