run ./experiments/scripts/FP_Net_end2end.sh 1 VGG16 pascal_voc,got an error

[BigTangmm]

hi unsky,when i run ./experiments/scripts/FP_Net_end2end.sh 1 VGG16 pascal_voc,i have got the error:
++ set -e
++ export PYTHONUNBUFFERED=True
++ PYTHONUNBUFFERED=True
++ GPU_ID=0
++ NET=VGG16
++ NET_lc=vgg16
++ DATASET=pascal_voc
++ array=($@)
++ len=3
++ EXTRA_ARGS=
++ EXTRA_ARGS_SLUG=
++ case $DATASET in
++ TRAIN_IMDB=voc_2007_trainval
++ TEST_IMDB=voc_2007_test
++ PT_DIR=pascal_voc
++ ITERS=150000
+++ date +%Y-%m-%d_%H-%M-%S
++ LOG=experiments/logs/faster_rcnn_end2end_VGG16_.txt.2017-11-04_19-35-27
++ exec
+++ tee -a experiments/logs/faster_rcnn_end2end_VGG16_.txt.2017-11-04_19-35-27
tee: experiments/logs/faster_rcnn_end2end_VGG16_.txt.2017-11-04_19-35-27: No such file or directory
++ echo Logging output to experiments/logs/faster_rcnn_end2end_VGG16_.txt.2017-11-04_19-35-27
Logging output to experiments/logs/faster_rcnn_end2end_VGG16_.txt.2017-11-04_19-35-27
++ ./tools/train_net.py --gpu 0 --solver models/pascal_voc/VGG16/FP_Net_end2end/solver.prototxt
Called with args:
Namespace(cfg_file=None, gpu_id=0, imdb_name='voc_2007_trainval', max_iters=40000, pretrained_model=None, randomize=False, set_cfgs=None, solver='models/pascal_voc/VGG16/FP_Net_end2end/solver.prototxt')
Using config:
{'DATA_DIR': '/home/tanglin/FPN-master/data',
'DEDUP_BOXES': -1,
'EPS': 1e-14,
'EXP_DIR': 'default',
'GPU_ID': 0,
'MATLAB': 'matlab',
'MODELS_DIR': '/home/tanglin/FPN-master/models/pascal_voc',
'PIXEL_MEANS': array([[[ 102.9801, 115.9465, 122.7717]]]),
'RNG_SEED': 3,
'ROOT_DIR': '/home/tanglin/FPN-master',
'TEST': {'BBOX_REG': True,
'HAS_RPN': False,
'MAX_SIZE': 520,
'NMS': 0.3,
'PROPOSAL_METHOD': 'rpn',
'RPN_MIN_SIZE': 16,
'RPN_NMS_THRESH': 0.7,
'RPN_POST_NMS_TOP_N': 2000,
'RPN_PRE_NMS_TOP_N': 6000,
'SCALES': [375],
'SVM': False},
'TRAIN': {'ASPECT_GROUPING': True,
'BATCH_SIZE': 128,
'BBOX_INSIDE_WEIGHTS': [1.0, 1.0, 1.0, 1.0],
'BBOX_NORMALIZE_MEANS': [0.0, 0.0, 0.0, 0.0],
'BBOX_NORMALIZE_STDS': [0.1, 0.1, 0.2, 0.2],
'BBOX_NORMALIZE_TARGETS': True,
'BBOX_NORMALIZE_TARGETS_PRECOMPUTED': False,
'BBOX_REG': True,
'BBOX_THRESH': 0.7,
'BG_THRESH_HI': 0.5,
'BG_THRESH_LO': 0.0,
'FG_FRACTION': 0.25,
'FG_THRESH': 0.5,
'HAS_RPN': False,
'IMS_PER_BATCH': 2,
'MAX_SIZE': 520,
'PROPOSAL_METHOD': 'rpn',
'RPN_BATCHSIZE': 256,
'RPN_BBOX_INSIDE_WEIGHTS': [1.0, 1.0, 1.0, 1.0],
'RPN_CLOBBER_POSITIVES': False,
'RPN_FG_FRACTION': 0.5,
'RPN_MIN_SIZE': 0,
'RPN_NEGATIVE_OVERLAP': 0.3,
'RPN_NMS_THRESH': 0.7,
'RPN_POSITIVE_OVERLAP': 0.7,
'RPN_POSITIVE_WEIGHT': -1.0,
'RPN_POST_NMS_TOP_N': 2000,
'RPN_PRE_NMS_TOP_N': 12000,
'SCALES': [375],
'SNAPSHOT_INFIX': '',
'SNAPSHOT_ITERS': 5000,
'USE_FLIPPED': True,
'USE_PREFETCH': False},
'USE_GPU_NMS': True}
Loaded dataset voc_2007_trainval for training
Set proposal method: rpn
Appending horizontally-flipped training examples...
voc_2007_trainval gt roidb loaded from /home/tanglin/FPN-master/data/cache/voc_2007_trainval_gt_roidb.pkl
loading None
Traceback (most recent call last):
File "./tools/train_net.py", line 104, in
imdb, roidb = combined_roidb(args.imdb_name)
File "./tools/train_net.py", line 69, in combined_roidb
roidbs = [get_roidb(s) for s in imdb_names.split('+')]
File "./tools/train_net.py", line 66, in get_roidb
roidb = get_training_roidb(imdb)
File "/home/tanglin/FPN-master/tools/../lib/fast_rcnn/train.py", line 118, in get_training_roidb
imdb.append_flipped_images()
File "/home/tanglin/FPN-master/tools/../lib/datasets/imdb.py", line 106, in append_flipped_images
boxes = self.roidb[i]['boxes'].copy()
File "/home/tanglin/FPN-master/tools/../lib/datasets/imdb.py", line 67, in roidb
self._roidb = self.roidb_handler()
File "/home/tanglin/FPN-master/tools/../lib/datasets/pascal_voc.py", line 141, in rpn_roidb
rpn_roidb = self._load_rpn_roidb(gt_roidb)
File "/home/tanglin/FPN-master/tools/../lib/datasets/pascal_voc.py", line 151, in _load_rpn_roidb
assert os.path.exists(filename),
File "/usr/lib/python2.7/genericpath.py", line 18, in exists
os.stat(path)
TypeError: coercing to Unicode: need string or buffer, NoneType found

but when i run faster_rcnn_alt_opt.sh,it is ok?
how can i solve it?

[unsky]

check your filename