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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/07/14 02:24:57 UTC
[GitHub] [dubbo] wikiwikiwiki opened a new pull request #6959: [Dubbo-6567] fix consumer warning "safe guard client , should not be called ,must have a bug."
wikiwikiwiki opened a new pull request #6959:
URL: https://github.com/apache/dubbo/pull/6959
issue #6567 里面提到了这个问题，刚好也碰到了，修复一下。
具体触发条件为：
1. 启动一个普通consumer和一个provider，consumer可以正常调用。
2. 关闭provider进程，观察注册中心，一直等到provider注册的url消失。
3. 重启provider进程，consumer再次调用，报"safe guard client , should not be called ,must have a bug."并且之后每5000次调用会触发一次。
这个问题的根源是LazyConnectExchangeClient在两种情况下被使用，这两种情况需要表现的行为不一样，但是代码一样导致。
这两种情况一个是consumer主动设置为延迟连接，一个是consumer和provider断开连接时进行防御式编程，如果在连接关闭后还有请求过来就用这个延迟初始化的client处理一下。
具体到上面的这个例子：
第一步consumer正常调用时，DubboProtocol里面referenceClientMap字段保存了consumer连接provider的ReferenceCountExchangeClient。
第二步关闭provider进程一直到provider注册url消失时，referenceClientMap字段里面的引用还在，但是ReferenceCountExchangeClient的replaceWithLazyClient方法被调用，内部的ExchangeClient换成了LazyConnectExchangeClient。
第三步provider进程重启，consumer再次调用时，会重新获取到这个已经关闭的ReferenceCountExchangeClient。判断代码为
````
referenceCountExchangeClient == null || referenceCountExchangeClient.isClosed()
````
而referenceCountExchangeClient.isClosed()会调用到LazyConnectExchangeClient的isClosed方法
````
if (client != null) {
return client.isClosed();
} else {
return false;
}
````
此时还没有延迟初始化，会直接返回false，导致后续的调用都会使用这个client，每5000报告一次warning。
这个bug应该是在 #5532 这个pr被合并后触发，原本LazyConnectExchangeClient在没有client时isClosed()方法会返回true，会在上面例子第三步时给清理掉。而在没有client时，isClosed()方法返回false，应该是针对consumer主动设置为延迟连接的情况；而consumer和provider断开连接时建立的那个LazyConnectExchangeClient的isClosed()方法应该始终返回true。
具体修复方式为模仿replaceWithLazyClient方法里的方式，在场景不同时添加参数。
通过增加一个LAZY_CLOSE_STATE_KEY，强制设置isClosed方法修改的返回值，isClosed()方法内容改为
````
if (closeState != null) {
return closeState;
}
if (client == null) {
return false;
} else {
return client.isClosed();
}
````
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[GitHub] [dubbo] YsoulM commented on pull request #6959: [Dubbo-6567] fix consumer warning "safe guard client , should not be called ,must have a bug."
Posted by GitBox <gi...@apache.org>.
YsoulM commented on pull request #6959:
URL: https://github.com/apache/dubbo/pull/6959#issuecomment-914038301
是不是在3.0.*版本中依旧存在这个问题的？3.0.*中没有找到这次修复提交的代码T_T
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[GitHub] [dubbo] pirateskipper commented on a change in pull request #6959: [Dubbo-6567] fix consumer warning "safe guard client , should not be called ,must have a bug."
Posted by GitBox <gi...@apache.org>.
pirateskipper commented on a change in pull request #6959:
URL: https://github.com/apache/dubbo/pull/6959#discussion_r694419377
##########
File path: dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/LazyConnectExchangeClient.java
##########
@@ -184,10 +191,14 @@ public void send(Object message, boolean sent) throws RemotingException {
@Override
public boolean isClosed() {
- if (client != null) {
- return client.isClosed();
- } else {
+ if (closeState != null) {
+ return closeState;
+ }
+
+ if (client == null) {
Review comment:
`return client == null ? false : client.isClosed();`
##########
File path: dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/LazyConnectExchangeClient.java
##########
@@ -57,15 +58,21 @@
/**
* lazy connect, initial state for connection
*/
- private final boolean initialState;
+ private final boolean initialConnectState;
+ private final Boolean closeState;
private volatile ExchangeClient client;
private AtomicLong warningcount = new AtomicLong(0);
public LazyConnectExchangeClient(URL url, ExchangeHandler requestHandler) {
// lazy connect, need set send.reconnect = true, to avoid channel bad status.
this.url = url.addParameter(SEND_RECONNECT_KEY, Boolean.TRUE.toString());
this.requestHandler = requestHandler;
- this.initialState = url.getParameter(LAZY_CONNECT_INITIAL_STATE_KEY, DEFAULT_LAZY_CONNECT_INITIAL_STATE);
+ this.initialConnectState = url.getParameter(LAZY_CONNECT_INITIAL_STATE_KEY, DEFAULT_LAZY_CONNECT_INITIAL_STATE);
+ if (url.hasParameter(LAZY_CLOSE_STATE_KEY)) {
Review comment:
`this.closeState = null;
if (url.hasParameter(LAZY_CLOSE_STATE_KEY)) {
this.closeState = Boolean.parseBoolean(url.getParameter(LAZY_CLOSE_STATE_KEY));
}`
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[GitHub] [dubbo] AlbumenJ commented on pull request #6959: [Dubbo-6567] fix consumer warning "safe guard client , should not be called ,must have a bug."
Posted by GitBox <gi...@apache.org>.
AlbumenJ commented on pull request #6959:
URL: https://github.com/apache/dubbo/pull/6959#issuecomment-864673998
> > > @AlbumenJ 什么时候放出FIX这个BUG的新版本？
> >
> >
> > 本月会发 2.7.12 版本
>
> 2.7.12版本已经发布，但是release log上并无该问题的修复说明。请问该问题已经修复了吗？
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[GitHub] [dubbo] CrazyHZM closed pull request #6959: [Dubbo-6567] fix consumer warning "safe guard client , should not be called ,must have a bug."
Posted by GitBox <gi...@apache.org>.
CrazyHZM closed pull request #6959:
URL: https://github.com/apache/dubbo/pull/6959
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[GitHub] [dubbo] coder-michaelwu edited a comment on pull request #6959: [Dubbo-6567] fix consumer warning "safe guard client , should not be called ,must have a bug."
Posted by GitBox <gi...@apache.org>.
coder-michaelwu edited a comment on pull request #6959:
URL: https://github.com/apache/dubbo/pull/6959#issuecomment-933442143
今天在`dubbo 2.7.8`，` spring-cloud-starter-dubbo:2.2.6.RELEASE` 也遇见这个问题，不过貌似除了打印出该日志，并没有其他影响，仅在此评论，留作记录。
```
2021-10-04 20:25:49.943 WARN 46224 --- [nio-8888-exec-8] o.a.d.r.p.d.LazyConnectExchangeClient : safe guard client , should not be called ,must have a bug.
java.lang.IllegalStateException: safe guard client , should not be called ,must have a bug.
at org.apache.dubbo.rpc.protocol.dubbo.LazyConnectExchangeClient.warning(LazyConnectExchangeClient.java:138) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.dubbo.LazyConnectExchangeClient.request(LazyConnectExchangeClient.java:127) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.dubbo.ReferenceCountExchangeClient.request(ReferenceCountExchangeClient.java:91) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.dubbo.DubboInvoker.doInvoke(DubboInvoker.java:105) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.AbstractInvoker.invoke(AbstractInvoker.java:163) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.AsyncToSyncInvoker.invoke(AsyncToSyncInvoker.java:52) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.listener.ListenerInvokerWrapper.invoke(ListenerInvokerWrapper.java:78) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:89) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:83) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:51) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:83) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.filter.ConsumerContextFilter.invoke(ConsumerContextFilter.java:69) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:83) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:56) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:82) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:260) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.cluster.interceptor.ClusterInterceptor.intercept(ClusterInterceptor.java:47) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.cluster.support.wrapper.AbstractCluster$InterceptorInvokerNode.invoke(AbstractCluster.java:92) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:88) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:74) [dubbo-2.7.8.jar:2.7.8]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_231]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_231]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_231]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_231]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:878) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:792) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) [tomcat-embed-core-9.0.46.jar:4.0.FR]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) [tomcat-embed-core-9.0.46.jar:4.0.FR]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) [tomcat-embed-websocket-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1707) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.46.jar:9.0.46]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_231]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_231]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.46.jar:9.0.46]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_231]
```
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[GitHub] [dubbo] coder-michaelwu commented on pull request #6959: [Dubbo-6567] fix consumer warning "safe guard client , should not be called ,must have a bug."
Posted by GitBox <gi...@apache.org>.
coder-michaelwu commented on pull request #6959:
URL: https://github.com/apache/dubbo/pull/6959#issuecomment-933442143
今天在`dubbo 2.7.8`，` spring-cloud-starter-dubbo:2.2.6.RELEASE` 也遇见这个问题，不过貌似除了打印出该日志，并没有其他影响，在次评论，留作记录。
```
2021-10-04 20:25:49.943 WARN 46224 --- [nio-8888-exec-8] o.a.d.r.p.d.LazyConnectExchangeClient : safe guard client , should not be called ,must have a bug.
java.lang.IllegalStateException: safe guard client , should not be called ,must have a bug.
at org.apache.dubbo.rpc.protocol.dubbo.LazyConnectExchangeClient.warning(LazyConnectExchangeClient.java:138) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.dubbo.LazyConnectExchangeClient.request(LazyConnectExchangeClient.java:127) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.dubbo.ReferenceCountExchangeClient.request(ReferenceCountExchangeClient.java:91) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.dubbo.DubboInvoker.doInvoke(DubboInvoker.java:105) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.AbstractInvoker.invoke(AbstractInvoker.java:163) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.AsyncToSyncInvoker.invoke(AsyncToSyncInvoker.java:52) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.listener.ListenerInvokerWrapper.invoke(ListenerInvokerWrapper.java:78) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:89) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:83) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:51) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:83) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.filter.ConsumerContextFilter.invoke(ConsumerContextFilter.java:69) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:83) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:56) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:82) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:260) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.cluster.interceptor.ClusterInterceptor.intercept(ClusterInterceptor.java:47) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.cluster.support.wrapper.AbstractCluster$InterceptorInvokerNode.invoke(AbstractCluster.java:92) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:88) [dubbo-2.7.8.jar:2.7.8]
at org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:74) [dubbo-2.7.8.jar:2.7.8]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_231]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_231]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_231]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_231]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:878) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:792) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) [tomcat-embed-core-9.0.46.jar:4.0.FR]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) [spring-webmvc-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) [tomcat-embed-core-9.0.46.jar:4.0.FR]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) [tomcat-embed-websocket-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1707) [tomcat-embed-core-9.0.46.jar:9.0.46]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.46.jar:9.0.46]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_231]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_231]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.46.jar:9.0.46]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_231]
```
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[GitHub] [dubbo] CrazyHZM commented on pull request #6959: [Dubbo-6567] fix consumer warning "safe guard client , should not be called ,must have a bug."
Posted by GitBox <gi...@apache.org>.
CrazyHZM commented on pull request #6959:
URL: https://github.com/apache/dubbo/pull/6959#issuecomment-939307660
Try it with the latest version.
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[GitHub] [dubbo] masquee commented on pull request #6959: [Dubbo-6567] fix consumer warning "safe guard client , should not be called ,must have a bug."
Posted by GitBox <gi...@apache.org>.
masquee commented on pull request #6959:
URL: https://github.com/apache/dubbo/pull/6959#issuecomment-876069629
`
safe guard client , should not be called ,must have a bug.
`
这个英文有点水平...
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