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From "Masatake Iwasaki (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12605) Fix intermittent failure of TestIPC.testIpcWithReaderQueuing
Date Thu, 17 Dec 2015 13:57:46 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15062061#comment-15062061
] 

Masatake Iwasaki commented on HADOOP-12605:
-------------------------------------------

Here is the DEBUG log of failed {{checkBlocking(1, 1, 1)}}.

{noformat}
2015-12-14 18:09:56,893 INFO  ipc.CallQueueManager (CallQueueManager.java:<init>(60))
- Using callQueue class java.util.concurrent.LinkedBlockingQueue
2015-12-14 18:09:56,894 INFO  ipc.Server (Server.java:run(727)) - Starting Socket Reader #1
for port 50977
2015-12-14 18:09:56,897 INFO  ipc.Server (Server.java:run(957)) - IPC Server Responder: starting
2015-12-14 18:09:56,897 INFO  ipc.Server (Server.java:run(797)) - IPC Server listener on 50977:
starting
2015-12-14 18:09:56,897 DEBUG ipc.Server (Server.java:run(2262)) - IPC Server handler 0 on
50977: starting
2015-12-14 18:09:56,904 DEBUG ipc.Server (Server.java:register(2969)) - Server connection
from 127.0.0.1:34212; # active connections: 1; # queued calls: 0
2015-12-14 18:09:56,906 DEBUG ipc.Server (Server.java:processOneRpc(1979)) -  got #-3
2015-12-14 18:09:56,963 DEBUG ipc.Server (Server.java:authorizeConnection(2183)) - Successfully
authorized userInfo {
}

2015-12-14 18:09:56,963 DEBUG ipc.Server (Server.java:processOneRpc(1979)) -  got #6
2015-12-14 18:09:56,963 DEBUG ipc.Server (Server.java:run(2271)) - IPC Server handler 0 on
50977: 46 from 127.0.0.1:34212 Call#6 Retry#0 for RpcKind RPC_BUILTIN
2015-12-14 18:09:56,964 DEBUG ipc.Server (Server.java:register(2969)) - Server connection
from 127.0.0.1:34213; # active connections: 2; # queued calls: 0
2015-12-14 18:09:56,965 DEBUG ipc.Server (Server.java:processOneRpc(1979)) -  got #-3
2015-12-14 18:09:56,965 DEBUG ipc.Server (Server.java:authorizeConnection(2183)) - Successfully
authorized userInfo {
}

2015-12-14 18:09:56,965 DEBUG ipc.Server (Server.java:processOneRpc(1979)) -  got #7
2015-12-14 18:09:56,967 DEBUG ipc.Server (Server.java:register(2969)) - Server connection
from 127.0.0.1:34214; # active connections: 3; # queued calls: 1
2015-12-14 18:09:56,967 INFO  ipc.TestIPC (TestIPC.java:checkBlocking(779)) - (initial clients)
need:3 connections have:3
2015-12-14 18:09:56,968 INFO  ipc.TestIPC (TestIPC.java:checkBlocking(781)) - ipc layer should
be blocked
2015-12-14 18:09:56,969 DEBUG ipc.Server (Server.java:register(2969)) - Server connection
from 127.0.0.1:34215; # active connections: 4; # queued calls: 1
2015-12-14 18:09:56,970 DEBUG ipc.Server (Server.java:processOneRpc(1979)) -  got #-3
2015-12-14 18:09:56,970 DEBUG ipc.Server (Server.java:authorizeConnection(2183)) - Successfully
authorized userInfo {
}

2015-12-14 18:09:56,970 DEBUG ipc.Server (Server.java:processOneRpc(1979)) -  got #8
2015-12-14 18:09:56,970 DEBUG ipc.Server (Server.java:register(2969)) - Server connection
from 127.0.0.1:34216; # active connections: 5; # queued calls: 1
2015-12-14 18:09:56,971 DEBUG ipc.Server (Server.java:register(2969)) - Server connection
from 127.0.0.1:34217; # active connections: 6; # queued calls: 1
2015-12-14 18:09:56,980 INFO  ipc.TestIPC (TestIPC.java:checkBlocking(801)) - (max clients)
need:5 connections have:6
{noformat}


> Fix intermittent failure of TestIPC.testIpcWithReaderQueuing
> ------------------------------------------------------------
>
>                 Key: HADOOP-12605
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12605
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: test
>            Reporter: Masatake Iwasaki
>            Assignee: Masatake Iwasaki
>            Priority: Minor
>         Attachments: HADOOP-12605.001.patch
>
>




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