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https://issues.apache.org/jira/browse/IGNITE-2405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15137014#comment-15137014
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Miron Aseev commented on IGNITE-2405:
-------------------------------------
What exactly do you want me to check? I thought that Ignite Maven dependency is
a drop-like. And all the required configuration that I need to do is to
configure some Ignite related objects in the Java code. Can you elaborate on
that, please?
> 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
>
>
> 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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