Details
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Type:
Bug
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Status: Resolved
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Priority:
Minor
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Resolution: Fixed
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Affects Version/s: 3.0
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Fix Version/s: 3.0
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Component/s: .structures
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Labels:None
Description
FSOrderedMap file can perform a negative seek if you search for an entry which is lexographically less than the first entry in the Map.
Attachments
Activity
Initial patch for this issue. Added a test suite for FSOrderedMapFile as well.
Resolved. TestCase have been moved to a separate source tree
Seek pos=130 intpos=130 Checking WT01-B01-100 cmp=-39 high=1 low=0 high=1 low=0 i=0 Seek pos=0 intpos=0 Checking WT01-B01-1 cmp=-39 high=-1 low=0 Seek pos=-65 intpos=-65 Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: -65 at java.io.ByteArrayInputStream.read(ByteArrayInputStream.java:127) at java.io.DataInputStream.readByte(DataInputStream.java:248) at org.apache.hadoop.io.WritableUtils.readVLong(WritableUtils.java:324) at org.apache.hadoop.io.WritableUtils.readVInt(WritableUtils.java:345) at org.apache.hadoop.io.Text.readFields(Text.java:253) at uk.ac.gla.terrier.structures.seralization.FixedSizeTextFactory$FixedSizeText.readFields(FixedSizeTextFactory.java:38) at uk.ac.gla.terrier.structures.collections.FSOrderedMapFile.getEntry(FSOrderedMapFile.java:624) at uk.ac.gla.terrier.structures.collections.FSOrderedMapFile.get(FSOrderedMapFile.java:640) at uk.ac.gla.terrier.structures.collections.FSOrderedMapFile.get(FSOrderedMapFile.java:42) at uk.ac.gla.terrier.structures.CompressingMetaIndex.getDocument(CompressingMetaIndex.java:790) at uk.ac.gla.terrier.structures.CompressingMetaIndex.main(CompressingMetaIndex.java:1082)