[rules-users] Help : drools implementing

[Steven Williams]

J2EE does not allow File I/O so it may be that your app server does not
allow it by default and you need to give your application permission to do
it. This would generally be done in a policy file (in WebSphere it is
was.policy).

Steve

On 4/5/07, vista2007 <my_vista2007 at yahoo.com> wrote:
>
>
> I want to call rules from session bean. I implement this by calling a
> utility
> callss from the Session bean method.
> That Utility class load the rule file as
>
> "final Reader source = new
> InputStreamReader(BaseRuleImpl.class.getResourceAsStream(rulefile));"
>
> this gives the result as expected. But it throws an exception in the
> server
> as follows,(Server log)
>
> java.lang.Throwable
>         at
> com.sun.enterprise.loader.EJBClassLoader$SentinelInputStream.<init>(
> EJBClassLoader.java:1123)
>         at
>
> com.sun.enterprise.loader.EJBClassLoader$InternalJarURLConnection.getInputStream
> (EJBClassLoader.java:1216)
>         at java.net.URL.openStream(URL.java:1009)
>         at java.lang.ClassLoader.getResourceAsStream(ClassLoader.java
> :1161)
>         at
> com.sun.enterprise.loader.EJBClassLoader.getResourceAsStream(
> EJBClassLoader.java:782)
>         at java.lang.Class.getResourceAsStream(Class.java:2030)
>         at org.drools.semantics.java.RuleBuilder.<clinit>(Unknown Source)
>         at org.drools.compiler.PackageBuilder.addRule(Unknown Source)
>         at org.drools.compiler.PackageBuilder.addPackage(Unknown Source)
>         at org.drools.compiler.PackageBuilder.addPackageFromDrl(Unknown
> Source)
>         at
> com.argosoftware.rules.impl.BaseRuleImpl.readRule(BaseRuleImpl.java:29)
>         at com.argosoftware.rules.impl.RuleImpl.fireRule(RuleImpl.java:54)
>         at
> com.argosoftware.rules.ejb.session.LogicHandlerBean.ruleHandler(
> LogicHandlerBean.java:42)
>
> I think this is because of the IO operation.
> Can anybody kindly suggest a solution for this.?
>
> --
> View this message in context:
> http://www.nabble.com/Help-%3A-drools-implementing-tf3530032.html#a9851208
> Sent from the drools - user mailing list archive at Nabble.com.
>
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-- 
Steven Williams

Supervising Consultant

Object Consulting
Office: 8615 4500 Mob: 0439 898 668 Fax: 8615 4501
stevenw at objectconsulting.com.au
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