By default the maven resources plugin copies resources in the encoding of the platform it's build on IRCC. It's better to lock that down on UTF-8. It even logs a warning if it's not locked down. Is that xls file a resource that's being copied?
With kind regards, Geoffrey De Smet Bernd Rücker schreef: > Hi all. > > > > I recently had the same exception as reported in > https://jira.jboss.org/jira/browse/GUVNOR-286, but didn’t find anything > on the web. We currently have the same error with Maven and Drools > 5.0.1, very strange: > > > > Testcode > > > > public static void main(String[] args) { > > final DecisionTableConfiguration dtableconfiguration = > KnowledgeBuilderFactory.newDecisionTableConfiguration(); > > dtableconfiguration.setInputType( DecisionTableInputType.XLS ); > > > > final KnowledgeBuilder kbuilder = > KnowledgeBuilderFactory.newKnowledgeBuilder(); > > kbuilder.add( > ResourceFactory.newClassPathResource("Sample.xls", Test.class ), > > ResourceType.DTABLE, > > dtableconfiguration ); > > > > final KnowledgeBase kbase = > KnowledgeBaseFactory.newKnowledgeBase(); > > kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() ); > > > > // typical decision tables are used statelessly > > StatefulKnowledgeSession ksession = > kbase.newStatefulKnowledgeSession(); > > } > > > > Stacktrace: > > > > org.drools.template.parser.DecisionTableParseException: An error occured > opening the workbook. It is possible that the encoding of the document > did not match the encoding of the reader. > > at > org.drools.decisiontable.parser.xls.ExcelParser.parseFile(ExcelParser.java:89) > > at > org.drools.decisiontable.SpreadsheetCompiler.compile(SpreadsheetCompiler.java:90) > > at > org.drools.decisiontable.SpreadsheetCompiler.compile(SpreadsheetCompiler.java:69) > > at > org.drools.decisiontable.DecisionTableProviderImpl.compileStream(DecisionTableProviderImpl.java:29) > > at > org.drools.decisiontable.DecisionTableProviderImpl.loadFromInputStream(DecisionTableProviderImpl.java:19) > > at > org.drools.compiler.DecisionTableFactory.loadFromInputStream(DecisionTableFactory.java:16) > > at > org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:508) > > at > org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:31) > > at Test.main(Test.java:21) > > Caused by: jxl.read.biff.BiffException: Unable to recognize OLE stream > > at jxl.read.biff.CompoundFile.<init>(CompoundFile.java:111) > > at jxl.read.biff.File.<init>(File.java:113) > > at jxl.Workbook.getWorkbook(Workbook.java:250) > > at jxl.Workbook.getWorkbook(Workbook.java:235) > > at > org.drools.decisiontable.parser.xls.ExcelParser.parseFile(ExcelParser.java:74) > > ... 8 more > > > > The strange thing: When we tried it with Eclipse (3.4.2) and created a > Drools project, everything worked. When we created a maven project and > added exactly the same libraries, the exception was caused. > > > > We tracked it down to the .project file: > > > > <?xml version="1.0" encoding="UTF-8"?> > > <projectDescription> > > <name>iks_drools</name> > > <comment></comment> > > <projects> > > </projects> > > <buildSpec> > > <buildCommand> > > <name>org.eclipse.jdt.core.javabuilder</name> > > <arguments> > > </arguments> > > </buildCommand> > > <!-- buildCommand> > > <name>org.maven.ide.eclipse.maven2Builder</name> > > <arguments> > > </arguments> > > </buildCommand --> > > <buildCommand> > > <name>org.drools.eclipse.droolsbuilder</name> > > <arguments> > > </arguments> > > </buildCommand> > > </buildSpec> > > <natures> > > <nature>org.eclipse.jdt.core.javanature</nature> > > <!-- nature>org.maven.ide.eclipse.maven2Nature</nature --> > > </natures> > > </projectDescription> > > > > With the comments it works, without the comments and the maven2Builder > and natures it causes the exception. We are puzzled. > > > > Any ideas? > > > > Hopefully it is OK to post that to the dev lists, seems a pretty deep thing… > > > Thanks a lot and Cheers > > Bernd > > > ------------------------------------------------------------------------ > > _______________________________________________ > rules-dev mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-dev _______________________________________________ rules-dev mailing list [email protected] https://lists.jboss.org/mailman/listinfo/rules-dev
