Elliott Clark created HBASE-9140: ------------------------------------ Summary: NPE in AsyncProcess Key: HBASE-9140 URL: https://issues.apache.org/jira/browse/HBASE-9140 Project: HBase Issue Type: Bug Components: Client Affects Versions: 0.95.2 Environment: 0.95.2 + Hadoop 2.0.4 Reporter: Elliott Clark
Running YCSB progress got stuck for quite a while and then a Null Pointer Exception was thrown: {noformat} 230 sec: 1266253 operations; 0 current ops/sec; 240 sec: 1266253 operations; 0 current ops/sec; 250 sec: 1266253 operations; 0 current ops/sec; 260 sec: 1266253 operations; 0 current ops/sec; 270 sec: 1266253 operations; 0 current ops/sec; 280 sec: 1266253 operations; 0 current ops/sec; 290 sec: 1266253 operations; 0 current ops/sec; 300 sec: 1266253 operations; 0 current ops/sec; 310 sec: 1266253 operations; 0 current ops/sec; 320 sec: 1266253 operations; 0 current ops/sec; 330 sec: 1266253 operations; 0 current ops/sec; 340 sec: 1266253 operations; 0 current ops/sec; 350 sec: 1266253 operations; 0 current ops/sec; 360 sec: 1266253 operations; 0 current ops/sec; 370 sec: 1266253 operations; 0 current ops/sec; 380 sec: 1266253 operations; 0 current ops/sec; 390 sec: 1266253 operations; 0 current ops/sec; Exception in thread "Thread-26" java.lang.NullPointerException at org.apache.hadoop.hbase.client.AsyncProcess.findDestLocation(AsyncProcess.java:288) at org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:233) at org.apache.hadoop.hbase.client.HTable.backgroundFlushCommits(HTable.java:811) at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:1192) at com.yahoo.ycsb.db.HBaseClient.cleanup(HBaseClient.java:106) at com.yahoo.ycsb.DBWrapper.cleanup(DBWrapper.java:73) at com.yahoo.ycsb.ClientThread.run(Client.java:307) 400 sec: 1266253 operations; 0 current ops/sec; [UPDATE AverageLatency(us)=1341720] [INSERT AverageLatency(us)=197941421.07] [CLEANUP AverageLatency(us)=1342113] Exception in thread "Thread-16" java.lang.NullPointerException at org.apache.hadoop.hbase.client.AsyncProcess.findDestLocation(AsyncProcess.java:288) at org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:233) at org.apache.hadoop.hbase.client.HTable.backgroundFlushCommits(HTable.java:811) at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:1192) at com.yahoo.ycsb.db.HBaseClient.cleanup(HBaseClient.java:106) at com.yahoo.ycsb.DBWrapper.cleanup(DBWrapper.java:73) at com.yahoo.ycsb.ClientThread.run(Client.java:307) 410 sec: 1266253 operations; 0 current ops/sec; [INSERT AverageLatency(us)=208462580.75] {noformat} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira