{"action":"created","issue":{"url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/655","repository_url":"https://api.github.com/repos/brianfrankcooper/YCSB","labels_url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/655/labels{/name}","comments_url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/655/comments","events_url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/655/events","html_url":"https://github.com/brianfrankcooper/YCSB/issues/655","id":141382477,"number":655,"title":"Fail to load data. Exception: fails to use maven on windows","user":{"login":"cindywang","id":1331443,"avatar_url":"https://avatars.githubusercontent.com/u/1331443?v=3","gravatar_id":"","url":"https://api.github.com/users/cindywang","html_url":"https://github.com/cindywang","followers_url":"https://api.github.com/users/cindywang/followers","following_url":"https://api.github.com/users/cindywang/following{/other_user}","gists_url":"https://api.github.com/users/cindywang/gists{/gist_id}","starred_url":"https://api.github.com/users/cindywang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cindywang/subscriptions","organizations_url":"https://api.github.com/users/cindywang/orgs","repos_url":"https://api.github.com/users/cindywang/repos","events_url":"https://api.github.com/users/cindywang/events{/privacy}","received_events_url":"https://api.github.com/users/cindywang/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2016-03-16T19:49:07Z","updated_at":"2016-03-16T19:56:06Z","closed_at":null,"body":"Hi there, \r\n\r\nI have an issue of load data.\r\n\r\n**OS: windows 7\r\nApache Maven 3.3.9\r\nCassandra 3.4\r\nYCSB 0.7.0\r\n**\r\n\r\nBuild successfully. Added _C:\\Program Files\\YCSB\\cassandra2\\target;C:\\Program Files\\DataStax-DDC\\apache-cassandra\\lib_ in my system environment variable.\r\nTried ./bin/ycsb then help lunched. But \"./bin/ycsb shell basic\" doesn't work\r\nError message:\r\n**$ ./ycsb shell basic**\r\n[WARN]  Running against a source checkout. In order to get our runtime dependencies we'll have to invoke Maven. Depending on the state of your system, this may take ~30-45 seconds\r\n[DEBUG]  Running 'mvn -pl com.yahoo.ycsb:core -am package -DskipTests dependency:build-classpath -DincludeScope=compile -Dmdep.outputFilterFile=true'\r\nTraceback (most recent call last):\r\n  File \"./ycsb\", line 259, in <module>\r\n    sys.exit(main())\r\n  File \"./ycsb\", line 232, in main\r\n    maven_says = get_classpath_from_maven(project)\r\n  File \"./ycsb\", line 178, in get_classpath_from_maven\r\n    + err.output)\r\nTypeError: cannot concatenate 'str' and 'NoneType' objects\r\n\r\n**$ ./ycsb load cassandra-cql -p hosts=\"192.168.xxx.xx\" -P workloads/workloada -s > workloada_load_res.txt**\r\n[WARN]  Running against a source checkout. In order to get our runtime dependencies we'll have to invoke Maven. Depending on the state of your system, this may take ~30-45 seconds\r\n[DEBUG]  Running 'mvn -pl com.yahoo.ycsb:cassandra-binding -am package -DskipTests dependency:build-classpath -DincludeScope=compile -Dmdep.outputFilterFile=true'\r\nTraceback (most recent call last):\r\n  File \"./ycsb\", line 259, in <module>\r\n    sys.exit(main())\r\n  File \"./ycsb\", line 232, in main\r\n    maven_says = get_classpath_from_maven(project)\r\n  File \"./ycsb\", line 178, in get_classpath_from_maven\r\n    + err.output)\r\nTypeError: cannot concatenate 'str' and 'NoneType' objects\r\n\r\nCould anybody help me out? Was it because of the version of Cassandra? If so, which version I should switch to? Any suggestions or comments are highly appreciated. \r\n\r\nStruggling for a long time... Many thanks!!!\r\n\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/comments/197517860","html_url":"https://github.com/brianfrankcooper/YCSB/issues/655#issuecomment-197517860","issue_url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/655","id":197517860,"user":{"login":"risdenk","id":3384157,"avatar_url":"https://avatars.githubusercontent.com/u/3384157?v=3","gravatar_id":"","url":"https://api.github.com/users/risdenk","html_url":"https://github.com/risdenk","followers_url":"https://api.github.com/users/risdenk/followers","following_url":"https://api.github.com/users/risdenk/following{/other_user}","gists_url":"https://api.github.com/users/risdenk/gists{/gist_id}","starred_url":"https://api.github.com/users/risdenk/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/risdenk/subscriptions","organizations_url":"https://api.github.com/users/risdenk/orgs","repos_url":"https://api.github.com/users/risdenk/repos","events_url":"https://api.github.com/users/risdenk/events{/privacy}","received_events_url":"https://api.github.com/users/risdenk/received_events","type":"User","site_admin":false},"created_at":"2016-03-16T19:56:06Z","updated_at":"2016-03-16T19:56:06Z","body":"@cindywang Is this the same thing that was just posted on #335? "}}