[rules-users] Drools Timers
Hey Guys, I am trying to use to use the timer in the rule, but I don't fully understand it. I have a simple rule which says rule Test timer(int: 1s) when Something() then System.out.println(Something Happens); end And I insert 100 Someting() object, after 1 second I see 100 activations. - Can I do with the timer something like run this rule once per minute for example? - When does the timer start to run? Thanks in advance, Demian ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] Question about length windows
Hi Guys, I have one question about how lenght windows will work. I have a rule like this. Basically, it is a crosses function, where the value of my object crosses a value. rule mytest dialect mvel when t2_1 : Tick( value 102.352 ) over window:length (1) t1_1 : Tick( this before t2_1 , value = 102.352 ) over window:length (2) then //DO SOMETHING end 23:51:32,150 INFO [org.drools.core.audit.WorkingMemoryConsoleLogger] (Camel (camel-1) thread #2 - JmsConsumer[]) ACTIVATION FIRED rule:mytest activationId:berarrr_1 [0, 27, 26] declarations: t2_1=Tick [value=102.351, tickTime=Fri May 02 05:51:31 ART 2014](27); t1_1=Tick [value=102.352, tickTime=Fri May 02 05:51:12 ART 2014](26) 23:53:30,560 INFO [org.drools.core.audit.WorkingMemoryConsoleLogger] (Camel (camel-1) thread #2 - JmsConsumer[]) ACTIVATION CREATED rule:mytest activationId:berarrr_1 [0, 146, 26] declarations: t2_1=Tick [value=102.349, tickTime=Fri May 02 05:53:30 ART 2014](146); t1_1=Tick [value=102.352, tickTime=Fri May 02 05:51:12 ART 2014](26) If you see, the first activation, the window:length(1), matched the object 27 window:length(2), matched the object 26 Then, after 2 minutes and some Ticks insertes in the WM window:length(1), matched the object 146 but window:length(2), still matched the object 26 I would expect, that, as object 26 was the first one to be inserted, then it is outside the window:length(2). Is my understanding correct? Am I making something wrong? I am using Drools 6. Thanks! Demian ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] Guvnor JCR repository
Hi Guys, I am using Guvnor 5.5. For moving packages between environments, I am doing an export, and then import in the new package. I have a lof of assets in each package. I am using the DB storage for the jcr repository. After some months, the DB has grown a LOT! (like 3.5GB). Is there a way regularly clean the JCR history, or maybe disable JCR history as we are not using it at all? These are the steps I did to remove the history and seems to work fine. Does is seem safe? Is there a better way? 1. Export the entire repository via guvor. 2. Delete all the packages. 3. Stop tomact 4. truncate the following guvnor tables: a. Pm_ws_default_binval b. Pm_ws_default_bundel c. Versioning_pm_binval d. Versioning_pm_bundle 5. Restated tomcat 6. Import what I exported on step #1 Thanks! Demian ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] Problem when creating KieModuleModel
Hi Guys! I am having a problem using drools 6 in my project. And I was able to reproduce it in one of the examples.. I just got this example: https://github.com/droolsjbpm/drools/tree/master/drools-examples-api/kiemodulemodel-example built the 2 dependant projects, kiebase inclusion and namedkiesession. Then, run the org.drools.example.api.kiemodulemodel.KieModuleModelExample in my eclipse, and I get the following: SLF4J: Failed to load class org.slf4j.impl.StaticLoggerBinder. SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. Exception in thread main java.lang.NullPointerException at org.drools.compiler.kie.builder.impl.KieBuilderImpl.generateKieModuleMetaInfo(KieBuilderImpl.java:222) at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:194) at org.drools.example.api.kiemodulemodel.KieModuleModelExample.go(KieModuleModelExample.java:39) at org.drools.example.api.kiemodulemodel.KieModuleModelExample.main(KieModuleModelExample.java:63) Exactly the same happens when I do the same in my project. Any ideas? Thanks! Demian ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Problem when creating KieModuleModel
Thanks Mark, very instructive. On Wed, Jan 15, 2014 at 5:21 PM, Mark Proctor mproc...@codehaus.org wrote: http://bit.ly/1eKm7lC Mark On 15 Jan 2014, at 19:35, Demian Calcaprina calcacue...@gmail.com wrote: Hi Guys! I am having a problem using drools 6 in my project. And I was able to reproduce it in one of the examples.. I just got this example: https://github.com/droolsjbpm/drools/tree/master/drools-examples-api/kiemodulemodel-example built the 2 dependant projects, kiebase inclusion and namedkiesession. Then, run the org.drools.example.api.kiemodulemodel.KieModuleModelExample in my eclipse, and I get the following: SLF4J: Failed to load class org.slf4j.impl.StaticLoggerBinder. SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. Exception in thread main java.lang.NullPointerException at org.drools.compiler.kie.builder.impl.KieBuilderImpl.generateKieModuleMetaInfo(KieBuilderImpl.java:222) at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:194) at org.drools.example.api.kiemodulemodel.KieModuleModelExample.go(KieModuleModelExample.java:39) at org.drools.example.api.kiemodulemodel.KieModuleModelExample.main(KieModuleModelExample.java:63) Exactly the same happens when I do the same in my project. Any ideas? Thanks! Demian ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] Problem with declare event
Hey Guys, I am having a drools compilation error when declaring an error. I tried to isolate this as much as possible. https://github.com/droolsjbpm/drools/blob/master/drools-compiler/src/test/java/org/drools/compiler/integrationtests/IncrementalCompilationTest.java#L43 I just added after the given line, this: header = header + declare Message\n + @role(event) \n + end \n ; And I get this exception: java.lang.NullPointerException at java.io.FilterOutputStream.write(FilterOutputStream.java:97) at org.drools.compiler.compiler.io.memory.MemoryFileSystem.writeJarEntries(MemoryFileSystem.java:437) at org.drools.compiler.compiler.io.memory.MemoryFileSystem.writeJarEntries(MemoryFileSystem.java:430) at org.drools.compiler.compiler.io.memory.MemoryFileSystem.writeJarEntries(MemoryFileSystem.java:430) at org.drools.compiler.compiler.io.memory.MemoryFileSystem.writeJarEntries(MemoryFileSystem.java:430) at org.drools.compiler.compiler.io.memory.MemoryFileSystem.zip(MemoryFileSystem.java:387) at org.drools.compiler.compiler.io.memory.MemoryFileSystem.writeAsBytes(MemoryFileSystem.java:365) at org.drools.compiler.kie.builder.impl.MemoryKieModule.getBytes(MemoryKieModule.java:64) at org.drools.compiler.CommonTestMethodBase.createKJar(CommonTestMethodBase.java:421) at org.drools.compiler.integrationtests.IncrementalCompilationTest.createAndDeployJar(IncrementalCompilationTest.java:205) at org.drools.compiler.integrationtests.IncrementalCompilationTest.testLoadOrderAfterRuleRemoval(IncrementalCompilationTest.java:70) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Any idea on how to declare an event on the drl? Thanks! Demian ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] What is the rest API to modify the import setting of a package in Guvnor?
yup, by updating the drools asset I was meaning a PUT to the drools asset :) On Thu, Jan 9, 2014 at 10:38 PM, LeonJi whathappe...@gmail.com wrote: Thank you. With put method to http://host:port /guvnor/rest/packages/samplePackage/assets/drools/source, it resolve my problem perfectly. calcacuervo wrote I think you have to do it manually, updating the drools asset from the package. About pointing to the global area, I have not found a way to do it through the REST API. Demian -- View this message in context: http://drools.46999.n3.nabble.com/What-is-the-rest-API-to-modify-the-import-setting-of-a-package-in-Guvnor-tp4027621p4027638.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] Two Guvnor instances sharing repository
Hi Guys, I have two guvnor instances. They are using a mysql db repository. I would like both to point to the same database. I configured them both to use the same database in the repository.xml, but it starting throwing errors and they were not in sync. Errors are like this 11:43:29,597 WARN [com.arjuna.ats.arjuna] (Transaction Reaper) ARJUNA012117: TransactionReaper::check timeout for TX 0:7f000101:55ee0fc5:527e486a:3f in state RUN 11:43:29,599 WARN [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012095: Abort of action id 0:7f000101:55ee0fc5:527e486a:3f invoked while multiple threads active within it. 11:43:29,601 WARN [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012108: CheckedAction::check - atomic action 0:7f000101:55ee0fc5:527e486a:3f aborting with 1 threads active! 11:43:29,602 WARN [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012121: TransactionReaper::doCancellations worker Thread[Transaction Reaper Worker 0,5,main] successfully canceled TX 0:7f000101:55ee0fc5:527e486a:3f 11:44:37,245 INFO [org.apache.jackrabbit.core.query.lucene.IndexMerger] (jackrabbit-pool-5) merged 791 documents in 568 ms into _p. 11:44:37,377 INFO [org.apache.jackrabbit.core.query.lucene.IndexMerger] (jackrabbit-pool-2) merged 1370 documents in 709 ms into _o. 11:48:07,300 WARN [org.jboss.seam.transaction.TransactionServletListener] (http--127.0.0.1-8080-5) Error starting the transaction: javax.transaction.NotSupportedException: BaseTransaction.checkTransactionState - ARJUNA016051: thread is already associated with a transaction! at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.begin(BaseTransaction.java:63) at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.begin(BaseTransactionManagerDelegate.java:65) at org.jboss.tm.usertx.client.ServerVMClientUserTransaction.begin(ServerVMClientUserTransaction.java:142) at org.jboss.seam.transaction.UTTransaction.begin(UTTransaction.java:51) [seam-transaction-3.1.0.Final.jar:3.1.0.Final] at org.jboss.seam.transaction.DefaultSeamTransaction.begin(DefaultSeamTransaction.java:88) [seam-transaction-3.1.0.Final.jar:3.1.0.Final] at org.jboss.seam.transaction.TransactionServletListener.requestInitialized(TransactionServletListener.java:110) [seam-transaction-3.1.0.Final.jar:3.1.0.Final] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.13.Final.jar:] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.13.Final.jar:] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.13.Final.jar:] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671) [jbossweb-7.0.13.Final.jar:] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930) [jbossweb-7.0.13.Final.jar:] at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_21] Caused by: java.lang.IllegalStateException: BaseTransaction.checkTransactionState - ARJUNA016051: thread is already associated with a transaction! at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.checkTransactionState(BaseTransaction.java:257) at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.begin(BaseTransaction.java:59) ... 13 more I also tried both instances to also share the repository folder, both this is failing because it lockes the file Caused by: javax.jcr.RepositoryException: The repository home /home/calcacuervo/development appears to be in use since the file named .lock is locked by another process. at org.apache.jackrabbit.core.util.RepositoryLock.tryLock(RepositoryLock.java:166) Any idea on how could I do it? Thanks! Demian ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Rule Example
It would be nice if you can put some of your requirements here. So that people who has similar requirements may benefit for the discussion.. Regards, Demian On Thu, Nov 7, 2013 at 8:28 AM, chakez30 dspecialis...@yahoo.com wrote: rule if you have nothing good to say when Response( information == Bully) then System.out.println(Just shut up.); end -- View this message in context: http://drools.46999.n3.nabble.com/Rule-Example-tp4026674p4026676.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] News from the community - 5.6.0.CR1 is out!
Thanks a lot Davide! This is really nice. We will be using it soon and let the community know if we find something to report. Thanks again, Demian On Fri, Nov 1, 2013 at 6:04 PM, Davide Sottara dso...@gmail.com wrote: Finally Drools 5.6.0.CR1 community edition has been released! It has been mainly a community effort, driven by the use of Drools in several applications and research projects, but it was possible thanks to the collaboration of the main developer's team and the help of everybody who reported bugs, asked for new features and contributed with patches or additions. 5.6 consolidates and finalizes the 5.x series. It comes with a number of bug fixes and a still experimental, but much more robust, second generation trait system - I will blog and document it as soon as I can find a moment next week. The release is candidate to allow for some broader testing by the community without requiring to download and compile the code. If no major issues are reported, it will become Final in a few weeks. Let's keep sharing, looking forward to even more exciting innovations in the 6.x series! Best Davide ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Help on writing a rule
Yes! I receive many price change events.. but, as I am using window length = 1, I would expect to have the activation cancelled for the previous one? I am not sure how to express this: when there is some price change, and some signal, and there has not been any order over the last minute, then place an order The price change and signal are like existence facts.. If there is some price change change.. if there is some signal ... Would this be another way to achieve what I am trying to do? Thanks, Demian PS: This is a simple rule, but then, the idea is to have more complex rules.. like, if there has been 10 signals in the last time, place an order, etc. On Tue, Oct 22, 2013 at 5:40 PM, Davide Sottara dso...@gmail.com wrote: Am I wrong or do you have two PriceChange events - 392 and 394 ? If so, you can expect two activations.. when you fire al rules, one of the two will insert the OrderCreated, which in turn will cancel the other On 10/22/2013 01:34 PM, calcacuervo wrote: Hi Guys. I have one quesiton on how could I implement my rule. I have this rule: when t : PriceChange() over window:length(1) signal : Signal( id == 1234 ) over window:length(1) not OrderCreated( id == 1234 ) over window:time (1m) then insert(new OrderCreated(1234)); Basically, when there is some signal and some price change, create a new order if there has no been any other order in the last minute. But this sometimes is being fired twice: 12:31:01,121 INFO [org.drools.audit.WorkingMemoryConsoleLogger] (Camel (camel-1) thread #4 - JmsConsumer[marketDataTopic]) ACTIVATION CREATED rule:ertetr activationId:ertetr [393, 392, 0] declarations: t=PriceChange [](392); signal=Signal@1413ddef(393) 12:31:01,160 INFO [org.drools.audit.WorkingMemoryConsoleLogger] (Camel (camel-1) thread #4 - JmsConsumer[marketDataTopic]) ACTIVATION CREATED rule:ertetr activationId:ertetr [393, 394, 0] declarations: t=PriceChange [](394); signal=Signal@1413ddef(393) I think that, when the 1m window have passed, it creates twice the activations, as I have not called fire all rules yet. Does is make sense? Do you have some idea on how could I implement this rule? when there has been some price change and some signal, and I did not create a new order in the last minute, just create a new order. Thanks in advance! Demian -- View this message in context: http://drools.46999.n3.nabble.com/Help-on-writing-a-rule-tp4026461.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Help on writing a rule
Mauricio, In fact, I used to have this and the price change without window:length.. but when t : PriceChange() signal : Signal( id == 1234 ) not OrderCreated( id == 1234 ) over window:time (1m) But this will cause more and more duplicates orders (and it have sense!). I added the length window to 1, as I would only like to create an order if there is some signal in the window, it can place an order.. On Tue, Oct 22, 2013 at 5:42 PM, Mauricio Salatino sala...@gmail.comwrote: Just curious here, why do you have this - signal : Signal( id == 1234 ) over window:length(1)? On Tue, Oct 22, 2013 at 9:40 PM, Davide Sottara dso...@gmail.com wrote: Am I wrong or do you have two PriceChange events - 392 and 394 ? If so, you can expect two activations.. when you fire al rules, one of the two will insert the OrderCreated, which in turn will cancel the other On 10/22/2013 01:34 PM, calcacuervo wrote: Hi Guys. I have one quesiton on how could I implement my rule. I have this rule: when t : PriceChange() over window:length(1) signal : Signal( id == 1234 ) over window:length(1) not OrderCreated( id == 1234 ) over window:time (1m) then insert(new OrderCreated(1234)); Basically, when there is some signal and some price change, create a new order if there has no been any other order in the last minute. But this sometimes is being fired twice: 12:31:01,121 INFO [org.drools.audit.WorkingMemoryConsoleLogger] (Camel (camel-1) thread #4 - JmsConsumer[marketDataTopic]) ACTIVATION CREATED rule:ertetr activationId:ertetr [393, 392, 0] declarations: t=PriceChange [](392); signal=Signal@1413ddef(393) 12:31:01,160 INFO [org.drools.audit.WorkingMemoryConsoleLogger] (Camel (camel-1) thread #4 - JmsConsumer[marketDataTopic]) ACTIVATION CREATED rule:ertetr activationId:ertetr [393, 394, 0] declarations: t=PriceChange [](394); signal=Signal@1413ddef(393) I think that, when the 1m window have passed, it creates twice the activations, as I have not called fire all rules yet. Does is make sense? Do you have some idea on how could I implement this rule? when there has been some price change and some signal, and I did not create a new order in the last minute, just create a new order. Thanks in advance! Demian -- View this message in context: http://drools.46999.n3.nabble.com/Help-on-writing-a-rule-tp4026461.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users -- - MyJourney @ http://salaboy.com http://salaboy.wordpress.com - Co-Founder @ http://www.jugargentina.org - Co-Founder @ http://www.jbug.com.ar - Salatino Salaboy Mauricio - ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] AfterEvaluatorDefinition NullPointer Exception in deserialized ksession
Hey Alexander, Would this be related to this? https://issues.jboss.org/browse/DROOLS-243 If it is this one, you can do something like this as a workaround before constructing the KBase: Operator op = BeforeEvaluatorDefinition.BEFORE; Operator op = AfterEvaluatorDefinition.AFTER; This will cause the evaluation definition to be put in memory. Hope this helps! Demian On Fri, Oct 11, 2013 at 9:21 AM, Alexander Wolf m...@alexander-wolf.netwrote: [Drools 5.5.0 Final] I wrote a webserver that keeps StatefulKnowledgeSessions running in Stream mode. When the server is stopped, the sessions are serialized and stored in a database. When the server is restarted, the existing sessions are restored / deserialized. Some time after recreating the session and inserting some events I get the following exception: java.lang.NullPointerException: null at org.drools.base.evaluators.AfterEvaluatorDefinition$AfterEvaluator.evaluateCachedLeft(AfterEvaluatorDefinition.java:351) ... Apparently the exception seems to be related to a rule that uses temporal reasoning. After getting it once, the session seems to be corrupt - from now on every time I call ksession.insert(event) the same exception occurs. When I serialize the session and attempt to deserialize it, I get a long stack trace -- I can not deserialize it anymore. (as apparently it is corrupted). When I run the server with the same events/sessions without stopping (serialization/deserialization) the exception does not occur) Can I do anything to prevent this behaviour? I thought maybe the after timer/trigger is somehow still active when I serialize the ksession. I tried ksession.halt() before serialization, but with no effect. Any ideas? ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] AfterEvaluatorDefinition NullPointer Exception in deserialized ksession
Yes.. but you can include these two lines before this, to check. Operator op = BeforeEvaluatorDefinition.BEFORE; Operator op = AfterEvaluatorDefinition.AFTER; The problem in that, for example, for the before, https://github.com/droolsjbpm/drools/blob/5.5.x/drools-core/src/main/java/org/drools/base/evaluators/BeforeEvaluatorDefinition.java#L82 If you don-t mention not use this class before trying to unmarshall it, the operator is not added to the operators registry, and thus NPE is thrown. public static final Operator BEFORE= Operator.addOperatorToRegistry( before, false ); In the ticket I included a patch to fix it, I have one thing pending to add to the pull request in order to be ready to be merged. But the workaround of just mentioning the evaluator definitions so they are added to the operators list, before doing the unmarshall, has worked for me. Thanks, Demian Demian On Fri, Oct 11, 2013 at 12:09 PM, Alexander Wolf m...@alexander-wolf.netwrote: Hey Demian, thank you! This might actually be related. But how do I get the reference to these Operators to (re)set them? This is my unmarshalling code (pretty simple and basic..): ByteArrayInputStream bais = new ByteArrayInputStream( serializedKnowledgeBase); ObjectInputStream ois = new ObjectInputStream(bais); kbase = (KnowledgeBase)ois.readObject(); Marshaller marshaller = MarshallerFactory.newMarshaller(kbase); ByteArrayInputStream bais2 = new ByteArrayInputStream( serializedKnowledgeSession); knowledgeSession = marshaller.unmarshall(bais2); Also: Is this going to be fixed in 5.6.0 ? (@Mark Proctor?) - Alex On 11.10.2013, at 16:09, Demian Calcaprina calcacue...@gmail.com wrote: Hey Alexander, Would this be related to this? https://issues.jboss.org/browse/DROOLS-243 If it is this one, you can do something like this as a workaround before constructing the KBase: Operator op = BeforeEvaluatorDefinition.BEFORE; Operator op = AfterEvaluatorDefinition.AFTER; This will cause the evaluation definition to be put in memory. Hope this helps! Demian On Fri, Oct 11, 2013 at 9:21 AM, Alexander Wolf m...@alexander-wolf.netwrote: [Drools 5.5.0 Final] I wrote a webserver that keeps StatefulKnowledgeSessions running in Stream mode. When the server is stopped, the sessions are serialized and stored in a database. When the server is restarted, the existing sessions are restored / deserialized. Some time after recreating the session and inserting some events I get the following exception: java.lang.NullPointerException: null at org.drools.base.evaluators.AfterEvaluatorDefinition$AfterEvaluator.evaluateCachedLeft(AfterEvaluatorDefinition.java:351) ... Apparently the exception seems to be related to a rule that uses temporal reasoning. After getting it once, the session seems to be corrupt - from now on every time I call ksession.insert(event) the same exception occurs. When I serialize the session and attempt to deserialize it, I get a long stack trace -- I can not deserialize it anymore. (as apparently it is corrupted). When I run the server with the same events/sessions without stopping (serialization/deserialization) the exception does not occur) Can I do anything to prevent this behaviour? I thought maybe the after timer/trigger is somehow still active when I serialize the ksession. I tried ksession.halt() before serialization, but with no effect. Any ideas? ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Guvnor REST api, compile package
About 1, .../rest/packages/{packageName}/binary will triger the compile and
then return the PKG. But not sure what will happen if the compilation
fails.. you can try!
From the documentation:
Returns the compiled binary of the package {packageName} as a binary
stream. If the package has not been compiled yet or its binary is not up to
date, this will compile the package first.
On Wed, Sep 4, 2013 at 8:06 PM, anchi harij...@ovi.com wrote:
Ok, I somehow managed to resolve question 3 and 3.a. But questions 1. and
2.
remain, please point me to the right direction.
What I need is to build a package and if build was successful then create a
new snapshot.
My problem is how to build a package?
I found out that creating a new snapshot by calling
.../rest/packages/{packageName}/snapshot/{snapshotName} *sometimes*
triggers
package build. But I cannot figure out how is this determined?
What I've found out is:
1. Approach that doesn't work:
- update package version by sending modified package metadata to
.../rest/packages/{packageName} (I basically just change package
description)
- then trigger creation of new snapshot with REST request
It does not compile the package
2. Approach that works:
- click Save in Guvnor console (which changes package version)
- then trigger creation of new snapshot with REST request
Package is compiled
So where is the catch? How can I make sure that package is built before
creating a snapshot?
I don't really see a point of having a REST interface if it still requires
to use Guvnor console for being able to use a knowledge base packages
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Re: [rules-users] Problem with PKG from guvnor
Thanks Genene.
In fact I was able to get the cause of my issue. I created a ticket with
the explanation and a pull request with a possible solution.
https://issues.jboss.org/browse/DROOLS-243
Thanks,
Demian
On Tue, Aug 27, 2013 at 12:26 PM, Genene Geda gg...@ghx.com wrote:
Hi-,
I think I had similar issue and resolved by looking at one of these:
1. How the changes set is loaded:
Resource changeset = ResourceFactory.newFileResource(changeSetFilePath);
//.newClassPathResource(changeSetPath);
2.If the package not yet built, In GUVNOR, I go to 'knowledgebase'/ click
on you package/click on the 'edit' tab on the right/ click build package (
I also do create snapshot but may not be necessary ).
See if it helps.
G-
-Original Message-
From: rules-users-boun...@lists.jboss.org [mailto:
rules-users-boun...@lists.jboss.org] On Behalf Of calcacuervo
Sent: Monday, August 26, 2013 10:26 PM
To: rules-users@lists.jboss.org
Subject: [rules-users] Problem with PKG from guvnor
Hi Guys,
I am having a problem using Drools 5.5.
Basically, I have a ksession in stream mode.
I have a rule with an event, like this
when
myfact: EventA( main 21 ) over window:length (1)
myfact2 : EventA( main = 21 , this before myfact ) over
window:length (2)
I also use a KnowledgeAgent and apply a changeset.
If I declare this rule directly from the changeset, as a Classpath
resource, with resource type DRL, it seems to work fine (the kbase
compiles!).
But If I have the rule in a guvnor package, and I put the PKG link in my
changeset, I am getting an error:
Caused by: java.lang.NullPointerException
at
org.drools.base.evaluators.BeforeEvaluatorDefinition$BeforeEvaluator.getInterval(BeforeEvaluatorDefinition.java:268)
[drools-core-5.5.0.Final.jar:5.5.0.Final]
at
org.drools.rule.constraint.EvaluatorConstraint.getInterval(EvaluatorConstraint.java:100)
[drools-core-5.5.0.Final.jar:5.5.0.Final]
at
org.drools.reteoo.builder.BuildUtils.gatherTemporalRelationships(BuildUtils.java:326)
[drools-core-5.5.0.Final.jar:5.5.0.Final]
at
org.drools.reteoo.builder.BuildUtils.calculateTemporalDistance(BuildUtils.java:292)
[drools-core-5.5.0.Final.jar:5.5.0.Final]
at
org.drools.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.java:119)
[drools-core-5.5.0.Final.jar:5.5.0.Final]
at org.drools.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:113)
[drools-core-5.5.0.Final.jar:5.5.0.Final]
at
org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:445)
[drools-core-5.5.0.Final.jar:5.5.0.Final]
It seems that that getOperator() is null in this evaluation:
if ( this.getOperator().isNegated() ) {
I debugged a bit, and it seems the evaluator comes in serialized from
guvnor's package.But in case of getting directly the classpath resource, it
compiles the package and it gets the real operator ok (Operator = 'before')
Do you have any idea of why it could be happening? May I be doing
something wrong? Is this a bug in guvnor?
Thanks in advance!
Demian
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[rules-users] Problem with Guvnor using Rest API
Hey Guys. I am using guvnor 5.5.0.Final. I am accesing to from another app using the REST API. I am currently having a problem. I create a new package, sending a post to guvnor/rest/packages/, sending it an xml version of PackageMetadata. Then, I create assets (drl files), by sending a post to guvnor/rest/packages/ + packageName + /asset, with the drl contents. This works fine. The problem in with package building. I read somewhere that it is automatically built when you create a new asset or update one. But just after creating the package, I go to the package url, the one I configure in the changeset, localhost:8080/guvnor/org.drools.guvnor.Guvnor/package/mypackage/LATEST, and I get a NPE, java.lang.NullPointerException java.io.OutputStream.write(OutputStream.java:75) org.drools.guvnor.server.files.FileManagerService.loadBinaryPackage(FileManagerService.java:201) org.drools.guvnor.server.files.FileManagerService$Proxy$_$$_WeldClientProxy.loadBinaryPackage(FileManagerService$Proxy$_$$_WeldClientProxy.java) org.drools.guvnor.server.files.PackageDeploymentServlet$1.execute(PackageDeploymentServlet.java:260) org.drools.guvnor.server.files.RepositoryServlet.doAuthorizedAction(RepositoryServlet.java:59) org.drools.guvnor.server.files.PackageDeploymentServlet.doGet(PackageDeploymentServlet.java:139) javax.servlet.http.HttpServlet.service(HttpServlet.java:742) javax.servlet.http.HttpServlet.service(HttpServlet.java:847) org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:62) org.jboss.solder.servlet.exception.CatchExceptionFilter.doFilter(CatchExceptionFilter.java:65) org.jboss.solder.servlet.event.ServletEventBridgeFilter.doFilter(ServletEventBridgeFilter.java:74) If I build the package manually, I am able to get the PKG there. I am making something wrong? Is there a way to make it build the package from REST? Thanks! Demian ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Guvnor Rest API for uploading model
Great, thanks for that. I just copied also the drools header from global package to my new package and worked! On Wed, May 29, 2013 at 5:13 AM, rjr201 rich.j.ri...@gmail.com wrote: I think this might be the same problem I was having.. http://drools.46999.n3.nabble.com/Uploading-JAR-using-REST-td4022115.html#a4022202 -- View this message in context: http://drools.46999.n3.nabble.com/Guvnor-Rest-API-for-uploading-model-tp4024007p4024010.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] BPMN2 Question
I guess you have a process with an split node with some condition? It seems that in the condition there is something called session that it is not being found? On Sun, May 19, 2013 at 4:42 PM, starfish15 pooja.gh...@accenture.comwrote: Hello, I am very new to BPMN. We are currently using Drools 5.3 version. I face the below error when i run the project. Also am trying to understand the running of Call Activity. Anyways a flow does begin running and then it gives the following error java.lang.NoSuchFieldError: session at org.jbpm.process.instance.impl.MVELReturnValueEvaluator.evaluate(MVELReturnValueEvaluator.java:91) at org.jbpm.process.instance.impl.ReturnValueConstraintEvaluator.evaluate(ReturnValueConstraintEvaluator.java:128) at org.jbpm.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:72) at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124) at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:205) at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:164) at org.jbpm.workflow.instance.node.ActionNodeInstance.triggerCompleted(ActionNodeInstance.java:55) at org.jbpm.workflow.instance.node.ActionNodeInstance.internalTrigger(ActionNodeInstance.java:51) at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124) Not sure i understood this error. Would appreciate if some help could be provided with what the error meant exactly. Regards, starfish. -- View this message in context: http://drools.46999.n3.nabble.com/BPMN2-Question-tp4023888.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Status of GuvnorNG
Hey Michael. I am just trying to open the existing rules in Guvnor Playground project. And I get an error in the screen, Unable to complete your request. The following exception occurred: Unable to get KieModule, Errors Existed. and some into the logs, 2013-04-01 11:22:49,571 [http-bio-8080-exec-2] ERROR Unable to build KieBaseMode l:defaultKieBase Unable to resolve ObjectType 'Bean' : [Rule name='R1'] Rule Compilation error : [Rule name='R1'] org/kie/test/Rule_R191081925.java (7:356) : $b cannot be resolved Rule Compilation error : [Rule name='Init'] org/kie/test/Rule_Init1712781913.java (7:346) : Bean cannot be resolved to a type Then, I also created a new project, and then tried to create a new Guided DRL, and I am getting errors in logs.. org.jboss.errai.bus.client.api.base.MessageDeliveryFailure: error invoking endpo int at org.jboss.errai.bus.server.io.ConversationalEndpointCallback.callback (ConversationalEndpointCallback.java:132) at org.jboss.errai.bus.server.io.RemoteServiceCallback.callback(RemoteSe rviceCallback.java:54) at org.jboss.errai.cdi.server.CDIExtensionPoints$3.callback(CDIExtension Points.java:512) at org.jboss.errai.bus.client.framework.DeliveryPlan.deliver(DeliveryPla n.java:43) at org.jboss.errai.bus.server.ServerMessageBusImpl.sendGlobal(ServerMess ageBusImpl.java:632) at org.jboss.errai.bus.server.SimpleDispatcher.dispatchGlobal(SimpleDisp atcher.java:46) at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServic eImpl.java:93) at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServic eImpl.java:107) at org.jboss.errai.bus.server.servlet.DefaultBlockingServlet.doPost(Defa ultBlockingServlet.java:117) at javax.servlet.http.HttpServlet.service(HttpServlet.java:641) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl icationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF ilterChain.java:210) at org.uberfire.security.server.UberFireSecurityFilter.doFilter(UberFire SecurityFilter.java:221) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl icationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF ilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV alve.java:225) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV alve.java:169) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authentica torBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j ava:168) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j ava:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java: 927) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal ve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav a:407) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp 11Processor.java:999) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process( AbstractProtocol.java:565) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoin t.java:307) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExec utor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor .java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.lang.NoClassDefFoundError: org/apache/tools/ant/AntClassLoader at org.kie.scanner.embedder.MavenEmbedder.init(MavenEmbedder.java:104) at org.kie.scanner.embedder.MavenEmbedder.init(MavenEmbedder.java:131) at org.kie.scanner.embedder.MavenProjectLoader.parseMavenPom(MavenProjec tLoader.java:35) at org.kie.scanner.ArtifactResolver.getResolverFor(ArtifactResolver.java :72) at org.kie.scanner.KieModuleMetaDataImpl.init(KieModuleMetaDataImpl.ja va:66) at org.kie.scanner.KieModuleMetaData$Factory.newKieModuleMetaData(KieMod uleMetaData.java:26) at org.kie.guvnor.datamodel.backend.server.cache.LRUProjectDataModelOrac leCache.makeProjectDefinition(LRUProjectDataModelOracleCache.java:107) at org.kie.guvnor.datamodel.backend.server.cache.LRUProjectDataModelOrac leCache.assertProjectDataModelOracle(LRUProjectDataModelOracleCache.java:74) at org.kie.guvnor.datamodel.backend.server.cache.LRUProjectDataModelOrac leCache$Proxy$_$$_WeldClientProxy.assertProjectDataModelOracle(LRUProjectDataMod elOracleCache$Proxy$_$$_WeldClientProxy.java) at org.kie.guvnor.datamodel.backend.server.cache.LRUDataModelOracleCache
Re: [rules-users] Guvnor - Operations with snapshots
Jervis, thanks for the response! When is a package updated? In 5.2, I could make version to be updates through UI, explicitly using Save Changes. Is there another way to achieve it? Thanks again, Demian 2011/10/8 jliu j...@redhat.com On 2011/10/7 9:54, Demian Calcaprina wrote: Hi again. I have been able to use guvnor package versions with some success.. Is there any service I can call to create a new version? I have checked that it seems to change the package version when you click on save package. Can I have some URL to achieve it automatically? Hi, Sorry for the late response, I was in holiday. There is no REST service to create a package version as this is not needed. A package version is created automatically when your package gets updated (through Guvnor UI or through REST). Cheers, Jervis Thanks Demian On Tue, Oct 4, 2011 at 9:57 AM, Demian Calcaprina calcacue...@gmail.comwrote: Thanks Jervis. I currently use Guvnor 5.2, and saw that I can use version so I will try to use them. - Is there something I will be missing about versions, by using 5.2? - Do you know when a new version is created? With Snapshots, I could choose when to create a new one. How about versions? Thanks! Demian 2011/10/3 jliu j...@redhat.com On 2011/10/4 1:54, Demian Calcaprina wrote: Hi everyone. I am using Guvnor 5.2, and I need to make some operations from my application. Specifically, I need to make two operations remotely: - List Snapshots, as it is possible to list packages. - Create a new snapshot from a package. Is this possible to make these operation through rest API? Hi, Start from 5.3, Guvnor Packages are fully versioned. I would recommend you to use a vesioned package instead of package snapshot. Package snapshot will be deprecated in the future. Cheers, Jervis Thanks, Demian ___ rules-users mailing listrules-users@lists.jboss.orghttps://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing listrules-users@lists.jboss.orghttps://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Guvnor - Operations with snapshots
Hi again. I have been able to use guvnor package versions with some success.. Is there any service I can call to create a new version? I have checked that it seems to change the package version when you click on save package. Can I have some URL to achieve it automatically? Thanks Demian On Tue, Oct 4, 2011 at 9:57 AM, Demian Calcaprina calcacue...@gmail.comwrote: Thanks Jervis. I currently use Guvnor 5.2, and saw that I can use version so I will try to use them. - Is there something I will be missing about versions, by using 5.2? - Do you know when a new version is created? With Snapshots, I could choose when to create a new one. How about versions? Thanks! Demian 2011/10/3 jliu j...@redhat.com On 2011/10/4 1:54, Demian Calcaprina wrote: Hi everyone. I am using Guvnor 5.2, and I need to make some operations from my application. Specifically, I need to make two operations remotely: - List Snapshots, as it is possible to list packages. - Create a new snapshot from a package. Is this possible to make these operation through rest API? Hi, Start from 5.3, Guvnor Packages are fully versioned. I would recommend you to use a vesioned package instead of package snapshot. Package snapshot will be deprecated in the future. Cheers, Jervis Thanks, Demian ___ rules-users mailing listrules-users@lists.jboss.orghttps://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Guvnor - Operations with snapshots
Thanks Jervis. I currently use Guvnor 5.2, and saw that I can use version so I will try to use them. - Is there something I will be missing about versions, by using 5.2? - Do you know when a new version is created? With Snapshots, I could choose when to create a new one. How about versions? Thanks! Demian 2011/10/3 jliu j...@redhat.com On 2011/10/4 1:54, Demian Calcaprina wrote: Hi everyone. I am using Guvnor 5.2, and I need to make some operations from my application. Specifically, I need to make two operations remotely: - List Snapshots, as it is possible to list packages. - Create a new snapshot from a package. Is this possible to make these operation through rest API? Hi, Start from 5.3, Guvnor Packages are fully versioned. I would recommend you to use a vesioned package instead of package snapshot. Package snapshot will be deprecated in the future. Cheers, Jervis Thanks, Demian ___ rules-users mailing listrules-users@lists.jboss.orghttps://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] Guvnor - Operations with snapshots
Hi everyone. I am using Guvnor 5.2, and I need to make some operations from my application. Specifically, I need to make two operations remotely: - List Snapshots, as it is possible to list packages. - Create a new snapshot from a package. Is this possible to make these operation through rest API? Thanks, Demian ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
