couchbase hadoop connector shows FilenotFound Exceptions when connect to multiple IPs

Couchbase Server : 3.0.0 enterprise version (build-1209)
Hadoop version: cdh4.7.0
Sqoop version: 1.4.3
Couchbase-hadoop-plugin cversion: 1.1.0-dp3

Connect Mutiple IPs

sudo sqoop import --connect http://10.3.5.95:8091/pools,http://10.3.3.238:8091/pools --table DUMP

…..
2014-09-12 15:36:40,341 WARN [main] vbucket.ConfigurationProviderHTTP (?:?) - Connection problems with URI http://10.3.5.95:8091/pools,http://10.3.3.238:8091/pools ...skipping
java.io.FileNotFoundException: http://10.3.5.95:8091/pools,http://10.3.3.238:8091/pools
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1401)
at com.couchbase.client.vbucket.ConfigurationProviderHTTP.readToString(ConfigurationProviderHTTP.java:344)
at com.couchbase.client.vbucket.ConfigurationProviderHTTP.readPools(ConfigurationProviderHTTP.java:145)
at com.couchbase.client.vbucket.ConfigurationProviderHTTP.getBucketConfiguration(ConfigurationProviderHTTP.java:127)
at com.couchbase.client.CouchbaseConnectionFactory.getVBucketConfig(CouchbaseConnectionFactory.java:188)
at com.couchbase.client.CouchbaseClient.<init>(CouchbaseClient.java:156)
at com.couchbase.client.CouchbaseClient.<init>(CouchbaseClient.java:125)
at com.couchbase.client.CouchbaseClient.<init>(CouchbaseClient.java:77)
at com.couchbase.sqoop.mapreduce.db.CouchbaseInputFormat.getSplits(CouchbaseInputFormat.java:98)
at org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:1107)
at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:1124)
at org.apache.hadoop.mapred.JobClient.access$600(JobClient.java:178)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:1023)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:976)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:416)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1438)
at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:976)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:582)
at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:612)
at org.apache.sqoop.mapreduce.ImportJobBase.doSubmitJob(ImportJobBase.java:186)
at org.apache.sqoop.mapreduce.ImportJobBase.runJob(ImportJobBase.java:159)
at org.apache.sqoop.mapreduce.ImportJobBase.runImport(ImportJobBase.java:247)
at com.couchbase.sqoop.manager.CouchbaseManager.importTable(CouchbaseManager.java:145)
at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:413)
at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:506)
at org.apache.sqoop.Sqoop.run(Sqoop.java:147)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:183)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:222)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:231)
at org.apache.sqoop.Sqoop.main(Sqoop.java:240)
2014-09-12 15:36:40,364 INFO [main] mapred.JobClient (JobClient.java:run(1075)) - Cleaning up the staging area file:/tmp/hadoop-root/mapred/staging/root1003773823/.staging/job_local1003773823_0001
2014-09-12 15:36:40,365 ERROR [main] sqoop.Sqoop (Sqoop.java:runSqoop(185)) - Got exception running Sqoop: java.lang.NullPointerException
java.lang.NullPointerException