IsoEM2 - quantification of RNAseq alignments ERROR
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Entering edit mode
3.8 years ago
mar77 ▴ 40

I am trying to run IsoEM2 in order to quantify reads in the alignment. I want to use a tool that uses an expectation maximisation method in order to cope with multi-mapped reads.

I have made sure the sam file has been sorted in the manner specified in the manual (https://github.com/mandricigor/isoem2).

My command:

isoem2 -G Reference/gencode.v34.annotation.gtf -a --directional -O Samples/Isoem_results Samples/Sample.sort.sam

However I keep getting this error:

ERROR in lineA00821:296:H37KYDSXY:2:1376:29252:7467 69  chr1    14620   0   *   =   14620   0   CCCCACCCCAGCTGTGTGGCCTCAGGCCAGCCTTCCGCTCCTTGAAGCTGGTCTCCGCACAGTGCTGGTTCCATCACCCCCACCCAGGGAAGCAGGTCTGAGCAGCTTGTCCTGGCTGTGTCCATGTCAGAGCAATGGCCCAAGTCTGGG  FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF:FFFF:FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF  YT:Z:UP
Exception in thread "pool-2-thread-1" java.lang.NumberFormatException: For input string: ""
    at edu.uconn.engr.dna.util.Utils.nfe(Utils.java:367)
    at edu.uconn.engr.dna.util.Utils.parseInt(Utils.java:351)
    at edu.uconn.engr.dna.util.Utils.clipSequence(Utils.java:822)
    at edu.uconn.engr.dna.isoem.processor.SamLinesToCoordParameterRunnable2.run(SamLinesToCoordParameterRunnable2.java:130)
    at edu.uconn.engr.dna.isoem.processor.SamLinesToCoordParameterRunnable2.run(SamLinesToCoordParameterRunnable2.java:23)
    at edu.uconn.engr.dna.util.BatchThreadPoolExecutor.runOne(BatchThreadPoolExecutor.java:129)
    at edu.uconn.engr.dna.util.BatchThreadPoolExecutor.runUntilQueueEmpty(BatchThreadPoolExecutor.java:124)
    at edu.uconn.engr.dna.util.BatchThreadPoolExecutor.access$100(BatchThreadPoolExecutor.java:14)
    at edu.uconn.engr.dna.util.BatchThreadPoolExecutor$ItemRunnable.run(BatchThreadPoolExecutor.java:182)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

It keeps spitting out this error with "pool-x-thread-y" increasing, and the sequence and the location changing. At the end it doesn't output any file.

Does anyone know what this error might mean or how to go about correcting it?

RNA-Seq alignment quantification isoem2 • 695 views
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