Hi Dmitriy,

I created a ticket for this:
https://issues.apache.org/jira/browse/IGNITE-6853
it will be fixed in 2.4.

Thanks,
Mike.

2017-11-09 2:35 GMT+03:00 Dmitriy Setrakyan <[email protected]>:

> Hi Michael, do you have any update for the issue?
>
> On Thu, Nov 2, 2017 at 5:14 PM, Michael Cherkasov <
> [email protected]> wrote:
>
>> Hi Tobias,
>>
>> Thank you for explaining how to reproduce it, I'll try your instruction.
>> I spend several days trying to reproduce the issue,
>> but I thought that the reason of this is too high load and I didn't stop
>> client during testing.
>> I'll check your instruction and try to fix the issue.
>>
>> Thanks,
>> Mike.
>>
>> 2017-10-25 16:23 GMT+03:00 Tobias Eriksson <[email protected]>:
>>
>>> Hi Andrey et al
>>>
>>> I believe I now know what the problem is, the Cassandra session is
>>> refreshed, but before it is a prepared statement is created/used and there,
>>> and so using a new session with an old prepared statement is not working.
>>>
>>>
>>>
>>> The way to reproduce is
>>>
>>> 1)       Start Ignite Server Node
>>>
>>> 2)       Start client which inserts a batch of 100 elements
>>>
>>> 3)       End client
>>>
>>> 4)       Now Ignite Server Node returns the Cassandra Session to the
>>> pool
>>>
>>> 5)       Wait 5+ minutes
>>>
>>> 6)       Now Ignite Server Node has does a clean-up of the “unused”
>>> Cassandra sessions
>>>
>>> 7)       Start client which inserts a batch of 100 elements
>>>
>>> 8)       Boom ! The exception starts to happen
>>>
>>>
>>>
>>> Reason is
>>>
>>> 1)       Execute is called for a BATCH
>>>
>>> 2)       Prepared-statement is reused since there is a cache of those
>>>
>>> 3)       It is about to do session().execute( batch )
>>>
>>> 4)       BUT the call to session() results in refreshing the session,
>>> and this is where the prepared statements as the old session new them are
>>> cleaned up
>>>
>>> 5)       Now it is looping over 100 times with a NEW session but with
>>> an OLD prepared statement
>>>
>>>
>>>
>>> This is a bug,
>>>
>>>
>>>
>>> -Tobias
>>>
>>>
>>>
>>>
>>>
>>> *From: *Andrey Mashenkov <[email protected]>
>>> *Reply-To: *"[email protected]" <[email protected]>
>>> *Date: *Wednesday, 25 October 2017 at 14:12
>>> *To: *"[email protected]" <[email protected]>
>>> *Subject: *Re: Ignite-cassandra module issue
>>>
>>>
>>>
>>> Hi Tobias,
>>>
>>>
>>>
>>> What ignite version do you use? May be this was already fixed in latest
>>> one?
>>>
>>> I see related fix inclueded in upcoming 2.3 version.
>>>
>>>
>>>
>>> See IGNITE-5897 [1] issue. It is unobvious, but this fix session
>>> init\end logic, so session should be closed in proper way.
>>>
>>>
>>>
>>> [1] https://issues.apache.org/jira/browse/IGNITE-5897
>>>
>>>
>>>
>>>
>>>
>>> On Wed, Oct 25, 2017 at 11:13 AM, Tobias Eriksson <
>>> [email protected]> wrote:
>>>
>>> Hi
>>>  Sorry did not include the context when I replied
>>>  Has anyone been able to resolve this problem, cause I have it too on and
>>> off
>>> In fact it sometimes happens just like that, e.g. I have been running my
>>> Ignite client and then stop it, and then it takes a while and run it
>>> again,
>>> and all by a sudden this error shows up. An that is the first thing that
>>> happens, and there is NOT a massive amount of load on Cassandra at that
>>> time. But I have also seen it when I hammer Ignite/Cassandra with
>>> updates/inserts.
>>>
>>> This is a deal-breaker for me, I need to understand how to fix this,
>>> cause
>>> having this in production is not an option.
>>>
>>> -Tobias
>>>
>>>
>>> Hi!
>>> I'm using the cassandra as persistence store for my caches and have one
>>> issue by handling a huge data (via IgniteDataStreamer from kafka).
>>> Ignite Configuration:
>>> final IgniteConfiguration igniteConfiguration = new
>>> IgniteConfiguration();
>>>         igniteConfiguration.setIgniteInstanceName("test");
>>>         igniteConfiguration.setClientMode(true);
>>>         igniteConfiguration.setGridLogger(new Slf4jLogger());
>>>         igniteConfiguration.setMetricsLogFrequency(0);
>>>         igniteConfiguration.setDiscoverySpi(configureTcpDiscoverySpi());
>>> final BinaryConfiguration binaryConfiguration = new
>>> BinaryConfiguration();
>>>         binaryConfiguration.setCompactFooter(false);
>>>         igniteConfiguration.setBinaryConfiguration(binaryConfiguration);
>>>         igniteConfiguration.setPeerClassLoadingEnabled(true);
>>> final MemoryPolicyConfiguration memoryPolicyConfiguration = new
>>> MemoryPolicyConfiguration();
>>>         memoryPolicyConfiguration.setName("3Gb_Region_Eviction");
>>>         memoryPolicyConfiguration.setInitialSize(1024L * 1024L * 1024L);
>>>         memoryPolicyConfiguration.setMaxSize(3072L * 1024L * 1024L);
>>>
>>> memoryPolicyConfiguration.setPageEvictionMode(DataPageEvicti
>>> onMode.RANDOM_2_LRU);
>>> final MemoryConfiguration memoryConfiguration = new
>>> MemoryConfiguration();
>>>         memoryConfiguration.setMemoryPolicies(memoryPolicyConfigurat
>>> ion);
>>>         igniteConfiguration.setMemoryConfiguration(memoryConfiguration);
>>>
>>> Cache configuration:
>>> final CacheConfiguration<String, BinaryObject> cacheConfiguration = new
>>> CacheConfiguration<>();
>>>         cacheConfiguration.setAtomicityMode(CacheAtomicityMode.ATOMIC);
>>>         cacheConfiguration.setStoreKeepBinary(true);
>>>         cacheConfiguration.setCacheMode(CacheMode.PARTITIONED);
>>>         cacheConfiguration.setBackups(0);
>>>         cacheConfiguration.setStatisticsEnabled(false);
>>>         cacheConfiguration.setName("TestCache");
>>>
>>>         cacheConfiguration.setReadThrough(true);
>>>         cacheConfiguration.setWriteThrough(true);
>>>
>>>         cacheConfiguration.setWriteBehindEnabled(true);
>>>         cacheConfiguration.setWriteBehindFlushFrequency(10000);
>>>         cacheConfiguration.setWriteBehindFlushSize(0);
>>>         cacheConfiguration.setWriteBehindFlushThreadCount(2);
>>>         cacheConfiguration.setWriteBehindBatchSize(10000);
>>>
>>>
>>>         final CassandraCacheStoreFactory<String, BinaryObject>
>>> cacheStoreFactory = new CassandraCacheStoreFactory<>();
>>>         final DataSource dataSource = new DataSource();
>>>         dataSource.setContactPoints(contactPoints);
>>>         dataSource.setReadConsistency("ONE");
>>>         dataSource.setWriteConsistency("ONE");
>>>         dataSource.setLoadBalancingPolicy(new TokenAwarePolicy(new
>>> RoundRobinPolicy()));
>>>         cacheStoreFactory.setDataSource(dataSource);
>>>
>>>         final String CASSANDRA_PERSISTENCE = "<persistence
>>> keyspace=\"%s\"
>>> table=\"%s\">" +
>>>                 "<keyPersistence class=\"%s\" strategy=\"%s\"/>" +
>>>                 "<valuePersistence class=\"%s\" strategy=\"%s\"/>" +
>>>                 "</persistence>";
>>>         final KeyValuePersistenceSettings settings = new
>>> KeyValuePersistenceSettings(
>>>                 String.format(CASSANDRA_PERSISTENCE, "test",
>>> "test_table",
>>>                         "java.lang.String", "PRIMITIVE",
>>>                         "org.apache.ignite.binary.BinaryObject",
>>> "BLOB"));
>>>         cacheStoreFactory.setPersistenceSettings(settings);
>>>         cacheConfiguration.setCacheStoreFactory(cacheStoreFactory);
>>>
>>> When application works some time (hour or more, may be less - from time
>>> to
>>> time) I see this exceptions on the ignite nodes:
>>> Metrics for local node (to disable set 'metricsLogFrequency' to 0)
>>>     ^-- Node [id=4f43d78b, name=null, uptime=00:12:00:072]
>>>     ^-- H/N/C [hosts=3, nodes=3, CPUs=96]
>>>     ^-- CPU [cur=0%, avg=1.86%, GC=0%]
>>>     ^-- PageMemory [pages=118064]
>>>     ^-- Heap [used=4800MB, free=53.12%, comm=10240MB]
>>>     ^-- Non heap [used=78MB, free=-1%, comm=80MB]
>>>     ^-- Public thread pool [active=0, idle=32, qSize=0]
>>>     ^-- System thread pool [active=0, idle=32, qSize=0]
>>>     ^-- Outbound messages queue [size=0]
>>> [15:28:28,626][INFO][grid-timeout-worker-#39%null%][IgniteKernal]
>>> FreeList
>>> [name=null, buckets=256, dataPages=102080, reusePages=0]
>>> [15:29:02,317][WARNING][sys-#106%null%][CassandraCacheStore] Prepared
>>> statement cluster error detected, refreshing Cassandra session
>>> com.datastax.driver.core.exceptions.InvalidQueryException: Tried to
>>> execute
>>> unknown prepared query : 0xcad5832309a512feeb602eec67408130. You may
>>> have
>>> used a PreparedStatement that was created with another Cluster instance.
>>>         at
>>> com.datastax.driver.core.SessionManager.makeRequestMessage(S
>>> essionManager.java:568)
>>>         at
>>> com.datastax.driver.core.SessionManager.executeAsync(Session
>>> Manager.java:131)
>>>         at
>>> com.datastax.driver.core.AbstractSession.execute(AbstractSes
>>> sion.java:63)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.session.CassandraSes
>>> sionImpl.execute(CassandraSessionImpl.java:144)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.CassandraCacheStore.
>>> load(CassandraCacheStore.java:168)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheW
>>> riteBehindStore.load(GridCacheWriteBehindStore.java:500)
>>>         at
>>> org.apache.ignite.internal.processors.cache.CacheStoreBalanc
>>> ingWrapper.load(CacheStoreBalancingWrapper.java:98)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadFromStore(GridCacheStoreManagerAdapter.java:316)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.load(GridCacheStoreManagerAdapter.java:282)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAllFromStore(GridCacheStoreManagerAda
>>> pter.java:416)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAll(GridCacheStoreManagerAdapter.java:382)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2059)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2057)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheContext
>>> $3.call(GridCacheContext.java:1406)
>>>         at
>>> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader
>>> (IgniteUtils.java:6621)
>>>         at
>>> org.apache.ignite.internal.processors.closure.GridClosurePro
>>> cessor$2.body(GridClosureProcessor.java:954)
>>>         at
>>> org.apache.ignite.internal.util.worker.GridWorker.run(GridWo
>>> rker.java:110)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
>>> Executor.java:1142)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
>>> lExecutor.java:617)
>>>         at java.lang.Thread.run(Thread.java:745)
>>> [15:29:04,599][WARNING][sys-#106%null%][CassandraCacheStore] Cassandra
>>> session refreshed
>>> [15:29:04,599][WARNING][sys-#139%null%][CassandraCacheStore] Prepared
>>> statement cluster error detected, another thread already fixed the
>>> problem
>>> com.datastax.driver.core.exceptions.InvalidQueryException: Tried to
>>> execute
>>> unknown prepared query : 0xcad5832309a512feeb602eec67408130. You may
>>> have
>>> used a PreparedStatement that was created with another Cluster instance.
>>>         at
>>> com.datastax.driver.core.SessionManager.makeRequestMessage(S
>>> essionManager.java:568)
>>>         at
>>> com.datastax.driver.core.SessionManager.executeAsync(Session
>>> Manager.java:131)
>>>         at
>>> com.datastax.driver.core.AbstractSession.execute(AbstractSes
>>> sion.java:63)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.session.CassandraSes
>>> sionImpl.execute(CassandraSessionImpl.java:144)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.CassandraCacheStore.
>>> load(CassandraCacheStore.java:168)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheW
>>> riteBehindStore.load(GridCacheWriteBehindStore.java:500)
>>>         at
>>> org.apache.ignite.internal.processors.cache.CacheStoreBalanc
>>> ingWrapper.load(CacheStoreBalancingWrapper.java:98)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadFromStore(GridCacheStoreManagerAdapter.java:316)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.load(GridCacheStoreManagerAdapter.java:282)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAllFromStore(GridCacheStoreManagerAda
>>> pter.java:416)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAll(GridCacheStoreManagerAdapter.java:382)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2059)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2057)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheContext
>>> $3.call(GridCacheContext.java:1406)
>>>         at
>>> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader
>>> (IgniteUtils.java:6621)
>>>         at
>>> org.apache.ignite.internal.processors.closure.GridClosurePro
>>> cessor$2.body(GridClosureProcessor.java:954)
>>>         at
>>> org.apache.ignite.internal.util.worker.GridWorker.run(GridWo
>>> rker.java:110)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
>>> Executor.java:1142)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
>>> lExecutor.java:617)
>>>         at java.lang.Thread.run(Thread.java:745)
>>> [15:29:04,599][INFO][sys-#106%null%][CassandraCacheStore] Sleeping for
>>> 332ms
>>> [15:29:04,600][INFO][sys-#139%null%][CassandraCacheStore] Sleeping for
>>> 332ms
>>> [15:29:04,600][WARNING][sys-#84%null%][CassandraCacheStore] Prepared
>>> statement cluster error detected, another thread already fixed the
>>> problem
>>> com.datastax.driver.core.exceptions.InvalidQueryException: Tried to
>>> execute
>>> unknown prepared query : 0xcad5832309a512feeb602eec67408130. You may
>>> have
>>> used a PreparedStatement that was created with another Cluster instance.
>>>         at
>>> com.datastax.driver.core.SessionManager.makeRequestMessage(S
>>> essionManager.java:568)
>>>         at
>>> com.datastax.driver.core.SessionManager.executeAsync(Session
>>> Manager.java:131)
>>>         at
>>> com.datastax.driver.core.AbstractSession.execute(AbstractSes
>>> sion.java:63)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.session.CassandraSes
>>> sionImpl.execute(CassandraSessionImpl.java:144)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.CassandraCacheStore.
>>> load(CassandraCacheStore.java:168)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheW
>>> riteBehindStore.load(GridCacheWriteBehindStore.java:500)
>>>         at
>>> org.apache.ignite.internal.processors.cache.CacheStoreBalanc
>>> ingWrapper.load(CacheStoreBalancingWrapper.java:98)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadFromStore(GridCacheStoreManagerAdapter.java:316)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.load(GridCacheStoreManagerAdapter.java:282)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAllFromStore(GridCacheStoreManagerAda
>>> pter.java:416)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAll(GridCacheStoreManagerAdapter.java:382)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2059)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2057)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheContext
>>> $3.call(GridCacheContext.java:1406)
>>>         at
>>> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader
>>> (IgniteUtils.java:6621)
>>>         at
>>> org.apache.ignite.internal.processors.closure.GridClosurePro
>>> cessor$2.body(GridClosureProcessor.java:954)
>>>         at
>>> org.apache.ignite.internal.util.worker.GridWorker.run(GridWo
>>> rker.java:110)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
>>> Executor.java:1142)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
>>> lExecutor.java:617)
>>>         at java.lang.Thread.run(Thread.java:745)
>>> [15:29:04,600][WARNING][sys-#120%null%][CassandraCacheStore] Prepared
>>> statement cluster error detected, another thread already fixed the
>>> problem
>>> com.datastax.driver.core.exceptions.InvalidQueryException: Tried to
>>> execute
>>> unknown prepared query : 0xcad5832309a512feeb602eec67408130. You may
>>> have
>>> used a PreparedStatement that was created with another Cluster instance.
>>>         at
>>> com.datastax.driver.core.SessionManager.makeRequestMessage(S
>>> essionManager.java:568)
>>>         at
>>> com.datastax.driver.core.SessionManager.executeAsync(Session
>>> Manager.java:131)
>>>         at
>>> com.datastax.driver.core.AbstractSession.execute(AbstractSes
>>> sion.java:63)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.session.CassandraSes
>>> sionImpl.execute(CassandraSessionImpl.java:144)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.CassandraCacheStore.
>>> load(CassandraCacheStore.java:168)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheW
>>> riteBehindStore.load(GridCacheWriteBehindStore.java:500)
>>>         at
>>> org.apache.ignite.internal.processors.cache.CacheStoreBalanc
>>> ingWrapper.load(CacheStoreBalancingWrapper.java:98)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadFromStore(GridCacheStoreManagerAdapter.java:316)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.load(GridCacheStoreManagerAdapter.java:282)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAllFromStore(GridCacheStoreManagerAda
>>> pter.java:416)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAll(GridCacheStoreManagerAdapter.java:382)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2059)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2057)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheContext
>>> $3.call(GridCacheContext.java:1406)
>>>         at
>>> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader
>>> (IgniteUtils.java:6621)
>>>         at
>>> org.apache.ignite.internal.processors.closure.GridClosurePro
>>> cessor$2.body(GridClosureProcessor.java:954)
>>>         at
>>> org.apache.ignite.internal.util.worker.GridWorker.run(GridWo
>>> rker.java:110)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
>>> Executor.java:1142)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
>>> lExecutor.java:617)
>>>         at java.lang.Thread.run(Thread.java:745)
>>> [15:29:04,600][INFO][sys-#84%null%][CassandraCacheStore] Sleeping for
>>> 229ms
>>> [15:29:04,600][WARNING][sys-#131%null%][CassandraCacheStore] Prepared
>>> statement cluster error detected, another thread already fixed the
>>> problem
>>> com.datastax.driver.core.exceptions.InvalidQueryException: Tried to
>>> execute
>>> unknown prepared query : 0xcad5832309a512feeb602eec67408130. You may
>>> have
>>> used a PreparedStatement that was created with another Cluster instance.
>>>         at
>>> com.datastax.driver.core.SessionManager.makeRequestMessage(S
>>> essionManager.java:568)
>>>         at
>>> com.datastax.driver.core.SessionManager.executeAsync(Session
>>> Manager.java:131)
>>>         at
>>> com.datastax.driver.core.AbstractSession.execute(AbstractSes
>>> sion.java:63)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.session.CassandraSes
>>> sionImpl.execute(CassandraSessionImpl.java:144)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.CassandraCacheStore.
>>> load(CassandraCacheStore.java:168)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheW
>>> riteBehindStore.load(GridCacheWriteBehindStore.java:500)
>>>         at
>>> org.apache.ignite.internal.processors.cache.CacheStoreBalanc
>>> ingWrapper.load(CacheStoreBalancingWrapper.java:98)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadFromStore(GridCacheStoreManagerAdapter.java:316)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.load(GridCacheStoreManagerAdapter.java:282)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAllFromStore(GridCacheStoreManagerAda
>>> pter.java:416)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAll(GridCacheStoreManagerAdapter.java:382)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2059)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2057)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheContext
>>> $3.call(GridCacheContext.java:1406)
>>>         at
>>> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader
>>> (IgniteUtils.java:6621)
>>>         at
>>> org.apache.ignite.internal.processors.closure.GridClosurePro
>>> cessor$2.body(GridClosureProcessor.java:954)
>>>         at
>>> org.apache.ignite.internal.util.worker.GridWorker.run(GridWo
>>> rker.java:110)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
>>> Executor.java:1142)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
>>> lExecutor.java:617)
>>>         at java.lang.Thread.run(Thread.java:745)
>>> [15:29:04,600][INFO][sys-#120%null%][CassandraCacheStore] Sleeping for
>>> 229ms
>>> [15:29:04,605][INFO][sys-#131%null%][CassandraCacheStore] Sleeping for
>>> 229ms
>>> [15:29:04,605][WARNING][sys-#107%null%][CassandraCacheStore] Prepared
>>> statement cluster error detected, another thread already fixed the
>>> problem
>>> com.datastax.driver.core.exceptions.InvalidQueryException: Tried to
>>> execute
>>> unknown prepared query : 0xcad5832309a512feeb602eec67408130. You may
>>> have
>>> used a PreparedStatement that was created with another Cluster instance.
>>>         at
>>> com.datastax.driver.core.SessionManager.makeRequestMessage(S
>>> essionManager.java:568)
>>>         at
>>> com.datastax.driver.core.SessionManager.executeAsync(Session
>>> Manager.java:131)
>>>         at
>>> com.datastax.driver.core.AbstractSession.execute(AbstractSes
>>> sion.java:63)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.session.CassandraSes
>>> sionImpl.execute(CassandraSessionImpl.java:144)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.CassandraCacheStore.
>>> load(CassandraCacheStore.java:168)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheW
>>> riteBehindStore.load(GridCacheWriteBehindStore.java:500)
>>>         at
>>> org.apache.ignite.internal.processors.cache.CacheStoreBalanc
>>> ingWrapper.load(CacheStoreBalancingWrapper.java:98)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadFromStore(GridCacheStoreManagerAdapter.java:316)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.load(GridCacheStoreManagerAdapter.java:282)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAllFromStore(GridCacheStoreManagerAda
>>> pter.java:416)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAll(GridCacheStoreManagerAdapter.java:382)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2059)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2057)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheContext
>>> $3.call(GridCacheContext.java:1406)
>>>         at
>>> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader
>>> (IgniteUtils.java:6621)
>>>         at
>>> org.apache.ignite.internal.processors.closure.GridClosurePro
>>> cessor$2.body(GridClosureProcessor.java:954)
>>>         at
>>> org.apache.ignite.internal.util.worker.GridWorker.run(GridWo
>>> rker.java:110)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
>>> Executor.java:1142)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
>>> lExecutor.java:617)
>>>         at java.lang.Thread.run(Thread.java:745)
>>> [15:29:04,605][INFO][sys-#107%null%][CassandraCacheStore] Sleeping for
>>> 229ms
>>> [15:29:04,605][WARNING][sys-#140%null%][CassandraCacheStore] Prepared
>>> statement cluster error detected, another thread already fixed the
>>> problem
>>> com.datastax.driver.core.exceptions.InvalidQueryException: Tried to
>>> execute
>>> unknown prepared query : 0xcad5832309a512feeb602eec67408130. You may
>>> have
>>> used a PreparedStatement that was created with another Cluster instance.
>>>         at
>>> com.datastax.driver.core.SessionManager.makeRequestMessage(S
>>> essionManager.java:568)
>>>         at
>>> com.datastax.driver.core.SessionManager.executeAsync(Session
>>> Manager.java:131)
>>>         at
>>> com.datastax.driver.core.AbstractSession.execute(AbstractSes
>>> sion.java:63)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.session.CassandraSes
>>> sionImpl.execute(CassandraSessionImpl.java:144)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.CassandraCacheStore.
>>> load(CassandraCacheStore.java:168)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheW
>>> riteBehindStore.load(GridCacheWriteBehindStore.java:500)
>>>         at
>>> org.apache.ignite.internal.processors.cache.CacheStoreBalanc
>>> ingWrapper.load(CacheStoreBalancingWrapper.java:98)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadFromStore(GridCacheStoreManagerAdapter.java:316)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.load(GridCacheStoreManagerAdapter.java:282)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAllFromStore(GridCacheStoreManagerAda
>>> pter.java:416)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAll(GridCacheStoreManagerAdapter.java:382)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2059)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2057)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheContext
>>> $3.call(GridCacheContext.java:1406)
>>>         at
>>> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader
>>> (IgniteUtils.java:6621)
>>>         at
>>> org.apache.ignite.internal.processors.closure.GridClosurePro
>>> cessor$2.body(GridClosureProcessor.java:954)
>>>         at
>>> org.apache.ignite.internal.util.worker.GridWorker.run(GridWo
>>> rker.java:110)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
>>> Executor.java:1142)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
>>> lExecutor.java:617)
>>>         at java.lang.Thread.run(Thread.java:745)
>>> [15:29:04,606][INFO][sys-#140%null%][CassandraCacheStore] Sleeping for
>>> 229ms
>>> [15:29:04,606][WARNING][sys-#125%null%][CassandraCacheStore] Prepared
>>> statement cluster error detected, another thread already fixed the
>>> problem
>>> com.datastax.driver.core.exceptions.InvalidQueryException: Tried to
>>> execute
>>> unknown prepared query : 0xcad5832309a512feeb602eec67408130. You may
>>> have
>>> used a PreparedStatement that was created with another Cluster instance.
>>>         at
>>> com.datastax.driver.core.SessionManager.makeRequestMessage(S
>>> essionManager.java:568)
>>>         at
>>> com.datastax.driver.core.SessionManager.executeAsync(Session
>>> Manager.java:131)
>>>         at
>>> com.datastax.driver.core.AbstractSession.execute(AbstractSes
>>> sion.java:63)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.session.CassandraSes
>>> sionImpl.execute(CassandraSessionImpl.java:144)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.CassandraCacheStore.
>>> load(CassandraCacheStore.java:168)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheW
>>> riteBehindStore.load(GridCacheWriteBehindStore.java:500)
>>>         at
>>> org.apache.ignite.internal.processors.cache.CacheStoreBalanc
>>> ingWrapper.load(CacheStoreBalancingWrapper.java:98)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadFromStore(GridCacheStoreManagerAdapter.java:316)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.load(GridCacheStoreManagerAdapter.java:282)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAllFromStore(GridCacheStoreManagerAda
>>> pter.java:416)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAll(GridCacheStoreManagerAdapter.java:382)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2059)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2057)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheContext
>>> $3.call(GridCacheContext.java:1406)
>>>         at
>>> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader
>>> (IgniteUtils.java:6621)
>>>         at
>>> org.apache.ignite.internal.processors.closure.GridClosurePro
>>> cessor$2.body(GridClosureProcessor.java:954)
>>>         at
>>> org.apache.ignite.internal.util.worker.GridWorker.run(GridWo
>>> rker.java:110)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
>>> Executor.java:1142)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
>>> lExecutor.java:617)
>>>         at java.lang.Thread.run(Thread.java:745)
>>> [15:29:04,606][INFO][sys-#125%null%][CassandraCacheStore] Sleeping for
>>> 229ms
>>> [15:29:04,606][WARNING][sys-#115%null%][CassandraCacheStore] Prepared
>>> statement cluster error detected, another thread already fixed the
>>> problem
>>> com.datastax.driver.core.exceptions.InvalidQueryException: Tried to
>>> execute
>>> unknown prepared query : 0xcad5832309a512feeb602eec67408130. You may
>>> have
>>> used a PreparedStatement that was created with another Cluster instance.
>>>         at
>>> com.datastax.driver.core.SessionManager.makeRequestMessage(S
>>> essionManager.java:568)
>>>         at
>>> com.datastax.driver.core.SessionManager.executeAsync(Session
>>> Manager.java:131)
>>>         at
>>> com.datastax.driver.core.AbstractSession.execute(AbstractSes
>>> sion.java:63)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.session.CassandraSes
>>> sionImpl.execute(CassandraSessionImpl.java:144)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.CassandraCacheStore.
>>> load(CassandraCacheStore.java:168)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheW
>>> riteBehindStore.load(GridCacheWriteBehindStore.java:500)
>>>         at
>>> org.apache.ignite.internal.processors.cache.CacheStoreBalanc
>>> ingWrapper.load(CacheStoreBalancingWrapper.java:98)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadFromStore(GridCacheStoreManagerAdapter.java:316)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.load(GridCacheStoreManagerAdapter.java:282)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAllFromStore(GridCacheStoreManagerAda
>>> pter.java:416)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAll(GridCacheStoreManagerAdapter.java:382)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2059)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2057)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheContext
>>> $3.call(GridCacheContext.java:1406)
>>>         at
>>> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader
>>> (IgniteUtils.java:6621)
>>>         at
>>> org.apache.ignite.internal.processors.closure.GridClosurePro
>>> cessor$2.body(GridClosureProcessor.java:954)
>>>         at
>>> org.apache.ignite.internal.util.worker.GridWorker.run(GridWo
>>> rker.java:110)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
>>> Executor.java:1142)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
>>> lExecutor.java:617)
>>>         at java.lang.Thread.run(Thread.java:745)
>>> [15:29:04,607][INFO][sys-#115%null%][CassandraCacheStore] Sleeping for
>>> 229ms
>>> [15:29:04,607][WARNING][sys-#144%null%][CassandraCacheStore] Prepared
>>> statement cluster error detected, refreshing Cassandra session
>>> com.datastax.driver.core.exceptions.InvalidQueryException: Tried to
>>> execute
>>> unknown prepared query : 0xcad5832309a512feeb602eec67408130. You may
>>> have
>>> used a PreparedStatement that was created with another Cluster instance.
>>>         at
>>> com.datastax.driver.core.SessionManager.makeRequestMessage(S
>>> essionManager.java:568)
>>>         at
>>> com.datastax.driver.core.SessionManager.executeAsync(Session
>>> Manager.java:131)
>>>         at
>>> com.datastax.driver.core.AbstractSession.execute(AbstractSes
>>> sion.java:63)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.session.CassandraSes
>>> sionImpl.execute(CassandraSessionImpl.java:144)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.CassandraCacheStore.
>>> load(CassandraCacheStore.java:168)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheW
>>> riteBehindStore.load(GridCacheWriteBehindStore.java:500)
>>>         at
>>> org.apache.ignite.internal.processors.cache.CacheStoreBalanc
>>> ingWrapper.load(CacheStoreBalancingWrapper.java:98)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadFromStore(GridCacheStoreManagerAdapter.java:316)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.load(GridCacheStoreManagerAdapter.java:282)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAllFromStore(GridCacheStoreManagerAda
>>> pter.java:416)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAll(GridCacheStoreManagerAdapter.java:382)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2059)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2057)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheContext
>>> $3.call(GridCacheContext.java:1406)
>>>         at
>>> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader
>>> (IgniteUtils.java:6621)
>>>         at
>>> org.apache.ignite.internal.processors.closure.GridClosurePro
>>> cessor$2.body(GridClosureProcessor.java:954)
>>>         at
>>> org.apache.ignite.internal.util.worker.GridWorker.run(GridWo
>>> rker.java:110)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
>>> Executor.java:1142)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
>>> lExecutor.java:617)
>>>         at java.lang.Thread.run(Thread.java:745)
>>> [15:29:04,830][INFO][sys-#84%null%][CassandraCacheStore] Sleep completed
>>> [15:29:04,837][INFO][sys-#125%null%][CassandraCacheStore] Sleep
>>> completed
>>> [15:29:04,836][INFO][sys-#120%null%][CassandraCacheStore] Sleep
>>> completed
>>> [15:29:04,841][INFO][sys-#115%null%][CassandraCacheStore] Sleep
>>> completed
>>> [15:29:04,836][INFO][sys-#131%null%][CassandraCacheStore] Sleep
>>> completed
>>> [15:29:04,835][INFO][sys-#107%null%][CassandraCacheStore] Sleep
>>> completed
>>> [15:29:04,847][WARNING][sys-#107%null%][CassandraCacheStore] Trying 2
>>> attempt to execute Cassandra CQL statement: select "value" from
>>> "triggers"."callback" where "key"=?;
>>> [15:29:04,835][INFO][sys-#140%null%][CassandraCacheStore] Sleep
>>> completed
>>> [15:29:04,847][WARNING][sys-#140%null%][CassandraCacheStore] Trying 2
>>> attempt to execute Cassandra CQL statement: select "value" from
>>> "triggers"."callback" where "key"=?;
>>> [15:29:04,846][WARNING][sys-#131%null%][CassandraCacheStore] Trying 2
>>> attempt to execute Cassandra CQL statement: select "value" from
>>> "triggers"."callback" where "key"=?;
>>> [15:29:04,843][WARNING][sys-#115%null%][CassandraCacheStore] Trying 2
>>> attempt to execute Cassandra CQL statement: select "value" from
>>> "triggers"."callback" where "key"=?;
>>> [15:29:04,843][WARNING][sys-#120%null%][CassandraCacheStore] Trying 2
>>> attempt to execute Cassandra CQL statement: select "value" from
>>> "triggers"."callback" where "key"=?;
>>> [15:29:04,843][WARNING][sys-#84%null%][CassandraCacheStore] Trying 2
>>> attempt
>>> to execute Cassandra CQL statement: select "value" from
>>> "triggers"."callback" where "key"=?;
>>> [15:29:04,843][WARNING][sys-#125%null%][CassandraCacheStore] Trying 2
>>> attempt to execute Cassandra CQL statement: select "value" from
>>> "triggers"."callback" where "key"=?;
>>> [15:29:04,932][INFO][sys-#106%null%][CassandraCacheStore] Sleep
>>> completed
>>> [15:29:04,932][INFO][sys-#139%null%][CassandraCacheStore] Sleep
>>> completed
>>> [15:29:04,932][WARNING][sys-#106%null%][CassandraCacheStore] Trying 2
>>> attempt to execute Cassandra CQL statement: select "value" from
>>> "triggers"."callback" where "key"=?;
>>> [15:29:04,932][WARNING][sys-#139%null%][CassandraCacheStore] Trying 2
>>> attempt to execute Cassandra CQL statement: select "value" from
>>> "triggers"."callback" where "key"=?;
>>> [15:29:06,903][WARNING][sys-#144%null%][CassandraCacheStore] Cassandra
>>> session refreshed
>>> [15:29:06,903][INFO][sys-#144%null%][CassandraCacheStore] Sleeping for
>>> 229ms
>>> [15:29:06,903][WARNING][sys-#141%null%][CassandraCacheStore] Prepared
>>> statement cluster error detected, another thread already fixed the
>>> problem
>>> com.datastax.driver.core.exceptions.InvalidQueryException: Tried to
>>> execute
>>> unknown prepared query : 0xcad5832309a512feeb602eec67408130. You may
>>> have
>>> used a PreparedStatement that was created with another Cluster instance.
>>>         at
>>> com.datastax.driver.core.SessionManager.makeRequestMessage(S
>>> essionManager.java:568)
>>>         at
>>> com.datastax.driver.core.SessionManager.executeAsync(Session
>>> Manager.java:131)
>>>         at
>>> com.datastax.driver.core.AbstractSession.execute(AbstractSes
>>> sion.java:63)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.session.CassandraSes
>>> sionImpl.execute(CassandraSessionImpl.java:144)
>>>         at
>>> org.apache.ignite.cache.store.cassandra.CassandraCacheStore.
>>> load(CassandraCacheStore.java:168)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheW
>>> riteBehindStore.load(GridCacheWriteBehindStore.java:500)
>>>         at
>>> org.apache.ignite.internal.processors.cache.CacheStoreBalanc
>>> ingWrapper.load(CacheStoreBalancingWrapper.java:98)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadFromStore(GridCacheStoreManagerAdapter.java:316)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.load(GridCacheStoreManagerAdapter.java:282)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAllFromStore(GridCacheStoreManagerAda
>>> pter.java:416)
>>>         at
>>> org.apache.ignite.internal.processors.cache.store.GridCacheS
>>> toreManagerAdapter.loadAll(GridCacheStoreManagerAdapter.java:382)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2059)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheAdapter
>>> $16.call(GridCacheAdapter.java:2057)
>>>         at
>>> org.apache.ignite.internal.processors.cache.GridCacheContext
>>> $3.call(GridCacheContext.java:1406)
>>>         at
>>> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader
>>> (IgniteUtils.java:6621)
>>>         at
>>> org.apache.ignite.internal.processors.closure.GridClosurePro
>>> cessor$2.body(GridClosureProcessor.java:954)
>>>         at
>>> org.apache.ignite.internal.util.worker.GridWorker.run(GridWo
>>> rker.java:110)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
>>> Executor.java:1142)
>>>         at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
>>> lExecutor.java:617)
>>>         at java.lang.Thread.run(Thread.java:745)
>>>
>>> After this I have to restart the cluster and application or have
>>> "transactions deadlock" message.
>>>
>>> And I checked: network is fine, no OOME in the ignite and cassandra
>>> (cassandra logs don't say anything about it). I understand that this is
>>> issue of persistence into cassandra but don't know how can I fix it. And
>>> after some attempts ignite node is stopped. I tried to change write
>>> behind
>>> parameters and disable it at all - but have the same issue. May be I
>>> have to
>>> see in the other place? May be this is important - i use
>>> IgniteDataStreamer
>>> for reading values from kafka (earlier I used the simple cache operations
>>> and didn't have this problem at all).
>>>
>>> final IgniteDataStreamer<String, BinaryObject> streamer =
>>> ignite.dataStreamer(callCache().getName());
>>> streamer.autoFlushFrequency(5000);
>>> streamer.keepBinary(true);
>>> streamer.perNodeBufferSize(5120);
>>>
>>>
>>> And one more question about persistence settings. If I'm working with
>>> BinaryObjects and ignite doesn't know about my class types, should I use
>>> valuePersistence class =  "org.apache.ignite.binary.BinaryObject"? I
>>> did it
>>> because peer class loading doesn't work for my own classes and I don't
>>> want
>>> to add new jars into all ignite nodes and all my apps.
>>>
>>> Thanks for help!
>>>
>>>
>>> --
>>> Sent from: http://apache-ignite-users.70518.x6.nabble.com/
>>>
>>>
>>>
>>>
>>> --
>>> Sent from: http://apache-ignite-users.70518.x6.nabble.com/
>>>
>>>
>>>
>>>
>>>
>>> --
>>>
>>> Best regards,
>>> Andrey V. Mashenkov
>>>
>>
>>
>

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