Hi Yang,
> Total barcodes found in lane:1
Is there really only one barcode (TGACGCCA) in your lane? Please be sure that your Key file conforms to the format provided in Appendix 1, here:
http://www.maizegenetics.net/tassel/docs/TasselPipelineGBS.pdf
The names of the column headers and the order of the columns matters. Make sure that the line endings in the key file (Mac, Windows, Linux) correspond to the operating system that you are running the pipeline on.
Please note that in Tassel5, the LibraryPrepID column is mandatory (column H), but can be alphanumeric (i.e., it doesn’t have to be an integer). The LibraryPrepID is “a unique ID for every Sample/Barcode/Well combination (where Well = Row+Column) on the library prep plate (the plate on which the DNAs were combined with the barcode and common adapters). These LibraryPrepID’s are used to facilitate merging of the TagsByTaxa counts from replicate runs of the same library preps (on multiple flow cell lanes).”
Please note also that the name of the key file should end with “_key.txt” (e.g., FCC4LKRACXX_key.txt or MyStudyName_key.txt, where you replace “MyStudyName” with an appropriate name).
Additional columns (past column H) are optional, and can contain any extra information about the samples that is useful to you.
> java.lang.NullPointerException at net.maizegenetics.dna.tag.AbstractTagsByTaxa.getIndexOfTaxaName(AbstractTagsByTaxa.java:54)
It looks like the TagsByTaxaByte data structure has not kept up with changes that have been made in TASSEL5 (so it is currently obsolete). Try using a TagsByTaxaHD5F instead. In other words, instead of the FastqToTBTPlugin (and, possibly, the MergeTagsByTaxaFilesPlugin), use the SeqToTBTHDF5Plugin and the ModifyTBTHDF5Plugin instead.
Best,
Jeff
--
Jeff Glaubitz
Project Manager
Biology of Rare Alleles in Maize and its Wild Relatives
National Science Foundation award IOS-1238014
Institute for Genomic Diversity
Cornell University
175 Biotechnology Bldg
Ithaca, NY 14853
Phone: 607-255-1386
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