try increasing your perm gen space. Mark On 16 Aug 2014, at 04:11, Jan Rose <u...@comcast.net> wrote:
> Would like some advice regarding using Decision Tables in DROOLS 5.6.0 Final. > We have decision tables with over 12,000 rows. It is a basic ‘look-up’ > table with 3 conditions and 2 actions. The conditions are, for example: > Company = X Dept = X Class = X then value = X and log X. When I reduced > the number of rows to approx. 500 . .. it works. > I have set the max memory in the JVM to 2 gigs. We have tried compiling the > decision tables using the spreadsheet compiler as well as the decision table > compiler. > Below is the error when using the decision table compiler. However, we get > the same PermGen space error with the spreadsheet compiler. > > Obviously, we need to be able to have more than 500 rows in our decision > table(s). Any advice would be appreciated. > > Aug 14, 2014 6:33:09 PM com.macys.test.rules.engine.AttribDecisionTbl main > INFO: found file:c:\attribute-data.xls > Aug 14, 2014 6:33:10 PM com.macys.test.test_drools.RuleRunner loadRules > INFO: Loading file: log-rules.drl > Aug 14, 2014 6:33:10 PM com.macys.test.test_drools.RuleRunner loadRuleFile > INFO: found rule file:log-rules.drl > Aug 14, 2014 6:33:11 PM com.macys.test.test_drools.RuleRunner loadRules > INFO: Loading file: AttributeRules-MDSLife-V1.xls > Aug 14, 2014 6:33:11 PM com.macys.test.test_drools.RuleRunner loadExcelRules > INFO: found file:AttributeRules-MDSLife-V1.xls > Exception in thread "main" java.lang.OutOfMemoryError: PermGen space > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:800) > at > org.drools.rule.JavaDialectRuntimeData$PackageClassLoader.fastFindClass(JavaDialectRuntimeData.java:624) > > at > org.drools.util.CompositeClassLoader$CachingLoader.load(CompositeClassLoader.java:254) > > at > org.drools.util.CompositeClassLoader$CachingLoader.load(CompositeClassLoader.java:237) > > at > org.drools.util.CompositeClassLoader.loadClass(CompositeClassLoader.java:88) > at java.lang.ClassLoader.loadClass(ClassLoader.java:358) > at > org.drools.rule.JavaDialectRuntimeData.wire(JavaDialectRuntimeData.java:434) > at > org.drools.rule.JavaDialectRuntimeData.wire(JavaDialectRuntimeData.java:429) > at > org.drools.rule.JavaDialectRuntimeData.onBeforeExecute(JavaDialectRuntimeData.java:257) > > at > org.drools.rule.DialectRuntimeRegistry.onBeforeExecute(DialectRuntimeRegistry.java:139) > > at > org.drools.compiler.PackageBuilder.reloadAll(PackageBuilder.java:1202) > at > org.drools.compiler.PackageBuilder.compileAllRules(PackageBuilder.java:951) > at > org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:938) > at > org.drools.compiler.PackageBuilder.addPackageFromDecisionTable(PackageBuilder.java:451) > > at > org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:715) > > at > org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:51) > > at > com.macys.test.test_drools.RuleRunner.loadExcelRules(RuleRunner.java:161) > at > com.macys.test.test_drools.RuleRunner.loadRules(RuleRunner.java:53) > at > com.macys.test.test_drools.RuleRunner.runStatelessRules(RuleRunner.java:217) > at > com.macys.test.rules.engine.AttribDecisionTbl.main(AttribDecisionTbl.java:99) > > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users
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