New error, don't know what to do...
this is the error i get:

laptop:~/pig-0.7.0/trunk$ javac -cp $CLASSPATH:pig.jar ImageProcessorr.java
Note: ImageProcessorr.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
laptop:~/pig-0.7.0/trunk$ bin/pig specialscript.piglog4j:WARN No appenders
could be found for logger (org.apache.hadoop.conf.Configuration).
log4j:WARN Please initialize the log4j system properly.
2010-08-11 13:48:26,320 [main] INFO  org.apache.pig.Main - Logging error
messages to: /home/hadoop/pig-0.7.0/trunk/pig_1281548906305.log
2010-08-11 13:48:26,506 [main] INFO
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine -
Connecting to hadoop file system at: hdfs://localhost:54310
2010-08-11 13:48:26,690 [main] INFO
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine -
Connecting to map-reduce job tracker at: localhost:54311
2010-08-11 13:48:26,900 [main] ERROR org.apache.pig.tools.grunt.Grunt -
ERROR 1000: Error during parsing. could not instantiate 'ImageProcessorr'
with arguments 'null'
Details at logfile: /home/hadoop/pig-0.7.0/trunk/pig_1281548906305.log
laptop:~/pig-0.7.0/trunk$

Looks like pig is trying to create an instance using the default constructor. Can you try adding a default constructor to the udf class - one with no arguments?
-Thejas

On 8/11/10 10:52 AM, "Ifeanyichukwu Osuji" <[EMAIL PROTECTED]> wrote:

New error, don't know what to do...
this is the error i get:

laptop:~/pig-0.7.0/trunk$ javac -cp $CLASSPATH:pig.jar ImageProcessorr.java
Note: ImageProcessorr.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
laptop:~/pig-0.7.0/trunk$ bin/pig specialscript.piglog4j:WARN No appenders
could be found for logger (org.apache.hadoop.conf.Configuration).
log4j:WARN Please initialize the log4j system properly.
2010-08-11 13:48:26,320 [main] INFO  org.apache.pig.Main - Logging error
messages to: /home/hadoop/pig-0.7.0/trunk/pig_1281548906305.log
2010-08-11 13:48:26,506 [main] INFO
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine -
Connecting to hadoop file system at: hdfs://localhost:54310
2010-08-11 13:48:26,690 [main] INFO
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine -
Connecting to map-reduce job tracker at: localhost:54311
2010-08-11 13:48:26,900 [main] ERROR org.apache.pig.tools.grunt.Grunt -
ERROR 1000: Error during parsing. could not instantiate 'ImageProcessorr'
with arguments 'null'
Details at logfile: /home/hadoop/pig-0.7.0/trunk/pig_1281548906305.log
laptop:~/pig-0.7.0/trunk$