Only thing I noticed is that your reference hivemind.PlaceholderFactory, which should be hivemind.lib.PlaceholderFactory.
On Fri, 13 Aug 2004 07:39:22 -0700 (PDT), [email protected] <[email protected]> wrote: > The following comment has been added to this issue: > > Author: Harald Meyer > Created: Fri, 13 Aug 2004 7:38 AM > Body: > Ok, maybe the error really is in my Testcase / Service. You can download the > test from http://fara.cs.uni-potsdam.de/~hmeyer/bug.zip . > > --------------------------------------------------------------------- > View this comment: > http://issues.apache.org/jira/browse/HIVEMIND-44?page=comments#action_37245 > > --------------------------------------------------------------------- > View the issue: > http://issues.apache.org/jira/browse/HIVEMIND-44 > > Here is an overview of the issue: > --------------------------------------------------------------------- > Key: HIVEMIND-44 > Summary: Race Conditions in Construction of Threaded Service > Type: Bug > > Status: Closed > Priority: Major > Resolution: CANNOT REPRODUCE > > Project: HiveMind > Components: > framework > Versions: > 1.0 > > Assignee: Howard M. Lewis Ship > Reporter: Harald Meyer > > Created: Thu, 12 Aug 2004 11:03 AM > Updated: Fri, 13 Aug 2004 7:38 AM > > > Environment: J2SDK 1.4.2, Windows XP, Eclipse, Log4J > > Description: > Basically the problem occours when two threads simultaneously construct > instances of threaded service. > > You can reconstruct the bug, by creating 10-20 threads in a for loop, and let > each of this threads call the threaded service. A stack trace similar to this > should appear: > > org.apache.hivemind.ApplicationRuntimeException: Unable to construct service > Service.ThreadedService1: org.apache.hivemind.ApplicationRuntimeException > at > org.apache.hivemind.impl.servicemodel.ThreadedServiceModel.constructServiceForCurrentThread(ThreadedServiceModel.java:162) > at > org.apache.hivemind.impl.servicemodel.ThreadedServiceModel.getServiceImplementationForCurrentThread(ThreadedServiceModel.java:139) > at > $ThreadedProxy_fe54269949_6._service($ThreadedProxy_fe54269949_6.java) > at $ThreadedProxy_fe54269949_6.foo($ThreadedProxy_fe54269949_6.java) > at testing.bugs.TestCase1$1.run(TestCase1.java:50) > > As this is time-critical problem it does not always happen. My observation is > that the longer the construction of the service takes (e.g. a lot of (at > least 3-4) service properties) the more likely the problem occours. It also > "helps" to have logging at debug level. > > If neccessary I've got source code to reproduce the problem (but with SDL > module descriptors). The same problem occours with pooled service module, too. > > To fix this I guess constructServiceForCurrentThread() should be > synchronized. From looking at the source code of > getServiceImplementationForCurrentThread it seems like it has to be > synchronized, too. > > --------------------------------------------------------------------- > JIRA INFORMATION: > This message is automatically generated by JIRA. > > If you think it was sent incorrectly contact one of the administrators: > http://issues.apache.org/jira/secure/Administrators.jspa > > If you want more information on JIRA, or have a bug to report see: > http://www.atlassian.com/software/jira > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Howard M. Lewis Ship Independent J2EE / Open-Source Java Consultant Creator, Jakarta Tapestry Creator, Jakarta HiveMind http://howardlewisship.com --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
