Asynchronous write down to DB with AsyncEventListener
I have a Gemfire application where I am performing DB updates to cached objects inside an AsyncEventListener. Basically whenever an object is put into Gemfire the AsyncEventListener will fire and the...
View ArticleAsyncEvent
Does the AsyncEvent.getDeserializedValue() method return a snapshot of the affected cache entry at the time the Event was fired or does it return the object directly from cache? In other words if I...
View ArticlePDX Enum Issue
com.gemstone.gemfire.cache.client.ServerOperationException: com.gemstone.gemfire.pdx.PdxSerializationException: Deserialization error on field customerSalesTerm for class...
View ArticleAsyncEventListener behavior
I understand that if I set up a redundant AsyncEventListener to process region events the queue will fail over to the redundant queue during a node failure with a possibility that some events may be...
View ArticleCreating dynamic regions upon node startup using information stored in a...
I'm working on a new GemFire grid where we create dynamic subregions using user-provided information at runtime. Upon successful creation of a dynamic subregion across our grid, we store the subregion...
View ArticleLocator dat file
Using the same example in https://communities.vmware.com/thread/462912 A dat file (locator31034state.dat) is created when the locator starts. I expected the dat file to be created in the...
View ArticleHTTP Session Timeout Regardless of Activity
Hello,I'm experiencing an issue with GemFire HTTP Session Management where a user's session will timeout even if it is active. My environment:GemFire 6.6.2GemFire Modules 2.1.2Tomcat...
View ArticleCannot start gemfire JMX agent
Recently I cannot start the jmx agent with the following exception: java.lang.IllegalStateException: JMX Agent exists but was not shutdown. at...
View ArticleBest way to access entries in Replicated region
I am trying to loop through all the entries (20k) in a replicated region on server side inside of a Gemfire function.If I use either region.values() OR region.entrySet() and access just one of the...
View ArticleAccess 2 Gemfire Instances (Different locators from single Clientcache.xml file)
Hi Is it possible to access 2 Gemfire instances (2 different locators) from single ClientCache.xml file, both these instances have same regions, every thing is same For exampleI...
View ArticleProblem running QuickStart ClientServer Demo
Hi I wonder someone would be able to give some pointers on the ClientServer demo, I seem to get some errors when I try to populate items in the region. This is where I have got to so far 1) start the...
View ArticleCQ queries do not support projections
Hi, In .Net client I am trying to create a CQ with the following query: select collectInfo() from /SomeRegion,where collectInfo() is a method the object from the Gemfire region, which returns and...
View ArticleBest Practice around unit testing client/server topologies containing...
Hi - I'm currently working on migrating a project from a peer-to-peer topology to a client-server topology. Although, I've had some success in the client-server runtime setup, I'm running issues with...
View ArticlePulse application - missing jar?
I'm running the pulse web application in embedded mode in a locator and occasionally I'll get the following stack trace in locator log when I go to log into the application from a browser. It looks...
View ArticleIndexMaintenanceException during synchronous index update in JTA transaction
Dear guru, I am using JTA with Gemfire itself as transaction coordinator (to synchronize changes with database) and is experiencing problems creating indexes for transactional replicated regions. With...
View ArticleThe proper way to achieve consistency between cache and backend database
Dear guru, I need to be sure that my cache and backend database are always in consistent state, i.e. all cache updates are guaranteed propagated to the database in transactional-like way. Going through...
View ArticleFunction on Replicated Regions
I see everywhere in documentation description how functions are executed on partition regions.Is that mean that remote function executed on replicated regions is not recommended?What is the advantage...
View ArticleGFSH bug (Date is printed as java.util.Date)
dasbib@xstm8621dwk.stm.swissbank.com:/home/dasbib>gfsh7 _________________________ __ / _____/ ______/ ______/ /____/ / / / __/ /___ /_____ / _____ / / /__/ / ____/ _____/ / / /...
View ArticleClients getting terminated at local site when remote site is down and too...
19 Dec 13|13:02:51:553|SEVERE|com.foo.eqd.ipke.wrapper.PositionSystemWrapper$3|Seeder-Deal Unexpected Error occured: com.gemstone.gemfire.cache.execute.FunctionException:...
View ArticlePulse Exception in Locator Log...
java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:819) at java.util.ArrayList$Itr.next(ArrayList.java:791) at...
View Article