帮看一看kraken2运行博爱错

Question

 nohup parallel -j 4 'kraken2 --db /db/kraken2-1 --paired meta/temp/qc/{1}_1_kneaddata_paired*.fastq \
  --threads 4  --use-names --use-mpa-style --report-zero-counts \
  --report meta/temp/kraken2/{1}_report \
  --output meta/temp/kraken2/{1}_output' ::: `tail -n+2 meta/result/design.txt | cut -f 1` &>kraken2.log

报错
nohup: ignoring input
kraken2: database ("/db/kraken2-1") does not contain necessary file taxo.k2d
kraken2: database ("/db/kraken2-1") does not contain necessary file taxo.k2d
kraken2: database ("/db/kraken2-1") does not contain necessary file taxo.k2d
kraken2: database ("/db/kraken2-1") does not contain necessary file taxo.k2d
kraken2: database ("/db/kraken2-1") does not contain necessary file taxo.k2d
kraken2: database ("/db/kraken2-1") does not contain necessary file taxo.k2d

Answer 1

看看输入的参数，参数不正确。