i am trying to test mongodb using ycsb tool.i installed java and maven and i have downloaded ycsb-master from https://github.com/brianfrankcooper/YCSB i run mvn clean package command so that mongodb binding is successful.To load the workload i executed the below command
C:\YCSB-master\bin>c:\Python27\python.exe ycsb load mongodb -s -P workloads\workloada -p recordcount=1000 -threads 6 -p mongodb.url="mongodb://localhost:27017" -p mongodb.database=test -p writeConcern=normal -p mongodb.auth="true"
but i am getting error like
[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
[DEBUG] Running 'mvn -pl com.yahoo.ycsb:mongodb-binding -am package -DskipTests dependency:build-classpath -DincludeScope=compile -Dmdep.outputFilterFile=true'
Traceback (most recent call last):
File "ycsb", line 259, in <module>
sys.exit(main())
File "ycsb", line 232, in main
maven_says = get_classpath_from_maven(project)
File "ycsb", line 178, in get_classpath_from_maven+ err.output)
TypeError: cannot concatenate 'str' and 'NoneType' objects
please help me
