Can someone from community advise?
On Wed, Oct 30, 2019 at 7:28 PM Prasad Bhalerao <
[email protected]> wrote:
> Hi,
> Ignite version: 2.6.0
>
> I am getting following exception while committing a transaction inside
> IgniteRunnable task.
> Transaction is
>
> try (Transaction tx = transactions.txStart(TransactionConcurrency.OPTIMISTIC,
> TransactionIsolation.SERIALIZABLE)) {
>
> ....
>
> ..
>
> }
>
>
> As per the ignite doc
> <https://apacheignite.readme.io/docs/concurrency-modes-and-isolation-levels#section-optimistic-transactions>
> if
> the transaction isolation level is serializable,
> Ignite will fail a transaction at the commit stage if the Ignite engine
> detects that at least one of the entries used as part of the initiated
> transaction has been modified.
>
> But inside transaction I am just reading SubscriptionData from
> Sunsbscription cache, I am not modifying this data inside transaction. Also
> this SubscriptionData is not being modified in some other request
> outside the mentioned transaction.
>
> Then what could be the reason for this transaction failure?
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> *Caused by: org.apache.ignite.transactions.TransactionOptimisticException:
> Failed to prepare transaction, read/write conflict
> [key=com.xyz.grid.data.key.DefaultDataKey@fe220,
> keyCls=com.xyz.grid.data.key.DefaultDataKey,
> val=SubscriptionData{subscriptionId=1040928, companyName='test-cmp',
> expirationDate=1592092799000, activatedModules={100=1592006400000,
> 101=1592006400000, 102=1592006400000, 107=1592006400000, 112=1592006400000,
> 145=1592006400000, 114=1592006400000, 117=1592006400000,
> 1206=1592006400000, 119=1592006400000, 1207=1592006400000,
> 121=1592006400000, 1210=1592006400000, 9211=1592006400000}, enforced=false,
> ipv6Enabled=false}, valCls=com.xyz.grid.data.SubscriptionData,
> cache=SUBSCRIPTION_CACHE, thread=IgniteThread [compositeRwLockIdx=22,
> stripe=10, plc=-1, name=sys-stripe-10-#11%springDataNode%]] at
> org.apache.ignite.internal.util.IgniteUtils$14.apply(IgniteUtils.java:905)
> at
> org.apache.ignite.internal.util.IgniteUtils$14.apply(IgniteUtils.java:903)
> at
> org.apache.ignite.internal.util.IgniteUtils.convertException(IgniteUtils.java:985)
> at
> org.apache.ignite.internal.processors.cache.transactions.TransactionProxyImpl.commit(TransactionProxyImpl.java:305)
> at
> com.xyz.task.ignite.AbstractModuleIpAdderIgniteTask.addIps(AbstractModuleIpAdderIgniteTask.java:148)
> at
> com.xyz.task.ignite.AbstractModuleIpAdderIgniteTask.run(AbstractModuleIpAdderIgniteTask.java:93)
> at
> org.apache.ignite.internal.processors.closure.GridClosureProcessor$C4.execute(GridClosureProcessor.java:1944)
> at
> org.apache.ignite.internal.processors.job.GridJobWorker$2.call(GridJobWorker.java:568)
> at
> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader(IgniteUtils.java:6695)
> at
> org.apache.ignite.internal.processors.job.GridJobWorker.execute0(GridJobWorker.java:562)
> at
> org.apache.ignite.internal.processors.job.GridJobWorker.body(GridJobWorker.java:491)
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
> ... 3 common frames omittedCaused by:
> org.apache.ignite.internal.transactions.IgniteTxOptimisticCheckedException:
> Failed to prepare transaction, read/write conflict
> [key=com.xyz.grid.data.key.DefaultDataKey@fe220,
> keyCls=com.xyz.grid.data.key.DefaultDataKey,
> val=SubscriptionData{subscriptionId=1040928, companyName='test-cmp',
> expirationDate=1592092799000, activatedModules={100=1592006400000,
> 101=1592006400000, 102=1592006400000, 107=1592006400000, 112=1592006400000,
> 145=1592006400000, 114=1592006400000, 117=1592006400000,
> 1206=1592006400000, 119=1592006400000, 1207=1592006400000,
> 121=1592006400000, 1210=1592006400000, 9211=1592006400000}, enforced=false,
> ipv6Enabled=false}, valCls=com.xyz.grid.data.SubscriptionData,
> cache=SUBSCRIPTION_CACHE, thread=IgniteThread [compositeRwLockIdx=22,
> stripe=10, plc=-1, name=sys-stripe-10-#11%springDataNode%]] at
> org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtTxPrepareFuture.versionCheckError(GridDhtTxPrepareFuture.java:1190)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtTxPrepareFuture.checkReadConflict(GridDhtTxPrepareFuture.java:1138)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtTxPrepareFuture.prepare0(GridDhtTxPrepareFuture.java:1205)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtTxPrepareFuture.mapIfLocked(GridDhtTxPrepareFuture.java:671)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtTxPrepareFuture.prepare(GridDhtTxPrepareFuture.java:1048)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtTxLocal.prepareAsync(GridDhtTxLocal.java:397)
> at
> org.apache.ignite.internal.processors.cache.transactions.IgniteTxHandler.prepareNearTx(IgniteTxHandler.java:516)
> at
> org.apache.ignite.internal.processors.cache.transactions.IgniteTxHandler.processNearTxPrepareRequest0(IgniteTxHandler.java:157)
> at
> org.apache.ignite.internal.processors.cache.transactions.IgniteTxHandler.processNearTxPrepareRequest(IgniteTxHandler.java:135)
> at
> org.apache.ignite.internal.processors.cache.transactions.IgniteTxHandler.access$000(IgniteTxHandler.java:97)
> at
> org.apache.ignite.internal.processors.cache.transactions.IgniteTxHandler$1.apply(IgniteTxHandler.java:177)
> at
> org.apache.ignite.internal.processors.cache.transactions.IgniteTxHandler$1.apply(IgniteTxHandler.java:175)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager.processMessage(GridCacheIoManager.java:1054)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager.onMessage0(GridCacheIoManager.java:579)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager.handleMessage(GridCacheIoManager.java:378)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager.handleMessage(GridCacheIoManager.java:304)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager.access$100(GridCacheIoManager.java:99)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager$1.onMessage(GridCacheIoManager.java:293)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.invokeListener(GridIoManager.java:1556)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:1184)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.access$4200(GridIoManager.java:125)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager$9.run(GridIoManager.java:1091)
> at
> org.apache.ignite.internal.util.StripedExecutor$Stripe.run(StripedExecutor.java:511)
> ... 1 common frames omitted*
>
> Thanks,
> Prasad
>
