I've had many bad experiences, specially related to reading and writing files when using Open JDK 6. You should use Open JDK 7 or Oracle's JDK 6 or 7.
The reason Open JDK 6 is buggy can be more obvious if you see how it was made in the picture at http://openjdk.java.net/projects/jdk6/ On 27 August 2013 11:23, Donal K. Fellows <[email protected]> wrote: > On 20/08/2013 08:29, Yehia Elkhatib wrote: >> >> I'm using TavernaServer 2.4.1 on Tomcat 6.0.35 > > > I've just looked through the log messages again and realized that the > problem is (probably) nothing to do with the database. Instead, it actually > appears to be due to the JRE implementation being unable to open the saved > credentials; that's fatal. > > Crudely speaking, Taverna (both the server part and the workflow engine) > really needs to be able to use the full-strength Java security code, and the > only way I know of making this work is to use the JRE implementation from > Oracle with the relevant JCE installed. You're using the OpenJDK > implementation, and I'm not sure what that does here. (Googling for "jce > openjdk" leads me to http://openjdk.java.net/groups/security/ but I'm not > sure how that applies in your case; the way the failure is surfacing isn't > very informative, alas.) > > Or it's an error in how the OpenJDK implementation of the file name > construction code interacts with Derby (or possibly with Raven). Which would > suck. (I hate these long stack traces.) > > (The key things in the logs that catch our eyes are the odd filenames and > the apparent problems with loading default credentials.) > > A suggested workaround would be to try with the Oracle JRE (or JDK) and > their JCE. That seems to work, and is what we use here. If it fixes it, > we'll have to add a note to the documentation that there is a known problem > with at least some versions of the OpenJDK. > > Donal (sorry for taking so long to get back; we've been occupied with some > major conferences and the bank holiday weekend). > > ------------------------------------------------------------------------------ > Introducing Performance Central, a new site from SourceForge and > AppDynamics. Performance Central is your source for news, insights, > analysis and resources for efficient Application Performance Management. > Visit us today! > http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk > _______________________________________________ > taverna-users mailing list > [email protected] > [email protected] > Web site: http://www.taverna.org.uk > Mailing lists: http://www.taverna.org.uk/about/contact-us/ > -- Stian Soiland-Reyes, myGrid team School of Computer Science The University of Manchester http://soiland-reyes.com/stian/work/ http://orcid.org/0000-0001-9842-9718 ------------------------------------------------------------------------------ Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more! Discover the easy way to master current and previous Microsoft technologies and advance your career. Get an incredible 1,500+ hours of step-by-step tutorial videos with LearnDevNow. Subscribe today and save! http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk _______________________________________________ taverna-users mailing list [email protected] [email protected] Web site: http://www.taverna.org.uk Mailing lists: http://www.taverna.org.uk/about/contact-us/
