GetAll returns NULL after putAll

bin\ignite examples\config\putall.xml

1345

C:\Java\jdk1.7.0_80\bin\java -Didea.launcher.port=7532 "-Didea.launcher.bin.path=C:\Program Files (x86)\JetBrains\IntelliJ IDEA Community Edition 14.1.4\bin" -Dfile.encoding=windows-1251 -classpath "C:\Java\jdk1.7.0_80\jre\lib\charsets.jar;C:\Java\jdk1.7.0_80\jre\lib\deploy.jar;C:\Java\jdk1.7.0_80\jre\lib\javaws.jar;C:\Java\jdk1.7.0_80\jre\lib\jce.jar;C:\Java\jdk1.7.0_80\jre\lib\jfr.jar;C:\Java\jdk1.7.0_80\jre\lib\jfxrt.jar;C:\Java\jdk1.7.0_80\jre\lib\jsse.jar;C:\Java\jdk1.7.0_80\jre\lib\management-agent.jar;C:\Java\jdk1.7.0_80\jre\lib\plugin.jar;C:\Java\jdk1.7.0_80\jre\lib\resources.jar;C:\Java\jdk1.7.0_80\jre\lib\rt.jar;C:\Java\jdk1.7.0_80\jre\lib\ext\access-bridge-64.jar;C:\Java\jdk1.7.0_80\jre\lib\ext\dnsns.jar;C:\Java\jdk1.7.0_80\jre\lib\ext\jaccess.jar;C:\Java\jdk1.7.0_80\jre\lib\ext\localedata.jar;C:\Java\jdk1.7.0_80\jre\lib\ext\sunec.jar;C:\Java\jdk1.7.0_80\jre\lib\ext\sunjce_provider.jar;C:\Java\jdk1.7.0_80\jre\lib\ext\sunmscapi.jar;C:\Java\jdk1.7.0_80\jre\lib\ext\zipfs.jar;C:\Work\apache-ignite-fabric-1.5.0.final-bin\examples\target\classes;C:\Users\gridgain\.m2\repository\javax\cache\cache-api\1.0.0\cache-api-1.0.0.jar;C:\Users\gridgain\.m2\repository\org\apache\ignite\ignite-core\1.5.0.final\ignite-core-1.5.0.final.jar;C:\Users\gridgain\.m2\repository\org\gridgain\ignite-shmem\1.0.0\ignite-shmem-1.0.0.jar;C:\Users\gridgain\.m2\repository\org\apache\ignite\ignite-spring\1.5.0.final\ignite-spring-1.5.0.final.jar;C:\Users\gridgain\.m2\repository\org\springframework\spring-core\4.1.0.RELEASE\spring-core-4.1.0.RELEASE.jar;C:\Users\gridgain\.m2\repository\org\springframework\spring-aop\4.1.0.RELEASE\spring-aop-4.1.0.RELEASE.jar;C:\Users\gridgain\.m2\repository\aopalliance\aopalliance\1.0\aopalliance-1.0.jar;C:\Users\gridgain\.m2\repository\org\springframework\spring-beans\4.1.0.RELEASE\spring-beans-4.1.0.RELEASE.jar;C:\Users\gridgain\.m2\repository\org\springframework\spring-context\4.1.0.RELEASE\spring-context-4.1.0.RELEASE.jar;C:\Users\gridgain\.m2\repository\org\springframework\spring-expression\4.1.0.RELEASE\spring-expression-4.1.0.RELEASE.jar;C:\Users\gridgain\.m2\repository\org\springframework\spring-tx\4.1.0.RELEASE\spring-tx-4.1.0.RELEASE.jar;C:\Users\gridgain\.m2\repository\org\springframework\spring-jdbc\4.1.0.RELEASE\spring-jdbc-4.1.0.RELEASE.jar;C:\Users\gridgain\.m2\repository\commons-logging\commons-logging\1.1.1\commons-logging-1.1.1.jar;C:\Users\gridgain\.m2\repository\org\apache\ignite\ignite-log4j\1.5.0.final\ignite-log4j-1.5.0.final.jar;C:\Users\gridgain\.m2\repository\log4j\log4j\1.2.17\log4j-1.2.17.jar;C:\Users\gridgain\.m2\repository\org\apache\ignite\ignite-indexing\1.5.0.final\ignite-indexing-1.5.0.final.jar;C:\Users\gridgain\.m2\repository\commons-codec\commons-codec\1.6\commons-codec-1.6.jar;C:\Users\gridgain\.m2\repository\org\apache\lucene\lucene-core\3.5.0\lucene-core-3.5.0.jar;C:\Users\gridgain\.m2\repository\com\h2database\h2\1.3.175\h2-1.3.175.jar;C:\Users\gridgain\.m2\repository\com\google\code\simple-spring-memcached\spymemcached\2.7.3\spymemcached-2.7.3.jar;C:\Users\gridgain\.m2\repository\org\jboss\netty\netty\3.2.0.Final\netty-3.2.0.Final.jar;C:\Users\gridgain\.m2\repository\org\codehaus\jettison\jettison\1.1\jettison-1.1.jar;C:\Users\gridgain\.m2\repository\stax\stax-api\1.0.1\stax-api-1.0.1.jar;C:\Program Files (x86)\JetBrains\IntelliJ IDEA Community Edition 14.1.4\lib\idea_rt.jar" com.intellij.rt.execution.application.AppMain org.apache.ignite.examples.datagrid.CachePutAllGetAllExample
[17:56:05]    __________  ________________ 
[17:56:05]   /  _/ ___/ |/ /  _/_  __/ __/ 
[17:56:05]  _/ // (7 7    // /  / / / _/   
[17:56:05] /___/\___/_/|_/___/ /_/ /___/  
[17:56:05] 
[17:56:05] ver. 1.5.0-final#20151229-sha1:f1f8cda2
[17:56:05] 2015 Copyright(C) Apache Software Foundation
[17:56:05] 
[17:56:05] Ignite documentation: http://ignite.apache.org
[17:56:05] 
[17:56:05] Quiet mode.
[17:56:05]   ^-- Logging to file 'C:\Work\apache-ignite-fabric-1.5.0.final-bin\work\log\ignite-5459abe4.log'
[17:56:05]   ^-- To see **FULL** console log here add -DIGNITE_QUIET=false or "-v" to ignite.{sh|bat}
[17:56:05] 
[17:56:05] OS: Windows 7 6.1 amd64
[17:56:05] VM information: Java(TM) SE Runtime Environment 1.7.0_80-b15 Oracle Corporation Java HotSpot(TM) 64-Bit Server VM 24.80-b11
[17:56:05] Initial heap size is 254MB (should be no less than 512MB, use -Xms512m -Xmx512m).
[17:56:06] Configured plugins:
[17:56:06]   ^-- None
[17:56:06] 
[17:56:07] Security status [authentication=off, tls/ssl=off]
[17:56:08] Performance suggestions for grid  (fix if possible)
[17:56:08] To disable, set -DIGNITE_PERFORMANCE_SUGGESTIONS_DISABLED=true
[17:56:08]   ^-- Disable eviction policy (remove from configuration)
[17:56:08]   ^-- Decrease number of backups (set 'keyBackups' to 0)
[17:56:08]   ^-- Enable ATOMIC mode if not using transactions (set 'atomicityMode' to ATOMIC)
[17:56:08] 
[17:56:08] To start Console Management & Monitoring run ignitevisorcmd.{sh|bat}
[17:56:08] 
[17:56:08] Ignite node started OK (id=5459abe4)
[17:56:08] Topology snapshot [ver=25, servers=6, clients=1, CPUs=8, heap=9.5GB]

>>> Starting put-putAll-getAll example for iteration 1
...
>>> Starting put-putAll-getAll example for iteration 41
Got NULL for key=29
Got NULL for key=36
Got NULL for key=41
>>> Starting put-putAll-getAll example for iteration 42
...
>>> Starting put-putAll-getAll example for iteration 436
Got NULL for key=29
Got NULL for key=36
Got NULL for key=41
>>> Starting put-putAll-getAll example for iteration 437
...
>>> Starting put-putAll-getAll example for iteration 997
Got NULL for key=5
Got NULL for key=10
Got NULL for key=18
Got NULL for key=23
Got NULL for key=26
Got NULL for key=37
Got NULL for key=46
Got NULL for key=47
Got NULL for key=48
>>> Starting put-putAll-getAll example for iteration 998
>>> Starting put-putAll-getAll example for iteration 999
>>> Starting put-putAll-getAll example for iteration 1000
[17:56:31] Ignite node stopped OK [uptime=00:00:22:718]

Process finished with exit code 0