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https://issues.apache.org/jira/browse/IGNITE-4865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Ozerov reassigned IGNITE-4865:
---------------------------------------
Assignee: Alexandr Kuramshin (was: Vladimir Ozerov)
> Non-informative error message on using GridClientOptimizedMarshaller with
> unknown task classes
> ----------------------------------------------------------------------------------------------
>
> Key: IGNITE-4865
> URL: https://issues.apache.org/jira/browse/IGNITE-4865
> Project: Ignite
> Issue Type: Improvement
> Components: clients
> Affects Versions: 2.0
> Reporter: Alexandr Kuramshin
> Assignee: Alexandr Kuramshin
> Fix For: 2.1
>
>
> Upon {{GridClientCompute.execute()}} I get non-informative error if a task
> class is not present in {{classnames.properties}}. It occurs when
> {{GridClient}} was configured to use {{GridClientOptimizedMarshaller}}.
> {noformat}
> Closing NIO session because of unhandled exception [cls=class
> o.a.i.i.util.nio.GridNioException, msg=class o.a.i.IgniteCheckedException:
> Failed to deserialize object with given class loader: null]
> {noformat}
> There is two problems:
> * Actual problem was hidden
> {noformat}
> Caused by: java.lang.UnsupportedOperationException
> at
> org.apache.ignite.internal.client.marshaller.optimized.GridClientOptimizedMarshaller$ClientMarshallerContext.className(GridClientOptimizedMarshaller.java:137)
> at
> org.apache.ignite.internal.MarshallerContextAdapter.getClass(MarshallerContextAdapter.java:174)
> at
> org.apache.ignite.marshaller.optimized.OptimizedMarshallerUtils.classDescriptor(OptimizedMarshallerUtils.java:266)
> at
> org.apache.ignite.marshaller.optimized.OptimizedObjectInputStream.readObjectOverride(OptimizedObjectInputStream.java:318)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:367)
> {noformat}
> * Even reading the cause we don't understand what is wrong
> What to do:
> * Log stacktrace every time
> * Throw UnsupportedOperationException with informative message.
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