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From "Vladimir Ershov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-2405) Ignite is blocking the thread in case it can't connect to the node
Date Fri, 12 Feb 2016 16:36:18 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-2405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15144807#comment-15144807
] 

Vladimir Ershov commented on IGNITE-2405:
-----------------------------------------

Wow, that is actually much better, since now we know what is going on! Java couldn't open
a port.
 What OS are you using? Could you please check any firewall, antivirus etc? Also it make sense
to check those ports with TCPView or smth for nix.
As an option you may write a simple standalone java program, which only tries to open socket,
just to make sure, that this problem isn't related to Apache Ignite.
Thanks.

> Ignite is blocking the thread in case it can't connect to the node
> ------------------------------------------------------------------
>
>                 Key: IGNITE-2405
>                 URL: https://issues.apache.org/jira/browse/IGNITE-2405
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 1.5.0.final
>            Reporter: Miron Aseev
>              Labels: community, newbie
>         Attachments: log.out, log.out
>
>
> It seems that Apache Ignite runs an infinite loop if it can't connect to the resolved
hostname.
> For example, if you specify the hostname of the local machine as an address for the TCPSpi,
then Apache Ignite resolves it [here|https://github.com/apache/ignite/blob/b3d347e35a254928fd1c4a0473f1b17d642c72f3/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java#L915].

> But after that, for some reasons, it fails to connect to the resolved address [here|https://github.com/apache/ignite/blob/b3d347e35a254928fd1c4a0473f1b17d642c72f3/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java#L925].

> As a result, the control flow goes to the catch block where the exception is logged (It's
an IgniteSpiException. It seems it can't get acces to the host according to the exception
message - "Network operation timed out. Increase 'failureDetectionTimeout' configuration property
[failureDetectionTimeout=10000]"). 
> In the end, we get an infinite loop.
> On the other hand, If I set an ip address (127.0.0.1) instead of the hostname, Ignite
gets an empty list [here|https://github.com/apache/ignite/blob/b3d347e35a254928fd1c4a0473f1b17d642c72f3/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java#L915]
and the control flow breaks the loop [here|https://github.com/apache/ignite/blob/b3d347e35a254928fd1c4a0473f1b17d642c72f3/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java#L918]
and goes forward.
> Here's a log information which Ignite produces during its work.
> {code}
> Jan 19, 2016 7:33:02 PM java.util.logging.LogManager$RootLogger log
> SEVERE: Failed to resolve default logging config file: config/java.util.logging.properties
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: 
> >>>    __________  ________________  
> >>>   /  _/ ___/ |/ /  _/_  __/ __/  
> >>>  _/ // (7 7    // /  / / / _/    
> >>> /___/\___/_/|_/___/ /_/ /___/   
> >>> 
> >>> ver. 1.5.0-final#20151229-sha1:f1f8cda2
> >>> 2015 Copyright(C) Apache Software Foundation
> >>> 
> >>> Ignite documentation: http://ignite.apache.org
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Config URL: n/a
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Daemon mode: off
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: OS: Linux 3.13.0-74-generic amd64
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: OS user: maseev
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Language runtime: Java Platform API Specification ver. 1.8
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: VM information: Java(TM) SE Runtime Environment 1.8.0_40-b26 Oracle Corporation
Java HotSpot(TM) 64-Bit Server VM 25.40-b25
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: VM total memory: 3.5GB
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Remote Management [restart: off, REST: on, JMX (remote: off)]
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: IGNITE_HOME=null
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: VM arguments: [-agentlib:jdwp=transport=dt_socket,address=127.0.0.1:51947,suspend=y,server=n,
-ea, -DIGNITE_QUIET=false, -Didea.junit.sm_runner, -Dfile.encoding=UTF-8]
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Configured caches ['ignite-marshaller-sys-cache', 'ignite-sys-cache', 'ignite-atomics-sys-cache']
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger warning
> WARNING: Initial heap size is 250MB (should be no less than 512MB, use -Xms512m -Xmx512m).
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Non-loopback local IPs: 172.17.0.1, 192.168.88.252, fe80:0:0:0:42:2aff:feff:fe3d%docker0,
fe80:0:0:0:f2de:f1ff:feb6:5301%eth0
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Enabled local MACs: 02422AFFFE3D, F0DEF1B65301
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Configured plugins:
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO:   ^-- None
> Jan 19, 2016 7:33:03 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: 
> Jan 19, 2016 7:33:04 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: IPC shared memory server endpoint started [port=48103, tokDir=/tmp/ignite/work/ipc/shmem/62396752-fb2f-4402-bff6-9f5f2d4fc0b3-8658]
> Jan 19, 2016 7:33:04 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Successfully bound shared memory communication to TCP port [port=48103, locHost=0.0.0.0/0.0.0.0]
> Jan 19, 2016 7:33:04 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Successfully bound to TCP port [port=47103, locHost=0.0.0.0/0.0.0.0]
> Jan 19, 2016 7:33:04 PM org.apache.ignite.logger.java.JavaLogger warning
> WARNING: Checkpoints are disabled (to enable configure any GridCheckpointSpi implementation)
> Jan 19, 2016 7:33:04 PM org.apache.ignite.logger.java.JavaLogger warning
> WARNING: Collision resolution is disabled (all jobs will be activated upon arrival).
> Jan 19, 2016 7:33:04 PM org.apache.ignite.logger.java.JavaLogger warning
> WARNING: Swap space is disabled. To enable use FileSwapSpaceSpi.
> Jan 19, 2016 7:33:04 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Security status [authentication=off, tls/ssl=off]
> Jan 19, 2016 7:33:05 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Command protocol successfully started [name=TCP binary, host=0.0.0.0/0.0.0.0, port=11214]
> Jan 19, 2016 7:33:05 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Successfully bound to TCP port [port=47503, localHost=0.0.0.0/0.0.0.0]
> Jan 19, 2016 7:33:13 PM org.apache.ignite.logger.java.JavaLogger info
> INFO: Your version is up to date.
> {code}
> And here's a simple [test|https://github.com/maseev/ignite/blob/master/src/test/java/io/github/maseev/IgniteTest.java#L23]
which reproduces the problem. You can run it with maven by executing it with {code}mvn test{code}



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