It seems there is some deadlock in which case a stack trace of the threads would be helpful. Checkout this document how to retrieve one:
http://wiki.eclipse.org/How_to_report_a_deadlock BTW, your question is more suitable for the user groups. BR, -- Danail Nachev Senior Software Engineer/Development Tools ProSyst Labs EOOD ------------------------------------------------- stay in touch with your product. ------------------------------------------------- Lucky wrote: > Hi all, > > One external class cannot run in Eclipse's OSGi framework well. It can > run independently as normal java, so I'm wondering whether there exist > some limitation in using external classes in an OSGi bundle. > > The problem is presented in detail as below: > > I'm intended to pack an existing external java class into a bundle of > standard OSGi. The class in experiment is from a project named Globus > GridFTP. The class is namely FTPClient, in a binary JAR file provided > by Globus organization. And I added reference of this JAR file, and > imported the package. > > However, when execute the program, the execution get blocked on the > construction function of one external class. > //CODE: > try{ > System.out.println("Caught host="+host+" port="+port+" new > object"); > FTPClient thisClient = new FTPClient(host,port); //Blocked on > this line > System.out.println("FTPClient created"); //This line never > reached > after a long time > } > catch (Exception ex) > { > System.out.println("Caught exception in service."); > //This line > never reached after a long time. > } > > FTPClient is an external class imported from a Globus JAR file. The > above code snip is from a function in a bundle's service > implementation. When calling this service from another bundle, > execution seems get dead-looped on the construction function, and > neither its following statement or the catch clause was hit. It is > definitly not because there's a time-out in the constructor, becasue > (1) I wait it for a very long time (approx. 1hour and it's still > there). (2) When running these statements in a normal Java program(not > under OSGi framework or as a bundle), the constructor could execute > smoothly and immediately returned. > > Thus, I'm wondering that is there currently some limitation in using > external classes under OSGi framework and as a bundle. Consider this > class (FTPClient) is dealing with network, I'm wondering whether > there're some specific requirements for external classes running > inside a bundle, particularly consider the network operations. > > I'll at the same time deliver my query to the Globus side. However, as > they're not dealing with OSGi development, and their classes in JARs > could running correctly outside OSGi bundle, I think my primary > problem should be the lack of knowledge of Equinox implementation of > OSGi, not of that FTPClient class. > > My Eclipse version: 3.2.0 > org.eclipse.osgi package version: 3.3.2.R33x_v20080105 > Globus JAR version: cog-jglobus.jar : ver 1.4 > > Thanks very much. > > > Warm Regards, > Ji Li, > May,22,2008 > _______________________________________________ > equinox-dev mailing list > [email protected] > https://dev.eclipse.org/mailman/listinfo/equinox-dev > > _______________________________________________ equinox-dev mailing list [email protected] https://dev.eclipse.org/mailman/listinfo/equinox-dev
