diff --git a/CHANGES.rst b/CHANGES.rst
index 80ae282..c816cde 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,13 @@
 Changes
 *******
 
+0.11.1 (2020-01-03)
+===================
+
+Changes:
+
+* pin PyWPS 4.2.x (#94).
+
 0.11.0 (2019-09-27)
 ===================
 
diff --git a/Dockerfile b/Dockerfile
index 013e839..a72ca73 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # vim:set ft=dockerfile:
 FROM continuumio/miniconda3
 MAINTAINER https://github.com/bird-house/emu
-LABEL Description="Emu: Demo PyWPS" Vendor="Birdhouse" Version="0.11.0"
+LABEL Description="Emu: Demo PyWPS" Vendor="Birdhouse" Version="0.11.1"
 
 # Update Debian system
 RUN apt-get update && apt-get install -y \
diff --git a/docker-compose.yml b/docker-compose.yml
index 2866a72..7231a4b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,13 +1,31 @@
 version: '3'
 services:
   emu:
+    # http://localhost:5000/wps
     build: .
-    image: birdhouse/emu
+    image: birdhouse/emu:dev
     ports:
       - "5000:5000"
+    volumes:
+      - outputpath:/tmp
 
+  thredds:
+    # Thredds is used as DAP server for Emu outputs
+    # http://localhost:8080/thredds/catalog.html
+    image: unidata/thredds-docker:4.6.14
+    ports:
+      - "8080:8080"
+    volumes:
+      - ./threddsCatalog.xml:/usr/local/tomcat/content/thredds/catalog.xml:ro
+      - outputpath:/wps_outputs:ro
+
+volumes:
+    outputpath: {}
 
 # docker-compose build
 # docker-compose up
-# docker-compose down
+# docker-compose down -v
+#    -v, --volumes       Remove named volumes declared in the `volumes` section
+#                        of the Compose file and anonymous volumes
+#                        attached to containers.
 # docker-compose rm
diff --git a/docs/source/conf.py b/docs/source/conf.py
index ef6ab92..a4851d6 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -62,7 +62,7 @@
 # The short X.Y version.
 version = ''
 # The full version, including alpha/beta/rc tags.
-release = '0.11.0'
+release = '0.11.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/emu/__version__.py b/emu/__version__.py
index 79e5cad..3701570 100644
--- a/emu/__version__.py
+++ b/emu/__version__.py
@@ -6,4 +6,4 @@
 
 __author__ = """Carsten Ehbrecht"""
 __email__ = 'ehbrecht@dkrz.de'
-__version__ = '0.11.0'
+__version__ = '0.11.1'
diff --git a/emu/default.cfg b/emu/default.cfg
index fb8eafb..2ce8030 100644
--- a/emu/default.cfg
+++ b/emu/default.cfg
@@ -13,6 +13,7 @@ allowedinputpaths = /
 maxsingleinputsize = 200mb
 maxprocesses = 10
 parallelprocesses = 2
+language = en-US,fr-CA,de-DE
 
 [logging]
 level = INFO
diff --git a/emu/processes/__init__.py b/emu/processes/__init__.py
index 777db95..474b4d9 100644
--- a/emu/processes/__init__.py
+++ b/emu/processes/__init__.py
@@ -17,7 +17,8 @@
 from .wps_nonpyid import NonPyID
 from .wps_dry_run import SimpleDryRun
 from .wps_ncml import NcMLAgg
-from .wps_nc_to_dap import NcToDap
+from .wps_translation import Translation
+
 
 processes = [
     UltimateQuestion(),
@@ -39,5 +40,5 @@
     NonPyID(),
     SimpleDryRun(),
     NcMLAgg(),
-    NcToDap(),
+    Translation(),
 ]
diff --git a/emu/processes/wps_nc_to_dap.py b/emu/processes/wps_nc_to_dap.py
index cbc8d93..97b02d2 100644
--- a/emu/processes/wps_nc_to_dap.py
+++ b/emu/processes/wps_nc_to_dap.py
@@ -9,13 +9,16 @@
 
 LOGGER = logging.getLogger("PYWPS")
 
+# This needs some more thoughts before going live to decide how the WPS server should be configured to communicate
+# with the DAP server.
+
 
 class NcToDap(Process):
     def __init__(self):
         inputs = [
             ComplexInput('resource', "NetCDF file",
                          abstract="Link to NetCDF or NcML file on this server",
-                         supported_formats=[FORMATS.NETCDF, FORMATS.NCML],
+                         supported_formats=[FORMATS.NETCDF, ],  # FORMATS.NCML], to become available in PyWPS 4.2.5
                          min_occurs=1,
                          max_occurs=1)
         ]
diff --git a/emu/processes/wps_ncml.py b/emu/processes/wps_ncml.py
index 9d95b0b..0976653 100644
--- a/emu/processes/wps_ncml.py
+++ b/emu/processes/wps_ncml.py
@@ -1,5 +1,6 @@
 import os
-
+import xarray
+import xarray.tests.test_dataset as td
 from pywps import Process
 from pywps import ComplexOutput, FORMATS
 from pywps.app.Common import Metadata
@@ -21,7 +22,7 @@ def __init__(self):
                           supported_formats=[FORMATS.NETCDF]),
             ComplexOutput('ncml', 'NcML aggregation',
                           as_reference=True,
-                          supported_formats=[FORMATS.NCML, FORMATS.DODS]),
+                          supported_formats=[FORMATS.DODS]),  # FORMATS.NCML To become available in PyWPS 4.2.5
         ]
 
         super(NcMLAgg, self).__init__(
@@ -39,7 +40,6 @@ def __init__(self):
             status_supported=True)
 
     def _handler(self, request, response):
-        import xarray.tests.test_dataset as td
 
         # Create test datasets
         d1, d2, _ = td.create_append_test_data()
@@ -64,8 +64,6 @@ def _handler(self, request, response):
         response.outputs["d1"].file = d1fn
         response.outputs["d2"].file = d2fn
 
-        with open(os.path.join(self.workdir, 'agg.ncml'), "w") as fp:
-            response.outputs['ncml'].file = fp.name
-            fp.write(ncml)
+        response.outputs['ncml'].data = ncml
 
         return response
diff --git a/emu/processes/wps_translation.py b/emu/processes/wps_translation.py
new file mode 100644
index 0000000..38c013c
--- /dev/null
+++ b/emu/processes/wps_translation.py
@@ -0,0 +1,58 @@
+"""
+Translation process to check WPS translations
+"""
+from pywps import Process, LiteralInput, LiteralOutput
+
+import logging
+LOGGER = logging.getLogger("PYWPS")
+
+
+class Translation(Process):
+    def __init__(self):
+        inputs = [
+            LiteralInput('input1', 'Input1 number',
+                         default='100', data_type='integer',
+                         translations={
+                             "fr-CA": {"title": "Entrée #1", "abstract": "Entier #1"},
+                             "de-DE": {"title": "Eingabe #1", "abstract": "Eingabe #1"},
+                         }),
+        ]
+        outputs = [
+            LiteralOutput('output1', 'Output1 add 1 result',
+                          data_type='string',
+                          translations={
+                              "fr-CA": {"title": "Sortie #1", "abstract": "Chaîne de charactères"},
+                              "de-DE": {"title": "Ausgabe #1", "abstract": "Ergebnis"}
+                          }),
+        ]
+
+        super(Translation, self).__init__(
+            self._handler,
+            identifier='translation',
+            title="Translated process",
+            abstract="Process including translations in other languages.",
+            version="1.0",
+            inputs=inputs,
+            outputs=outputs,
+            store_supported=True,
+            status_supported=True,
+            keywords=["languages"],
+            translations={
+                "fr-CA": {"title": "Processus traduit",
+                          "abstract": "Processus incluant des traductions",
+                          "keywords": ["langues"]},
+                "de-DE": {"title": "Mehrsprachiger Prozess",
+                          "abstract": "Prozess mit mehreren Sprachen.",
+                          "keywords": ["sprachen"]}
+            }
+        )
+
+    @staticmethod
+    def _handler(request, response):
+        response.update_status('PyWPS Process started.', 0)
+
+        LOGGER.debug("input1 %s", request.inputs['input1'][0].data)
+        response.outputs['output1'].data = request.inputs['input1'][0].data + 1
+
+        response.update_status('PyWPS Process completed.', 100)
+        return response
diff --git a/emu/templates/pywps.cfg b/emu/templates/pywps.cfg
index 20951f8..561da9f 100644
--- a/emu/templates/pywps.cfg
+++ b/emu/templates/pywps.cfg
@@ -19,6 +19,8 @@ outputpath= {{ wps_outputpath }}
 {% if wps_workdir %}
 workdir={{ wps_workdir }}
 {% endif %}
+languages = en-US,fr-CA,de-DE
+
 
 [logging]
 level = {{ wps_log_level|default('INFO') }}
diff --git a/environment.yml b/environment.yml
index 115274b..5bb61e2 100644
--- a/environment.yml
+++ b/environment.yml
@@ -1,10 +1,11 @@
 name: emu
 channels:
-#- conda-forge
+- conda-forge
 - defaults
 dependencies:
 - pip
-#- pywps=4.2
+- python=3.6
+- pywps=4.2
 - jinja2
 - click
 - psutil
@@ -15,5 +16,5 @@ dependencies:
 # tests
 - pytest
 - pip:
-  - -e git+https://github.com/geopython/pywps@master#egg=pywps
+  # - -e git+https://github.com/geopython/pywps@master#egg=pywps
   - geomet
diff --git a/requirements.txt b/requirements.txt
index e807be8..32ba6cc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
-pywps>=4.2.0
+pywps>=4.2.4<4.3
 jinja2
 click
 psutil
 defusedxml
 geomet
+netCDF4
diff --git a/setup.cfg b/setup.cfg
index 9afa518..31463df 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.11.0
+current_version = 0.11.1
 commit = True
 tag = True
 
diff --git a/spec-file.txt b/spec-file.txt
index 969ee11..9dae16d 100644
--- a/spec-file.txt
+++ b/spec-file.txt
@@ -2,88 +2,83 @@
 # $ conda create --name <env> --file <this file>
 # platform: linux-64
 @EXPLICIT
-https://repo.anaconda.com/pkgs/main/linux-64/blas-1.0-mkl.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/ca-certificates-2019.1.23-0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/intel-openmp-2019.3-199.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/libgcc-ng-8.2.0-hdf63c60_1.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/libgfortran-ng-7.3.0-hdf63c60_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/libstdcxx-ng-8.2.0-hdf63c60_1.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/bzip2-1.0.6-h14c3975_5.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/jpeg-9b-h024ee3a_2.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/libffi-3.2.1-hd88cf55_4.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/mkl-2019.3-199.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/ncurses-6.1-he6710b0_1.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/openssl-1.1.1b-h7b6447c_1.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/xz-5.2.4-h14c3975_4.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/zlib-1.2.11-h7b6447c_3.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/hdf4-4.2.13-h3ca952b_2.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/hdf5-1.10.4-hb1b8bf9_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/libedit-3.1.20181209-hc058e9b_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/libssh2-1.8.0-h1ba5d50_4.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/readline-7.0-h7b6447c_5.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/tk-8.6.8-hbc83047_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/krb5-1.16.1-h173b8e3_7.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/sqlite-3.27.2-h7b6447c_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/libcurl-7.64.0-h20c2e04_2.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/libpq-11.2-h20c2e04_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/python-3.7.3-h0371630_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/alabaster-0.7.12-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/asn1crypto-0.24.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/atomicwrites-1.3.0-py37_1.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/attrs-19.1.0-py37_1.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/certifi-2019.3.9-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/chardet-3.0.4-py37_1.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/click-7.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/curl-7.64.0-hbc83047_2.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/defusedxml-0.5.0-py37_1.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/docutils-0.14-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/entrypoints-0.3-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/idna-2.8-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/imagesize-1.1.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/markupsafe-1.1.1-py37h7b6447c_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/mccabe-0.6.1-py37_1.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/more-itertools-6.0.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/numpy-base-1.16.2-py37hde5b4d6_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/pluggy-0.9.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/psutil-5.6.1-py37h7b6447c_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/psycopg2-2.7.6.1-py37h1ba5d50_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/py-1.8.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/pycodestyle-2.5.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/pycparser-2.19-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/pyflakes-2.1.1-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/noarch/pyparsing-2.4.0-py_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/pysocks-1.6.8-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/noarch/pytz-2019.1-py_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/six-1.12.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/snowballstemmer-1.2.1-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/noarch/sphinxcontrib-applehelp-1.0.1-py_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/noarch/sphinxcontrib-devhelp-1.0.1-py_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/noarch/sphinxcontrib-htmlhelp-1.0.2-py_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/noarch/sphinxcontrib-jsmath-1.0.1-py_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/noarch/sphinxcontrib-qthelp-1.0.2-py_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/noarch/sphinxcontrib-serializinghtml-1.1.1-py_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/babel-2.6.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/cffi-1.12.2-py37h2e261b9_1.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/libnetcdf-4.6.1-h11d0813_2.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/mkl_random-1.0.2-py37hd81dba3_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/packaging-19.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/python-dateutil-2.8.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/setuptools-41.0.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/cryptography-2.6.1-py37h1ba5d50_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/flake8-3.7.7-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/gunicorn-19.9.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/jinja2-2.10.1-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/pygments-2.3.1-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/pytest-4.4.0-py37_1.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/wheel-0.33.1-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/pip-19.0.3-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/pyopenssl-19.0.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/urllib3-1.24.1-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/requests-2.21.0-py37_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/noarch/sphinx-2.0.1-py_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/cftime-1.0.3.4-py37hdd07704_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/mkl_fft-1.0.10-py37ha843d7b_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/numpy-1.16.2-py37h7e9f1db_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/netcdf4-1.4.2-py37h808af73_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/pandas-0.24.2-py37he6710b0_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/xarray-0.11.3-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/_libgcc_mutex-0.1-main.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2019.11.28-hecc5488_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/ld_impl_linux-64-2.33.1-h53a641e_7.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libgfortran-ng-7.3.0-hdf63c60_2.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-9.2.0-hdf63c60_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-9.2.0-hdf63c60_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/bzip2-1.0.8-h516909a_2.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/icu-64.2-he1b5a44_1.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/jpeg-9c-h14c3975_1001.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libffi-3.2.1-he1b5a44_1006.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libiconv-1.15-h516909a_1005.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libopenblas-0.3.7-h5ec1e0e_6.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/ncurses-6.1-hf484d3e_1002.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/openssl-1.1.1d-h516909a_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/xz-5.2.4-h14c3975_1001.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/zlib-1.2.11-h516909a_1006.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/hdf4-4.2.13-hf30be14_1003.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/hdf5-1.10.5-nompi_h3c11f04_1104.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libblas-3.8.0-14_openblas.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libedit-3.1.20170329-hf8c457e_1001.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libssh2-1.8.2-h22169c7_2.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libxml2-2.9.10-hee79883_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/readline-8.0-hf8c457e_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/tk-8.6.10-hed695b0_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/krb5-1.16.4-h2fd8d38_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libcblas-3.8.0-14_openblas.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/liblapack-3.8.0-14_openblas.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libxslt-1.1.33-h31b3aaa_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/sqlite-3.30.1-hcee41ef_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libcurl-7.65.3-hda55be3_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/proj-6.2.1-hc80f0dc_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/python-3.7.6-h357f687_1.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/atomicwrites-1.3.0-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/attrs-19.3.0-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/certifi-2019.11.28-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/chardet-3.0.4-py37_1003.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/click-7.0-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/curl-7.65.3-hf8cf82a_0.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/defusedxml-0.6.0-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/idna-2.8-py37_1000.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/lxml-4.4.2-py37h7ec2d77_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/markupsafe-1.1.1-py37h516909a_0.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/more-itertools-8.0.2-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/numpy-1.17.3-py37h95a1406_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/pathlib-1.0.1-py37_1.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/psutil-5.6.7-py37h516909a_0.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/py-1.8.1-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/pycparser-2.19-py37_1.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/pyparsing-2.4.6-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/pyproj-2.4.2.post1-py37h12732c1_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/pysocks-1.7.1-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/pytz-2019.3-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/six-1.13.0-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/sqlalchemy-1.3.11-py37h516909a_0.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/wcwidth-0.1.7-py_1.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/werkzeug-0.16.0-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/cffi-1.13.2-py37h8022711_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/cftime-1.0.4.2-py37hc1659b7_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libnetcdf-4.7.3-nompi_h94020b1_100.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/packaging-19.2-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/pyrsistent-0.15.6-py37h516909a_0.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/python-dateutil-2.8.1-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/setuptools-44.0.0-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/zipp-0.6.0-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/cryptography-2.8-py37h72c5cf5_1.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/importlib_metadata-1.3.0-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/jinja2-2.10.3-py_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/netcdf4-1.5.3-nompi_py37hd35fb8e_102.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/pandas-0.25.3-py37hb3f55d8_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/wheel-0.33.6-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/jsonschema-3.2.0-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/pip-19.3.1-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/pluggy-0.13.0-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/pyopenssl-19.1.0-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/xarray-0.14.1-py_1.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/pytest-5.0.1-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/urllib3-1.25.7-py37_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/requests-2.22.0-py37_1.tar.bz2
+https://conda.anaconda.org/conda-forge/noarch/owslib-0.19.0-py_2.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/pywps-4.2.3-py37_0.tar.bz2
diff --git a/tests/test.cfg b/tests/test.cfg
index a72d88b..f092411 100644
--- a/tests/test.cfg
+++ b/tests/test.cfg
@@ -1,2 +1,3 @@
 [server]
 allowedinputpaths=/
+language = en-US,fr-CA,de-DE
diff --git a/tests/test_wps_caps.py b/tests/test_wps_caps.py
index 382d079..f2a3af3 100644
--- a/tests/test_wps_caps.py
+++ b/tests/test_wps_caps.py
@@ -7,7 +7,7 @@
 
 def test_wps_caps():
     client = client_for(Service(processes=processes))
-    resp = client.get(service='wps', request='getcapabilities', version='1.0.0')
+    resp = client.get(service='wps', request='getcapabilities', version='1.0.0', language='en-US')
     names = resp.xpath_text('/wps:Capabilities'
                             '/wps:ProcessOfferings'
                             '/wps:Process'
@@ -22,7 +22,7 @@ def test_wps_caps():
         'inout',
         'multiple_outputs',
         'nap',
-        'nc_to_dap',
+        #'nc_to_dap',
         'ncmeta',
         'ncml',
         'non.py-id',
@@ -31,6 +31,19 @@ def test_wps_caps():
         'show_error',
         'simple_dry_run',
         'sleep',
+        'translation',
         'ultimate_question',
         'wordcounter',
     ]
+
+    # caps language
+    assert resp.xpath('/wps:Capabilities/@xml:lang')[0] == "en-US"
+
+    # supported languages
+    languages = resp.xpath_text('/wps:Capabilities'
+                                '/wps:Languages'
+                                '/wps:Supported'
+                                '/ows:Language')
+    assert 'en-US' in languages
+    assert 'fr-CA' in languages
+    assert 'de-DE' in languages
diff --git a/tests/test_wps_nc_to_dap.py b/tests/test_wps_nc_to_dap.py
index bb030e7..fd12638 100644
--- a/tests/test_wps_nc_to_dap.py
+++ b/tests/test_wps_nc_to_dap.py
@@ -8,7 +8,7 @@
 from emu.processes.wps_output_formats import OutputFormats
 
 
-@pytest.mark.online
+@pytest.mark.skip
 def test_wps_nc_to_dap():
     # Create netCDF file on server
     client = client_for(Service(processes=[OutputFormats()]))
diff --git a/tests/test_wps_ncml.py b/tests/test_wps_ncml.py
index 324d819..67d2844 100644
--- a/tests/test_wps_ncml.py
+++ b/tests/test_wps_ncml.py
@@ -2,17 +2,26 @@
 
 from pywps import Service
 from pywps.tests import assert_response_success
-
-from .common import client_for
 from emu.processes.wps_ncml import NcMLAgg
+from .common import client_for, CFG_FILE
+# from owslib.wps import WPSExecution
 
 
 @pytest.mark.online
 def test_wps_ncml():
-    client = client_for(Service(processes=[NcMLAgg()]))
+
+    client = client_for(Service(processes=[NcMLAgg()], cfgfiles=CFG_FILE))
 
     resp = client.get(
         service='wps', request='execute', version='1.0.0',
         identifier='ncml')
-    print(resp.response)
+
     assert_response_success(resp)
+
+    # ex = WPSExecution()
+    # ex.parseResponse(resp.xml)
+    # d1, d2, d3 = ex.processOutputs
+    # ncml = d3.retrieveData()
+    # assert ncml.strip().startswith("<")
+
+
diff --git a/tests/test_wps_output_formats.py b/tests/test_wps_output_formats.py
index 621d5eb..fa66580 100644
--- a/tests/test_wps_output_formats.py
+++ b/tests/test_wps_output_formats.py
@@ -1,12 +1,12 @@
 from pywps import Service
 from pywps.tests import assert_response_success
 
-from .common import client_for
+from .common import client_for, CFG_FILE
 from emu.processes.wps_output_formats import OutputFormats
 
 
 def test_wps_output_formats():
-    client = client_for(Service(processes=[OutputFormats()]))
+    client = client_for(Service(processes=[OutputFormats()], cfgfiles=CFG_FILE))
     resp = client.get(
         service='WPS', request='Execute', version='1.0.0',
         identifier='output_formats',)
diff --git a/tests/test_wps_translation.py b/tests/test_wps_translation.py
new file mode 100644
index 0000000..af20436
--- /dev/null
+++ b/tests/test_wps_translation.py
@@ -0,0 +1,50 @@
+from pywps import Service
+from pywps.tests import assert_response_success
+
+from .common import client_for
+from emu.processes.wps_translation import Translation
+
+
+def test_wps_translation_describe_fr():
+    client = client_for(Service(processes=[Translation()]))
+    resp = client.get(
+        service='wps', request='DescribeProcess', version='1.0.0',
+        identifier='translation',
+        language="fr-CA")
+    print(resp.data)
+    title = resp.xpath_text(
+        '/wps:ProcessDescriptions'
+        '/ProcessDescription'
+        '/ows:Title'
+    )
+    assert title == 'Processus traduit'
+
+
+def test_wps_translation_describe_de():
+    client = client_for(Service(processes=[Translation()]))
+    resp = client.get(
+        service='wps', request='DescribeProcess', version='1.0.0',
+        identifier='translation',
+        language="de-DE")
+    print(resp.data)
+    title = resp.xpath_text(
+        '/wps:ProcessDescriptions'
+        '/ProcessDescription'
+        '/ows:Title'
+    )
+    assert title == 'Mehrsprachiger Prozess'
+
+
+def test_wps_translation_execute():
+    client = client_for(Service(processes=[Translation()]))
+    datainputs = "input1=10"
+    resp = client.get(
+        service='wps', request='execute', version='1.0.0',
+        identifier='translation',
+        datainputs=datainputs,
+        language="fr-CA")
+    print(resp.data)
+    assert_response_success(resp)
+
+    outputs = list(resp.xpath('/wps:ExecuteResponse/wps:ProcessOutputs/wps:Output')[0])
+    assert outputs[1].text == "Sortie #1"
diff --git a/threddsCatalog.xml b/threddsCatalog.xml
new file mode 100644
index 0000000..63a34b0
--- /dev/null
+++ b/threddsCatalog.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<catalog name="Emu Thredds Catalog"
+         xmlns="http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0"
+         xmlns:xlink="http://www.w3.org/1999/xlink" >
+
+    <service name="all" serviceType="Compound" base="" >
+        <!-- HTTPServer works for all file types. -->
+        <service name="http" serviceType="HTTPServer" base="/thredds/fileServer/" />
+
+        <!-- Services below known to work with .nc and .ncml files only. -->
+        <service name="odap" serviceType="OpenDAP" base="/thredds/dodsC/" />
+        <service name="ncml" serviceType="NCML" base="/thredds/ncml/"/>
+        <service name="uddc" serviceType="UDDC" base="/thredds/uddc/"/>
+        <service name="iso" serviceType="ISO" base="/thredds/iso/"/>
+    </service>
+
+    <datasetScan name="Emu" ID="emu" path="emu" location="/wps_outputs">
+
+      <metadata inherited="true">
+        <serviceName>all</serviceName>
+      </metadata>
+
+      <filter>
+        <!-- basic file types -->
+        <include wildcard="*.nc" />
+        <include wildcard="*.ncml" />
+        <include wildcard="*.txt" />
+        <include wildcard="*.md" />
+        <include wildcard="*.rst" />
+
+        <!-- file types from emu.multiple_outputs -->
+        <include wildcard="*.metalink" />
+        <include wildcard="*.meta4" />
+
+        <!-- file types from emu.output_formats -->
+        <include wildcard="*.json" />
+      </filter>
+
+    </datasetScan>
+
+</catalog>