the simplest solution is to start JESS with the appropriate heap settings -Xms256m -Xmx1024m
the default heap in java is 64mb peter On Mon, Sep 14, 2009 at 9:42 AM, jo <etaoi...@yahoo.com> wrote: > Hi > > I got following error, which surprises me as I try to keep the amount of > facts to a minimum. > > Can I detect this condition *before* it is about to happen ? Any ideas on how > to prevent this ? > > 30m is really not that long :( > > Exception in thread "main" java.lang.OutOfMemoryError: Java heap space > at jess.factory.FactoryImpl.newToken(FactoryImpl.java:27) > at jess.Node2.tokenMatchesLeft(Node2.java:326) > at jess.Node2.doRunTestsVaryRight(Node2.java:314) > at jess.Node2.doRunTestsVaryRight(Node2.java:299) > at jess.Node2.runTestsVaryRight(Node2.java:292) > at jess.Node2.callNodeLeft(Node2.java:156) > at jess.NodeJoin.passAlong(NodeJoin.java:99) > at jess.Node2.tokenMatchesLeft(Node2.java:328) > at jess.Node2.doRunTestsVaryRight(Node2.java:314) > at jess.Node2.doRunTestsVaryRight(Node2.java:299) > at jess.Node2.runTestsVaryRight(Node2.java:292) > at jess.Node2.callNodeLeft(Node2.java:156) > at jess.NodeJoin.passAlong(NodeJoin.java:99) > at jess.Node2.tokenMatchesLeft(Node2.java:328) > at jess.Node2.doRunTestsVaryRight(Node2.java:314) > at jess.Node2.doRunTestsVaryRight(Node2.java:299) > at jess.Node2.runTestsVaryRight(Node2.java:292) > at jess.Node2.callNodeLeft(Node2.java:156) > at jess.Node1RTL.passAlong(Node1RTL.java:46) > at jess.Node1RTL.callNodeRight(Node1RTL.java:28) > at jess.Node1.passAlong(Node1.java:49) > at jess.Node1MTELN.callNodeRight(Node1MTELN.java:35) > at jess.Node1.passAlong(Node1.java:49) > at jess.Node1TECT.callNodeRight(Node1TECT.java:40) > at jess.NodeRoot.passAlong(NodeRoot.java:39) > at jess.NodeRoot.callNodeRight(NodeRoot.java:14) > at jess.FactList.processToken(FactList.java:31) > at jess.FactList._assert(FactList.java:210) > at jess.FactList.assertFact(FactList.java:181) > at jess.Rete.assertFact(Rete.java:548) > at jess.FactFunctions$Assert.call(FactFunctions.java:50) > at jess.FunctionHolder.call(FunctionHolder.java:35) > > real 30m12.867s > user 27m48.316s > > > > > tx > J > > > > > > -------------------------------------------------------------------- > To unsubscribe, send the words 'unsubscribe jess-users y...@address.com' > in the BODY of a message to majord...@sandia.gov, NOT to the list > (use your own address!) List problems? Notify owner-jess-us...@sandia.gov -------------------------------------------------------------------- To unsubscribe, send the words 'unsubscribe jess-users y...@address.com' in the BODY of a message to majord...@sandia.gov, NOT to the list (use your own address!) List problems? Notify owner-jess-us...@sandia.gov. --------------------------------------------------------------------
