[CHUKWA-694] HBaseWriter can not find demux mapper class

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.6.0
• Fix Version/s: 0.6.0
• Component/s: Data Collection

Environment

Java 6, MacOSX 10.8

• Assignee: Eric Yang
• Reporter: Eric Yang
• Created: 19/Aug/13 01:41
• Updated: 24/Aug/13 22:53
• Resolved: 24/Aug/13 22:10

Description

Chukwa collector is unable to write to HBase using the new demux configuration format in CHUKWA-581. The stack trace shows:

2013-08-18 18:02:24,656 WARN btpool0-1 HBaseWriter - org.apache.hadoop.chukwa.extraction.demux.processor.mapper.UnknownRecordTypeException: Unknown parserClass:org.apache.hadoop.chukwa.extraction.demux.processor.mapper.SystemMetrics,org.apache.hadoop.chukwa.extraction.demux.processor.reducer.SystemMetrics
at org.apache.hadoop.chukwa.extraction.demux.processor.mapper.MapProcessorFactory.getProcessor(MapProcessorFactory.java:43)
at org.apache.hadoop.chukwa.datacollection.writer.hbase.HBaseWriter.getProcessor(HBaseWriter.java:241)
at org.apache.hadoop.chukwa.datacollection.writer.hbase.HBaseWriter.findHBaseTable(HBaseWriter.java:218)
at org.apache.hadoop.chukwa.datacollection.writer.hbase.HBaseWriter.add(HBaseWriter.java:188)
at org.apache.hadoop.chukwa.datacollection.writer.SocketTeeWriter.add(SocketTeeWriter.java:265)
at org.apache.hadoop.chukwa.datacollection.writer.PipelineStageWriter.add(PipelineStageWriter.java:40)
at org.apache.hadoop.chukwa.datacollection.collector.servlet.ServletCollector.accept(ServletCollector.java:197)
at org.apache.hadoop.chukwa.datacollection.collector.servlet.ServletCollector.doPost(ServletCollector.java:246)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)