[rules-dev] 5.2.0-SNAPSHOT java.io.OptionalDataException (repost)
Esteban Aliverti
esteban.aliverti at gmail.com
Fri Nov 26 07:05:07 EST 2010
If you are using 5.2.0-SNAPSHOT in both of your applications, this shouldn't
be happening. Please double check it.
As a workaround, you could get rule's sources from Guvnor instead of the
binary package.
Best,
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Esteban Aliverti
- Developer @ http://www.plugtree.com
- Blog @ http://ilesteban.wordpress.com
On Thu, Nov 25, 2010 at 7:55 PM, mjhn <mjohnson at quickcut.com.au> wrote:
>
> Hi,
>
> I had previously posted to drools-users. Maybe wrong place for it. I am an
> absolute new user. Excited and Very keen to have this working and for any
> feedback to help me progress.
>
> I'm using the 5.2.0-SNAPSHOT binaries for making use of the new auth
> attributes in the kagent:resource tag.
>
> I'm attempting to get PKG out of Guvnor. Using the following
> droolsservice.xml config
>
> <?xml version="1.0" encoding="UTF-8"?>
> <beans xmlns="http://www.springframework.org/schema/beans"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xmlns:drools="http://drools.org/schema/drools-spring"
> xsi:schemaLocation="http://www.springframework.org/schema/beans
> http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
>
> http://drools.org/schema/drools-spring
> http://192.168.2.2/~martinjohnson/xmpp_code/drools-spring-1.2.0.xsd
> http://camel.apache.org/schema/spring
> http://camel.apache.org/schema/spring/camel-spring.xsd" >
>
> <drools:kagent kbase="knowledgeBase" id="kagent" new-instance="false">
> <drools:resources>
> <drools:resource type="CHANGE_SET"
> basic-authentication="enabled" username="admin" password=""
> source="
> http://localhost:8080/drools-guvnor.war/org.drools.guvnor.Guvnor/package/TicketImportPackage/LATEST/ChangeSet.xml
> "
> />
> </drools:resources>
> </drools:kagent>
> </beans>
>
> As far as i can tell the ChangeSet.xml is coming down. The PKG accessed.
> Though then...
>
>
> Nov 25, 2010 9:09:52 PM com.javawhat.rules.RuleAgentManager init
> INFO: Loading knowledge agents ...
> Nov 25, 2010 9:09:52 PM com.javawhat.rules.RuleAgentManager init
> INFO: Initializing knowledge agents with package:
> [2010:11:329 21:11:675:info] ResourceChangeScanner reconfigured with
> interval=60
> [2010:11:329 21:11:676:info] ResourceChangeScanner created with default
> interval=60
> [2010:11:329 21:11:682:info] ResourceChangeScanner reconfigured with
> interval=120
> [2010:11:329 21:11:682:info] ResourceChangeScanner reconfigured with
> interval=120
> [2010:11:329 21:11:14:info] ResourceChangeNotification created
> [2010:11:329 21:11:14:debug] ResourceChangeNotification monitor added
> monitor=org.drools.io.impl.ResourceChangeScannerImpl at 37722456
> [2010:11:329 21:11:17:debug] KnowledgeAgent building resource map
> [2010:11:329 21:11:17:info] KnowledegAgent has started listening for
> ChangeSet notifications
> [2010:11:329 21:11:18:info] KnowledgeAgent created, with configuration:
> monitorChangeSetEvents=true scanResources=true scanDirectories=true
> newInstance=false
> [2010:11:329 21:11:514:info] KnowledgeAgent applying ChangeSet
> [2010:11:329 21:11:516:debug] KnowledgeAgent notifier subscribing to
> resource=[UrlResource
> path='
> http://localhost:8080/drools-guvnor.war/org.drools.guvnor.Guvnor/package/TicketImportPackage/LATEST
> ']
> [2010:11:329 21:11:516:debug] ResourceChangeNotification subscribing
> listener=org.drools.agent.impl.KnowledgeAgentImpl at 23000bcf to
> resource=[UrlResource
> path='
> http://localhost:8080/drools-guvnor.war/org.drools.guvnor.Guvnor/package/TicketImportPackage/LATEST
> ']
> [2010:11:329 21:11:516:debug] ResourceChangeScanner subcribing
> notifier=org.drools.io.impl.ResourceChangeNotifierImpl at 580754fc to
> resource=[UrlResource
> path='
> http://localhost:8080/drools-guvnor.war/org.drools.guvnor.Guvnor/package/TicketImportPackage/LATEST
> ']
> [2010:11:329 21:11:517:debug] KnowledgeAgent rebuilding KnowledgeBase using
> ChangeSet
> [2010:11:329 21:11:517:info] KnowledgeAgent performing an incremental build
> of the ChangeSet
> [2010:11:329 21:11:280:exception]
> java.lang.RuntimeException: KnowledgeAgent exception while trying to
> deserialize KnowledgeDefinitionsPackage
> at
>
> org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:665)
> at
>
> org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:618)
> at
>
> org.drools.agent.impl.KnowledgeAgentImpl.incrementalBuildResources(KnowledgeAgentImpl.java:809)
> at
>
> org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:587)
> at
>
> org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:186)
> at
>
> org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:169)
> at
>
> com.javawhat.rules.RuleAgentManager.createKnowledgeAgent(RuleAgentManager.java:125)
> at
> com.javawhat.rules.RuleAgentManager.init(RuleAgentManager.java:85)
> at
> com.javawhat.rules.RuleAgentManager.getInstance(RuleAgentManager.java:48)
> at com.adstream.test.Main.main(Main.java:53)
> Caused by: java.io.OptionalDataException
> at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1282)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
> at
>
> org.drools.rule.JavaDialectRuntimeData.readExternal(JavaDialectRuntimeData.java:167)
> at
> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
> at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
> at java.util.HashMap.readObject(HashMap.java:1030)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
> at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
> at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
> at
>
> org.drools.rule.DialectRuntimeRegistry.readExternal(DialectRuntimeRegistry.java:59)
> at
> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
> at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
> at org.drools.rule.Package.readExternal(Package.java:197)
> at
> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
> at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
> at
> org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:205)
> at
> org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:174)
> at
>
> org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:654)
> ... 9 more
> [2010:11:329 21:11:283:warning] KnowledgeAgent: The resource didn't create
> any package: [UrlResource
> path='
> http://localhost:8080/drools-guvnor.war/org.drools.guvnor.Guvnor/package/TicketImportPackage/LATEST
> ']
> [2010:11:329 21:11:283:info] KnowledgeAgent incremental build of
> KnowledgeBase finished and in use
> [2010:11:329 21:11:284:debug] KnowledgeAgent finished rebuilding
> KnowledgeBase using ChangeSet
>
>
> The issue lies behind 'stream.readObject();' from JavaDialectRuntimeData
> around line 167
>
> // Return the object stored as a byte[]
> byte[] bytes = (byte[]) stream.readObject();
> if ( signed ) {
> checkSignature( stream,
> helper,
> bytes,
> pubKeyAlias );
> }
>
> guvnor and my sample app are both running 5.2.0-SNAPSHOT. Really appreciate
> any advice. Is it falling over an a parse of the binary and some
> disagreement on contents of payload?
>
> Thanks
>
> Martin
> --
> View this message in context:
> http://drools-java-rules-engine.46999.n3.nabble.com/5-2-0-SNAPSHOT-java-io-OptionalDataException-repost-tp1970098p1970098.html
> Sent from the Drools - Dev mailing list archive at Nabble.com.
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