Sub Regions
Can we achieve tree like hierarchy of data with SubRegions?For example, we have a "root" region and "child" region.- "root" has entries with keySet [key1,key2]- Can "child" then have a separate...
View ArticleHow to setup Gemfire in client/server mode with external XA transaction provider
Hi, I would like to have a transaction between Gemfire operations and WebSphere MQ, using Atomikos as XA transaction manager. The documentation is quite evasive regarding how to setup Gemfire with an...
View ArticleHow to get GFSH to query Gemfire 7 PDXSerialized Objects?
Hello,In Gemfire 6 gfsh was able to query pdx serialized objects. Basically trick the ~/.gemfire/etc/gfsh.properties to have an entry likecache-xml-file=gfsh-cache.xml and creating a file...
View ArticleVM is exiting - shutting down distributed system - In P2P System
Hi, I found a problem in my application, the problems is that the distributed system is shutting down and I don't know why this happend.I was wathcing in the client log, and I found this kind of...
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 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 ArticleConnecting to a co-located locator.
I've created a simple test that uses the "start-locator" property to start a co-located locator. I'm able to connect programmatically through a ClientCache but when I try to connect using GFSH, I get...
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 ArticleConfiguration problem mixing regions with and without disk persistence setup...
I'm have trouble setting up my local configuration properly with a mix of regions with varying disk persistence setup. Is this a configuration problem on my end or a bug in GemFire and/or Spring Data...
View ArticlePivotal GemFire XD Beta for Pivotal HD Is Now Available!
GemFire XD, a distributed in-memory OLTP store on Pivotal HD, with support for ANSI SQL-92 is now available on the Pivotal download site. Download GemFire XD Beta from the Pivotal website...
View ArticleGemFire 7.0.1 Gateway configuration via Java API fails to deploy properly
I have been following the instructions provided here: Multi-site (WAN) Configuration. I have been unable to successfully deploy a gateway and I believe I am missing a small bit of configuration, but I...
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 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 Article