Unable to bulk load JSON

I even tried on windows installation , but still failing with the same error …
Any idea @ingenthr thanks

C:\Program Files\Couchbase\Server\bin>cbdocloader -u Administrator -p pass123 -n 159.7.23.101:8091 -b default -s 120 c:\post_140193.zip
[2015-07-13 10:24:10,487] - [rest_client] [26352] - INFO - http://159.7.23.101:8091//pools/default/buckets with param: proxyPort=11211&bucketType=membase&authType=sasl&name=default&replicaNumber=1&saslPassword=&ramQuotaMB=120
[2015-07-13 10:24:10,628] - [rest_client] [26352] - ERROR - http://159.7.23.101:8091//pools/default/buckets error 400 reason: Bucket with given name already exists {“errors”:{“name”:“Bucket with given name already exists”},“summaries”:{“ramSummary”:{“total”:11340349440,“otherBuckets”:9625927680,“nodesCount”:3,“perNodeMegs”:120,“thisAlloc”:377487360,“thisUsed”:0,“free”:1336934400},“hddSummary”:{“total”:78104875008,“otherData”:8798594119,“otherBuckets”:53291714,“thisUsed”:0,“free”:69252989175}}}
…Fail to create bucket ‘default’ within 120 seconds

C:\Program Files\Couchbase\Server\bin>cbdocloader -u Administrator -p pass123 -n 159.7.23.101:8091 -b default c:\post_140193.zip
[2015-07-13 10:27:23,499] - [rest_client] [23748] - INFO - http://159.7.23.101:8091//pools/default/buckets with param: proxyPort=11211&bucketType=membase&authType=sasl&name=default&replicaNumber=1&saslPassword=&ramQuotaMB=100
[2015-07-13 10:27:23,621] - [rest_client] [23748] - ERROR - http://159.7.23.101:8091//pools/default/buckets error 400 reason: Bucket with given name already exists {“errors”:{“name”:“Bucket with given name already exists”},“summaries”:{“ramSummary”:{“total”:11340349440,“otherBuckets”:9625927680,“nodesCount”:3,“perNodeMegs”:100,“thisAlloc”:314572800,“thisUsed”:0,“free”:1399848960},“hddSummary”:{“total”:78104875008,“otherData”:8798594119,“otherBuckets”:53291714,“thisUsed”:0,“free”:69252989175}}}
…Fail to create bucket ‘default’ within 120 seconds

C:\Program Files\Couchbase\Server\bin>cbdocloader -u Administrator -p pass123 -n 159.7.23.101:8091 -b test c:\post_140193.zip
[2015-07-13 10:34:34,262] - [rest_client] [22496] - INFO - http://159.7.23.101:8091//pools/default/buckets with param: proxyPort=11211&bucketType=membase&authType=sasl&name=test&replicaNumber=1&saslPassword=&ramQuotaMB=100
…Fail to create bucket ‘test’ within 120 seconds

C:\Program Files\Couchbase\Server\bin>