jboss-jira March 2011

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[JBoss JIRA] Created: (JBRULES-2912) Drools Planner Divide By Zero Error

by David Faulkner (JIRA)

Drools Planner Divide By Zero Error ----------------------------------- Key: JBRULES-2912 URL: https://issues.jboss.org/browse/JBRULES-2912 Project: Drools Issue Type: Bug Security Level: Public (Everyone can see) Components: drools-planner Affects Versions: 5.1.1.FINAL Environment: Windows, Intel desktop-class, Java6 (bug is not environment-specific) Reporter: David Faulkner Assignee: Mark Proctor In org.drools.palnner.core.localsearch.DefaultLocalSearchSolver::solvingEnded, there is potentially a divide by zero that occurs on the line: long averageCalculateCountPerSecond = localSearchSolverScope.getCalculateCount() * 1000L / timeMillisSpend; if timeMillisSpend is zero. Although in theory the likelihood of this occurring in practically nothing, we have actually seen it occur on a POC project with long running Planner jobs. An appropriate guard should be added to this calculation to ensure that this error cannot occur. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 1 month

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[JBoss JIRA] Created: (JBREM-1274) Release 2.5.4.SP1

by Ron Sigal (JIRA)

Release 2.5.4.SP1 ----------------- Key: JBREM-1274 URL: https://issues.jboss.org/browse/JBREM-1274 Project: JBoss Remoting Issue Type: Release Security Level: Public (Everyone can see) Reporter: Ron Sigal Assignee: Ron Sigal Fix For: 2.5.4.SP1 -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 1 month

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[JBoss JIRA] Created: (JBRULES-2909) Build: development setup howto's, tips & tricks in the README.txt file for git, maven, eclipse, intellij, ...

by Geoffrey De Smet (JIRA)

Build: development setup howto's, tips & tricks in the README.txt file for git, maven, eclipse, intellij, ... ------------------------------------------------------------------------------------------------------------- Key: JBRULES-2909 URL: https://issues.jboss.org/browse/JBRULES-2909 Project: Drools Issue Type: Feature Request Security Level: Public (Everyone can see) Reporter: Geoffrey De Smet Assignee: Geoffrey De Smet -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 1 month

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[JBoss JIRA] Created: (JBRULES-2911) Planner: simulated annealing should work for planning problems with many hard constraints broken

by Geoffrey De Smet (JIRA)

Planner: simulated annealing should work for planning problems with many hard constraints broken ------------------------------------------------------------------------------------------------ Key: JBRULES-2911 URL: https://issues.jboss.org/browse/JBRULES-2911 Project: Drools Issue Type: Enhancement Security Level: Public (Everyone can see) Components: drools-planner Reporter: Geoffrey De Smet Assignee: Geoffrey De Smet Priority: Minor Fix For: 5.2.0.M2 This code is bad in SimulatedAnnealingAcceptor: // TODO don't abuse translateScoreToGraphValue // TODO do hard and soft separately and then average their acceptChance Double diff = localSearchSolverScope.getScoreDefinition().translateScoreToGraphValue(scoreDifference); if (diff == null) { // more hard constraints broken, ignore it for now return 0.0; } -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 1 month

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jboss-jira March 2011