Sheet cannot be resolved to a type in custom component

[Anonymous]

i'm trying to create a custom component to convert Excel to csv.

in order to read excel workbook im using jxl-2.6.12.jar lib. i have imported the jar while creating the component in component design. when i try to use the component in talend studio 6.4 its giving me following error.

Sheet cannot be resolved to a type

please find attachments for reference.can someone help me understand a root cause of this failure. 

[Anonymous]

Hello,

Are you using talend java jet or component kit to create your custom component?

Best regards

Sabrina

[Anonymous]

yes i'm using talend java jet to create custom component.