every kind of suggestions will be appreciated
2014-07-16 13:32 GMT+02:00 Carmen Manzulli <[email protected]>: > yes...this i would obtain...but there is a unknown error (for me) in the > code: > > public final StrConfOption SOURCE_ID = new > StrConfOption("Selection.sourceId",null,"select source id"); > public final Text subject=new > Text(getConf().get("Selection.sourceId")); > > and from command line: hadoop jar.....-vip....-ca > Selection.sourceId="string" > > i would use <subject> to compare vertex ID values ( defined as Text in my > inputFormat) > > > 2014-07-16 12:15 GMT+02:00 Sundara Raghavan Sankaran < > [email protected]>: > > I'm not sure of the use case here, but I'll give an example which might >> help you. >> >> The parameter is given in the command line with -ca (as you said). For >> example >> hadoop jar sample.jar -vip .... *-ca sample.option1=value1 -ca >> sample.option2=value2* >> >> You can then get this value from the configuration in your computation >> class >> >> *String option1 = getConf().get("sample.option1"); // will get "value1"* >> >> *String option2 = getConf().get("sample.option2"); // will get "value2"* >> >> >> >> On Wed, Jul 16, 2014 at 2:49 PM, Carmen Manzulli < >> [email protected]> wrote: >> >>> Hi experts, >>> I'm trying to insert a string parameter from the command line with >>> "-ca"...so in my Computation code i've created a StrConfOption...when >>> running i get NPE because it seems to set the value of this string to >>> null... >>> >>> how can i fix this problem? >>> >> >> >
