Alexandr Kuramshin created IGNITE-4865: ------------------------------------------
Summary: 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: rest Affects Versions: 2.0 Reporter: Alexandr Kuramshin Assignee: Alexandr Kuramshin 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. -- This message was sent by Atlassian JIRA (v6.3.15#6346)