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https://issues.apache.org/jira/browse/IGNITE-5069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Ozerov reassigned IGNITE-5069:
---------------------------------------
Assignee: Vladimir Ozerov
> QueryWords example fails with exception
> ---------------------------------------
>
> Key: IGNITE-5069
> URL: https://issues.apache.org/jira/browse/IGNITE-5069
> Project: Ignite
> Issue Type: Bug
> Components: general
> Reporter: Yakov Zhdanov
> Assignee: Vladimir Ozerov
> Priority: Blocker
> Fix For: 2.0
>
>
> [~sergi.vladykin], please have a look. It may happen so that avg(cnt) in
> former Ignite versions was returned as double for long column. For current
> master it is returned as long and causes exception in formatter. I was able
> to reproduce it on 1.9 also, but did not try other versions.
> Steps to reproduce
> # start {{ExampleNodeStartup}}
> # start {{QueryWords}}
> # start {{StreamWords}}
> {noformat}
> /opt/jdk/jdk1.8.0_121/bin/java...
> org.apache.ignite.examples.streaming.wordcount.QueryWords
> [18:20:17] __________ ________________
> [18:20:17] / _/ ___/ |/ / _/_ __/ __/
> [18:20:17] _/ // (7 7 // / / / / _/
> [18:20:17] /___/\___/_/|_/___/ /_/ /___/
> [18:20:17]
> [18:20:17] ver. 2.1.0-SNAPSHOT#19700101-sha1:DEV
> [18:20:17] 2017 Copyright(C) Apache Software Foundation
> [18:20:17]
> [18:20:17] Ignite documentation: http://ignite.apache.org
> [18:20:17]
> [18:20:17] Quiet mode.
> [18:20:17] ^-- Logging to file
> '/home/yzhdanov/projects/incubator-ignite/work/log/ignite-dbfdab2d.log'
> [18:20:17] ^-- To see **FULL** console log here add -DIGNITE_QUIET=false or
> "-v" to ignite.{sh|bat}
> [18:20:17]
> [18:20:17] OS: Linux 4.8.0-46-generic amd64
> [18:20:17] VM information: Java(TM) SE Runtime Environment 1.8.0_121-b13
> Oracle Corporation Java HotSpot(TM) 64-Bit Server VM 25.121-b13
> [18:20:17] Initial heap size is 246MB (should be no less than 512MB, use
> -Xms512m -Xmx512m).
> [18:20:17] Configured plugins:
> [18:20:17] ^-- None
> [18:20:17]
> [18:20:17] Message queue limit is set to 0 which may lead to potential OOMEs
> when running cache operations in FULL_ASYNC or PRIMARY_SYNC modes due to
> message queues growth on sender and receiver sides.
> [18:20:17] Security status [authentication=off, tls/ssl=off]
> [18:20:18] REST protocols do not start on client node. To start the protocols
> on client node set '-DIGNITE_REST_START_ON_CLIENT=true' system property.
> [18:20:20] Performance suggestions for grid (fix if possible)
> [18:20:20] To disable, set -DIGNITE_PERFORMANCE_SUGGESTIONS_DISABLED=true
> [18:20:20] ^-- Disable grid events (remove 'includeEventTypes' from
> configuration)
> [18:20:20] ^-- Enable G1 Garbage Collector (add '-XX:+UseG1GC' to JVM
> options)
> [18:20:20] ^-- Specify JVM heap max size (add '-Xmx<size>[g|G|m|M|k|K]' to
> JVM options)
> [18:20:20] ^-- Set max direct memory size if getting 'OOME: Direct buffer
> memory' (add '-XX:MaxDirectMemorySize=<size>[g|G|m|M|k|K]' to JVM options)
> [18:20:20] ^-- Disable processing of calls to System.gc() (add
> '-XX:+DisableExplicitGC' to JVM options)
> [18:20:20] Refer to this page for more performance suggestions:
> https://apacheignite.readme.io/docs/jvm-and-system-tuning
> [18:20:20]
> [18:20:20] To start Console Management & Monitoring run
> ignitevisorcmd.{sh|bat}
> [18:20:20]
> [18:20:20] Ignite node started OK (id=dbfdab2d)
> [18:20:20] Topology snapshot [ver=2, servers=1, clients=1, CPUs=4, heap=6.8GB]
> Query result set is empty.
> Query result set is empty.
> [18:20:27] Topology snapshot [ver=3, servers=1, clients=2, CPUs=4,
> heap=10.0GB]
> Query results [avg=[18:20:33] Ignite node stopped OK [uptime=00:00:12:733]
> Exception in thread "main" java.util.IllegalFormatConversionException: f !=
> java.lang.Long
> at
> java.util.Formatter$FormatSpecifier.failConversion(Formatter.java:4302)
> at java.util.Formatter$FormatSpecifier.printFloat(Formatter.java:2806)
> at java.util.Formatter$FormatSpecifier.print(Formatter.java:2753)
> at java.util.Formatter.format(Formatter.java:2520)
> at java.io.PrintStream.format(PrintStream.java:970)
> at java.io.PrintStream.printf(PrintStream.java:871)
> at
> org.apache.ignite.examples.streaming.wordcount.QueryWords.main(QueryWords.java:78)
> Process finished with exit code 1
> {noformat}
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