Which template are you using? This is usually caused by too many iterations on a single machine. The parameter is usually called `numIterations` in `engine.json`.
Regards, Donald On Mon, Jun 11, 2018 at 10:22 AM KRISH MEHTA <krish14011...@gmail.com> wrote: > When I am running Pio train I am encountering the error given below. I am > new to PredictionIO so pardon me if the question is too mundane. > > [ERROR] [Executor] Exception in task 7.0 in stage 47.0 (TID 287) > [ERROR] [Executor] Exception in task 0.0 in stage 47.0 (TID 280) > [ERROR] [Executor] Exception in task 1.0 in stage 47.0 (TID 281) > [ERROR] [Executor] Exception in task 4.0 in stage 47.0 (TID 284) > [ERROR] [Executor] Exception in task 5.0 in stage 47.0 (TID 285) > [ERROR] [Executor] Exception in task 2.0 in stage 47.0 (TID 282) > [ERROR] [Executor] Exception in task 3.0 in stage 47.0 (TID 283) > [ERROR] [Executor] Exception in task 6.0 in stage 47.0 (TID 286) > [ERROR] [SparkUncaughtExceptionHandler] Uncaught exception in thread > Thread[Executor task launch worker for task 283,5,main] > [ERROR] [SparkUncaughtExceptionHandler] Uncaught exception in thread > Thread[Executor task launch worker for task 282,5,main] > [WARN] [TaskSetManager] Lost task 1.0 in stage 47.0 (TID 281, localhost, > executor driver): java.lang.StackOverflowError > at > java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2624) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1321) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) > at > scala.collection.immutable.List$SerializationProxy.readObject(List.scala:479) > at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) >
