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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/10/05 17:55:34 UTC
[GitHub] [dubbo-samples] zrlw opened a new issue #378: Curator和ZK的版本问题
zrlw opened a new issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378
github构建集成测试断言失败:
```
2021-10-05T02:50:59.8126068Z java.lang.AssertionError
2021-10-05T02:50:59.8126612Z at org.junit.Assert.fail(Assert.java:86)
2021-10-05T02:50:59.8127249Z at org.junit.Assert.assertTrue(Assert.java:41)
2021-10-05T02:50:59.8127939Z at org.junit.Assert.assertTrue(Assert.java:52)
2021-10-05T02:50:59.8129233Z at org.apache.dubbo.samples.version.VersionServiceStarIT.test(VersionServiceStarIT.java:48)
```
一个接口有两个不同版本的dubbo服务，负载均衡为默认的随机模式，客户端连续调用10次服务结果都调用了其中一个服务。
从日志看其中一个服务向ZK注册时出了问题：
```
2021-10-05T02:50:59.9117330Z [05/10/21 02:50:43:043 UTC] Curator-Framework-0 WARN utils.ZKPaths: The version of ZooKeeper being used doesn't support Container nodes. CreateMode.PERSISTENT will be used instead.
```
网上搜了一下，说是curator和zk版本不兼容导致的问题。
从github日志看，zk客户端使用的是3.4.13，curator framework版本是4.0.1，zk服务端版本是3.7.0：
```
2021-10-05T02:50:59.7529466Z [05/10/21 02:50:52:052 UTC] main INFO utils.Compatibility: Running in ZooKeeper 3.4.x compatibility mode
2021-10-05T02:50:59.7530246Z [05/10/21 02:50:52:052 UTC] main INFO imps.CuratorFrameworkImpl: Starting
2021-10-05T02:50:59.7531703Z [05/10/21 02:50:52:052 UTC] main INFO zookeeper.ZooKeeper: Client environment:zookeeper.version=3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03, built on 06/29/2018 00:39 GMT <== zk client版本3.4.13
2021-10-05T02:50:59.7533172Z [05/10/21 02:50:52:052 UTC] main INFO zookeeper.ZooKeeper: Client environment:host.name=dubbo-samples-version-consumer
2021-10-05T02:50:59.7534769Z [05/10/21 02:50:52:052 UTC] main INFO zookeeper.ZooKeeper: Client environment:java.version=1.8.0_302
2021-10-05T02:50:59.7535628Z [05/10/21 02:50:52:052 UTC] main INFO zookeeper.ZooKeeper: Client environment:java.vendor=Oracle Corporation
2021-10-05T02:50:59.7536790Z [05/10/21 02:50:52:052 UTC] main INFO zookeeper.ZooKeeper: Client environment:java.home=/usr/local/openjdk-8/jre
2021-10-05T02:50:59.7551508Z [05/10/21 02:50:52:052 UTC] main INFO zookeeper.ZooKeeper: Client environment:java.class.path=dubbo-test-runner.jar:/usr/local/dubbo/app/test-classes:/usr/local/dubbo/app/classes:/usr/local/dubbo/app/dependency/jline-0.9.94.jar:/usr/local/dubbo/app/dependency/jackson-core-asl-1.9.13.jar:/usr/local/dubbo/app/dependency/slf4j-api-1.7.25.jar:/usr/local/dubbo/app/dependency/fastjson-1.2.70.jar:/usr/local/dubbo/app/dependency/curator-client-4.0.1.jar:/usr/local/dubbo/app/dependency/commons-logging-1.2.jar:/usr/local/dubbo/app/dependency/spring-test-4.3.30.RELEASE.jar:/usr/local/dubbo/app/dependency/slf4j-log4j12-1.7.25.jar:/usr/local/dubbo/app/dependency/spring-context-4.3.30.RELEASE.jar:/usr/local/dubbo/app/dependency/junit-4.12.jar:/usr/local/dubbo/app/dependency/curator-x-discovery-4.0.1.jar:/usr/local/dubbo/app/dependency/spring-expression-4.3.30.RELEASE.jar:/usr/local/dubbo/app/dependency/gson-2.8.5.jar:/usr/local/dubbo/app/dependency/dubbo-2.7.14-SNA
PSHOT.jar:/usr/local/dubbo/app/dependency/spring-core-4.3.30.RELEASE.jar:/usr/local/dubbo/app/dependency/spring-aop-4.3.30.RELEASE.jar:/usr/local/dubbo/app/dependency/hamcrest-core-1.3.jar:/usr/local/dubbo/app/dependency/spring-beans-4.3.30.RELEASE.jar:/usr/local/dubbo/app/dependency/netty-all-4.1.66.Final.jar:/usr/local/dubbo/app/dependency/zookeeper-3.4.13.jar:/usr/local/dubbo/app/dependency/audience-annotations-0.5.0.jar:/usr/local/dubbo/app/dependency/snakeyaml-1.20.jar:/usr/local/dubbo/app/dependency/log4j-1.2.16.jar:/usr/local/dubbo/app/dependency/curator-recipes-4.0.1.jar:/usr/local/dubbo/app/dependency/javassist-3.23.1-GA.jar:/usr/local/dubbo/app/dependency/spring-context-support-1.0.11.jar:/usr/local/dubbo/app/dependency/curator-framework-4.0.1.jar:/usr/local/dubbo/app/dependency/guava-20.0.jar:/usr/local/dubbo/app/dependency/jackson-mapper-asl-1.9.13.jar <== curator-framework版本4.0.1
... ... ...
2021-10-05T02:51:00.0674913Z 2021-10-05 02:50:37,206 [myid:1] - INFO [main:Environment@98] - Server environment:zookeeper.version=3.7.0-e3704b390a6697bfdf4b0bef79e3da7a4f6bac4b, built on 2021-03-17 09:46 UTC <== zk服务端版本3.7.0
2021-10-05T02:51:00.0676208Z 2021-10-05 02:50:37,206 [myid:1] - INFO [main:Environment@98] - Server environment:host.name=zookeeper
2021-10-05T02:51:00.0677198Z 2021-10-05 02:50:37,207 [myid:1] - INFO [main:Environment@98] - Server environment:java.version=11.0.12
2021-10-05T02:51:00.0678229Z 2021-10-05 02:50:37,207 [myid:1] - INFO [main:Environment@98] - Server environment:java.vendor=Oracle Corporation
```
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[GitHub] [dubbo-samples] AlbumenJ closed issue #378: 集成测试VersionServiceStarIT有时会失败
Posted by GitBox <gi...@apache.org>.
AlbumenJ closed issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378
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[GitHub] [dubbo-samples] zrlw commented on issue #378: 集成测试VersionServiceStarIT有时会失败
Posted by GitBox <gi...@apache.org>.
zrlw commented on issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378#issuecomment-936529689
github日志显示version的3个集成测试类先后执行顺序是VersionService2IT、VersionServiceStarIT、VersionService1IT，只有VersionServiceStarIT失败了，从日志看VersionServiceStarIT从注册中心拿到了2个服务实例：
```
[05/10/21 02:50:55:055 UTC] main INFO zookeeper.ZookeeperRegistry: [DUBBO] Notify urls for subscribe url consumer://192.168.80.5/org.apache.dubbo.samples.version.api.VersionService?application=version-consumer-1&category=providers,configurators,routers&dubbo=2.0.2&init=false&interface=org.apache.dubbo.samples.version.api.VersionService&metadata-type=remote&methods=sayHello&pid=19&release=2.7.14-SNAPSHOT&revision=*&side=consumer&sticky=false×tamp=1633402255073&version=*, urls: [dubbo://192.168.80.3:20880/org.apache.dubbo.samples.version.api.VersionService?anyhost=true&application=version-provider&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=org.apache.dubbo.samples.version.api.VersionService&metadata-type=remote&methods=sayHello&pid=20&release=2.7.14-SNAPSHOT&revision=1.0.0&service.name=ServiceBean:/org.apache.dubbo.samples.version.api.VersionService:1.0.0&side=provider×tamp=1633402243059&token=11c5796d-1931-4414-a827-a3fda9bbbe25&version=1.0.0, dub
bo://192.168.80.4:20882/org.apache.dubbo.samples.version.api.VersionService?anyhost=true&application=version-provider2&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=org.apache.dubbo.samples.version.api.VersionService&metadata-type=remote&methods=sayHello&pid=20&release=2.7.14-SNAPSHOT&revision=2.0.0&service.name=ServiceBean:/org.apache.dubbo.samples.version.api.VersionService:2.0.0&side=provider×tamp=1633402243665&token=6f21afe9-7e85-4703-a635-c8ccadc30755&version=2.0.0, empty://192.168.80.5/org.apache.dubbo.samples.version.api.VersionService?application=version-consumer-1&category=configurators&dubbo=2.0.2&init=false&interface=org.apache.dubbo.samples.version.api.VersionService&metadata-type=remote&methods=sayHello&pid=19&release=2.7.14-SNAPSHOT&revision=*&side=consumer&sticky=false×tamp=1633402255073&version=*, empty://192.168.80.5/org.apache.dubbo.samples.version.api.VersionService?application=version-consumer-1&category=routers&dubbo=2.0.2&init=fals
e&interface=org.apache.dubbo.samples.version.api.VersionService&metadata-type=remote&methods=sayHello&pid=19&release=2.7.14-SNAPSHOT&revision=*&side=consumer&sticky=false×tamp=1633402255073&version=*], dubbo version: 2.7.14-SNAPSHOT, current host: 192.168.80.5
```
其中192.168.80.4:20882是VersionService2IT使用2.0.0版本的接口，连接在执行VersionService2IT测试时已经建好，192.168.80.3:20880是1.0.0版本的接口，日志显示需要新建连接：
```
[05/10/21 02:50:55:055 UTC] main INFO transport.AbstractClient: [DUBBO] Start NettyClient /192.168.80.5 connect to the server /192.168.80.3:20880, dubbo version: 2.7.14-SNAPSHOT, current host: 192.168.80.5
<== 创建连接到1.0.0版本服务
[05/10/21 02:50:55:055 UTC] main INFO config.ReferenceConfig: [DUBBO] Refer dubbo service org.apache.dubbo.samples.version.api.VersionService from url dubbo://192.168.80.5/org.apache.dubbo.samples.version.api.VersionService?application=version-consumer-1&dubbo=2.0.2&init=false&interface=org.apache.dubbo.samples.version.api.VersionService&metadata-type=remote&methods=sayHello&pid=19®ister.ip=192.168.80.5&release=2.7.14-SNAPSHOT&revision=*&side=consumer&sticky=false×tamp=1633402255073&version=*, dubbo version: 2.7.14-SNAPSHOT, current host: 192.168.80.5
<== master分支ReferenceConfig的createProxy方法
[05/10/21 02:50:55:055 UTC] DubboSaveMetadataReport-thread-1 INFO zookeeper.ZookeeperMetadataReport: [DUBBO] store consumer metadata. Identifier : org.apache.dubbo.metadata.report.identifier.MetadataIdentifier@7fd8366a; definition: {init=false, side=consumer, metadata-type=remote, application=version-consumer-1, release=2.7.14-SNAPSHOT, methods=sayHello, sticky=false, dubbo=2.0.2, interface=org.apache.dubbo.samples.version.api.VersionService, version=*, revision=*}, dubbo version: 2.7.14-SNAPSHOT, current host: 192.168.80.5
[05/10/21 02:50:55:055 UTC] main INFO support.PostProcessorRegistrationDelegate$BeanPostProcessorChecker: Bean 'versionService' of type [org.apache.dubbo.common.bytecode.proxy0] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
[05/10/21 02:50:55:055 UTC] main INFO support.PostProcessorRegistrationDelegate$BeanPostProcessorChecker: Bean 'org.apache.dubbo.samples.version.VersionServiceStarIT' of type [org.apache.dubbo.samples.version.VersionServiceStarIT] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
[05/10/21 02:50:55:055 UTC] NettyClientWorker-4-2 INFO netty4.NettyClientHandler: [DUBBO] The connection of /192.168.80.5:44230 -> /192.168.80.3:20880 is established., dubbo version: 2.7.14-SNAPSHOT, current host: 192.168.80.5
<== 已连接1.0.0版本的服务
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.725 s <<< FAILURE! - in org.apache.dubbo.samples.version.VersionServiceStarIT
```
从日志顺序看，可能是1.0.0版本的连接尚未完成建立就开始测试了，所以只调用了版本2.0.0的服务。
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[GitHub] [dubbo-samples] zrlw commented on issue #378: Curator和ZK的版本问题
Posted by GitBox <gi...@apache.org>.
zrlw commented on issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378#issuecomment-935601815
dubbo的dubbo-config-spring的pom.xml使用的版本：
<curator5_version>5.1.0</curator5_version>
<zookeeper_version>3.6.0</zookeeper_version>
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[GitHub] [dubbo-samples] zrlw edited a comment on issue #378: Curator和ZK的版本问题
Posted by GitBox <gi...@apache.org>.
zrlw edited a comment on issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378#issuecomment-934637393
可能需要升级curator版本
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[GitHub] [dubbo-samples] zrlw edited a comment on issue #378: Curator和ZK的版本问题
Posted by GitBox <gi...@apache.org>.
zrlw edited a comment on issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378#issuecomment-935601815
dubbo-config-spring的pom.xml文件配置的单元测试使用的curator和zk版本：
```
<curator5_version>5.1.0</curator5_version>
<zookeeper_version>3.6.0</zookeeper_version>
```
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[GitHub] [dubbo-samples] zrlw edited a comment on issue #378: Curator和ZK的版本问题
Posted by GitBox <gi...@apache.org>.
zrlw edited a comment on issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378#issuecomment-934637393
可能需要升级zk client版本到3.5.7，
或者升级curator到4.2.0：
ZooKeeper Version 3.4.x Compatibility
https://curator.apache.org/zk-compatibility-34.html
ZooKeeper 3.4.x is now at end-of-life. Consequently, the latest versions of Curator have removed support for it. If you wish to use Curator with ZooKeeper 3.4.x you should pin to version 4.2.x of Curator. Curator 4.2.x supports ZooKeeper 3.4.x ensembles in a soft-compatibility mode. To use this mode you must exclude ZooKeeper when adding Curator to your dependency management tool.
Maven
```
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-recipes</artifactId>
<version>4.2.0</version>
<exclusions>
<exclusion>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
</exclusion>
</exclusions>
</dependency>
```
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[GitHub] [dubbo-samples] zrlw edited a comment on issue #378: 集成测试VersionServiceStarIT有时会失败
Posted by GitBox <gi...@apache.org>.
zrlw edited a comment on issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378#issuecomment-935601815
如果升级集成测试使用的curator和zk版本，可以参考一下dubbo-config-spring的pom.xml文件配置的单元测试使用的curator和zk版本：
```
<curator5_version>5.1.0</curator5_version>
<zookeeper_version>3.6.0</zookeeper_version>
```
```
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-framework</artifactId>
<version>${curator5_version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-recipes</artifactId>
<version>${curator5_version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-x-discovery</artifactId>
<version>${curator5_version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>${zookeeper_version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-test</artifactId>
<version>${curator5_version}</version>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
</exclusion>
</exclusions>
</dependency>
```
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[GitHub] [dubbo-samples] zrlw edited a comment on issue #378: Curator和ZK的版本问题
Posted by GitBox <gi...@apache.org>.
zrlw edited a comment on issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378#issuecomment-934637393
可能需要升级zk client版本到3.5.7
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[GitHub] [dubbo-samples] zrlw commented on issue #378: Curator和ZK的版本问题
Posted by GitBox <gi...@apache.org>.
zrlw commented on issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378#issuecomment-934637393
see https://www.baeldung.com/apache-curator
```
The latest version of Apache Curator 4.X.X has a hard dependency with Zookeeper 3.5.X which is still in beta right now.
```
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[GitHub] [dubbo-samples] zrlw edited a comment on issue #378: 集成测试VersionServiceStarIT有时会失败
Posted by GitBox <gi...@apache.org>.
zrlw edited a comment on issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378#issuecomment-934637393
要兼容zk 3.4.x，需要使用curator 4.2.0 （目前maven上4.2.x的curator只有4.2.0版本）
ZooKeeper Version 3.4.x Compatibility
https://curator.apache.org/zk-compatibility-34.html
ZooKeeper 3.4.x is now at end-of-life. Consequently, the latest versions of Curator have removed support for it. If you wish to use Curator with ZooKeeper 3.4.x you should pin to version 4.2.x of Curator. Curator 4.2.x supports ZooKeeper 3.4.x ensembles in a soft-compatibility mode. To use this mode you must exclude ZooKeeper when adding Curator to your dependency management tool.
Maven
```
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-recipes</artifactId>
<version>4.2.0</version>
<exclusions>
<exclusion>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
</exclusion>
</exclusions>
</dependency>
```
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[GitHub] [dubbo-samples] zrlw edited a comment on issue #378: Curator和ZK的版本问题
Posted by GitBox <gi...@apache.org>.
zrlw edited a comment on issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378#issuecomment-935601815
dubbo-config-spring的pom.xml文件配置的单元测试使用的curator和zk版本：
```
<curator5_version>5.1.0</curator5_version>
<zookeeper_version>3.6.0</zookeeper_version>
```
```
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-framework</artifactId>
<version>${curator5_version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-recipes</artifactId>
<version>${curator5_version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-x-discovery</artifactId>
<version>${curator5_version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>${zookeeper_version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-test</artifactId>
<version>${curator5_version}</version>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
</exclusion>
</exclusions>
</dependency>
```
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[GitHub] [dubbo-samples] zrlw edited a comment on issue #378: Curator和ZK的版本问题
Posted by GitBox <gi...@apache.org>.
zrlw edited a comment on issue #378:
URL: https://github.com/apache/dubbo-samples/issues/378#issuecomment-934637393
可能需要升级zk client版本到3.5.5以上，
或者升级curator到4.2.0：
ZooKeeper Version 3.4.x Compatibility
https://curator.apache.org/zk-compatibility-34.html
ZooKeeper 3.4.x is now at end-of-life. Consequently, the latest versions of Curator have removed support for it. If you wish to use Curator with ZooKeeper 3.4.x you should pin to version 4.2.x of Curator. Curator 4.2.x supports ZooKeeper 3.4.x ensembles in a soft-compatibility mode. To use this mode you must exclude ZooKeeper when adding Curator to your dependency management tool.
Maven
```
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-recipes</artifactId>
<version>4.2.0</version>
<exclusions>
<exclusion>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
</exclusion>
</exclusions>
</dependency>
```
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