[HBASE-9649] HFilePrettyPrinter should not throw a NPE if FirstKey or LastKey is null.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.95.2
• Fix Version/s: 0.98.0, 0.96.0, 0.94.13
• Component/s: util
• Hadoop Flags: Reviewed
• Assignee: Jean-Marc Spaggiari
• Reporter: Jean-Marc Spaggiari
• Created: 24/Sep/13 18:44
• Updated: 08/Nov/13 00:03
• Resolved: 25/Sep/13 05:44

Description

Should instead "simply" display "null"...

/usr/lib/hbase/bin/hbase org.apache.hadoop.hbase.io.hfile.HFile -m -s -v -f
/hbase/compound3/5ab5fdfcf2aff2633e1d6d5089c96aa2/d/fca0882dc7624342a8f4fce4b89420ff
13/09/24 12:33:40 INFO util.ChecksumType: Checksum using
org.apache.hadoop.util.PureJavaCrc32
Scanning ->
/hbase/compound3/5ab5fdfcf2aff2633e1d6d5089c96aa2/d/fca0882dc7624342a8f4fce4b89420ff
13/09/24 12:33:41 INFO hfile.CacheConfig: Allocating LruBlockCache with
maximum size 2.9g
13/09/24 12:33:41 ERROR metrics.SchemaMetrics: Inconsistent configuration.
Previous configuration for using table name in metrics: true, new
configuration: false
13/09/24 12:33:41 WARN snappy.LoadSnappy: Snappy native library is available
13/09/24 12:33:41 INFO util.NativeCodeLoader: Loaded the native-hadoop
library
13/09/24 12:33:41 INFO snappy.LoadSnappy: Snappy native library loaded
13/09/24 12:33:41 INFO compress.CodecPool: Got brand-new decompressor
Block index size as per heapsize: 336
Exception in thread "main" java.lang.NullPointerException
        at org.apache.hadoop.hbase.KeyValue.keyToString(KeyValue.java:716)
        at
org.apache.hadoop.hbase.io.hfile.AbstractHFileReader.toStringFirstKey(AbstractHFileReader.java:138)
        at
org.apache.hadoop.hbase.io.hfile.AbstractHFileReader.toString(AbstractHFileReader.java:149)
        at
org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter.printMeta(HFilePrettyPrinter.java:318)
        at
org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter.processFile(HFilePrettyPrinter.java:234)
        at
org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter.run(HFilePrettyPrinter.java:189)
        at org.apache.hadoop.hbase.io.hfile.HFile.main(HFile.java:756)