[rules-dev] Root-Cause is swallowed

[Bernd Rücker]

Hey guys,

just stumbled over this code, it swallowes the root exception (which was
some Classloading issue). Would be much better to throw it as root cause,
so the developer can get a clue what's wrong...

Or file a JIRA for it?

Cheers
Bernd

-----Ursprüngliche Nachricht-----

+    private static void loadProvider() {
+        try {
+            // we didn't find anything in properties so lets try and us
reflection
+            Class<DecisionTableProvider> cls = (
Class<DecisionTableProvider> ) Class.forName(
"org.drools.decisiontable.DecisionTableProviderImpl" );
+            setDecisionTableProvider( cls.newInstance() );
+        } catch ( Exception e2 ) {
+            throw new ProviderInitializationException( "Provider
org.drools.decisiontable.DecisionTableProviderImpl could not be set." );
+        }


[DEBUG] Trace
org.drools.ProviderInitializationException: Provider
org.drools.decisiontable.DecisionTableProviderImpl could not be set.
        at
org.drools.compiler.DecisionTableFactory.loadProvider(DecisionTableFactory
.java:36)
        at
org.drools.compiler.DecisionTableFactory.getDecisionTableProvider(Decision
TableFactory.java:25)
        at
org.drools.compiler.DecisionTableFactory.loadFromInputStream(DecisionTable
Factory.java:16)
        at
org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.jav
a:485)
        at
org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java
:36)
        at
com.oneandone.maven.plugins.CreateRulesPackageMojo.createDroolsPackage(Cre
ateRulesPackageMojo.java:130)
        at
com.oneandone.maven.plugins.CreateRulesPackageMojo.execute(CreateRulesPack
ageMojo.java:75)
        at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginMana
ger.java:451)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLi
fecycleExecutor.java:558)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(
DefaultLifecycleExecutor.java:512)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLif
ecycleExecutor.java:482)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFa
ilures(DefaultLifecycleExecutor.java:330)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(De
faultLifecycleExecutor.java:227)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecyc
leExecutor.java:142)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:287)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorIm
pl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at
org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
        at
org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)