[HADOOP-4573] NNThroughputBenchmark throws NPE if fs.default.name is not set

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Component/s: benchmarks
• Assignee: Philip Martin
• Reporter: Tsz-wo Sze
• Created: 01/Nov/08 00:58
• Updated: 08/Jul/09 16:43
• Resolved: 22/May/09 00:45

Description

Don't specify fs.default.name in hadoop-site.xml, then run NNThroughputBenchmark:

$ ./bin/hadoop org.apache.hadoop.hdfs.NNThroughputBenchmark -op create -threads 10 -files 10000 -filesPerDir 10 -close
08/11/01 00:46:57 ERROR hdfs.NNThroughputBenchmark: java.lang.NullPointerException
        at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:134)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:130)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:150)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:208)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:194)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:859)
        at org.apache.hadoop.hdfs.NNThroughputBenchmark.<init>(NNThroughputBenchmark.java:107)
        at org.apache.hadoop.hdfs.NNThroughputBenchmark.runBenchmark(NNThroughputBenchmark.java:1122)
        at org.apache.hadoop.hdfs.NNThroughputBenchmark.main(NNThroughputBenchmark.java:1174)

Exception in thread "main" java.lang.NullPointerException
        at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:134)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:130)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:150)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:208)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:194)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:859)
        at org.apache.hadoop.hdfs.NNThroughputBenchmark.<init>(NNThroughputBenchmark.java:107)
        at org.apache.hadoop.hdfs.NNThroughputBenchmark.runBenchmark(NNThroughputBenchmark.java:1122)
        at org.apache.hadoop.hdfs.NNThroughputBenchmark.main(NNThroughputBenchmark.java:1174)

Issue Links

• is related to: HADOOP-5687 Hadoop NameNode throws NPE if fs.default.name is the default value