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CodisLabs / jodis

A java client for codis based on Jedis and Curator
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jodis链接codis3.x出现proxy list empty #28

Closed liu67224657 closed 7 years ago

liu67224657 commented 7 years ago 
Exception in thread "main" redis.clients.jedis.exceptions.JedisException: Proxy list empty
    at io.codis.jodis.RoundRobinJedisPool.getResource(RoundRobinJedisPool.java:207)
    at com.enjoyf.platform.util.redis.JodisManager.set(JodisManager.java:52)
    at com.enjoyf.platform.util.redis.JodisManager.main(JodisManager.java:62)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)

proxy.toml相关设置如下：

jodis_name = ""
jodis_addr = "web001.dev:2181,web002.dev:2181"
jodis_timeout = "20s"
jodis_compatible = false

jodis链接的代码如下: pool = RoundRobinJedisPool.create().curatorClient("web001.dev:2181,web002.dev:2181", 30000).zkProxyDir("/jodis/codis-demo").build();

zookeeper中proxy有数据

[zk: localhost:2181(CONNECTED) 0] ls /codis3/codis-demo/proxy
[proxy-9cec7123adc59b0306635d4441a99d53]

zookeeper中/jodis/codis-demo为空

spinlock commented 7 years ago

jodis_name 填 zookeeper/etcd 不然不注册。

On Oct 14, 2016, at 16:02, liu67224657 notifications@github.com wrote:

Exception in thread "main" redis.clients.jedis.exceptions.JedisException: Proxy list empty at io.codis.jodis.RoundRobinJedisPool.getResource(RoundRobinJedisPool.java:207) at com.enjoyf.platform.util.redis.JodisManager.set(JodisManager.java:52) at com.enjoyf.platform.util.redis.JodisManager.main(JodisManager.java:62) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)

proxy.toml相关设置如下： jodis_name = "" jodis_addr = "web001.dev:2181,web002.dev:2181" jodis_timeout = "20s" jodis_compatible = false

jodis链接的代码如下: pool = RoundRobinJedisPool.create().curatorClient("web001.dev:2181,web002.dev:2181", 30000).zkProxyDir("/jodis/codis-demo").build();

zookeeper中proxy有数据 [zk: localhost:2181(CONNECTED) 0] ls /codis3/codis-demo/proxy [proxy-9cec7123adc59b0306635d4441a99d53]

zookeeper中/jodis/codis-demo为空

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liu67224657 commented 7 years ago

@spinlock 修改之后在zookeeper中出现如下的目录

[zk: localhost:2181(CONNECTED) 10] ls /codis3/codis-demo/jodis
[proxy-9cec7123adc59b0306635d4441a99d53]

客户端JAVA代码调用： pool = RoundRobinJedisPool.create().curatorClient("web001.dev:2181,web002.dev:2181", 30000).zkProxyDir("/codis3/codis-demo/jodis").build();

依然出现Proxy list empty

spinlock commented 7 years ago

看一下 jodis 的 README，有一点不同。https://github.com/CodisLabs/jodis https://github.com/CodisLabs/jodis

On Oct 14, 2016, at 16:14, liu67224657 notifications@github.com wrote:

@spinlock https://github.com/spinlock 修改之后在zookeeper中出现如下的目录 [zk: localhost:2181(CONNECTED) 10] ls /codis3/codis-demo/jodis [proxy-9cec7123adc59b0306635d4441a99d53]

客户端JAVA代码调用： pool = RoundRobinJedisPool.create().curatorClient("web001.dev:2181,web002.dev:2181", 30000).zkProxyDir("/codis3/codis-demo/jodis").build();

依然出现Proxy list empty

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spinlock commented 7 years ago

https://github.com/CodisLabs/codis/blob/release3.0/doc/tutorial_zh.md https://github.com/CodisLabs/codis/blob/release3.0/doc/tutorial_zh.md 里面也说了，搜一下 jodis_compatible

On Oct 14, 2016, at 16:14, liu67224657 notifications@github.com wrote:

@spinlock https://github.com/spinlock 修改之后在zookeeper中出现如下的目录 [zk: localhost:2181(CONNECTED) 10] ls /codis3/codis-demo/jodis [proxy-9cec7123adc59b0306635d4441a99d53]

客户端JAVA代码调用： pool = RoundRobinJedisPool.create().curatorClient("web001.dev:2181,web002.dev:2181", 30000).zkProxyDir("/codis3/codis-demo/jodis").build();

依然出现Proxy list empty

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liu67224657 commented 7 years ago

@spinlock proxy.toml的jodis_compatible是false

jodis_name = "zookeeper"
jodis_addr = "web001.dev:2181,web002.dev:2181"
jodis_timeout = "20s"
jodis_compatible = false
liu67224657 commented 7 years ago

@spinlock 已经解决非常感谢！

jodis_compatible=false jodis相关文件的位置是/jodis/codis-demo jodis_compatible=true jodis相关文件的位置是/zk/codis/db_codis-demo/proxy

刚才出现的问题是，我调用下面方法俩次，由于第一次执行了pool.close();，导致第二次发生了Proxy list empty

 public void set() throws IOException {
        Jedis jedis = pool.getResource();
        jedis.set("foo", "bar");
        String value = jedis.get("foo");
        System.out.println(value);
        pool.close();
    }
liu67224657 commented 7 years ago

另外我想咨询下，是否能制定jodis的dir呢？

spinlock commented 7 years ago

暂时不能。得改代码。不过现在后悔了，可以趁 3.1 没 release 让他能。。

spinlock commented 7 years ago

但是这个和 jodis_compatible 本身有点冲突。所以暂时不是很清楚怎么搞。

spinlock commented 7 years ago

@liu67224657 但是感觉意义并不是很大，你可以自己改一下 codis 代码自己定制一下。

liu67224657 commented 7 years ago

@spinlock 恩确实意义不大我就咨询下。

golf916 commented 7 years ago

proxy.toml已经这样设置了： jodis_name = "zookeeper" jodis_addr = "001.dev:2181,002.dev:2181,003.dev:2181" jodis_timeout = "20s" jodis_compatible = false 但还是空： [zk: localhost:2181(CONNECTED) 6] ls /jodis/codis-demo [] 使用了jodis 0.3.1来做测试，继续报错 Exception in thread "main" redis.clients.jedis.exceptions.JedisException: Proxy list empty at io.codis.jodis.RoundRobinJedisPool.getResource(RoundRobinJedisPool.java:199) at com.ifa.codis.test.JodisTest.main(JodisTest.java:23)

spinlock commented 7 years ago

能提供 proxy 的 log 么

On Nov 3, 2016, at 15:32, golf916 notifications@github.com wrote:

proxy.toml已经这样设置了： jodis_name = "zookeeper" jodis_addr = "001.dev:2181,002.dev:2181,003.dev:2181" jodis_timeout = "20s" jodis_compatible = false 但还是空： [zk: localhost:2181(CONNECTED) 6] ls /jodis/codis-demo [] 使用了jodis 0.3.1来做测试，继续报错 Exception in thread "main" redis.clients.jedis.exceptions.JedisException: Proxy list empty at io.codis.jodis.RoundRobinJedisPool.getResource(RoundRobinJedisPool.java:199) at com.ifa.codis.test.JodisTest.main(JodisTest.java:23)

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golf916 commented 7 years ago

在我做测试的时候，proxy 的 log没有新的内容输出。。。这什么情况？

golf916 commented 7 years ago

zk的log有内容的： 2016-11-03 15:44:48,121 [myid:1] - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@362] - Exception causing close of session 0x158290605dd0003 due to java.io.IOException: Connection reset by peer

golf916 commented 7 years ago

redis-benchmark连接proxy是可以的： redis-benchmark -n 100000 -c 6 -p 19000 -h 192.168.19.147 -d 10 -t get,set ====== SET ====== 100000 requests completed in 11.94 seconds 6 parallel clients 10 bytes payload keep alive: 1 ====== GET ====== 100000 requests completed in 10.15 seconds 6 parallel clients 10 bytes payload keep alive: 1

Dashboard上的OP/s图形也是正常的。 @spinlock 有啥建议？

spinlock commented 7 years ago

你启动 proxy 参数是什么？codis-proxy 不应该没有任何 log 是不是 log 创建失败。你追一下 zk 吧，应该是 proxy 打不开 zk 导致的。

On Nov 3, 2016, at 17:09, golf916 notifications@github.com wrote:

redis-benchmark连接proxy是可以的： redis-benchmark -n 100000 -c 6 -p 19000 -h 192.168.19.147 -d 10 -t get,set ====== SET ====== 100000 requests completed in 11.94 seconds 6 parallel clients 10 bytes payload keep alive: 1 ====== GET ====== 100000 requests completed in 10.15 seconds 6 parallel clients 10 bytes payload keep alive: 1

Dashboard上的OP/s图形也是正常的。 @spinlock https://github.com/spinlock 有啥建议？

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golf916 commented 7 years ago

proxy的启动命令： nohup ./bin/codis-proxy --ncpu=2 --config=proxy.toml --log=proxy.log --log-level=WARN & 生成的日志是这样： -rw-r--r--. 1 root root 3330507 Nov 3 16:23 proxy.log.2016-11-03

spinlock commented 7 years ago

你先杀掉 proxy ，然后手动启动，看一下输出，然后贴一下，

./bin/codis-proxy --ncpu=2 --config=proxy.toml

谢谢

On Nov 3, 2016, at 17:15, golf916 notifications@github.com wrote:

proxy的启动命令： nohup ./bin/codis-proxy --ncpu=2 --config=proxy.toml --log=proxy.log --log-level=WARN & 生成的日志是这样： -rw-r--r--. 1 root root 3330507 Nov 3 16:23 proxy.log.2016-11-03

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spinlock commented 7 years ago

OK 我知道了，你的 proxy 没有添加到集群里面去。所以无法提供服务。

因为 jodis 只支持 zk，所以 jodis_addr 不会被用来添加上线，需要你自己手动指定。

Usage:
    codis-proxy [--ncpu=N [--max-ncpu=MAX]] [--config=CONF] [--log=FILE] [--log-level=LEVEL] [--host-admin=ADDR] [--host-proxy=ADDR] [--dashboard=ADDR|--zookeeper=ADDR|--etcd=ADDR|--fillslots=FILE] [--ulimit=NLIMIT]
    codis-proxy  --default-config

你看到启动时添加 --zookeeper = xxx 或者 --dashboard = yyy 就可以了。

golf916 commented 7 years ago

把proxy上线后，又做了一次。proxy的log还是没动静。 只有大量的这条 ...... 2016/11/03 17:22:29 router.go:218: [WARN] fill slot 1023, backend.addr = 192.168.19.147:6667, locked = false ...... 这没什么关系吧

spinlock commented 7 years ago

不过很奇怪，从 log 里面看，proxy 是注册成功了的，但是居然有 waiting online 这就奇怪了。

spinlock commented 7 years ago

@golf916 fillslot 说明 dashboard 已经成功对 proxy 完成了 router 的设置，基本上看到这句表示 codis-proxy 已经准备好对外提供服务了，没有这些才是有问题的。不用理会。

golf916 commented 7 years ago

是不是proxy启动并online成功后，这时候在zookeeper里查看ls /jodis/codis-demo就应该不为空了？

spinlock commented 7 years ago

汗，我的错。

3.1 里面 JodisPath 被我给改错了。 2016/11/03 17:20:03 jodis.go:103: [WARN] jodis create node /codis3/codis-demo/jodis/proxy-9664b694aa871b87a8911ebf6b1353c1

你看到这句话了么。我看来需要把它改回 3.0 的设置，这样兼容一些。真抱歉。 ``

golf916 commented 7 years ago

ok，找到错误就好！多谢你的解答。

spinlock commented 7 years ago

但是我反而觉得 3.1 这种命名方式更合理啊。哈哈。

spinlock commented 7 years ago

@golf916 可以 pull 最新的代码试试看。我改回了 3.0 的配置，这个的确有点坑。谢谢。

golf916 commented 7 years ago

好的。辛苦你了。:-D

spinlock commented 7 years ago

@golf916 go 是编译执行的语言。不编译不能用啊。 如果嫌编译环境麻烦 & 网络够好的话，直接用那个 Dockerfile 吧，他会编译然后用 docker cp 把里面的编译文件 copy 出来就行。

golf916 commented 7 years ago

重新编译，测试通过。该死的proxy list empty终于不再出现了！

同时我说一下细节，就是当proxy启动+online后， [zk: localhost:2181(CONNECTED) 13] ls /codis3/codis-demo/proxy [proxy-9664b694aa871b87a8911ebf6b1353c1] [zk: localhost:2181(CONNECTED) 14] ls /jodis/codis-demo
[proxy-9664b694aa871b87a8911ebf6b1353c1] 都不为空，而且是相同的值。

再次感谢 @spinlock

lihjdl commented 7 years ago

@spinlock 你好！我在使用jodis连接codis 3.1时候，出现异常一直没有成功，各个issues帖子我都看了，还是没有找到我这里的原因。客户端运行连接代码：

JedisResourcePool jedisPool = RoundRobinJedisPool.create().curatorClient("192.168.1.114:2181", 60000)
                    .zkProxyDir("/jodis/fan1080").build();
            System.out.println("==========begin===========");
            Jedis jedis = jedisPool.getResource();
            System.out.println("==========getResource OK===========");

运行后报错：

==========begin===========
Exception in thread "main" redis.clients.jedis.exceptions.JedisException: Proxy list empty
    at io.codis.jodis.RoundRobinJedisPool.getResource(RoundRobinJedisPool.java:199)
    at com.fan1080.TestItem2CacheAdvice.main(TestItem2CacheAdvice.java:22)

查看proxy等日志，没有新的日志产生。在zk日志中有异常信息：

2016-11-07 16:57:41,657 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - Accepted socket connection from /192.168.1.104:62635
2016-11-07 16:57:41,671 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@928] - Client attempting to establish new session at /192.168.1.104:62635
2016-11-07 16:57:41,674 [myid:1] - INFO  [CommitProcessor:1:ZooKeeperServer@673] - Established session 0x1583418e6640009 with negotiated timeout 40000 for client /192.168.1.104:62635
2016-11-07 16:57:42,135 [myid:1] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@362] - Exception causing close of session 0x1583418e6640009 due to java.io.IOException: Connection reset by peer
2016-11-07 16:57:42,136 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1008] - Closed socket connection for client /192.168.1.104:62635 which had sessionid 0x1583418e6640009

zk节点如下：

[zk: localhost:2181(CONNECTED) 21] get /jodis/fan1080/proxy-56a8435c987d6b9b9158d80abac23ec0
{
    "addr": "192.168.1.114:19000",
    "admin": "192.168.1.114:11080",
    "start": "2016-11-07 17:00:33.353730076 +0800 CST",
    "state": "online",
    "token": "56a8435c987d6b9b9158d80abac23ec0"
}
cZxid = 0x900000023
ctime = Mon Nov 07 17:00:33 CST 2016
mZxid = 0x900000023
mtime = Mon Nov 07 17:00:33 CST 2016
pZxid = 0x900000023
cversion = 0
dataVersion = 0
aclVersion = 0
ephemeralOwner = 0x1583418e664000a
dataLength = 201
numChildren = 0

zk使用的是 3.4.9版本，jodis是 0.3.1-SNAPSHOT（0.3.0也试了），codis是3.1  version = 2016-11-03 18:01:55 +0800 @1a3abfd945895f24c92542c6cb1f01d94e90c607。

（另外，在pc本机简单只建立了个zk，建立了节点 /jodis/fan1080/proxy-56a...，节点内容为空，jodis连接本机，zk日志也是这个reset by peer）

现在不知道问题出现在哪里了，怀疑是连接zk本身的问题？ 是不是需要跟踪jodis源代码看有无异常？

spinlock commented 7 years ago

@lihjdl 并不是很懂你描述的现象。proxy 只负责创建 proxy-xxxx 节点，如果内容存在，jodis 能找到他就应该能和他建立连接。

从你的描述看，是 proxy 创建节点成功了，但是 jodis 获取失败了？所以你 debug 一下 Jodis 输出一些调试信息？

lihjdl commented 7 years ago

proxy是成功了，jodis节点成功建立，内容也没有问题。 我是用jodis获取失败了，在服务器端只能查到zk的“IOException: Connection reset by peer”信息，不知道问题出在哪里，我另外用 new ZooKeeper(hosts,SESSION_TIME,this) 的方式直接连接zk操作读写都能够成功。 想问问有没有办法跟踪找到问题点。

lihjdl commented 7 years ago

上面这个问题解决了，没做什么改动，在jodis源代码中编译调试通过，可能是之前的环境有冲突导致的问题。redis操作成功后，在zk日志中也有“IOException: Connection reset by peer”的warn信息，proxy日志中出现两条create和closed的info信息。

javapersonchild commented 7 years ago

@spinlock 你好！我在使用jodis连接codis 3.0.4时候，出现异常一直没有成功，各个issues帖子我都看了，还是没有找到原因。jodis使用0.3.0版本 [2016-11-22 11:55:28.949]-[io.codis.jodis.RoundRobinJedisPool]-[http-bio-80-exec-4] - Add new proxy: 192.168.203.217:19000 [2016-11-22 11:55:28.953]-[io.codis.jodis.RoundRobinJedisPool]-[http-bio-80-exec-4] - parse /zk/codis/db_codis-demo/proxy/2343fa39ab2be65c905df1ffe45cea88 failed java.lang.NoSuchMethodError: redis.clients.jedis.JedisPool.(Lorg/apache/commons/pool2/impl/GenericObjectPoolConfig;Ljava/lang/String;IIILjava/lang/String;ILjava/lang/String;)V at io.codis.jodis.RoundRobinJedisPool.resetPools(RoundRobinJedisPool.java:180) proxy应该是启动成功的，看zookeeper: get /zk/codis/db_codis-demo/proxy/2343fa39ab2be65c905df1ffe45cea88
{ "addr": "192.168.203.217:19000", "start_at": "2016-11-22 10:04:00.297511267 +0800 CST", "state": "online", "token": "2343fa39ab2be65c905df1ffe45cea88" } cZxid = 0x1c4a ctime = Tue Nov 22 11:13:56 CST 2016 mZxid = 0x1c4a mtime = Tue Nov 22 11:13:56 CST 2016 pZxid = 0x1c4a cversion = 0 dataVersion = 0 aclVersion = 0 ephemeralOwner = 0x15886ccb949000f dataLength = 170 numChildren = 0 看异常java.lang.NoSuchMethodError: 应该是MAVEN包冲突问题，但检查应该不会有问题，请帮忙看一下 谢谢

javapersonchild commented 7 years ago

不好意思，确实是maven包含太多包版本冲突引起的

jiatianyao commented 7 years ago

我用的是codis3.1 jodis0.3.0报错 com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input at [Source: [B@402e37bc; line: 1, column: 1] at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148) ~[jackson-databind-2.4.6.jar:2.4.6] at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3110) ~[jackson-databind-2.4.6.jar:2.4.6] at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3051) ~[jackson-databind-2.4.6.jar:2.4.6] at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2230) ~[jackson-databind-2.4.6.jar:2.4.6] at io.codis.jodis.RoundRobinJedisPool.resetPools(RoundRobinJedisPool.java:168) [jodis-0.3.0.jar:na] at io.codis.jodis.RoundRobinJedisPool.(RoundRobinJedisPool.java:156) [jodis-0.3.0.jar:na] at io.codis.jodis.RoundRobinJedisPool.(RoundRobinJedisPool.java:69) [jodis-0.3.0.jar:na] at io.codis.jodis.RoundRobinJedisPool$Builder.build(RoundRobinJedisPool.java:399) [jodis-0.3.0.jar:na] at org.test.demo.main(demo.java:14) [classes/:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_74] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_74] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_74] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_74] at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147) [idea_rt.jar:na] Exception in thread "main" redis.clients.jedis.exceptions.JedisException: Proxy list empty at io.codis.jodis.RoundRobinJedisPool.getResource(RoundRobinJedisPool.java:199) at org.test.demo.main(demo.java:15) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)

zhangwei87 commented 7 years ago

[zk: 192.168.198.132:2181(CONNECTED) 0] ls /jodis/codis-demo [proxy-e06ac29351dac13198048e3e5c3c400e] 我的为什么这个路径下面有值，还是报： Exception in thread "main" redis.clients.jedis.exceptions.JedisException: Proxy list empty at io.codis.jodis.RoundRobinJedisPool.getResource(RoundRobinJedisPool.java:208) at RedisTest$.main(RedisTest.scala:13) at RedisTest.main(RedisTest.scala) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)

zhangwei87 commented 7 years ago

哦，好像jar包冲突了。