Hi,
I am using Apache Ignite 2.7.5 .net thin client and server.When i am do load
operation getting below log on console and .net application going to crash.
while only loading single record into cache only Exception is coming on
console but when loading bulk data into cache continously all these
exception printing on console and .net application is crashing.

I am using key as sting and data as model class to store into ignite.

*Cache configuration:*
---------------------------



*LoadCache:*
try{
         using (var ldr = _ignite.GetDataStreamer<string, Students>(cacheName))
        {
          ldr.AddData(base64EncodedKey, stInstance);//*after this line exception
coming on console and server going to crash*
          
          
        }
}
catch(Exception ex){
 //*not able catch exception*
}


*Full log of console errors*
---------------------------------------
*[12:16:50] (err) Failed to execute compound future reducer:
GridCompoundFuture *[rdc=null, initFlag=1, lsnrCalls=0, done=false,
cancelled=false, err=null, futs=[true]]class
org.apache.ignite.IgniteCheckedException: DataStreamer request failed
[node=1801693c-afd7-4857-9415-1a13f6043b4b]
        at
org.apache.ignite.internal.processors.datastreamer.DataStreamerImpl$Buffer.onResponse(DataStreamerImpl.java:2055)
        at
org.apache.ignite.internal.processors.datastreamer.DataStreamerImpl$3.onMessage(DataStreamerImpl.java:356)
        at
org.apache.ignite.internal.managers.communication.GridIoManager.invokeListener(GridIoManager.java:1569)
        at
org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:1197)
        at
org.apache.ignite.internal.managers.communication.GridIoManager.access$4200(GridIoManager.java:127)
        at
org.apache.ignite.internal.managers.communication.GridIoManager$9.run(GridIoManager.java:1093)
        at
org.apache.ignite.internal.util.StripedExecutor$Stripe.body(StripedExecutor.java:505)
        at
org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
        at java.lang.Thread.run(Thread.java:748)
*Caused by: class org.apache.ignite.binary.BinaryInvalidTypeException:
Unknown pair [platformId=0, typeId=-1854586790]*
        at
org.apache.ignite.internal.binary.BinaryContext.descriptorForTypeId(BinaryContext.java:707)
        at
org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize0(BinaryReaderExImpl.java:1757)
        at
org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize(BinaryReaderExImpl.java:1716)
        at
org.apache.ignite.internal.binary.BinaryObjectImpl.deserializeValue(BinaryObjectImpl.java:798)
        at
org.apache.ignite.internal.binary.BinaryObjectImpl.value(BinaryObjectImpl.java:143)
        at
org.apache.ignite.internal.processors.query.h2.opt.GridH2RowDescriptor.wrap(GridH2RowDescriptor.java:204)
        at
org.apache.ignite.internal.processors.query.h2.opt.GridH2KeyValueRowOnheap.getValue0(GridH2KeyValueRowOnheap.java:135)
        at
org.apache.ignite.internal.processors.query.h2.opt.GridH2KeyValueRowOnheap.getValue(GridH2KeyValueRowOnheap.java:113)
        at
org.apache.ignite.internal.processors.query.h2.opt.GridH2KeyValueRowOnheap.toString(GridH2KeyValueRowOnheap.java:201)
        at java.lang.String.valueOf(String.java:2994)
        at java.lang.StringBuilder.append(StringBuilder.java:131)
        at
org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree.doPut(BPlusTree.java:2285)
        at
org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree.putx(BPlusTree.java:2232)
        at
org.apache.ignite.internal.processors.query.h2.database.H2TreeIndex.putx(H2TreeIndex.java:299)
        at
org.apache.ignite.internal.processors.query.h2.opt.GridH2Table.addToIndex(GridH2Table.java:546)
        at
org.apache.ignite.internal.processors.query.h2.opt.GridH2Table.update(GridH2Table.java:479)
        at
org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.store(IgniteH2Indexing.java:768)
        at
org.apache.ignite.internal.processors.query.GridQueryProcessor.store(GridQueryProcessor.java:1902)
        at
org.apache.ignite.internal.processors.cache.query.GridCacheQueryManager.store(GridCacheQueryManager.java:404)
        at
org.apache.ignite.internal.processors.cache.IgniteCacheOffheapManagerImpl$CacheDataStoreImpl.finishUpdate(IgniteCacheOffheapManagerImpl.java:2633)
        at
org.apache.ignite.internal.processors.cache.IgniteCacheOffheapManagerImpl$CacheDataStoreImpl.invoke0(IgniteCacheOffheapManagerImpl.java:1646)
        at
org.apache.ignite.internal.processors.cache.IgniteCacheOffheapManagerImpl$CacheDataStoreImpl.invoke(IgniteCacheOffheapManagerImpl.java:1621)
        at
org.apache.ignite.internal.processors.cache.persistence.GridCacheOffheapManager$GridCacheDataStore.invoke(GridCacheOffheapManager.java:1935)
        at
org.apache.ignite.internal.processors.cache.IgniteCacheOffheapManagerImpl.invoke(IgniteCacheOffheapManagerImpl.java:428)
        at
org.apache.ignite.internal.processors.cache.GridCacheMapEntry.storeValue(GridCacheMapEntry.java:4248)
        at
org.apache.ignite.internal.processors.cache.GridCacheMapEntry.initialValue(GridCacheMapEntry.java:3391)
        at
org.apache.ignite.internal.processors.cache.GridCacheEntryEx.initialValue(GridCacheEntryEx.java:766)
        at
org.apache.ignite.internal.processors.datastreamer.DataStreamerImpl$IsolatedUpdater.receive(DataStreamerImpl.java:2265)
        at
org.apache.ignite.internal.processors.datastreamer.DataStreamerUpdateJob.call(DataStreamerUpdateJob.java:140)
        at
org.apache.ignite.internal.processors.datastreamer.DataStreamProcessor.localUpdate(DataStreamProcessor.java:400)
        at
org.apache.ignite.internal.processors.datastreamer.DataStreamProcessor.processRequest(DataStreamProcessor.java:305)
        at
org.apache.ignite.internal.processors.datastreamer.DataStreamProcessor.access$000(DataStreamProcessor.java:60)
        at
org.apache.ignite.internal.processors.datastreamer.DataStreamProcessor$1.onMessage(DataStreamProcessor.java:90)
        ... 7 more
*Caused by: java.lang.ClassNotFoundException: Unknown pair [platformId=0,
typeId=-1854586790]*
        at
org.apache.ignite.internal.MarshallerContextImpl.getClassName(MarshallerContextImpl.java:394)
        at
org.apache.ignite.internal.MarshallerContextImpl.getClass(MarshallerContextImpl.java:344)
        at
org.apache.ignite.internal.binary.BinaryContext.descriptorForTypeId(BinaryContext.java:698)
        ... 39 more


Any one help to solve exception.



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