Hi all, I have some troubles with BaseX request and webdav access. My situation is the following: the acces to BaseX with webdav is with an oXygen (developer version 17) with Ubuntu 14.0.4 and the BaseX server is running under a Scientific Linux 64b (2.6.32-573.3.1.el6.x86_64 ... if the precision is necessary ;)). The BaseX server is behind a web cluster using a load balancer and an APACHE HTTP server. All the access passing thrue this server and the different ports access are managed with HAProxy. If the context is not clear enough, don't hesitate to ask more precisions.
The symptom is that the BaseX server is freezing after a webdav request. The log's extracts you can find below track the following use case: - I try an access to http://BaseX.huma-num.fr/webdav/bvm/bvm.xml with oXygen - I recieve a HTTP error 500 - I try to access to the BaseX server with my web site and more than one minute later, I have a timeout.
... but the worst symptom is that in some cases (not always), the requested db get corrupted and emptied (totally or partly) : resources are missing or they throw End of File exceptions when we then try to reopen them.
This use case can appear many times a day... but not systematically. And other colleagues have the same problems with other version of oXygen with other OS (Windows), but allways with the same BaseX server.
Does anyone of you have an idea to solve my problem?
Thanks Pierre-Yves
Some extracts of the log file:
...
17:13:06.694 X.X.X.X:34953 admin REQUEST [GET] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.845 X.X.X.X:34954 admin REQUEST [LOCK] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.888 X.X.X.X:34954 admin 200 43.82 ms 17:13:08.437 X.X.X.X:34953 admin 500 Unexpected error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk@mailman.uni-konstanz.de Version: BaseX 8.2.1 Java: Oracle Corporation, 1.8.0_31 OS: Linux, amd64 Stack Trace: java.lang.RuntimeException: org.eclipse.jetty.io.EofException at org.basex.http.webdav.BXServletResponse.close(BXServletResponse.java:80) at org.basex.http.webdav.WebDAVServlet.run(WebDAVServlet.java:46) at org.basex.http.BaseXServlet.service(BaseXServlet.java:64) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextH... 1743.02 ms
...
17:15:20.041 X.X.X.X:38436 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:15:40.067 X.X.X.X:38770 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:16:00.078 X.X.X.X:39090 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/ 17:16:00.170 X.X.X.X:39091 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:16:20.194 X.X.X.X:39582 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:17:00.904 X.X.X.X:39091 admin 200 60733.77 ms 17:17:00.907 X.X.X.X:39582 admin 200 40712.41 ms 17:17:00.909 X.X.X.X:38770 admin 200 80842.45 ms 17:17:00.910 X.X.X.X:38436 admin 200 100868.15 ms 17:17:01.004 X.X.X.X:39090 admin 200 60926.05 ms 17:19:37.189 Y.Y.Y.Y:39926 admin ERROR Timeout exceeded. 60000.62 ms
...
Hi all, I'm sorry to insist... Does anyone have an idea of the origin of my problem?... Or is my Shakespeare's style worse that I thought? Do you need more details? Thanks in advance for your suggestions.
Greatings Pierre-Yves
Le 27/08/2015 14:25, Pierre-Yves JALLUD a écrit :
Hi all, I have some troubles with BaseX request and webdav access. My situation is the following: the acces to BaseX with webdav is with an oXygen (developer version 17) with Ubuntu 14.0.4 and the BaseX server is running under a Scientific Linux 64b (2.6.32-573.3.1.el6.x86_64 ... if the precision is necessary ;)). The BaseX server is behind a web cluster using a load balancer and an APACHE HTTP server. All the access passing thrue this server and the different ports access are managed with HAProxy. If the context is not clear enough, don't hesitate to ask more precisions.
The symptom is that the BaseX server is freezing after a webdav request. The log's extracts you can find below track the following use case:
- I try an access to http://BaseX.huma-num.fr/webdav/bvm/bvm.xml
with oXygen
- I recieve a HTTP error 500
- I try to access to the BaseX server with my web site and more than
one minute later, I have a timeout.
... but the worst symptom is that in some cases (not always), the requested db get corrupted and emptied (totally or partly) : resources are missing or they throw End of File exceptions when we then try to reopen them.
This use case can appear many times a day... but not systematically. And other colleagues have the same problems with other version of oXygen with other OS (Windows), but allways with the same BaseX server.
Does anyone of you have an idea to solve my problem?
Thanks Pierre-Yves
Some extracts of the log file:
...
17:13:06.694 X.X.X.X:34953 admin REQUEST [GET] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.845 X.X.X.X:34954 admin REQUEST [LOCK] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.888 X.X.X.X:34954 admin 200 43.82 ms 17:13:08.437 X.X.X.X:34953 admin 500 Unexpected error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk@mailman.uni-konstanz.de Version: BaseX 8.2.1 Java: Oracle Corporation, 1.8.0_31 OS: Linux, amd64 Stack Trace: java.lang.RuntimeException: org.eclipse.jetty.io.EofException at org.basex.http.webdav.BXServletResponse.close(BXServletResponse.java:80) at org.basex.http.webdav.WebDAVServlet.run(WebDAVServlet.java:46) at org.basex.http.BaseXServlet.service(BaseXServlet.java:64) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextH... 1743.02 ms
...
17:15:20.041 X.X.X.X:38436 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:15:40.067 X.X.X.X:38770 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:16:00.078 X.X.X.X:39090 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/ 17:16:00.170 X.X.X.X:39091 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:16:20.194 X.X.X.X:39582 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:17:00.904 X.X.X.X:39091 admin 200 60733.77 ms 17:17:00.907 X.X.X.X:39582 admin 200 40712.41 ms 17:17:00.909 X.X.X.X:38770 admin 200 80842.45 ms 17:17:00.910 X.X.X.X:38436 admin 200 100868.15 ms 17:17:01.004 X.X.X.X:39090 admin 200 60926.05 ms 17:19:37.189 Y.Y.Y.Y:39926 admin ERROR Timeout exceeded. 60000.62 ms
...
Bonjour Pierre-Yves,
I guess you will have to wait a few more days, as Christian our main architect is on vacation and honestly the only one who has any knowledge about WebDAV. Not to mention, he is also the only way even mildly interested in implementing this and calm enough to do so as WebDAV is terribly diffferent for different clients and we had troubles with this before.
So of course you could try to access it without an reverse proxy and so on, but I guess it is some WebDAV issue.
Of course, the communit is also more than invident to tackle the issue and send us a pull request.
Cordialement, Dirk
On 09/03/2015 02:40 PM, Pierre-Yves JALLUD wrote:
Hi all, I'm sorry to insist... Does anyone have an idea of the origin of my problem?... Or is my Shakespeare's style worse that I thought? Do you need more details? Thanks in advance for your suggestions.
Greatings Pierre-Yves
Le 27/08/2015 14:25, Pierre-Yves JALLUD a écrit :
Hi all, I have some troubles with BaseX request and webdav access. My situation is the following: the acces to BaseX with webdav is with an oXygen (developer version 17) with Ubuntu 14.0.4 and the BaseX server is running under a Scientific Linux 64b (2.6.32-573.3.1.el6.x86_64 ... if the precision is necessary ;)). The BaseX server is behind a web cluster using a load balancer and an APACHE HTTP server. All the access passing thrue this server and the different ports access are managed with HAProxy. If the context is not clear enough, don't hesitate to ask more precisions.
The symptom is that the BaseX server is freezing after a webdav request. The log's extracts you can find below track the following use case:
- I try an access to http://BaseX.huma-num.fr/webdav/bvm/bvm.xml
with oXygen
- I recieve a HTTP error 500
- I try to access to the BaseX server with my web site and more
than one minute later, I have a timeout.
... but the worst symptom is that in some cases (not always), the requested db get corrupted and emptied (totally or partly) : resources are missing or they throw End of File exceptions when we then try to reopen them.
This use case can appear many times a day... but not systematically. And other colleagues have the same problems with other version of oXygen with other OS (Windows), but allways with the same BaseX server.
Does anyone of you have an idea to solve my problem?
Thanks Pierre-Yves
Some extracts of the log file:
...
17:13:06.694 X.X.X.X:34953 admin REQUEST [GET] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.845 X.X.X.X:34954 admin REQUEST [LOCK] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.888 X.X.X.X:34954 admin 200 43.82 ms 17:13:08.437 X.X.X.X:34953 admin 500 Unexpected error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk@mailman.uni-konstanz.de Version: BaseX 8.2.1 Java: Oracle Corporation, 1.8.0_31 OS: Linux, amd64 Stack Trace: java.lang.RuntimeException: org.eclipse.jetty.io.EofException at org.basex.http.webdav.BXServletResponse.close(BXServletResponse.java:80) at org.basex.http.webdav.WebDAVServlet.run(WebDAVServlet.java:46) at org.basex.http.BaseXServlet.service(BaseXServlet.java:64) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextH... 1743.02 ms
...
17:15:20.041 X.X.X.X:38436 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:15:40.067 X.X.X.X:38770 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:16:00.078 X.X.X.X:39090 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/ 17:16:00.170 X.X.X.X:39091 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:16:20.194 X.X.X.X:39582 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:17:00.904 X.X.X.X:39091 admin 200 60733.77 ms 17:17:00.907 X.X.X.X:39582 admin 200 40712.41 ms 17:17:00.909 X.X.X.X:38770 admin 200 80842.45 ms 17:17:00.910 X.X.X.X:38436 admin 200 100868.15 ms 17:17:01.004 X.X.X.X:39090 admin 200 60926.05 ms 17:19:37.189 Y.Y.Y.Y:39926 admin ERROR Timeout exceeded. 60000.62 ms
...
Hallo Dirk, thanks a lot about your reply. I have heard that Christian was on vacation... but I forgot it! Sorry! I will of course wait for his return. My problem is not so an high emergency ;-) (sorry Maud). Thank you anyway to confirm that our use for BaseX is not too exotic and maybe it's a WebDav issue.
Tschüss Pierre-Yves
Le 03/09/2015 14:49, Dirk Kirsten a écrit :
Bonjour Pierre-Yves,
I guess you will have to wait a few more days, as Christian our main architect is on vacation and honestly the only one who has any knowledge about WebDAV. Not to mention, he is also the only way even mildly interested in implementing this and calm enough to do so as WebDAV is terribly diffferent for different clients and we had troubles with this before.
So of course you could try to access it without an reverse proxy and so on, but I guess it is some WebDAV issue.
Of course, the communit is also more than invident to tackle the issue and send us a pull request.
Cordialement, Dirk
On 09/03/2015 02:40 PM, Pierre-Yves JALLUD wrote:
Hi all, I'm sorry to insist... Does anyone have an idea of the origin of my problem?... Or is my Shakespeare's style worse that I thought? Do you need more details? Thanks in advance for your suggestions.
Greatings Pierre-Yves
Le 27/08/2015 14:25, Pierre-Yves JALLUD a écrit :
Hi all, I have some troubles with BaseX request and webdav access. My situation is the following: the acces to BaseX with webdav is with an oXygen (developer version 17) with Ubuntu 14.0.4 and the BaseX server is running under a Scientific Linux 64b (2.6.32-573.3.1.el6.x86_64 ... if the precision is necessary ;)). The BaseX server is behind a web cluster using a load balancer and an APACHE HTTP server. All the access passing thrue this server and the different ports access are managed with HAProxy. If the context is not clear enough, don't hesitate to ask more precisions.
The symptom is that the BaseX server is freezing after a webdav request. The log's extracts you can find below track the following use case:
- I try an access to http://BaseX.huma-num.fr/webdav/bvm/bvm.xml
with oXygen
- I recieve a HTTP error 500
- I try to access to the BaseX server with my web site and more
than one minute later, I have a timeout.
... but the worst symptom is that in some cases (not always), the requested db get corrupted and emptied (totally or partly) : resources are missing or they throw End of File exceptions when we then try to reopen them.
This use case can appear many times a day... but not systematically. And other colleagues have the same problems with other version of oXygen with other OS (Windows), but allways with the same BaseX server.
Does anyone of you have an idea to solve my problem?
Thanks Pierre-Yves
Some extracts of the log file:
...
17:13:06.694 X.X.X.X:34953 admin REQUEST [GET] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.845 X.X.X.X:34954 admin REQUEST [LOCK] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.888 X.X.X.X:34954 admin 200 43.82 ms 17:13:08.437 X.X.X.X:34953 admin 500 Unexpected error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk@mailman.uni-konstanz.de Version: BaseX 8.2.1 Java: Oracle Corporation, 1.8.0_31 OS: Linux, amd64 Stack Trace: java.lang.RuntimeException: org.eclipse.jetty.io.EofException at org.basex.http.webdav.BXServletResponse.close(BXServletResponse.java:80) at org.basex.http.webdav.WebDAVServlet.run(WebDAVServlet.java:46) at org.basex.http.BaseXServlet.service(BaseXServlet.java:64) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextH... 1743.02 ms
...
17:15:20.041 X.X.X.X:38436 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:15:40.067 X.X.X.X:38770 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:16:00.078 X.X.X.X:39090 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/ 17:16:00.170 X.X.X.X:39091 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:16:20.194 X.X.X.X:39582 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:17:00.904 X.X.X.X:39091 admin 200 60733.77 ms 17:17:00.907 X.X.X.X:39582 admin 200 40712.41 ms 17:17:00.909 X.X.X.X:38770 admin 200 80842.45 ms 17:17:00.910 X.X.X.X:38436 admin 200 100868.15 ms 17:17:01.004 X.X.X.X:39090 admin 200 60926.05 ms 17:19:37.189 Y.Y.Y.Y:39926 admin ERROR Timeout exceeded. 60000.62 ms
...
-- Dirk Kirsten, BaseX GmbH,http://basexgmbh.de |-- Firmensitz: Blarerstrasse 56, 78462 Konstanz |-- Registergericht Freiburg, HRB: 708285, Geschäftsführer: | Dr. Christian Grün, Dr. Alexander Holupirek, Michael Seiferle `-- Phone: 0049 7531 28 28 676, Fax: 0049 7531 20 05 22
Hi Pierre-Yves,
Finally some feedback… And only a short one: Did you check out if the problems persist with the latest BaseX 8.3 snapshot [1]?
And maybe another question: Did you experience similar problems in a simple setting without load balancer, Apache and HAProxy?
Thanks, Christian
[1] http://files.basex.org/releases/latest/
On Thu, Aug 27, 2015 at 2:25 PM, Pierre-Yves JALLUD pierre-yves.jallud@huma-num.fr wrote:
Hi all, I have some troubles with BaseX request and webdav access. My situation is the following: the acces to BaseX with webdav is with an oXygen (developer version 17) with Ubuntu 14.0.4 and the BaseX server is running under a Scientific Linux 64b (2.6.32-573.3.1.el6.x86_64 ... if the precision is necessary ;)). The BaseX server is behind a web cluster using a load balancer and an APACHE HTTP server. All the access passing thrue this server and the different ports access are managed with HAProxy. If the context is not clear enough, don't hesitate to ask more precisions.
The symptom is that the BaseX server is freezing after a webdav request. The log's extracts you can find below track the following use case:
- I try an access to http://BaseX.huma-num.fr/webdav/bvm/bvm.xml with
oXygen
- I recieve a HTTP error 500
- I try to access to the BaseX server with my web site and more than one
minute later, I have a timeout.
... but the worst symptom is that in some cases (not always), the requested db get corrupted and emptied (totally or partly) : resources are missing or they throw End of File exceptions when we then try to reopen them.
This use case can appear many times a day... but not systematically. And other colleagues have the same problems with other version of oXygen with other OS (Windows), but allways with the same BaseX server.
Does anyone of you have an idea to solve my problem?
Thanks Pierre-Yves
Some extracts of the log file:
...
17:13:06.694 X.X.X.X:34953 admin REQUEST [GET] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.845 X.X.X.X:34954 admin REQUEST [LOCK] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.888 X.X.X.X:34954 admin 200 43.82 ms 17:13:08.437 X.X.X.X:34953 admin 500 Unexpected error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk@mailman.uni-konstanz.de Version: BaseX 8.2.1 Java: Oracle Corporation, 1.8.0_31 OS: Linux, amd64 Stack Trace: java.lang.RuntimeException: org.eclipse.jetty.io.EofException at org.basex.http.webdav.BXServletResponse.close(BXServletResponse.java:80) at org.basex.http.webdav.WebDAVServlet.run(WebDAVServlet.java:46) at org.basex.http.BaseXServlet.service(BaseXServlet.java:64) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextH... 1743.02 ms
...
17:15:20.041 X.X.X.X:38436 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:15:40.067 X.X.X.X:38770 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:16:00.078 X.X.X.X:39090 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/ 17:16:00.170 X.X.X.X:39091 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:16:20.194 X.X.X.X:39582 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:17:00.904 X.X.X.X:39091 admin 200 60733.77 ms 17:17:00.907 X.X.X.X:39582 admin 200 40712.41 ms 17:17:00.909 X.X.X.X:38770 admin 200 80842.45 ms 17:17:00.910 X.X.X.X:38436 admin 200 100868.15 ms 17:17:01.004 X.X.X.X:39090 admin 200 60926.05 ms 17:19:37.189 Y.Y.Y.Y:39926 admin ERROR Timeout exceeded. 60000.62 ms
...
Hi Christian, I hope your vacancies where beautiful and the return will not be too hard ;-) To answer to your questions, we use actually the 8.2.3 version... I will install the last snapshot version to see if the behavior is the same. For the second question, we have actually a version of BaseX (... I will precise later the version...) that have not the problem and that is not in our IT infrastructure, using a VM, in another research center but not open to the web. I will try to learn more about the whole configuration.
I tell you all this ASAP. Greatings Pierre-Yves
Le 14/09/2015 15:51, Christian Grün a écrit :
Hi Pierre-Yves,
Finally some feedback… And only a short one: Did you check out if the problems persist with the latest BaseX 8.3 snapshot [1]?
And maybe another question: Did you experience similar problems in a simple setting without load balancer, Apache and HAProxy?
Thanks, Christian
[1] http://files.basex.org/releases/latest/
On Thu, Aug 27, 2015 at 2:25 PM, Pierre-Yves JALLUD pierre-yves.jallud@huma-num.fr wrote:
Hi all, I have some troubles with BaseX request and webdav access. My situation is the following: the acces to BaseX with webdav is with an oXygen (developer version 17) with Ubuntu 14.0.4 and the BaseX server is running under a Scientific Linux 64b (2.6.32-573.3.1.el6.x86_64 ... if the precision is necessary ;)). The BaseX server is behind a web cluster using a load balancer and an APACHE HTTP server. All the access passing thrue this server and the different ports access are managed with HAProxy. If the context is not clear enough, don't hesitate to ask more precisions.
The symptom is that the BaseX server is freezing after a webdav request. The log's extracts you can find below track the following use case:
- I try an access to http://BaseX.huma-num.fr/webdav/bvm/bvm.xml with
oXygen
- I recieve a HTTP error 500
- I try to access to the BaseX server with my web site and more than one
minute later, I have a timeout.
... but the worst symptom is that in some cases (not always), the requested db get corrupted and emptied (totally or partly) : resources are missing or they throw End of File exceptions when we then try to reopen them.
This use case can appear many times a day... but not systematically. And other colleagues have the same problems with other version of oXygen with other OS (Windows), but allways with the same BaseX server.
Does anyone of you have an idea to solve my problem?
Thanks Pierre-Yves
Some extracts of the log file:
...
17:13:06.694 X.X.X.X:34953 admin REQUEST [GET] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.845 X.X.X.X:34954 admin REQUEST [LOCK] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.888 X.X.X.X:34954 admin 200 43.82 ms 17:13:08.437 X.X.X.X:34953 admin 500 Unexpected error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk@mailman.uni-konstanz.de Version: BaseX 8.2.1 Java: Oracle Corporation, 1.8.0_31 OS: Linux, amd64 Stack Trace: java.lang.RuntimeException: org.eclipse.jetty.io.EofException at org.basex.http.webdav.BXServletResponse.close(BXServletResponse.java:80) at org.basex.http.webdav.WebDAVServlet.run(WebDAVServlet.java:46) at org.basex.http.BaseXServlet.service(BaseXServlet.java:64) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextH... 1743.02 ms
...
17:15:20.041 X.X.X.X:38436 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:15:40.067 X.X.X.X:38770 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:16:00.078 X.X.X.X:39090 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/ 17:16:00.170 X.X.X.X:39091 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:16:20.194 X.X.X.X:39582 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:17:00.904 X.X.X.X:39091 admin 200 60733.77 ms 17:17:00.907 X.X.X.X:39582 admin 200 40712.41 ms 17:17:00.909 X.X.X.X:38770 admin 200 80842.45 ms 17:17:00.910 X.X.X.X:38436 admin 200 100868.15 ms 17:17:01.004 X.X.X.X:39090 admin 200 60926.05 ms 17:19:37.189 Y.Y.Y.Y:39926 admin ERROR Timeout exceeded. 60000.62 ms
...
I hope your vacancies where beautiful and the return will not be too hard
Thanks; both my vacation and my return was pretty pleasant, so I cannot complain so far ;)
To answer to your questions, we use actually the 8.2.3 version... I will install the last snapshot version to see if the behavior is the same.
I have refactored our WebDAV implementation a bit. Although I have no real clue if my changes will have a positive effect in your environment, I invite you to check out our latest snapshot [1] and give us some more feedback.
Thanks in advance, Christian
[1] http://files.basex.org/releases/latest/
For the second question, we have actually a version of BaseX (... I will precise later the version...) that have not the problem and that is not in our IT infrastructure, using a VM, in another research center but not open to the web. I will try to learn more about the whole configuration.
I tell you all this ASAP. Greatings Pierre-Yves
Le 14/09/2015 15:51, Christian Grün a écrit :
Hi Pierre-Yves,
Finally some feedback… And only a short one: Did you check out if the problems persist with the latest BaseX 8.3 snapshot [1]?
And maybe another question: Did you experience similar problems in a simple setting without load balancer, Apache and HAProxy?
Thanks, Christian
[1] http://files.basex.org/releases/latest/
On Thu, Aug 27, 2015 at 2:25 PM, Pierre-Yves JALLUD pierre-yves.jallud@huma-num.fr wrote:
Hi all, I have some troubles with BaseX request and webdav access. My situation is the following: the acces to BaseX with webdav is with an oXygen (developer version 17) with Ubuntu 14.0.4 and the BaseX server is running under a Scientific Linux 64b (2.6.32-573.3.1.el6.x86_64 ... if the precision is necessary ;)). The BaseX server is behind a web cluster using a load balancer and an APACHE HTTP server. All the access passing thrue this server and the different ports access are managed with HAProxy. If the context is not clear enough, don't hesitate to ask more precisions.
The symptom is that the BaseX server is freezing after a webdav request. The log's extracts you can find below track the following use case:
- I try an access to http://BaseX.huma-num.fr/webdav/bvm/bvm.xml with
oXygen
- I recieve a HTTP error 500
- I try to access to the BaseX server with my web site and more than
one minute later, I have a timeout.
... but the worst symptom is that in some cases (not always), the requested db get corrupted and emptied (totally or partly) : resources are missing or they throw End of File exceptions when we then try to reopen them.
This use case can appear many times a day... but not systematically. And other colleagues have the same problems with other version of oXygen with other OS (Windows), but allways with the same BaseX server.
Does anyone of you have an idea to solve my problem?
Thanks Pierre-Yves
Some extracts of the log file:
...
17:13:06.694 X.X.X.X:34953 admin REQUEST [GET] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.845 X.X.X.X:34954 admin REQUEST [LOCK] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:13:06.888 X.X.X.X:34954 admin 200 43.82 ms 17:13:08.437 X.X.X.X:34953 admin 500 Unexpected error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk@mailman.uni-konstanz.de Version: BaseX 8.2.1 Java: Oracle Corporation, 1.8.0_31 OS: Linux, amd64 Stack Trace: java.lang.RuntimeException: org.eclipse.jetty.io.EofException at org.basex.http.webdav.BXServletResponse.close(BXServletResponse.java:80) at org.basex.http.webdav.WebDAVServlet.run(WebDAVServlet.java:46) at org.basex.http.BaseXServlet.service(BaseXServlet.java:64) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684) at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503) at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextH... 1743.02 ms
...
17:15:20.041 X.X.X.X:38436 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:15:40.067 X.X.X.X:38770 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/Cicero_De_Finibus.xml 17:16:00.078 X.X.X.X:39090 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/skepsis/ 17:16:00.170 X.X.X.X:39091 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:16:20.194 X.X.X.X:39582 admin REQUEST [PROPFIND] http://BaseX.huma-num.fr/webdav/bvm/bvm.xml 17:17:00.904 X.X.X.X:39091 admin 200 60733.77 ms 17:17:00.907 X.X.X.X:39582 admin 200 40712.41 ms 17:17:00.909 X.X.X.X:38770 admin 200 80842.45 ms 17:17:00.910 X.X.X.X:38436 admin 200 100868.15 ms 17:17:01.004 X.X.X.X:39090 admin 200 60926.05 ms 17:19:37.189 Y.Y.Y.Y:39926 admin ERROR Timeout exceeded. 60000.62 ms
...
basex-talk@mailman.uni-konstanz.de
-
Christian Grün -
Dirk Kirsten -
Pierre-Yves JALLUD