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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2022/06/13 13:01:46 UTC
[GitHub] [dubbo] xiaohei88 opened a new issue, #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
xiaohei88 opened a new issue, #10150:
URL: https://github.com/apache/dubbo/issues/10150
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- [ ] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.
### Environment
* Dubbo version: 2.7.15
* Operating System version: mac
* Java version: 8
### Steps to reproduce this issue
环境：zk：3.6.0以上，curator：5.1.0以上
shutdown后，会报错：
```java
20:57:49.731 [main-EventThread] ERROR o.a.c.f.recipes.cache.NodeCache -
java.lang.IllegalStateException: Expected state [STARTED] was [STOPPED]
at org.apache.curator.shaded.com.google.common.base.Preconditions.checkState(Preconditions.java:823)
at org.apache.curator.framework.imps.CuratorFrameworkImpl.checkState(CuratorFrameworkImpl.java:457)
at org.apache.curator.framework.imps.CuratorFrameworkImpl.checkExists(CuratorFrameworkImpl.java:484)
at org.apache.curator.framework.recipes.cache.NodeCache.reset(NodeCache.java:261)
at org.apache.curator.framework.recipes.cache.NodeCache.access$100(NodeCache.java:60)
at org.apache.curator.framework.recipes.cache.NodeCache$2.process(NodeCache.java:104)
at org.apache.curator.framework.imps.NamespaceWatcher.process(NamespaceWatcher.java:77)
at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:588)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:563)
```
<img width="1212" alt="image" src="https://user-images.githubusercontent.com/2033687/173359443-5ac91e24-3ea9-4d7f-bdb1-f2ec48368c42.png">
将zk降级到3.6.0以下就不会有这个问题，因为没框框里面这个事件。
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[GitHub] [dubbo] DemoCap commented on issue #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
Posted by GitBox <gi...@apache.org>.
DemoCap commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1177342309
> 这里的问题和 Dubbo 关联点是什么，有什么修改建议么？
Environment
Dubbo version: 2.7.16
Operating System version: window 11
Java version: 8
Steps to reproduce this issue
环境：zk：3.7.1，curator：5.2.1。
错误发生时的调用堆栈如下：
```java
org.apache.curator.framework.recipes.cache.NodeCache$2#process(104)
org.apache.curator.framework.imps.NamespaceWatcher#process(77)
org.apache.zookeeper.ClientCnxn$EventThread#processEvent(578)
org.apache.zookeeper.ClientCnxn$EventThread#run(553)
```
我暂时通过覆盖org.apache.curator.framework.recipes.cache.NodeCache#watcher#process(WatchedEvent event)方法抑制了错误
```java
private Watcher watcher = new Watcher()
{
@Override
public void process(WatchedEvent event)
{
try
{
//change start
if(event.getState().equals(Event.KeeperState.Closed) && null == event.getPath() && Event.EventType.None.equals(event.getType())){
return;
}
//change end
reset();
}
catch(Exception e)
{
ThreadUtils.checkInterrupted(e);
handleException(e);
}
}
};
```
我想Curator5ZookeeperClient使用了被标记为Deprecated的org.apache.curator.framework.recipes.cache.NodeCache，如果更换为org.apache.curator.framework.recipes.cache.CuratorCache是否为更好，由于未能读懂源码，我没能替换成功。
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[GitHub] [dubbo] wow981 commented on issue #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
Posted by "wow981 (via GitHub)" <gi...@apache.org>.
wow981 commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1594206775
springboot 使用3.2.2版本 优雅停机也会有这个异常。
dubbo-dependencies-zookeeper:3.2.2
org.apache.dubbo:dubbo-spring-boot-starter:3.2.2
2023-06-16 14:54:06.738 [ERROR]-[main-EventThread] [] org.apache.curator.framework.recipes.cache.NodeCache -
java.lang.IllegalStateException: Expected state [STARTED] was [STOPPED]
at org.apache.curator.shaded.com.google.common.base.Preconditions.checkState(Preconditions.java:823) ~[curator-client-4.3.0.jar:?]
at org.apache.curator.framework.imps.CuratorFrameworkImpl.checkState(CuratorFrameworkImpl.java:432) ~[curator-framework-4.3.0.jar:4.3.0]
at org.apache.curator.framework.imps.CuratorFrameworkImpl.checkExists(CuratorFrameworkImpl.java:459) ~[curator-framework-4.3.0.jar:4.3.0]
at org.apache.curator.framework.recipes.cache.NodeCache.reset(NodeCache.java:258) ~[curator-recipes-4.3.0.jar:4.3.0]
at org.apache.curator.framework.recipes.cache.NodeCache.access$100(NodeCache.java:57) ~[curator-recipes-4.3.0.jar:4.3.0]
at org.apache.curator.framework.recipes.cache.NodeCache$2.process(NodeCache.java:101) ~[curator-recipes-4.3.0.jar:4.3.0]
at org.apache.curator.framework.imps.NamespaceWatcher.process(NamespaceWatcher.java:77) ~[curator-framework-4.3.0.jar:4.3.0]
at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:578) ~[zookeeper-3.8.1.jar:3.8.1]
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:553) ~[zookeeper-3.8.1.jar:3.8.1]
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Re: [I] shutdown后报错：Expected state [STARTED] was [STOPPED] [dubbo]
Posted by "aimilin6688 (via GitHub)" <gi...@apache.org>.
aimilin6688 commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-2053523723
我的 v3.2.11 存在同样的问题
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[GitHub] [dubbo] JavaHello commented on issue #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
Posted by "JavaHello (via GitHub)" <gi...@apache.org>.
JavaHello commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1543186336
3.1.7 有同样的问题
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Re: [I] shutdown后报错：Expected state [STARTED] was [STOPPED] [dubbo]
Posted by "kuman62 (via GitHub)" <gi...@apache.org>.
kuman62 commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1788613963
dubbo 2.7.23 curator 4.3.0 zookeeper 3.5.7 存在同样的问题。升级curator至5.x不能解决问题。只有当将dubbo降级到2.7.8没问题。
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[GitHub] [dubbo] JavaHello commented on issue #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
Posted by "JavaHello (via GitHub)" <gi...@apache.org>.
JavaHello commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1674860153
> 如果不使用ZK作为配置中心或不使用配置中心，可以通过设置dubbo.registry.useAsConfigCenter=false回避这个错误。通过断点发现使用该功能会多增加几个以.configurator为后缀的watcher。虽然root cause仍未找到但没有发现这样修改对基础功能有其他影响，包括优雅停机。 PS：ZK的降级目前测试不能解决该问题 测试环境：dubbo 2.7.23(2.7.8没有该问题)，curator 5.1.0 zookeeper 3.6.1
- `dubbo 3.1.7` `curator 5.4.0` `zookeeper 3.7.1` 配置后没有出现报错了
- 如果使用 spring 的优雅停机(https://github.com/apache/dubbo/issues/12210), 需要添加 `-Ddubbo.shutdownHook.listenIgnore=true`
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[GitHub] [dubbo] AlbumenJ commented on issue #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
Posted by "AlbumenJ (via GitHub)" <gi...@apache.org>.
AlbumenJ commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1676820277
> * 如果使用 spring 的优雅停机([Dubbo3优雅上下线问题 #12210](https://github.com/apache/dubbo/issues/12210)), 需要添加 `-Ddubbo.shutdownHook.listenIgnore=true`
3.2.x 以后可以不需要配置 Shutdown Hook 的忽略了，会自动等待 Spring 完成的
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[GitHub] [dubbo] chickenlj commented on issue #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
Posted by GitBox <gi...@apache.org>.
chickenlj commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1154768474
这里的问题和 Dubbo 关联点是什么，有什么修改建议么？
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[GitHub] [dubbo] liaozan commented on issue #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
Posted by "liaozan (via GitHub)" <gi...@apache.org>.
liaozan commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1644308951
请问这个 fix 什么时候合并？
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[GitHub] [dubbo] wow981 commented on issue #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
Posted by "wow981 (via GitHub)" <gi...@apache.org>.
wow981 commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1594204829
org.apache.dubbo:dubbo-spring-boot-starter:3.2.2
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[GitHub] [dubbo] H-Bob commented on issue #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
Posted by GitBox <gi...@apache.org>.
H-Bob commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1231085783
I have the same problem and I've tried in some ways, like changing zk version or monitoring my thread model. However, it has not be solved.
Environment
Dubbo version: 3.0.8
Operating System version: mac and windows 10
Java version: 17
zk: 3.7.1
curator: 5.2.1
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[GitHub] [dubbo] xiaohei88 commented on issue #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
Posted by GitBox <gi...@apache.org>.
xiaohei88 commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1153891645
https://github.com/apache/zookeeper/pull/1874/files/4ecb98285a95d3e608c258fbdbd966b5b98372b1#diff-9657d4a14708c9ec1df56fd01581a442e10ef70cae39c7223d4f979b0ae54263
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[GitHub] [dubbo] danielludan commented on issue #10150: shutdown后报错：Expected state [STARTED] was [STOPPED]
Posted by "danielludan (via GitHub)" <gi...@apache.org>.
danielludan commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-1672926493
如果不使用配置中心功能，可以通过设置dubbo.registry.useAsConfigCenter=false回避这个错误。通过断点发现使用该功能会多增加几个以.configurator为后缀的watcher。虽然root cause仍未找到但没有发现这样修改对基础功能有其他影响，包括优雅停机。
PS：ZK的降级目前测试不能解决该问题
测试环境：dubbo 2.7.23(2.7.8没有该问题)，curator 5.1.0 zookeeper 3.6.1
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Re: [I] shutdown后报错：Expected state [STARTED] was [STOPPED] [dubbo]
Posted by "kuman62 (via GitHub)" <gi...@apache.org>.
kuman62 commented on issue #10150:
URL: https://github.com/apache/dubbo/issues/10150#issuecomment-2053651986
dependencies {
implementation 'org.apache.dubbo:dubbo:2.7.23'
implementation 'org.apache.dubbo:dubbo-dependencies-zookeeper:2.7.23'
implementation 'org.apache.curator:curator-framework:4.2.0'
implementation 'org.apache.zookeeper:zookeeper:3.5.7' {
exclude group: 'org.slf4j', module: 'lf4j-log4j12'
}
}
依赖包不同版本存在冲突，按照上面的依赖包版本可正常
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