Clear java core dumps.

.gitlab-ci.yml

@@ -2,6 +2,7 @@ before_script:
   - module add  python/3.6.1-2-anaconda
   - pip install --user pytest-pythonpath==0.7.1 pytest-cov==2.5.1
   - module load nextflow/0.31.0
+  - ulimit -Ss unlimited
   - ln -s /project/shared/bicf_workflow_ref/workflow_testdata/chipseq/*fastq.gz test_data/
 
 stages:
@@ -51,7 +52,7 @@ single_end_single_control:
   script:
   - nextflow run workflow/main.nf --designFile "$CI_PROJECT_DIR/test_data/design_single_contol_SE.txt" --genome 'GRCh38' --pairedEnd false --astrocyte false
   - pytest -m singlecontrol
-  
+
 single_end_diff:
   stage: multiple
   only: