#14358: Permission denied error with jmol and "remote" user
------------------------+---------------------------------------------------
Reporter: ppurka | Owner: jason, mpatel, was
Type: defect | Status: new
Priority: major | Milestone: sage-5.9
Component: notebook | Keywords:
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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We have been running the sage worksheets as an unprivileged user. The
setup is as follows.
1. A user, say user1, starts the sage server remotely using
{{{
sage -n port=8888 accounts=True interface=''
server_pool=['sagenb@localhost'] openid=True automatic_login=False
port_tries=0 directory=/home/user1/a.sagenb
}}}
2. Because of the server_pool command, any worksheet is opened as an
unprivileged user called sagenb.
3. With default sage-5.2 there is no problem with this and everything
works.
4. With sage-5.2 + "#13121 without new jmol", jmol works but one needs to
close the worksheet and then reopen the worksheet and then the jmol pops
up.
5. With sage-5.2 + #13121, jmol works partially:
1. First, the static image can not be created and there is a permission
denied error. See [attachment:permission_error.jpg].
2. However, once the 3D output is toggled, jmol loads fine. The
permission denied error is still there.
3. The error obtained is of the form
{{{
script ERROR: script ERROR: io error reading
/home/user1/a.sagenb/home/__store__/0/09/098/098f/te\
st/0/cells/7/sage0-size500-499889951.jmol.zip|SCRIPT:
java.io.FileNotFoundException:
/home/user1/a.sagenb/home/__store__/0/09/098/098f/te\
st/0/cells/7/sage0-size500-499889951.jmol.zip (Permission denied)
Sleeping...Make Interactive
}}}
6. When run locally, i.e., without server_pool, the jmol loads and runs
fine. For instance, this is fine:
{{{
sage -n directory=a.sagenb
}}}
This problem has made it difficult for me to upgrade a server from 5.2 and
I think the error is introduced by some change in jmol. The error itself
stems from some java component. A diff of the changes between the
directory `$SAGE_ROOT/devel/sagenb/sagenb/data/sage3d` for sage-5.2 and
sage-5.7.rc0 has not yielded any difference. So, I believe the difference
is really in the jmol spkg introduced in #12299.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14358>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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