org.apache.hadoop.hive.ql.exec.errors

Class TaskLogProcessor

java.lang.Object

org.apache.hadoop.hive.ql.exec.errors.TaskLogProcessor

public class TaskLogProcessor
extends Object

TaskLogProcessor reads the logs from failed task attempts and tries to figure out what the cause of the error was using various heuristics.

Constructor Summary

Constructors

Constructor and Description
TaskLogProcessor(org.apache.hadoop.mapred.JobConf conf)

Method Summary

Methods

Modifier and Type	Method and Description
void	addTaskAttemptLogUrl(String url) Adds a task log URL for the heuristics to read through.
List<ErrorAndSolution>	getErrors() Processes the provided task logs using the known error heuristics to get the matching errors.
List<List<String>>	getStackTraces() Processes the provided task logs to extract stack traces.

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskLogProcessor

public TaskLogProcessor(org.apache.hadoop.mapred.JobConf conf)

Method Detail

addTaskAttemptLogUrl

public void addTaskAttemptLogUrl(String url)

Adds a task log URL for the heuristics to read through.

Parameters:

url -

getErrors

public List<ErrorAndSolution> getErrors()

Processes the provided task logs using the known error heuristics to get the matching errors.

Returns:

A ErrorAndSolution from the ErrorHeuristic that most frequently generated matches. In case of ties, multiple ErrorAndSolutions will be returned.

getStackTraces

public List<List<String>> getStackTraces()

Processes the provided task logs to extract stack traces.

Returns:

A list of lists of strings where each list of strings represents a stack trace