[rules-users] FW: Drools in non-eclipse environment
Michael Anstis
michael.anstis at gmail.com
Thu Jun 16 09:18:53 EDT 2011
In a meeting right now, but you could try Googling for ways to increase the
heap size on Android?
I did a very quick search and it looked possible....
2011/6/16 Abhay B. Chaware <Abhay.Chaware at kpitcummins.com>
> Thanks Mike !
>
> It is failing after few seconds ( about 30-35 secs ) after I get the
> “Creating Package Builder ..” line on the console …I am not getting the next
> debug statement, but getting the exception instead. I am seeing a lot of
> garbage collection calls right after “Creating Package Builder …” line in
> the console before crashing, which tells me that the issue is probably
> related to heap/memory.
>
> Here’s the snippet from my code.
>
> System.out.println (“Creating Package Builder ..
> ”);
>
> PackageBuilder builder = new PackageBuilder( cfg0
> );
>
> builder.addPackageFromDrl(new
> InputStreamReader(is)); // “is” is input stream for drl file
>
> RuleBase ruleBase = RuleBaseFactory.newRuleBase();
>
> ruleBase.addPackage( builder.getPackage() );
>
> System.out.println (“Package added to rule base..
> ”);
>
> -abhay
> ------------------------------
>
> *From:* rules-users-bounces at lists.jboss.org [mailto:
> rules-users-bounces at lists.jboss.org] *On Behalf Of *Michael Anstis
> *Sent:* Thursday, June 16, 2011 6:17 PM
> *To:* Rules Users List
> *Subject:* Re: [rules-users] FW: Drools in non-eclipse environment
>
>
>
> Congratulations Abhay!
>
> When does your application crash? e.g. building package, inserting facts,
> firing all rules?
>
>
> I'm not sure how much help I can be, but your advice might help others.
>
> Unfortunately I'm not able to analyse the Android log :(
>
> Cheers,
>
> Mike
>
> 2011/6/16 Abhay B. Chaware <Abhay.Chaware at kpitcummins.com>
>
> I am have now managed to get past all the compiler errors for Drools on
> android .. ( I think ) J .
>
>
>
> My app is failing ( crashing ) when run on android device. Looking at the
> log, appears to be a heap memory problem, can anyone see anything suspicious
> here in the android log, that may point to the drools code as suspect ?
>
>
>
>
>
> I/DEBUG ( 1280): *** *** *** *** *** *** *** *** *** *** *** *** *** ***
> *** ***
> I/DEBUG ( 1280): Build fingerprint:
> 'samsung/GT-I9003/GT-I9003/GT-I9003:2.2.1/FROYO/XXKB3:user/release-keys'
> I/DEBUG ( 1280): pid: 11341, tid: 11341 >>> com.first <<<
> I/DEBUG ( 1280): signal 11 (SIGSEGV), fault addr 0000004c
> I/DEBUG ( 1280): r0 00000000 r1 4831de40 r2 00000000 r3 00000000
> I/DEBUG ( 1280): r4 809a2400 r5 00240d00 r6 00000000 r7 0000cd28
> I/DEBUG ( 1280): r8 80917040 r9 0000cd28 10 430cb970 fp bea15728
> I/DEBUG ( 1280): ip 00000000 sp bea153a8 lr 809681f7 pc 8096809c cpsr
> 80000070
> I/DEBUG ( 1280): d0 65643a64696f7262 d1 0065006400610075
> I/DEBUG ( 1280): d2 4ba11af200000567 d3 000000004b815b67
> I/DEBUG ( 1280): d4 0065007400730079 d5 00610050002e006d
> I/DEBUG ( 1280): d6 006c004300680074 d7 3eaaaaab3f800000
> I/DEBUG ( 1280): d8 0000000000000000 d9 0000000000000000
> I/DEBUG ( 1280): d10 0000000000000000 d11 0000000000000000
> I/DEBUG ( 1280): d12 0000000000000000 d13 0000000000000000
> I/DEBUG ( 1280): d14 0000000000000000 d15 0000000000000000
> I/DEBUG ( 1280): d16 ade4622100000000 d17 0064002f005b0072
> I/DEBUG ( 1280): d18 002f006100740061 d19 002f007000700061
> I/DEBUG ( 1280): d20 0073002e006b0069 d21 0065007400730079
> I/DEBUG ( 1280): d22 00610050002e006d d23 006c004300680074
> I/DEBUG ( 1280): d24 3ff0000000000000 d25 0000000000000000
> I/DEBUG ( 1280): d26 0000000000000000 d27 0000000000000000
> I/DEBUG ( 1280): d28 0000000000000000 d29 0000000000000000
> I/DEBUG ( 1280): d30 0000000000000000 d31 0000000000000000
> I/DEBUG ( 1280): scr 80000012
> I/DEBUG ( 1280):
> I/DEBUG ( 1280): #00 pc 0006809c /system/lib/libdvm.so
> I/DEBUG ( 1280): #01 pc 000681f2 /system/lib/libdvm.so
> I/DEBUG ( 1280): #02 pc 00068238 /system/lib/libdvm.so
> I/DEBUG ( 1280): #03 pc 000690a6 /system/lib/libdvm.so
> I/DEBUG ( 1280): #04 pc 00061a0c /system/lib/libdvm.so
> I/DEBUG ( 1280): #05 pc 00063f1a /system/lib/libdvm.so
> I/DEBUG ( 1280): #06 pc 0001bdd8 /system/lib/libdvm.so
> I/DEBUG ( 1280): #07 pc 000227d4 /system/lib/libdvm.so
> I/DEBUG ( 1280): #08 pc 00021674 /system/lib/libdvm.so
> I/DEBUG ( 1280): #09 pc 0005c7d6 /system/lib/libdvm.so
> I/DEBUG ( 1280): #10 pc 00064ef8 /system/lib/libdvm.so
> I/DEBUG ( 1280): #11 pc 0001bdd8 /system/lib/libdvm.so
> I/DEBUG ( 1280): #12 pc 000227d4 /system/lib/libdvm.so
> I/DEBUG ( 1280): #13 pc 00021674 /system/lib/libdvm.so
> I/DEBUG ( 1280): #14 pc 0005c614 /system/lib/libdvm.so
> I/DEBUG ( 1280): #15 pc 00047cd6 /system/lib/libdvm.so
> I/DEBUG ( 1280): #16 pc 000364b4 /system/lib/libandroid_runtime.so
> I/DEBUG ( 1280): #17 pc 0003808c /system/lib/libandroid_runtime.so
> I/DEBUG ( 1280): #18 pc 00008ca8 /system/bin/app_process
> I/DEBUG ( 1280): #19 pc 0000d404 /system/lib/libc.so
> I/DEBUG ( 1280):
> I/DEBUG ( 1280): code around pc:
> I/DEBUG ( 1280): 8096807c 0f02f1be 2500bfd8 b0054628 bf00bdf0
> I/DEBUG ( 1280): 8096808c 0003a3c8 000003a0 fffc3f91 41f0e92d
> I/DEBUG ( 1280): 8096809c 4d216cc3 4606a200 18ad460f d0384299
> I/DEBUG ( 1280): 809680ac e078f8df 400ef855 208cf8d4 0014f112
> I/DEBUG ( 1280): 809680bc eb0cf7ae c094f8d4 f1bc6a73 bf180100
> I/DEBUG ( 1280):
> I/DEBUG ( 1280): code around lr:
> I/DEBUG ( 1280): 809681d4 461a9905 633e1820 fb12f7d9 46089902
> I/DEBUG ( 1280): 809681e4 f7e84639 e004faa7 99044610 f7ff4616
> I/DEBUG ( 1280): 809681f4 9803ff51 f7e82100 4628fa9d ed6af7ae
> I/DEBUG ( 1280): 80968204 b0094630 bf00bdf0 0003a2c8 fffe46a4
> I/DEBUG ( 1280): 80968214 ffff026e ffff1926 fffe2288 ffff194c
> I/DEBUG ( 1280):
> I/DEBUG ( 1280): stack:
> I/DEBUG ( 1280): bea15368 430faf80 /dev/ashmem/dalvik-LinearAlloc (deleted)
> I/DEBUG ( 1280): bea1536c 0000cd28 [heap]
> I/DEBUG ( 1280): bea15370 bea153c4 [stack]
> I/DEBUG ( 1280): bea15374 8095c61d /system/lib/libdvm.so
> I/DEBUG ( 1280): bea15378 8099266e /system/lib/libdvm.so
> I/DEBUG ( 1280): bea1537c 4831de40 /dev/ashmem/mspace/dalvik-heap/2
> (deleted)
> I/DEBUG ( 1280): bea15380 439121ed /system/framework/core.odex
> I/DEBUG ( 1280): bea15384 00000000
> I/DEBUG ( 1280): bea15388 bea15340 [stack]
> I/DEBUG ( 1280): bea1538c 0000001f
> I/DEBUG ( 1280): bea15390 80993d3a /system/lib/libdvm.so
> I/DEBUG ( 1280): bea15394 809a2400 /system/lib/libdvm.so
> I/DEBUG ( 1280): bea15398 00240d00 [heap]
> I/DEBUG ( 1280): bea1539c 00000000
> I/DEBUG ( 1280): bea153a0 df002777
> I/DEBUG ( 1280): bea153a4 e3a070ad
> I/DEBUG ( 1280): #00 bea153a8 809a2400 /system/lib/libdvm.so
> I/DEBUG ( 1280): bea153ac 00240d00 [heap]
> I/DEBUG ( 1280): bea153b0 00000000
> I/DEBUG ( 1280): bea153b4 0000cd28 [heap]
> I/DEBUG ( 1280): bea153b8 80917040 /system/lib/libdvm.so
> I/DEBUG ( 1280): bea153bc 809681f7 /system/lib/libdvm.so
> I/DEBUG ( 1280): #01 bea153c0 4867acc0 /dev/ashmem/mspace/dalvik-heap/2
> (deleted)
> I/DEBUG ( 1280): bea153c4 400092d0 /dev/ashmem/mspace/dalvik-heap/zygote/0
> (deleted)
> I/DEBUG ( 1280): bea153c8 00000000
> I/DEBUG ( 1280): bea153cc 4867acc0 /dev/ashmem/mspace/dalvik-heap/2
> (deleted)
> I/DEBUG ( 1280): bea153d0 4831de40 /dev/ashmem/mspace/dalvik-heap/2
> (deleted)
> I/DEBUG ( 1280): bea153d4 00240ce8 [heap]
> I/DEBUG ( 1280): bea153d8 00000000
> I/DEBUG ( 1280): bea153dc ade46221 /system/lib/libicuuc.so
> I/DEBUG ( 1280): bea153e0 00000001
> I/DEBUG ( 1280): bea153e4 00240ce8 [heap]
> I/DEBUG ( 1280): bea153e8 4831de40 /dev/ashmem/mspace/dalvik-heap/2
> (deleted)
> I/DEBUG ( 1280): bea153ec 809a2400 /system/lib/libdvm.so
> I/DEBUG ( 1280): bea153f0 00240cd0 [heap]
> I/DEBUG ( 1280): bea153f4 8096823d /system/lib/libdvm.so
>
>
>
>
>
> -abhay
>
>
> ------------------------------
>
> *From:* Abhay B. Chaware
> *Sent:* Monday, June 13, 2011 9:43 AM
> *To:* 'Rules Users List'
> *Subject:* FW: [rules-users] Drools in non-eclipse environment
>
>
>
> Any ideas folks ?
> ------------------------------
>
> *From:* Abhay B. Chaware
> *Sent:* Friday, June 10, 2011 12:54 PM
> *To:* 'Rules Users List'
> *Subject:* RE: [rules-users] Drools in non-eclipse environment
>
>
>
> The ride’s real fun J
>
>
>
> Got apache harmony’s beans.jar to work .. now , when I am reading the
> serialized knowledgebase object on android, quite obvious, it is throwing
> this error –
>
>
>
> java.lang.UnsupportedOperationException: can't load this type of class file
>
>
>
> since my serialized knowledgebase object is in java format .. and not dex.
> Can this serialized version be converted into .dex format using the “dx”
> utility – pre or post serialization ? I tried the “dx” tool on the
> serialized object, but it doesn’t seem to understand the format.
>
>
>
> -abhay
>
>
> ------------------------------
>
> *From:* rules-users-bounces at lists.jboss.org [mailto:
> rules-users-bounces at lists.jboss.org] *On Behalf Of *Michael Anstis
> *Sent:* Thursday, June 09, 2011 6:37 PM
> *To:* Rules Users List
> *Subject:* Re: [rules-users] Drools in non-eclipse environment
>
>
>
>
> http://meteatamel.wordpress.com/2010/08/25/android-api-and-java-beans-package/
>
>
> http://meteatamel.wordpress.com/2010/09/28/android-api-and-java-beans-package-2/
>
> Enjoy the ride ;)
>
> 2011/6/9 Abhay B. Chaware <Abhay.Chaware at kpitcummins.com>
>
> woo hooo ! I got past that problem J But a new one’s here now.
>
>
>
> Looks like MVEL is not liking something J
>
>
>
>
>
>
>
> W/dalvikvm(29977): VFY: unable to resolve static method 164:
> Ljava/beans/Introspector;.decapitalize (Ljava/lang/String;)Ljava/lang
>
> /String;
>
> W/dalvikvm(29977): threadid=1: thread exiting with uncaught exception
> (group=0x40020ac0)
>
> E/AndroidRuntime(29977): FATAL EXCEPTION: main
>
> E/AndroidRuntime(29977): java.lang.NoClassDefFoundError:
> java.beans.Introspector
>
> E/AndroidRuntime(29977): at
> org.drools.core.util.asm.ClassFieldInspector.calcFieldName(ClassFieldInspector.java:298)
>
> E/AndroidRuntime(29977): at
> org.drools.core.util.asm.ClassFieldInspector.addToMapping(ClassFieldInspector.java:216)
>
> E/AndroidRuntime(29977): at
> org.drools.core.util.asm.ClassFieldInspector.processClassWithoutByteCode(ClassFieldInspector.ja
>
> va:148)
>
> E/AndroidRuntime(29977): at
> org.drools.core.util.asm.ClassFieldInspector.<init>(ClassFieldInspector.java:83)
>
> E/AndroidRuntime(29977): at
> org.drools.core.util.asm.ClassFieldInspector.<init>(ClassFieldInspector.java:64)
>
> E/AndroidRuntime(29977): at
> org.drools.base.ClassFieldAccessorFactory.getClassFieldReader(ClassFieldAccessorFactory.java:11
>
> 8)
>
> E/AndroidRuntime(29977): at
> org.drools.base.ClassFieldAccessorCache$CacheEntry.getReadAccessor(ClassFieldAccessorCache.java
>
> :168)
>
> E/AndroidRuntime(29977): at
> org.drools.base.ClassFieldAccessorCache.getReadAcessor(ClassFieldAccessorCache.java:101)
>
> E/AndroidRuntime(29977): at
> org.drools.base.ClassFieldAccessorStore.wire(ClassFieldAccessorStore.java:404)
>
> E/AndroidRuntime(29977): at
> org.drools.base.ClassFieldAccessorStore.wire(ClassFieldAccessorStore.java:374)
>
> E/AndroidRuntime(29977): at
> org.drools.common.AbstractRuleBase.readExternal(AbstractRuleBase.java:295)
>
> E/AndroidRuntime(29977): at
> org.drools.reteoo.ReteooRuleBase.readExternal(ReteooRuleBase.java:236)
>
> E/AndroidRuntime(29977): at
> org.drools.impl.KnowledgeBaseImpl.readExternal(KnowledgeBaseImpl.java:108)
>
> E/AndroidRuntime(29977): at
> java.io.ObjectInputStream.readNewObject(ObjectInputStream.java:2127)
>
> E/AndroidRuntime(29977): at
> java.io.ObjectInputStream.readNonPrimitiveContent(ObjectInputStream.java:929)
>
> E/AndroidRuntime(29977): at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:2285)
>
> E/AndroidRuntime(29977): at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:2240)
>
> E/AndroidRuntime(29977): at
> com.ts.DBconnector.execPackageByPath(DBconnector.java:219)
>
> E/AndroidRuntime(29977): at
> com.first.FirstActivity.onCreate(FirstActivity.java:77)
>
> E/AndroidRuntime(29977): at
> android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
>
> E/AndroidRuntime(29977): at
> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
>
> E/AndroidRuntime(29977): at
> android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
>
> E/AndroidRuntime(29977): at
> android.app.ActivityThread.access$2300(ActivityThread.java:125)
>
> E/AndroidRuntime(29977): at
> android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
>
> E/AndroidRuntime(29977): at
> android.os.Handler.dispatchMessage(Handler.java:99)
>
> E/AndroidRuntime(29977): at android.os.Looper.loop(Looper.java:123)
>
> E/AndroidRuntime(29977): at
> android.app.ActivityThread.main(ActivityThread.java:4627)
>
> E/AndroidRuntime(29977): at
> java.lang.reflect.Method.invokeNative(Native Method)
>
> E/AndroidRuntime(29977): at
> java.lang.reflect.Method.invoke(Method.java:521)
>
> E/AndroidRuntime(29977): at
> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
>
> E/AndroidRuntime(29977): at
> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
>
> E/AndroidRuntime(29977): at dalvik.system.NativeStart.main(Native
> Method)
>
>
>
>
>
>
> ------------------------------
>
> *From:* rules-users-bounces at lists.jboss.org [mailto:
> rules-users-bounces at lists.jboss.org] *On Behalf Of *Michael Anstis
> *Sent:* Thursday, June 09, 2011 4:51 PM
>
>
> *To:* Rules Users List
> *Subject:* Re: [rules-users] Drools in non-eclipse environment
>
>
>
> Great news :)
>
> Please do feedback... if you get it working I'll make a blog entry on your
> behalf as you are not the first (or last) to try Drools on Android.
>
> With kind regards,
>
> Mike
>
> 2011/6/9 Abhay B. Chaware <Abhay.Chaware at kpitcummins.com>
>
> That’s exactly what I am trying out at the moment .. option – b.
> Pre-compile, serialize and unserialize …I’ll share the results.
>
> Also rule file’s there at the location mentioned. So that’s not a problem.
>
> I’ve gone through the blog you mentioned … and as you indicated, it’s only
> jbpm .. no rules …
>
>
>
> thanks
>
> abhay
> ------------------------------
>
> *From:* rules-users-bounces at lists.jboss.org [mailto:
> rules-users-bounces at lists.jboss.org] *On Behalf Of *Michael Anstis
> *Sent:* Thursday, June 09, 2011 4:07 PM
>
>
> *To:* Rules Users List
> *Subject:* Re: [rules-users] Drools in non-eclipse environment
>
>
>
> Preparing to be shouted down, but isn't it impossible to compile DRL on
> Android and the suggestion is to load pre-serialised KnowledgeBases?
>
> Also, as another observation, are you sure the DRL was indeed found and the
> NPE is not caused by
> "com.ts.DBconnector.readKnowledgeBase(DBconnector.java:143)" perhaps passing
> a null to KnowledgeBuilder?
>
> Have you looked at
> http://blog.athico.com/2011/03/jbpm5-lightweight-running-on-android.html,
> which might give some pointers - although it is only jBPM and not rules
> themselves.
>
> With kind regards,
>
> Mike
>
> On 9 June 2011 11:11, Abhay B. Chaware <Abhay.Chaware at kpitcummins.com>
> wrote:
>
> This is what I did.
>
> Properties properties = new Properties();
> properties.put("drools.dialect.java.compiler", "JANINO");
> KnowledgeBuilderConfiguration kbConfig =
> KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration( properties,
> (ClassLoader[]) null );
> KnowledgeBuilder kbuilder =
> KnowledgeBuilderFactory.newKnowledgeBuilder(kbConfig);
>
> kbuilder.add(ResourceFactory.newInputStreamResource(is),
> ResourceType.DRL);
>
> I am getting same error with KnowledgeBuilderConfiguration ..
>
> W/System.err(27303): java.lang.NullPointerException
> W/System.err(27303): at
> org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:47)
> W/System.err(27303): at
> org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:1161)
> W/System.err(27303): at
> org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:637)
> W/System.err(27303): at
> org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:267)
> W/System.err(27303): at
> org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:459)
> W/System.err(27303): at
> org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)
> W/System.err(27303): at
> com.ts.DBconnector.readKnowledgeBase(DBconnector.java:143)
> W/System.err(27303): at
> com.first.FirstActivity.onCreate(FirstActivity.java:64)
> W/System.err(27303): at
> android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
> W/System.err(27303): at
> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
> W/System.err(27303): at
> android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
> W/System.err(27303): at
> android.app.ActivityThread.access$2300(ActivityThread.java:125)
>
>
> ________________________________________
> From: rules-users-bounces at lists.jboss.org [
> rules-users-bounces at lists.jboss.org] On Behalf Of Wolfgang Laun [
> wolfgang.laun at gmail.com]
> Sent: Thursday, June 09, 2011 2:46 PM
>
> To: Rules Users List
> Subject: Re: [rules-users] Drools in non-eclipse environment
>
> You might try this:
>
> Properties props = new Properties();
> props.put( "drools.dialect.java.compiler", "JANINO" );
>
> KnowledgeBuilderConfiguration kbConfig =
> KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration( props,
> (ClassLoader[]) null );
>
> Requires the janino jar in your classpath, which I have as
> ~/.m2/repository/janino/janino/2.5.15/janino-2.5.15.jar
>
> -W
>
> On 9 June 2011 10:29, Abhay B. Chaware <Abhay.Chaware at kpitcummins.com
> <mailto:Abhay.Chaware at kpitcummins.com>> wrote:
> I am using drools 5.1.0
>
> Let me explain what I am trying to do. I am trying to write a drools app
> on to android platform. In my app, I have added following jars in the
> application classpath -
>
> antlr-runtime.jar
> drools-api.jar
> drools-compiler.jar
> drools-core.jar
> mvel2.jar
>
> Do I need any other jar files ?
>
> upon drilling down into the Null Pointer Exception, it appears that it is
> throwing NPE at following line inside RuleBuilder.java
>
>
> RuleConditionBuilder builder =
> (RuleConditionBuilder)context.getDialect().getBuilder(ruleDescr.getLhs().getClass());
>
> and on further drilling, I found that "context.getDialect()" is retuning
> NULL.
>
> Then I put some debug inside PackageBuilder.java
>
> upon drilling down for the error, found out that it is not able to set the
> context's dialect.
> ctr.getDialect(pkgRegistry.getDialect()) gives "null" ...
>
> DialectCompiletimeRegistry ctr =
> pkgRegistry.getDialectCompiletimeRegistry();
> RuleBuildContext context = new RuleBuildContext(this, ruleDescr, ctr, pkg,
> ctr.getDialect(pkgRegistry.getDialect()));
>
> Is there any default setting /configuration that I am obviously missing ?
>
> what could be the problem ?
>
> -abhay
>
>
> ________________________________________
>
> From: rules-users-bounces at lists.jboss.org<mailto:
> rules-users-bounces at lists.jboss.org> [rules-users-bounces at lists.jboss.org
> <mailto:rules-users-bounces at lists.jboss.org>] On Behalf Of Swindells,
> Thomas [TSwindells at nds.com<mailto:TSwindells at nds.com>]
>
> Sent: Thursday, June 09, 2011 1:40 PM
> To: Rules Users List
> Subject: Re: [rules-users] Drools in non-eclipse environment
>
> Which version of drools is this?
> For drools 5.0.1 we just use maven to resolve the dependencies for us and
> it works fine. I can't obviously see any eclipse compiler in the jars that
> we distribute with our application.
>
> Thomas
>
> > -----Original Message-----
>
> > From: rules-users-bounces at lists.jboss.org<mailto:
> rules-users-bounces at lists.jboss.org> [mailto:rules-users-<mailto:
> rules-users->
> > bounces at lists.jboss.org<mailto:bounces at lists.jboss.org>] On Behalf Of
> Abhay B. Chaware
>
> > Sent: 09 June 2011 08:06
>
> > To: rules-users at lists.jboss.org<mailto:rules-users at lists.jboss.org>
>
> > Subject: [rules-users] Drools in non-eclipse environment
> >
> > Has anyone tried using drools in non-eclipse env ? meaning that
> > org.eclipse.jdt.core_3.5.1.v_972_R35x.jar is not in the classpath ?
> >
> > Documentation says this :
> >
> > (http://docs.huihoo.com/drools/4.0.7/ch02s05.html)
> >
> > if you do not have Eclipse JDT Core in your classpath you must override
> the
> > compiler setting before you instantiate this PackageBuilder, you can
> either
> > do that with a packagebuilder properties file the ChainedProperties class
> will
> > find, or you can do it programmatically as shown below; note this time I
> use
> > properties to inject the value for startup.
> >
> > They also provide an example, but I am not able to figure out exactly how
> to
> > use this example/info.
> >
> > Here is my code :
> >
> > KnowledgeBuilder kbuilder =
> > KnowledgeBuilderFactory.newKnowledgeBuilder();
> > kbuilder.add(ResourceFactory.newInputStreamResource(is),
> > ResourceType.DRL);
> >
> > where "is" is input stream containing the rule file ( .drl)
> >
> > How do I override the compiler setting ?
> >
> > I am getting a null pointer exception ( see below ) and I suspect that
> > overriding the packagebuilderconfiguration will fix it ?
> >
> > W/System.err(25511): java.lang.NullPointerException
> > W/System.err(25511): at
> > org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:47)
> > W/System.err(25511): at
> > org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:1161)
> > W/System.err(25511): at
> > org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:637)
> > W/System.err(25511): at
> > org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java
> > :267)
> > W/System.err(25511): at
> > org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder
> > .java:459)
> > W/System.err(25511): at
> > org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.ja
> > va:28)
> > W/System.err(25511): at
> > com.ts.DBconnector.readKnowledgeBase(DBconnector.java:146)
> >
> >
> >
> > _______________________________________________
> > rules-users mailing list
>
> > rules-users at lists.jboss.org<mailto:rules-users at lists.jboss.org>
>
> > https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
> **************************************************************************************
>
> This message is confidential and intended only for the addressee. If you
> have received this message in error, please immediately notify the
> postmaster at nds.com<mailto:postmaster at nds.com> and delete it from your
> system as well as any copies. The content of e-mails as well as traffic data
> may be monitored by NDS for employment and security purposes. To protect the
> environment please do not print this e-mail unless necessary.
>
>
> NDS Limited. Registered Office: One London Road, Staines, Middlesex, TW18
> 4EX, United Kingdom. A company registered in England and Wales. Registered
> no. 3080780. VAT no. GB 603 8808 40-00
>
> **************************************************************************************
>
> _______________________________________________
> rules-users mailing list
>
> rules-users at lists.jboss.org<mailto:rules-users at lists.jboss.org>
>
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
> _______________________________________________
> rules-users mailing list
>
> rules-users at lists.jboss.org<mailto:rules-users at lists.jboss.org>
>
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
>
> This message contains information that may be privileged or confidential
> and is the property of the KPIT Cummins Infosystems Ltd. It is intended only
> for the person to whom it is addressed. If you are not the intended
> recipient, you are not authorized to read, print, retain copy, disseminate,
> distribute, or use this message or any part thereof. If you receive this
> message in error, please notify the sender immediately and delete all copies
> of this message. KPIT Cummins Infosystems Ltd. does not accept any liability
> for virus infected mails.
>
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
>
> This message contains information that may be privileged or confidential
> and is the property of the KPIT Cummins Infosystems Ltd. It is intended only
> for the person to whom it is addressed. If you are not the intended
> recipient, you are not authorized to read, print, retain copy, disseminate,
> distribute, or use this message or any part thereof. If you receive this
> message in error, please notify the sender immediately and delete all copies
> of this message. KPIT Cummins Infosystems Ltd. does not accept any liability
> for virus infected mails.
>
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
>
> This message contains information that may be privileged or confidential
> and is the property of the KPIT Cummins Infosystems Ltd. It is intended only
> for the person to whom it is addressed. If you are not the intended
> recipient, you are not authorized to read, print, retain copy, disseminate,
> distribute, or use this message or any part thereof. If you receive this
> message in error, please notify the sender immediately and delete all copies
> of this message. KPIT Cummins Infosystems Ltd. does not accept any liability
> for virus infected mails.
>
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
> This message contains information that may be privileged or confidential
> and is the property of the KPIT Cummins Infosystems Ltd. It is intended only
> for the person to whom it is addressed. If you are not the intended
> recipient, you are not authorized to read, print, retain copy, disseminate,
> distribute, or use this message or any part thereof. If you receive this
> message in error, please notify the sender immediately and delete all copies
> of this message. KPIT Cummins Infosystems Ltd. does not accept any liability
> for virus infected mails.
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20110616/50488eaf/attachment.html
More information about the rules-users
mailing list