I have tried the following two ways to install ray: i) git clone https://github.com/ray-project/ray.git

Install Bazel.

ray/ci/travis/install-bazel.sh

cd ray/python pip install -e . --verbose # Add --user if you see a permission denied error.

and ii) pip install git+https://github.com/ray-project/ray.git#subdirectory=python

However, both of the installation methods make me encounter the same issues like the followings and the installation fails:

/usr/bin/bazel build //:ray_pkg --verbose_failures WARNING: Output base '/home/eecs/xuweinan/.cache/bazel/_bazel_xuweinan/b3db6e5 3abb46b79c0d17fc1ae49278c' is on NFS. This may lead to surprising failures and u ndetermined behavior. Problem with java installation: couldn't find/access rt.jar in /usr/lib/jvm/ja va-10-oracle

Would you please help me to figure it out?

Thanks a lot.

I suspect that is not the real error (since it just says "warning"). Can you include the full output from installation?

Also, if you want to build from source, then I recommend first cloning the repository and then installing from the local copy.

If you don't plan on modifying Ray, then I'd suggest not building from source and instead using the wheels that we publish, e.g., pip install -U ray. If you want the wheels for the latest commits, follow the instructions at https://ray.readthedocs.io/en/latest/installation.html#trying-snapshots-from-master.

Hi, Robert: Since I need to add algorithms to RLlib, perhaps I have to build from source.

The full output (starting from the point a little bit before the error occurs) is the following: Installing collected packages: numpy, six, pyarrow Successfully installed numpy-1.16.3 pyarrow-0.12.0.RAY six-1.12.0

export PYTHON_BIN_PATH=/work/xuweinan/anaconda3/bin/python
PYTHON_BIN_PATH=/work/xuweinan/anaconda3/bin/python
'[' NO == YES ']'
'[' YES == YES ']'
/usr/bin/bazel build //:ray_pkg --verbose_failures WARNING: Output base '/home/eecs/xuweinan/.cache/bazel/_bazel_xuweinan/c6c4c0c6c37ad0fdc6b363526c0a5807' is on NFS. This may lead to surprising failures and undetermined behavior. Problem with java installation: couldn't find/access rt.jar in /usr/lib/jvm/java-10-oracle Traceback (most recent call last): File "", line 1, in File "/work/xuweinan/ray/python/setup.py", line 183, in license="Apache 2.0") File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/setuptools/init.py", line 145, in setup return distutils.core.setup(attrs) File "/work/xuweinan/anaconda3/lib/python3.6/distutils/core.py", line 148, in setup dist.run_commands() File "/work/xuweinan/anaconda3/lib/python3.6/distutils/dist.py", line 955, in run_commands self.run_command(cmd) File "/work/xuweinan/anaconda3/lib/python3.6/distutils/dist.py", line 974, in run_command cmd_obj.run() File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/setuptools/command/develop.py", line 38, in run self.install_for_development() File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/setuptools/command/develop.py", line 140, in install_for_d evelopment self.run_command('build_ext') File "/work/xuweinan/anaconda3/lib/python3.6/distutils/cmd.py", line 313, in run_command self.distribution.run_command(command) File "/work/xuweinan/anaconda3/lib/python3.6/distutils/dist.py", line 974, in run_command cmd_obj.run() File "/work/xuweinan/ray/python/setup.py", line 74, in run subprocess.check_call(command) File "/work/xuweinan/anaconda3/lib/python3.6/subprocess.py", line 311, in check_call raise CalledProcessError(retcode, cmd) subprocess.CalledProcessError: Command '['../build.sh', '-p', '/work/xuweinan/anaconda3/bin/python']' returned non-zero exit status 1. Cleaning up... Removed build tracker '/tmp/pip-req-tracker-7qj5y9kt' ERROR: Command "/work/xuweinan/anaconda3/bin/python -c 'import setuptools, tokenize;file='"'"'/work/xuweinan/ray/python /setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.cl ose();exec(compile(code, file, '"'"'exec'"'"'))' develop --no-deps" failed with error code 1 in /work/xuweinan/ray/pyth on/ Exception information: Traceback (most recent call last): File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/pip/_internal/cli/base_command.py", line 178, in main status = self.run(options, args) File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/pip/_internal/commands/install.py", line 414, in run use_user_site=options.use_user_site, File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/pip/_internal/req/init.py", line 58, in install_given_reqs kwargs File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/pip/_internal/req/req_install.py", line 912, in install install_options, global_options, prefix=prefix, File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/pip/_internal/req/req_install.py", line 768, in install_editab le cwd=self.setup_py_dir, File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess % (command_desc, proc.returncode, cwd)) pip._internal.exceptions.InstallationError: Command "/work/xuweinan/anaconda3/bin/python -c 'import setuptools, tokenize; file='"'"'/work/xuweinan/ray/python/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().repla ce('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' develop --no-deps" failed with er ror code 1 in /work/xuweinan/ray/python/

In addition, what do you mean by installing from the local copy? thxs

FYI, you can install ray via pip and then install just the tune and rllib libraries in development mode. Unfortunately it results in a very fragile install that will delete your tune and rllib folders if you upgrade ray without removing the aliases first. Details are found here: https://ray.readthedocs.io/en/latest/rllib-dev.html#development-install

Hi，currently there is another bug for installation. Would you please help me to figure it out? Thxs a lot. The debug output is as follows:

+ /home/eecs/xuweinan/.bazel/bin/bazel build //:ray_pkg --verbose_failures  
WARNING: Output base '/home/eecs/xuweinan/.cache/bazel/_bazel_xuweinan/c6c4c

0c6c37ad0fdc6b363526c0a5807' is on NFS. This may lead to surprising failures and undetermined behavior.
Starting local Bazel server and connecting to it...
INFO: Invocation ID: 4ccf97d9-896c-4694-9b10-9326c6267ae9
Loading:
Loading: 0 packages loaded
Loading: 0 packages loaded
Loading: 0 packages loaded
Loading: 0 packages loaded
currently loading:
Analyzing: target //:ray_pkg (1 packages loaded, 0 targets configured)
Analyzing: target //:ray_pkg (3 packages loaded, 16 targets configured)
Analyzing: target //:ray_pkg (3 packages loaded, 16 targets configured)
Analyzing: target //:ray_pkg (3 packages loaded, 16 targets configured)
Analyzing: target //:ray_pkg (3 packages loaded, 16 targets configured)
Analyzing: target //:ray_pkg (3 packages loaded, 16 targets configured) Analyzing: target //:ray_pkg (3 packages loaded, 16 targets configured) Analyzing: target //:ray_pkg (3 packages loaded, 16 targets configured) Analyzing: target //:ray_pkg (3 packages loaded, 16 targets configured) Analyzing: target //:ray_pkg (3 packages loaded, 16 targets configured) ERROR: /work/xuweinan/ray/BUILD.bazel:611:1:no such package '@plasma//': Tr aceback (most recent call last):
File "/home/eecs/xuweinan/.cache/bazel/_bazel_xuweinan/c6c4c0c6c37ad0fdc 6b363526c0a5807/external/bazel_tools/tools/build_defs/repo/git.bzl", line 163
_clone_or_update(ctx)
File "/home/eecs/xuweinan/.cache/bazel/_bazel_xuweinan/c6c4c0c6c37ad0fdc 6b363526c0a5807/external/bazel_tools/tools/build_defs/repo/git.bzl", line 73, in _clone_or_update
fail(("error cloning %s:\n%s" % (ctx....)))
error cloning plasma:
Timed out; also encountered an error while attempting to retrieve output and referenced by '//:ray_pkg'
ERROR: Analysis of target '//:ray_pkg' failed; build aborted: no such packag e '@plasma//': Traceback (most recent call last): File "/home/eecs/xuweinan/.cache/bazel/_bazel_xuweinan/c6c4c0c6c37ad0fdc 6b363526c0a5807/external/bazel_tools/tools/build_defs/repo/git.bzl", line 163 _clone_or_update(ctx) File "/home/eecs/xuweinan/.cache/bazel/_bazel_xuweinan/c6c4c0c6c37ad0fdc 6b363526c0a5807/external/bazel_tools/tools/build_defs/repo/git.bzl", line 73, in _clone_or_update fail(("error cloning %s:\n%s" % (ctx....))) error cloning plasma: Timed out; also encountered an error while attempting to retrieve output INFO: Elapsed time: 885.971s
INFO: 0 processes.
FAILED: Build did NOT complete successfully (3 packages loaded, 16 targets c onfigured) FAILED: Build did NOT complete successfully (3 packages loaded, 16 targets c onfigured) Traceback (most recent call last): File "", line 1, in File "/work/xuweinan/ray/python/setup.py", line 183, in license="Apache 2.0") File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/setuptools/in it.py", line 145, in setup return distutils.core.setup(attrs) File "/work/xuweinan/anaconda3/lib/python3.6/distutils/core.py", line 148, in setup dist.run_commands() File "/work/xuweinan/anaconda3/lib/python3.6/distutils/dist.py", line 955, in run_commands self.run_command(cmd) File "/work/xuweinan/anaconda3/lib/python3.6/distutils/dist.py", line 974, in run_command
cmd_obj.run()
File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/setuptools/comm and/develop.py", line 38, in run
self.install_for_development()
File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/setuptools/comm and/develop.py", line 140, in install_for_development
self.run_command('build_ext')
File "/work/xuweinan/anaconda3/lib/python3.6/distutils/cmd.py", line 313, in run_command self.distribution.run_command(command) File "/work/xuweinan/anaconda3/lib/python3.6/distutils/dist.py", line 974, in run_command cmd_obj.run() File "/work/xuweinan/ray/python/setup.py", line 74, in run subprocess.check_call(command) File "/work/xuweinan/anaconda3/lib/python3.6/subprocess.py", line 311, in checkcall raise CalledProcessError(retcode, cmd) subprocess.CalledProcessError: Command '['../build.sh', '-p', '/work/xuweina n/anaconda3/bin/python']' returned non-zero exit status 1.
Cleaning up...
Removed build tracker '/tmp/pip-req-tracker-ueb1nia'
ERROR: Command "/work/xuweinan/anaconda3/bin/python -c 'import setuptools, token ize;file='"'"'/work/xuweinan/ray/python/setup.py'"'"';f=getattr(tokenize, '" '"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"' );f.close();exec(compile(code, file, '"'"'exec'"'"'))' develop --no-deps" fa iled with error code 1 in /work/xuweinan/ray/python/
Exception information:
Traceback (most recent call last):
File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/pip/_internal/cli/b ase_command.py", line 178, in main
status = self.run(options, args)
File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/pip/_internal/comm$ nds/install.py", line 414, in run
use_user_site=options.use_user_site,
File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/pip/internal/req/ _init__.py", line 58, in install_given_reqs kwargs File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/pip/_internal/req/r eq_install.py", line 768, in install_editable cwd=self.setup_py_dir, File "/work/xuweinan/anaconda3/lib/python3.6/site-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess % (command_desc, proc.returncode, cwd)) pip._internal.exceptions.InstallationError: Command "/work/xuweinan/anaconda3/bin/python -c 'import setuptools, tokenize;file='"'"'/work/xuweinan/ray/python/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' develop --no-deps" failed with error code 1 in /work/xuweinan/ray/python/

It seems like the error is related to cloning plasma... could there be any issue with the internet? Does the issue persist consistently?

Hi, Robert. Yes, this same issue happens every time when I installed on the atlas cluster, and is there any way to solve it? Thxs.

What happens if you run git clone https://github.com/apache/arrow.git on that machine? Does it work?

I'm not really sure what the issue is unfortunately.

Hi, Robert. I run the git code, but the installation still fails due to the same reason "ERROR: /work/xuweinan/ray/BUILD.bazel:611:1:no such package '@plasma//': Tr aceback (most recent call last):". I think if this issue can be solved, then the installation on atlas would succeed.

i am having similar issues installing on UBUNTU 18.04 due to opencensus issues . when i try to build ray from the sources . i am using [ bazel release 0.25.3 ] . I also did the same process as @robertnishihara , but all did have the same failure. i even cleared all the wheel cache but that didnt help

` Installing collected packages: six, numpy, pyarrow Successfully installed numpy-1.16.3 pyarrow-0.12.0.RAY six-1.12.0 WARNING: Target directory /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/ray/pyarrow_files/pyarrow-0.12.0.RAY.dist-info already exists. Specify --upgrade to force replacement. WARNING: Target directory /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/ray/pyarrow_files/six.py already exists. Specify --upgrade to force replacement. WARNING: Target directory /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/ray/pyarrow_files/pycache already exists. Specify --upgrade to force replacement. WARNING: Target directory /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/ray/pyarrow_files/numpy already exists. Specify --upgrade to force replacement. WARNING: Target directory /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/ray/pyarrow_files/six-1.12.0.dist-info already exists. Specify --upgrade to force replacement. WARNING: Target directory /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/ray/pyarrow_files/numpy-1.16.3.dist-info already exists. Specify --upgrade to force replacement. WARNING: Target directory /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/ray/pyarrow_files/pyarrow already exists. Specify --upgrade to force replacement. WARNING: Target directory /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/ray/pyarrow_files/bin already exists. Specify --upgrade to force replacement.

export PYTHON_BIN_PATH=/home/anaconda3/bin/python
PYTHON_BIN_PATH=/home/anaconda3/bin/python
'[' NO == YES ']'
'[' YES == YES ']'
/usr/local/bin/bazel build //:ray_pkg --verbose_failures Extracting Bazel installation... Starting local Bazel server and connecting to it... Loading: Loading: 0 packages loaded DEBUG: Rule 'com_github_checkstyle_java' indicated that a canonical reproducible form can be obtained by modifying arguments shallow_since = "1552542575 +0800" Loading: 0 packages loaded DEBUG: Rule 'com_github_nelhage_rules_boost' indicated that a canonical reproducible form can be obtained by modifying arguments shallow_since = "1556014830 +0800" INFO: SHA256 (https://github.com/jovany-wang/prometheus-cpp/archive/master.zip) = d0c773da8af3db99c543dd0413f4427d835170eddfd517bfeba104236a8d2c07 DEBUG: Rule 'com_github_jupp0r_prometheus_cpp' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "d0c773da8af3db99c543dd0413f4427d835170eddfd517bfeba104236a8d2c07" Loading: 0 packages loaded currently loading: INFO: SHA256 (https://github.com/google/bazel-common/archive/f1115e0f777f08c3cdb115526c4e663005bec69b.zip) = 1e05a4791cc3470d3ecf7edb556f796b1d340359f1c4d293f175d4d0946cf84c DEBUG: Rule 'bazel_common' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "1e05a4791cc3470d3ecf7edb556f796b1d340359f1c4d293f175d4d0946cf84c" INFO: SHA256 (https://github.com/bazelbuild/bazel-skylib/archive/0.6.0.tar.gz) = eb5c57e4c12e68c0c20bc774bfbc60a568e800d025557bc4ea022c6479acc867 DEBUG: Rule 'bazel_skylib' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "eb5c57e4c12e68c0c20bc774bfbc60a568e800d025557bc4ea022c6479acc867" Loading: 0 packages loaded currently loading: DEBUG: Rule 'com_github_google_flatbuffers' indicated that a canonical reproducible form can be obtained by modifying arguments shallow_since = "1547755012 -0800" Analyzing: target //:ray_pkg (1 packages loaded, 0 targets configured) Analyzing: target //:ray_pkg (3 packages loaded, 16 targets configured) Analyzing: target //:ray_pkg (3 packages loaded, 16 targets configured) DEBUG: Rule 'plasma' indicated that a canonical reproducible form can be obtained by modifying arguments shallow_since = "1553452258 +0100" Analyzing: target //:ray_pkg (12 packages loaded, 132 targets configured) Analyzing: target //:ray_pkg (14 packages loaded, 149 targets configured) DEBUG: Rule 'com_github_google_glog' indicated that a canonical reproducible form can be obtained by modifying arguments shallow_since = "1550458164 +0900" Analyzing: target //:ray_pkg (15 packages loaded, 291 targets configured) INFO: SHA256 (https://github.com/census-instrumentation/opencensus-cpp/archive/v0.3.0.zip) = e95cadb1941e1a0a698bf5c539a660ef57bc6a1ee2c0f3f76b23707a8dd6d229 DEBUG: Rule 'io_opencensus_cpp' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "e95cadb1941e1a0a698bf5c539a660ef57bc6a1ee2c0f3f76b23707a8dd6d229" DEBUG: Rule 'com_github_gflags_gflags' indicated that a canonical reproducible form can be obtained by modifying arguments commit = "e171aa2d15ed9eb17054558e0b3a6a413bb01067", shallow_since = "1541971260 +0000" and dropping ["tag"] Analyzing: target //:ray_pkg (16 packages loaded, 342 targets configured) DEBUG: Rule 'com_google_absl' indicated that a canonical reproducible form can be obtained by modifying arguments shallow_since = "1552083078 -0500" ERROR: /developer/.cache/bazel/_bazel_root/81c22130781720e979ae3a33cb6d9ae2/external/io_opencensus_cpp/opencensus/copts.bzl:24:1: file '@com_google_absl//absl:copts/configure_copts.bzl' does not contain symbol 'GCC_FLAGS' ERROR: /developer/.cache/bazel/_bazel_root/81c22130781720e979ae3a33cb6d9ae2/external/io_opencensus_cpp/opencensus/copts.bzl:37:35: Traceback (most recent call last): File "/developer/.cache/bazel/_bazel_root/81c22130781720e979ae3a33cb6d9ae2/external/io_opencensus_cpp/opencensus/copts.bzl", line 36 select({"//opencensus:llvm_compiler": (...)}) File "/developer/.cache/bazel/_bazel_root/81c22130781720e979ae3a33cb6d9ae2/external/io_opencensus_cpp/opencensus/copts.bzl", line 37, in select LLVM_FLAGS global variable 'LLVM_FLAGS' is referenced before assignment. ERROR: /developer/.cache/bazel/_bazel_root/81c22130781720e979ae3a33cb6d9ae2/external/io_opencensus_cpp/opencensus/copts.bzl:42:14: global variable 'DEFAULT_COPTS' is referenced before assignment. INFO: An error occurred during the fetch of repository 'cython' INFO: Call stack for the definition of repository 'cython':
- /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/bazel/ray_deps_setup.bzl:74:5
- /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/WORKSPACE:5:1 INFO: An error occurred during the fetch of repository 'com_google_googletest' INFO: Call stack for the definition of repository 'com_google_googletest':
- /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/bazel/ray_deps_setup.bzl:48:5
- /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/WORKSPACE:5:1 Analyzing: target //:ray_pkg (16 packages loaded, 342 targets configured) Analyzing: target //:ray_pkg (16 packages loaded, 342 targets configured) ERROR: /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/BUILD.bazel:70:1: error loading package '@io_opencensus_cpp//opencensus/stats': Extension file 'opencensus/copts.bzl' has errors and referenced by '//:raylet_lib' ERROR: Analysis of target '//:ray_pkg' failed; build aborted: error loading package '@io_opencensus_cpp//opencensus/stats': Extension file 'opencensus/copts.bzl' has errors INFO: Elapsed time: 48.588s INFO: 0 processes. FAILED: Build did NOT complete successfully (16 packages loaded, 342 targets configured) FAILED: Build did NOT complete successfully (16 packages loaded, 342 targets configured) Traceback (most recent call last): File "", line 1, in File "/developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/setup.py", line 183, in license="Apache 2.0") File "/home/anaconda3/lib/python3.7/site-packages/setuptools/init.py", line 145, in setup return distutils.core.setup(attrs) File "/home/anaconda3/lib/python3.7/distutils/core.py", line 148, in setup dist.run_commands() File "/home/anaconda3/lib/python3.7/distutils/dist.py", line 966, in run_commands self.run_command(cmd) File "/home/anaconda3/lib/python3.7/distutils/dist.py", line 985, in run_command cmd_obj.run() File "/home/anaconda3/lib/python3.7/site-packages/setuptools/command/develop.py", line 38, in run self.install_for_development() File "/home/anaconda3/lib/python3.7/site-packages/setuptools/command/develop.py", line 140, in install_for_development self.run_command('build_ext') File "/home/anaconda3/lib/python3.7/distutils/cmd.py", line 313, in run_command self.distribution.run_command(command) File "/home/anaconda3/lib/python3.7/distutils/dist.py", line 985, in run_command cmd_obj.run() File "/developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/setup.py", line 74, in run subprocess.check_call(command) File "/home/anaconda3/lib/python3.7/subprocess.py", line 347, in check_call raise CalledProcessError(retcode, cmd) subprocess.CalledProcessError: Command '['../build.sh', '-p', '/home/anaconda3/bin/python']' returned non-zero exit status 1. Rolling back uninstall of ray Moving to /home/anaconda3/bin/ray from /tmp/pip-uninstall-2ea_pzso/ray Moving to /home/anaconda3/bin/rllib from /tmp/pip-uninstall-2ea_pzso/rllib Moving to /home/anaconda3/bin/tune from /tmp/pip-uninstall-2ea_pzso/tune Moving to /home/anaconda3/lib/python3.7/site-packages/benchmarks/ from /home/anaconda3/lib/python3.7/site-packages/~enchmarks Moving to /home/anaconda3/lib/python3.7/site-packages/ray-0.7.0.dist-info/ from /home/anaconda3/lib/python3.7/site-packages/~ay-0.7.0.dist-info Moving to /home/anaconda3/lib/python3.7/site-packages/ray/ from /home/anaconda3/lib/python3.7/site-packages/~ay Replacing /home/anaconda3/bin/ray from /tmp/pip-uninstall-2ea_pzso/ray Replacing /home/anaconda3/bin/rllib from /tmp/pip-uninstall-2ea_pzso/rllib Replacing /home/anaconda3/bin/tune from /tmp/pip-uninstall-2ea_pzso/tune Replacing /home/anaconda3/lib/python3.7/site-packages/benchmarks/ from /home/anaconda3/lib/python3.7/site-packages/~enchmarks Replacing /home/anaconda3/lib/python3.7/site-packages/ray-0.7.0.dist-info/ from /home/anaconda3/lib/python3.7/site-packages/~ay-0.7.0.dist-info Replacing /home/anaconda3/lib/python3.7/site-packages/ray/ from /home/anaconda3/lib/python3.7/site-packages/~ay Cleaning up... Removed build tracker '/tmp/pip-req-tracker-26o39y_z' ERROR: Command "/home/anaconda3/bin/python -c 'import setuptools, tokenize;file='"'"'/developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' develop --no-deps" failed with error code 1 in /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/ Exception information: Traceback (most recent call last): File "/home/anaconda3/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 178, in main status = self.run(options, args) File "/home/anaconda3/lib/python3.7/site-packages/pip/_internal/commands/install.py", line 414, in run use_user_site=options.use_user_site, File "/home/anaconda3/lib/python3.7/site-packages/pip/_internal/req/init.py", line 58, in install_given_reqs kwargs File "/home/anaconda3/lib/python3.7/site-packages/pip/_internal/req/req_install.py", line 910, in install install_options, global_options, prefix=prefix, File "/home/anaconda3/lib/python3.7/site-packages/pip/_internal/req/req_install.py", line 766, in install_editable cwd=self.setup_py_dir, File "/home/anaconda3/lib/python3.7/site-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess % (command_desc, proc.returncode, cwd)) pip._internal.exceptions.InstallationError: Command "/home/anaconda3/bin/python -c 'import setuptools, tokenize;file='"'"'/developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' develop --no-deps" failed with error code 1 in /developer/Downloads/REINFORCEMENT_LEARNING_2019/ray/python/`

Hi, all, I have solved this issue by setting: TEST_TMPDIR=/tmp/bazel before cloning the repository. The installation of Ray succeeds using the clone the repository and pip install -e. verbose method. Even when

Since by default, the bazel's output base is on NFS. Although it is a warning, it still make the installation fails.

Hope it works for both the potential users as well as the Ray developers.

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ray-project / ray

Issue when installing ray on the server #4751

Install Bazel.