[stack@aa0-000-12 hadoop-0.19.1]$ ./bin/hadoop org.apache.hadoop.hbase.PerformanceEvaluation sequentialWrite 8
java.lang.NullPointerException
at org.apache.hadoop.hbase.util.Bytes.toString(Bytes.java:147)
at org.apache.hadoop.hbase.client.RetriesExhaustedException.getMessage(RetriesExhaustedException.java:50)
at org.apache.hadoop.hbase.client.RetriesExhaustedException.<init>(RetriesExhaustedException.java:40)
at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getRegionServerWithRetries(HConnectionManager.java:875)
at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:55)
at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:29)
at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.listTables(HConnectionManager.java:317)
at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.tableExists(HConnectionManager.java:270)
at org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:106)
at org.apache.hadoop.hbase.PerformanceEvaluation.checkTable(PerformanceEvaluation.java:201)
at org.apache.hadoop.hbase.PerformanceEvaluation.runNIsMoreThanOne(PerformanceEvaluation.java:217)
at org.apache.hadoop.hbase.PerformanceEvaluation.runTest(PerformanceEvaluation.java:639)
at org.apache.hadoop.hbase.PerformanceEvaluation.doCommandLine(PerformanceEvaluation.java:748)
at org.apache.hadoop.hbase.PerformanceEvaluation.main(PerformanceEvaluation.java:768)