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  • bair
    Member
    • Jan 2010
    • 65

    #1

    Picard

    Hello all,

    I merged two ELAND export files by using samtools, but samtools flagstat shows that

    191134982 in total
    0 QC failure
    0 duplicates
    139825529 mapped (73.16%)
    191134982 paired in sequencing
    95567491 read1
    95567491 read2
    0 properly paired (0.00%)
    115989136 with itself and mate mapped
    23836393 singletons (12.47%)
    0 with mate mapped to a different chr
    0 with mate mapped to a different chr (mapQ>=5)

    Why it shows 0 properly paired?

    Couldn't run picard MarkDuplicates, thread exception:

    Exception in thread "main" java.lang.NullPointerException
    at net.sf.picard.sam.DiskReadEndsMap.remove(DiskReadEndsMap.java:87)
    at net.sf.picard.sam.MarkDuplicates.buildSortedReadEndLists(MarkDuplicates.java:289)
    at net.sf.picard.sam.MarkDuplicates.doWork(MarkDuplicates.java:126)
    at net.sf.picard.cmdline.CommandLineProgram.instanceMain(CommandLineProgram.java:143)
    at net.sf.picard.sam.MarkDuplicates.main(MarkDuplicates.java:105)

    Any help? Many thanks.
  • nilshomer
    Nils Homer
    • Nov 2008
    • 1283

    #2
    Originally posted by bair View Post
    Hello all,

    I merged two ELAND export files by using samtools, but samtools flagstat shows that

    191134982 in total
    0 QC failure
    0 duplicates
    139825529 mapped (73.16%)
    191134982 paired in sequencing
    95567491 read1
    95567491 read2
    0 properly paired (0.00%)
    115989136 with itself and mate mapped
    23836393 singletons (12.47%)
    0 with mate mapped to a different chr
    0 with mate mapped to a different chr (mapQ>=5)

    Why it shows 0 properly paired?
    It looks like the converter did not set the "properly paired" bit in the FLAG field.

    Originally posted by bair View Post
    Couldn't run picard MarkDuplicates, thread exception:

    Exception in thread "main" java.lang.NullPointerException
    at net.sf.picard.sam.DiskReadEndsMap.remove(DiskReadEndsMap.java:87)
    at net.sf.picard.sam.MarkDuplicates.buildSortedReadEndLists(MarkDuplicates.java:289)
    at net.sf.picard.sam.MarkDuplicates.doWork(MarkDuplicates.java:126)
    at net.sf.picard.cmdline.CommandLineProgram.instanceMain(CommandLineProgram.java:143)
    at net.sf.picard.sam.MarkDuplicates.main(MarkDuplicates.java:105)

    Any help? Many thanks.
    Looks like a bug to me.

    Send both to [email protected]

    Comment

    • Lv Ray
      Member
      • Jun 2014
      • 42

      #3
      I got the same error. Have you solved your problem, bair or nilshomer?

      Comment

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