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From Ted Yu <yuzhih...@gmail.com>
Subject IllegalAccessError calling JsonEncoder.<init>
Date Sat, 08 Oct 2011 00:09:41 GMT
Hi,
For Avro 1.5.3, I saw the following when running TestHFileOutputFormat
against hadoop 0.22:

2011-10-07 16:40:42,549 ERROR [pool-29-thread-1] mapred.JobTracker(3364):
Job initialization failed:
java.lang.IllegalAccessError: tried to access method
org.apache.avro.io.JsonEncoder.<init>(Lorg/apache/avro/Schema;Ljava/io/OutputStream;)V
from class org.apache.hadoop.mapreduce.jobhistory.EventWriter
    at
org.apache.hadoop.mapreduce.jobhistory.EventWriter.<init>(EventWriter.java:57)
    at
org.apache.hadoop.mapreduce.jobhistory.JobHistory.setupEventWriter(JobHistory.java:291)
    at
org.apache.hadoop.mapred.JobInProgress.logSubmissionToJobHistory(JobInProgress.java:725)
    at
org.apache.hadoop.mapred.JobInProgress.initTasks(JobInProgress.java:633)
    at org.apache.hadoop.mapred.JobTracker.initJob(JobTracker.java:3329)
    at
org.apache.hadoop.mapred.EagerTaskInitializationListener$InitJob.run(EagerTaskInitializationListener.java:79)
    at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:680)

2011-10-07 16:40:43,432 INFO  [main] hbase.HBaseTestingUtility(1200):
Stopping mini mapreduce cluster...
2011-10-07 16:40:43,440 ERROR [Thread-196]
filecache.TrackerDistributedCacheManager$CleanupThread(946): Exception in
DistributedCache CleanupThread.
java.lang.InterruptedException: sleep interrupted
    at java.lang.Thread.sleep(Native Method)
    at
org.apache.hadoop.mapreduce.filecache.TrackerDistributedCacheManager$CleanupThread.run(TrackerDistributedCacheManager.java:943)
2011-10-07 16:40:43,441 INFO  [main] log.Slf4jLog(67): Stopped
SelectChannelConnector@0.0.0.0:0
2011-10-07 16:40:44,857 WARN  [taskCleanup] mapred.TaskTracker(1977):
Unknown job job_20111007164040532_0001 being deleted.
2011-10-07 16:40:44,857 ERROR [Thread-203] mapred.TaskTracker(1582): Caught
exception: java.io.IOException: Jetty problem. Jetty didn't bind to a valid
port
    at
org.apache.hadoop.mapred.TaskTracker.checkJettyPort(TaskTracker.java:1387)
    at
org.apache.hadoop.mapred.TaskTracker.offerService(TaskTracker.java:1560)
    at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:2418)
    at
org.apache.hadoop.mapred.MiniMRCluster$TaskTrackerRunner.run(MiniMRCluster.java:229)
    at java.lang.Thread.run(Thread.java:680)

Please advise which Avro version would allow Job initialization to succeed.

Thanks

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