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Pig >> mail # user >> "invalid stream header" UDF error after upgraded to pig 0.11.1


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"invalid stream header" UDF error after upgraded to pig 0.11.1
Hi,

We have our Pig UDF working fine for 0.9.2.2, but after we upgraded to pig
0.11.1 and the pig job failed due to the following error.

at
org\.apache\.pig\.impl\.util\.ObjectSerializer\.deserialize(ObjectSerializer\.java:55)

at
org\.apache\.pig\.impl\.util\.UDFContext\.deserialize(UDFContext\.java:192)
at
org\.apache\.pig\.backend\.hadoop\.executionengine\.util\.MapRedUtil\.setupUDFContext(MapRedUtil\.java:159)

at
org\.apache\.pig\.backend\.hadoop\.executionengine\.mapReduceLayer\.PigOutputFormat\.setupUdfEnvAndStores(PigOutputFormat\.java:229)

at
org\.apache\.pig\.backend\.hadoop\.executionengine\.mapReduceLayer\.PigOutputFormat\.getOutputCommitter(PigOutputFormat\.java:275)

at org\.apache\.hadoop\.mapred\.Task\.initialize(Task\.java:515)
at org\.apache\.hadoop\.mapred\.MapTask\.run(MapTask\.java:358)
at org\.apache\.hadoop\.mapred\.Child$4\.run(Child\.java:255)
at java\.security\.AccessController\.doPrivileged(Native Method)
at javax\.security\.auth\.Subject\.doAs(Subject\.java:396)
at
org\.apache\.hadoop\.security\.UserGroupInformation\.doAs(UserGroupInformation\.java:1132)

at org\.apache\.hadoop\.mapred\.Child\.main(Child\.java:249)
Caused by: java\.io\.StreamCorruptedException: invalid stream header:
2DF52715
at
java\.io\.ObjectInputStream\.readStreamHeader(ObjectInputStream\.java:782)
at java\.io\.ObjectInputStream\.<init>(ObjectInputStream\.java:279)
at
org\.apache\.pig\.impl\.util\.ObjectSerializer\.deserialize(ObjectSerializer\.java:52)

Does anyone know what was wrong and how to resolve it?

Thanks,

John
+
Jian Fang 2013-07-03, 22:15
+
Mark Wagner 2013-07-04, 00:57
+
Jian Fang 2013-07-04, 04:12
+
Jian Fang 2013-07-05, 17:34
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB