Not sure if you need "dt.application.<app_name>" in the name element. As per http://docs.datatorrent.com/application_packages/#operator-properties your property spec should be
<property> <name>dt.operator.fsRolling.prop.maxWindowsWithNoData </name> <value>100000000</value> </property> I have been trying to find an example of setting a property for an operator inside a module (like this case) but couldn't. If the above doesn't work you can try the $ notation as follows: <property> <name>dt.operator.hiveOutput$fsRolling.prop.maxWindowsWithNoData </name> <value>100000000</value> </property> Let me know if that works or not. On Wed, May 17, 2017 at 11:10 PM, Vivek Bhide <bhide.vi...@gmail.com> wrote: > Hi Sanjay, > > I did all required changes but application is still throwing the same > error. > I increased the value to 100000000 (default 100) and even removed the > setting of upstream operator's streaming window customization > > <property> > > <name>dt.application.<app_name>.operator.fsRolling.prop. > maxWindowsWithNoData > </name> > <value>100000000</value> > </property> > > I also tried setting the property like > > <property> > > <name>dt.application.<app_name>.operator.hiveOutput$fsRolling.prop. > maxWindowsWithNoData > </name> > <value>100000000</value> > </property> > > since 'hiveOutput' is the operator name for HiveModule in my application > and > 'hiveOutput$fsRolling' is how the name appears when i do list-operators but > its of no use > > Is there any working example of HdfsOutputModule that I can refer to? > > When I have my ownHdfsSinkOperator which extends AbstractFileOutputOperator > the file rollup works perfectly fine but not with HdfsOutputModule or > FSPojoToHiveOperator > > Is there an alternative to achieve the same functionality? please let me > know > > Regards > Vivek > > > > -- > View this message in context: http://apache-apex-users-list. > 78494.x6.nabble.com/NullPointerException-at-AbstractFSRollingOutputOperato > r-while-using-HiveOutputModule-tp1625p1633.html > Sent from the Apache Apex Users list mailing list archive at Nabble.com. >