Hi Huynh, Entries are being put using GemfirreTemplate from client side. gemfireTemplate.putAll(map) [Where map --> Map<String, PdxInsatnce> And PdxInstance --> Jsonformatter.fromjson(jsonString)]
Yes you are right. They are being modified before deletion. Let me describe those steps. 1. Let’s say cache has 10 records and database has 8 records. 2. Calculating delta is costly as well as emptying region and reloading is also not valid option for us due to realtime use case of the same region data 3. So we first update all 8 records from database into cache which will replace “Value” part of region if key matches 4. Then question comes about those extra 2 records which still exists into cache but not in database 5. So we calculate key different of (cacheKeys – databaseKeys) [A MINUS B] and delete unwanted keys from cache Regards, Dharam From: Jason Huynh [mailto:[email protected]] Sent: Wednesday, May 03, 2017 10:53 PM To: [email protected] Subject: Re: IndexMaintenanceException while remove old keys correctly from Compact Map Range Index Hi Dharam, How are the entries being put into the region? Are they put through a client or is it done on the server itself? Does the put command look similar to : region.put(key, JSONFormatter.fromJSON(someJsonString))? Somehow the object that is being removed is now returning an Integer instead of a PdxString for it's index value (either intField or uuid, depending on which index is failing). I am not sure exactly how that would happen at this point, but it will help to know exactly how these objects are put and how they are updated and removed. Are they being modified at any point? What version are you currently using? I'm going to guess 1.0? Is there an actual domain object for these objects that some values are being deserialized to on the server? -Jason Huynh On Wed, May 3, 2017 at 3:36 AM Thacker, Dharam <[email protected]<mailto:[email protected]>> wrote: Hi Team, Could you guide us with below exception? How did we get that? Step1: Our region is already loaded with 1M+ records [Region<String,PdxInstance> -- PDXInstance is JsonString using JsonFormatter] Step2: When client is instructed about bulk updates in database, we calculate diff of keys using (cache - database) to remove stale deleted entries from region Step3: To do the same, we run below loop, for(Object key : cacheKeys ){ template.remove(key); } Region def: <geode:replicated-region id="Event" cache-ref="geodeCache" scope="distributed-ack" key-constraint="java.lang.String" value-constraint="org.apache.geode.pdx.PdxInstance" shortcut="REPLICATE_PERSISTENT_OVERFLOW" persistent="true" disk-synchronous="false" disk-store-ref="event_disk_store"> <geode:cache-loader ref="eventCacheMissDbLoader"/> </geode:replicated-region> <geode:index id="event_uuid_indx" expression="i.uuid" from="/Event i" cache-ref="geodeCache"/> <geode:index id="event_intField_indx" expression="i.intField" from="/Event i" cache-ref="geodeCache" type="FUNCTIONAL"/> Which results into below exception >> java.lang.ClassCastException: org.apache.geode.pdx.internal.PdxString cannot be cast to java.lang.Integer at java.lang.Integer.compareTo(Integer.java:52) at org.apache.geode.cache.query.internal.types.ExtendedNumericComparator.compare(ExtendedNumericComparator.java:49) at java.util.concurrent.ConcurrentSkipListMap.cpr(ConcurrentSkipListMap.java:655) at java.util.concurrent.ConcurrentSkipListMap.findPredecessor(ConcurrentSkipListMap.java:682) at java.util.concurrent.ConcurrentSkipListMap.doGet(ConcurrentSkipListMap.java:781) at java.util.concurrent.ConcurrentSkipListMap.get(ConcurrentSkipListMap.java:1546) at org.apache.geode.cache.query.internal.index.MemoryIndexStore.basicRemoveMapping(MemoryIndexStore.java:308) at org.apache.geode.cache.query.internal.index.MemoryIndexStore.removeMapping(MemoryIndexStore.java:286) at org.apache.geode.cache.query.internal.index.CompactRangeIndex$IMQEvaluator.applyProjection(CompactRangeIndex.java:1695) at org.apache.geode.cache.query.internal.index.CompactRangeIndex$IMQEvaluator.doNestedIterations(CompactRangeIndex.java:1627) at org.apache.geode.cache.query.internal.index.CompactRangeIndex$IMQEvaluator.doNestedIterations(CompactRangeIndex.java:1637) at org.apache.geode.cache.query.internal.index.CompactRangeIndex$IMQEvaluator.evaluate(CompactRangeIndex.java:1477) ... 23 common frames omitted Wrapped by: org.apache.geode.cache.query.internal.index.IMQException: null at org.apache.geode.cache.query.internal.index.CompactRangeIndex$IMQEvaluator.evaluate(CompactRangeIndex.java:1491) at org.apache.geode.cache.query.internal.index.CompactRangeIndex.removeMapping(CompactRangeIndex.java:167) at org.apache.geode.cache.query.internal.index.AbstractIndex.removeIndexMapping(AbstractIndex.java:511) at org.apache.geode.cache.query.internal.index.IndexManager.processAction(IndexManager.java:1111) at org.apache.geode.cache.query.internal.index.IndexManager.updateIndexes(IndexManager.java:967) at org.apache.geode.cache.query.internal.index.IndexManager.updateIndexes(IndexManager.java:941) at org.apache.geode.internal.cache.AbstractRegionEntry.destroy(AbstractRegionEntry.java:815) ... 17 common frames omitted Wrapped by: org.apache.geode.cache.query.IndexMaintenanceException: org.apache.geode.cache.query.internal.index.IMQException at org.apache.geode.internal.cache.AbstractRegionEntry.destroy(AbstractRegionEntry.java:820) at org.apache.geode.internal.cache.AbstractRegionMap.destroyEntry(AbstractRegionMap.java:3038) at org.apache.geode.internal.cache.AbstractRegionMap.destroy(AbstractRegionMap.java:1386) at org.apache.geode.internal.cache.LocalRegion.mapDestroy(LocalRegion.java:7019) at org.apache.geode.internal.cache.LocalRegion.mapDestroy(LocalRegion.java:6991) at org.apache.geode.internal.cache.LocalRegionDataView.destroyExistingEntry(LocalRegionDataView.java:55) at org.apache.geode.internal.cache.LocalRegion.basicDestroy(LocalRegion.java:6956) at org.apache.geode.internal.cache.DistributedRegion.basicDestroy(DistributedRegion.java:1738) at org.apache.geode.internal.cache.LocalRegion.basicBridgeDestroy(LocalRegion.java:5801) at org.apache.geode.internal.cache.tier.sockets.command.Destroy65.cmdExecute(Destroy65.java:232) at org.apache.geode.internal.cache.tier.sockets.BaseCommand.execute(BaseCommand.java:147) at org.apache.geode.internal.cache.tier.sockets.ServerConnection.doNormalMsg(ServerConnection.java:783) at org.apache.geode.internal.cache.tier.sockets.ServerConnection.doOneMessage(ServerConnection.java:913) at org.apache.geode.internal.cache.tier.sockets.ServerConnection.run(ServerConnection.java:1143) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.geode.internal.cache.tier.sockets.AcceptorImpl$1$1.run(AcceptorImpl.java:546) ... 1 common frames omitted Wrapped by: org.apache.geode.cache.client.ServerOperationException: remote server on XXXXXX: : While performing a remote destroy at org.apache.geode.cache.client.internal.AbstractOp.processAck(AbstractOp.java:263) at org.apache.geode.cache.client.internal.DestroyOp$DestroyOpImpl.processResponse(DestroyOp.java:201) at org.apache.geode.cache.client.internal.AbstractOp.attemptReadResponse(AbstractOp.java:176) at org.apache.geode.cache.client.internal.AbstractOp.attempt(AbstractOp.java:388) at org.apache.geode.cache.client.internal.ConnectionImpl.execute(ConnectionImpl.java:272) at org.apache.geode.cache.client.internal.pooling.PooledConnection.execute(PooledConnection.java:328) at org.apache.geode.cache.client.internal.OpExecutorImpl.executeWithPossibleReAuthentication(OpExecutorImpl.java:937) at org.apache.geode.cache.client.internal.OpExecutorImpl.execute(OpExecutorImpl.java:155) at org.apache.geode.cache.client.internal.OpExecutorImpl.execute(OpExecutorImpl.java:110) at org.apache.geode.cache.client.internal.PoolImpl.execute(PoolImpl.java:697) at org.apache.geode.cache.client.internal.DestroyOp.execute(DestroyOp.java:93) Regards, Dharam This message is confidential and subject to terms at: http://www.jpmorgan.com/emaildisclaimer<http://www.jpmorgan.com/emaildisclaimer> including on confidentiality, legal privilege, viruses and monitoring of electronic messages. 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