org.apache.flink.runtime.executiongraph

Class ErrorInfo

java.lang.Object

org.apache.flink.runtime.executiongraph.ErrorInfo

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ExceptionHistoryEntry

public class ErrorInfo
extends Object
implements Serializable

Simple container to hold an exception and the corresponding timestamp.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ErrorInfo(Throwable exception, long timestamp)

Method Summary

Modifier and Type	Method and Description
static ErrorInfo	createErrorInfoWithNullableCause(Throwable exception, long timestamp) Instantiates an ErrorInfo to cover inconsistent behavior due to FLINK-21376.
SerializedThrowable	getException() Returns the serialized form of the original exception.
String	getExceptionAsString() Returns the contained exception as a string.
long	getTimestamp() Returns the timestamp for the contained exception.
static Throwable	handleMissingThrowable(Throwable throwable) Utility method to cover FLINK-21376.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ErrorInfo

public ErrorInfo(@Nonnull
                 Throwable exception,
                 long timestamp)

Method Detail

createErrorInfoWithNullableCause

public static ErrorInfo createErrorInfoWithNullableCause(@Nullable
                                                         Throwable exception,
                                                         long timestamp)

Instantiates an ErrorInfo to cover inconsistent behavior due to FLINK-21376.

Parameters:

exception - The error cause that might be null.

timestamp - The timestamp the error was noticed.

Returns:

a ErrorInfo containing a generic FlinkException in case of a missing error cause.

handleMissingThrowable

public static Throwable handleMissingThrowable(@Nullable
                                               Throwable throwable)

Utility method to cover FLINK-21376.

Parameters:

throwable - The actual exception.

Returns:

a FlinkException if no exception was passed.

getException

public SerializedThrowable getException()

Returns the serialized form of the original exception.

getExceptionAsString

public String getExceptionAsString()

Returns the contained exception as a string.

Returns:

failure causing exception as a string, or "(null)"

getTimestamp

public long getTimestamp()

Returns the timestamp for the contained exception.

Returns:

timestamp of contained exception, or 0 if no exception was set