[rules-users] Loading a precompiled binary package from BRMS [Re: Help Needed]
Fernando Meyer
fmcamargo at gmail.com
Sat Jun 2 02:53:42 EDT 2007
Hi Rajesh,
You can use the org.drools.util.BinaryRuleBaseLoader to load a
precompiled binary package into your classes.
public void testLoadAndExecBinary() throws Exception {
Person p = new Person();
BinaryRuleBaseLoader loader = new BinaryRuleBaseLoader();
loader.addPackage( this.getClass().getResourceAsStream( "/
RepoBinPackage.pkg" ) );
RuleBase rb = loader.getRuleBase();
StatelessSession sess = rb.newStatelessSession();
sess.execute( p );
assertEquals(42, p.getAge());
}
ps: next time use the Rules Users maillist rules-users at lists.jboss.org
Fernando Meyer
fmcamargo at gmail.com
GPG: 5A6D 3374 B055 A513 9A02 A03B 3DB3 7485 D804 DDFB
On Jun 1, 2007, at 3:20 AM, Rajesh_Kumar wrote:
>
> hi ,
>
> First of all congratulations to you for JBRMS release.
>
> You and your team has done a great job.
>
>
> I am facing some issue , when I use jbrms.
>
> I have written a sample technical rule by following all the steps
> as mentioned in the document.
>
> I am able to download binary package also,but when I tried to use
> this package in my rule engine class using following code it’s
> giving some error like …
>
>
>
> FileInputStream fis = new FileInputStream( "C:/drools/
> TestPackage.pkg" );
>
> ObjectInputStream ois = new ObjectInputStream( fis );
>
> Object objPackage = ois.readObject() ;
>
>
> when ObjectInputStream object tries to read the object , its
> giving some an error
>
> ois.close();
>
> fis.close();
>
> Could you please help me out for this …
>
> java.io.InvalidClassException: org.drools.rule.Rule; incompatible
> types for field salience
>
> at java.io.ObjectStreamClass.matchFields(Unknown Source)
>
> at java.io.ObjectStreamClass.getReflector(Unknown Source)
>
> at java.io.ObjectStreamClass.initNonProxy(Unknown Source)
>
> at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
>
> at java.io.ObjectInputStream.readClassDesc(Unknown Source)
>
> at java.io.ObjectInputStream.readOrdinaryObject(Unknown
> Source)
>
> at java.io.ObjectInputStream.readObject0(Unknown Source)
>
> at java.io.ObjectInputStream.readObject(Unknown Source)
>
> at java.util.HashMap.readObject(Unknown Source)
>
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
> Source)
>
> at java.lang.reflect.Method.invoke(Unknown Source)
>
> at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
>
> at java.io.ObjectInputStream.readSerialData(Unknown Source)
>
> at java.io.ObjectInputStream.readOrdinaryObject(Unknown
> Source)
>
> at java.io.ObjectInputStream.readObject0(Unknown Source)
>
> at java.io.ObjectInputStream.readObject(Unknown Source)
>
> at org.drools.rule.PackageCompilationData.readExternal
> (PackageCompilationData.java:128)
>
> at java.io.ObjectInputStream.readExternalData(Unknown Source)
>
> at java.io.ObjectInputStream.readOrdinaryObject(Unknown
> Source)
>
> at java.io.ObjectInputStream.readObject0(Unknown Source)
>
> at java.io.ObjectInputStream.readObject(Unknown Source)
>
> at org.drools.rule.Package.readExternal(Package.java:160)
>
> at java.io.ObjectInputStream.readExternalData(Unknown Source)
>
> at java.io.ObjectInputStream.readOrdinaryObject(Unknown
> Source)
>
> at java.io.ObjectInputStream.readObject0(Unknown Source)
>
> at java.io.ObjectInputStream.readObject(Unknown Source)
>
> at com.sample.DroolsTest.readRule(DroolsTest.java:36)
>
> at com.sample.DroolsTest.main(DroolsTest.java:17)
>
>
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