This looks like the row key is empty after parsing. What does the row key look like in SystemMetrics table? The expected format is:
1234567890000-hostname Make sure there is no empty row key in SystemMetrics table. Regards, Eric On 1/4/11 5:09 PM, "Ariel Rabkin" <[email protected]> wrote: So I have pig+hbase running. Thanks so much! But now I get the following error, from the System Metrics aggregation: java.io.IOException: java.lang.IllegalArgumentException: Row key is invalid at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Reduce.runPipeline(PigMapReduce.java:438) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Reduce.processOnePackageOutput(PigMapReduce.java:401) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:381) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:251) at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:176) at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:566) at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:408) at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:216) Caused by: java.lang.IllegalArgumentException: Row key is invalid at org.apache.hadoop.hbase.client.Put.<init>(Put.java:79) at org.apache.hadoop.hbase.client.Put.<init>(Put.java:69) at org.apache.pig.backend.hadoop.hbase.HBaseStorage.putNext(HBaseStorage.java:355) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:138) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:97) at org.apache.hadoop.mapred.ReduceTask$NewTrackingRecordWriter.write(ReduceTask.java:508) at org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskInputOutputContext.java:80) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Reduce.runPipeline(PigMapReduce.java:436) ... 7 more Thoughts? -- Ari Rabkin [email protected] UC Berkeley Computer Science Department
