StreamXmlRecordReader throws java.io.IOException: Resetting to invalid mark
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Key: HADOOP-1196
URL: https://issues.apache.org/jira/browse/HADOOP-1196
Project: Hadoop
Issue Type: Bug
Environment: Suse Linux 64bit, JDK 1.6, Hadoop 0.12.2, 25 node cluster.
Reporter: Seetharam Venkatesh
Priority: Blocker
I encounter this error consistently whenever I have over 500 maps in my job. I
read XML feeds with about 200,000 documents in each, parse and index the
document. I get the following exception.
java.io.IOException: Resetting to invalid mark
at java.io.BufferedInputStream.reset(BufferedInputStream.java:416)
at java.io.FilterInputStream.reset(FilterInputStream.java:200)
at
org.apache.hadoop.streaming.StreamXmlRecordReader.fastReadUntilMatch(StreamXmlRecordReader.java:291)
at
org.apache.hadoop.streaming.StreamXmlRecordReader.readUntilMatchBegin(StreamXmlRecordReader.java:120)
at
org.apache.hadoop.streaming.StreamXmlRecordReader.seekNextRecordBoundary(StreamXmlRecordReader.java:113)
at
org.apache.hadoop.streaming.StreamXmlRecordReader.init(StreamXmlRecordReader.java:75)
at
org.apache.hadoop.streaming.StreamXmlRecordReader.(StreamXmlRecordReader.java:65)
at
com.gale.searchng.workflow.fetcher.DocFetcherParser$XmlInputFormat.getRecordReader(DocFetcherParser.java:231)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:139)
at
org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1445)
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