626 pages of spec... and you reply with section number and some copy and paste. I am grateful Arno, thank you!
On 25/05/2012, at 5:45 PM, Arno Haase wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > JEE application servers typically do not actually prevent you from > accessing the file system, and the spec does not require them to. So > if it works with your specific app server / jee stack, you are home free. > > The spec prohibits accessing the file system sort of to protect you > from yourseslf - the file system is not transactional, needs attention > in a clustered environment etc. > > That is specified in section 21.2.2 "Programming Restrictions" of the > EJB 3.1 specification (JSR 318, > http://www.oracle.com/technetwork/java/javaee/tech/index.html): > > > •An enterprise bean must not use the java.io package to attempt to > access files and directories in the file system. > > The file system APIs are not well-suited for business components to > access data. Business components should use a resource manager API, > such as JDBC, to store data. > > > The bottom line is: > * the spec allows file system access from a servlet. The restriction > applies only to EJBs. > * Even from EJBs it works and is likely to continue working. > * But accessing the file system from an EJB formally makes an > application not strictly JEE6 compliant. > > I hope that helps > > - - Arno > > > Am 25.05.2012 03:23, schrieb Chris Mylonas: >> Hi Tapestry Users, >> >> In April there was a thread about AssetFactory help [1] and it >> mentioned that the J2EE spec states that you should not read or >> write to the file system. Reading up on the collapsed ear from >> openejb's website [2] they say (sic) "not quite j2ee but truly >> jee6". >> >> Although openejb is referencing class loading, where would I find >> info about whether jee6 allows reading/writing to local >> filesystem? It's a handy bad habit I'd like to be able to access - >> I know it's something I was doing back in early 2000s with tomcat 5 >> unknowingly being a badass. >> >> Any help would be greatly appreciated, Chris >> >> >> >> [1] = >> http://tapestry.1045711.n5.nabble.com/File-System-Asset-Factory-help-needed-and-petition-wanted-td5641308.html >> >> > [2] = https://openejb.apache.org/collapsed-ear.html > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.11 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAk+/OIoACgkQbmZsMyUPuXTk5wCgxKl9YZbk1LBdcupOQp1QuABz > zq0AoOBYmu87uYBUgFqr/DqCtdCYBb0M > =VkAE > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org > For additional commands, e-mail: users-h...@tapestry.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
