Trying to load a module from Maven coordinates
by david.berkman
Using Maven 3.2.1 and Drools 6.0.1, I'm trying to simply follow the
instructions for loading a container with a jar at a set of maven
coordinates. I have confirmed that the jar exists at the specified
coordinates (in Nexus), and that I can download it without using a
username/password (just an http get), and that the jar does contain both
.drl files and a /META-INF/kmodule.xml. I'm using the code below, and have
added the extra dependencies listed, but I get the errors shown below all
that. First off, working out the proper dependencies is no mean feat, when
it seems that just kie-ci should be necessary. What a pain, and there is far
too little documentation to help. But, I assume this should be possible, and
maybe some kind person out there has the magic combination of Drools, Maven,
and jars to make it work?
Thanks in advance,
David
KieServices kieServices = KieServices.Factory.get();
kieServices.newKieContainer(kieServices.newReleaseId("<groupId>",
"<artifactId>", "<version>"));
<dependency>
<groupId>org.kie</groupId>
<artifactId>kie-ci</artifactId>
<version>6.0.1.Final</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-aether-provider</artifactId>
<version>3.0.5</version>
</dependency>
<dependency>
<groupId>org.codehaus.plexus</groupId>
<artifactId>plexus-utils</artifactId>
<version>3.0.17</version>
</dependency>
<dependency>
<groupId>org.eclipse.aether</groupId>
<artifactId>aether-impl</artifactId>
<version>0.9.0.M2</version>
</dependency>
2014-03-07T15:29:50.368-0800 Sisu WARN (.:) [main] - Error injecting:
org.eclipse.aether.internal.impl.DefaultRepositorySystem
Exception in thread com.google.inject.ConfigurationException: Guice
configuration errors:
1) No implementation for org.eclipse.aether.impl.ArtifactDescriptorReader
was bound.
while locating org.eclipse.aether.impl.ArtifactDescriptorReader
for parameter 4 at
org.eclipse.aether.internal.impl.DefaultRepositorySystem.<init>(Unknown
Source)
while locating org.eclipse.aether.internal.impl.DefaultRepositorySystem
2) No implementation for org.eclipse.aether.impl.VersionRangeResolver was
bound.
while locating org.eclipse.aether.impl.VersionRangeResolver
for parameter 1 at
org.eclipse.aether.internal.impl.DefaultRepositorySystem.<init>(Unknown
Source)
while locating org.eclipse.aether.internal.impl.DefaultRepositorySystem
3) No implementation for org.eclipse.aether.impl.VersionResolver was bound.
while locating org.eclipse.aether.impl.VersionResolver
for parameter 0 at
org.eclipse.aether.internal.impl.DefaultRepositorySystem.<init>(Unknown
Source)
while locating org.eclipse.aether.internal.impl.DefaultRepositorySystem
3 errors
at
com.google.inject.internal.InjectorImpl.getProvider(InjectorImpl.java:991)
at
com.google.inject.internal.InjectorImpl.getProvider(InjectorImpl.java:950)
at
com.google.inject.internal.InjectorImpl.getInstance(InjectorImpl.java:1000)
at
org.eclipse.sisu.space.AbstractDeferredClass.get(AbstractDeferredClass.java:48)
at
com.google.inject.internal.ProviderInternalFactory.provision(ProviderInternalFactory.java:84)
at
com.google.inject.internal.InternalFactoryToInitializableAdapter.provision(InternalFactoryToInitializableAdapter.java:52)
at
com.google.inject.internal.ProviderInternalFactory$1.call(ProviderInternalFactory.java:70)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:100)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:115)
at
com.google.inject.internal.ProvisionListenerStackCallback.provision(ProvisionListenerStackCallback.java:55)
at
com.google.inject.internal.ProviderInternalFactory.circularGet(ProviderInternalFactory.java:68)
at
com.google.inject.internal.InternalFactoryToInitializableAdapter.get(InternalFactoryToInitializableAdapter.java:45)
at
com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1018)
at
com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
at com.google.inject.Scopes$1$1.get(Scopes.java:59)
at
com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:41)
at
com.google.inject.internal.InjectorImpl$3$1.call(InjectorImpl.java:965)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1018)
at com.google.inject.internal.InjectorImpl$3.get(InjectorImpl.java:961)
at org.eclipse.sisu.inject.LazyBeanEntry.getValue(LazyBeanEntry.java:82)
at
org.eclipse.sisu.plexus.LazyPlexusBean.getValue(LazyPlexusBean.java:51)
at
org.eclipse.sisu.plexus.PlexusRequirements$RequirementProvider.get(PlexusRequirements.java:250)
at
org.eclipse.sisu.plexus.ProvidedPropertyBinding.injectProperty(ProvidedPropertyBinding.java:48)
at
org.eclipse.sisu.bean.BeanInjector.injectMembers(BeanInjector.java:52)
at
com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:128)
at
com.google.inject.internal.ConstructorInjector.provision(ConstructorInjector.java:117)
at
com.google.inject.internal.ConstructorInjector.access$000(ConstructorInjector.java:32)
at
com.google.inject.internal.ConstructorInjector$1.call(ConstructorInjector.java:91)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:100)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:115)
at
com.google.inject.internal.ProvisionListenerStackCallback.provision(ProvisionListenerStackCallback.java:55)
at
com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:89)
at
com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:259)
at
com.google.inject.internal.InjectorImpl$3$1.call(InjectorImpl.java:965)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1018)
at com.google.inject.internal.InjectorImpl$3.get(InjectorImpl.java:961)
at
com.google.inject.internal.InjectorImpl.getInstance(InjectorImpl.java:1000)
at
org.eclipse.sisu.space.AbstractDeferredClass.get(AbstractDeferredClass.java:48)
at
com.google.inject.internal.ProviderInternalFactory.provision(ProviderInternalFactory.java:84)
at
com.google.inject.internal.InternalFactoryToInitializableAdapter.provision(InternalFactoryToInitializableAdapter.java:52)
at
com.google.inject.internal.ProviderInternalFactory$1.call(ProviderInternalFactory.java:70)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:100)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:115)
at
com.google.inject.internal.ProvisionListenerStackCallback.provision(ProvisionListenerStackCallback.java:55)
at
com.google.inject.internal.ProviderInternalFactory.circularGet(ProviderInternalFactory.java:68)
at
com.google.inject.internal.InternalFactoryToInitializableAdapter.get(InternalFactoryToInitializableAdapter.java:45)
at
com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1018)
at
com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
at com.google.inject.Scopes$1$1.get(Scopes.java:59)
at
com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:41)
at
com.google.inject.internal.InjectorImpl$3$1.call(InjectorImpl.java:965)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1018)
at com.google.inject.internal.InjectorImpl$3.get(InjectorImpl.java:961)
at org.eclipse.sisu.inject.LazyBeanEntry.getValue(LazyBeanEntry.java:82)
at
org.eclipse.sisu.plexus.LazyPlexusBean.getValue(LazyPlexusBean.java:51)
at
org.eclipse.sisu.plexus.PlexusRequirements$RequirementProvider.get(PlexusRequirements.java:250)
at
org.eclipse.sisu.plexus.ProvidedPropertyBinding.injectProperty(ProvidedPropertyBinding.java:48)
at
org.eclipse.sisu.bean.BeanInjector.injectMembers(BeanInjector.java:52)
at
com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:128)
at
com.google.inject.internal.ConstructorInjector.provision(ConstructorInjector.java:117)
at
com.google.inject.internal.ConstructorInjector.access$000(ConstructorInjector.java:32)
at
com.google.inject.internal.ConstructorInjector$1.call(ConstructorInjector.java:91)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:100)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:115)
at
com.google.inject.internal.ProvisionListenerStackCallback.provision(ProvisionListenerStackCallback.java:55)
at
com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:89)
at
com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:259)
at
com.google.inject.internal.InjectorImpl$3$1.call(InjectorImpl.java:965)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1018)
at com.google.inject.internal.InjectorImpl$3.get(InjectorImpl.java:961)
at
com.google.inject.internal.InjectorImpl.getInstance(InjectorImpl.java:1000)
at
org.eclipse.sisu.space.AbstractDeferredClass.get(AbstractDeferredClass.java:48)
at
com.google.inject.internal.ProviderInternalFactory.provision(ProviderInternalFactory.java:84)
at
com.google.inject.internal.InternalFactoryToInitializableAdapter.provision(InternalFactoryToInitializableAdapter.java:52)
at
com.google.inject.internal.ProviderInternalFactory$1.call(ProviderInternalFactory.java:70)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:100)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:115)
at
com.google.inject.internal.ProvisionListenerStackCallback.provision(ProvisionListenerStackCallback.java:55)
at
com.google.inject.internal.ProviderInternalFactory.circularGet(ProviderInternalFactory.java:68)
at
com.google.inject.internal.InternalFactoryToInitializableAdapter.get(InternalFactoryToInitializableAdapter.java:45)
at
com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1018)
at
com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
at com.google.inject.Scopes$1$1.get(Scopes.java:59)
at
com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:41)
at
com.google.inject.internal.InjectorImpl$3$1.call(InjectorImpl.java:965)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1018)
at com.google.inject.internal.InjectorImpl$3.get(InjectorImpl.java:961)
at org.eclipse.sisu.inject.LazyBeanEntry.getValue(LazyBeanEntry.java:82)
at
org.eclipse.sisu.plexus.LazyPlexusBean.getValue(LazyPlexusBean.java:51)
at
org.eclipse.sisu.plexus.PlexusRequirements$RequirementProvider.get(PlexusRequirements.java:250)
at
org.eclipse.sisu.plexus.ProvidedPropertyBinding.injectProperty(ProvidedPropertyBinding.java:48)
at
org.eclipse.sisu.bean.BeanInjector.injectMembers(BeanInjector.java:52)
at
com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:128)
at
com.google.inject.internal.ConstructorInjector.provision(ConstructorInjector.java:117)
at
com.google.inject.internal.ConstructorInjector.access$000(ConstructorInjector.java:32)
at
com.google.inject.internal.ConstructorInjector$1.call(ConstructorInjector.java:91)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:100)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:115)
at
com.google.inject.internal.ProvisionListenerStackCallback.provision(ProvisionListenerStackCallback.java:55)
at
com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:89)
at
com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:259)
at
com.google.inject.internal.InjectorImpl$3$1.call(InjectorImpl.java:965)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1018)
at com.google.inject.internal.InjectorImpl$3.get(InjectorImpl.java:961)
at
com.google.inject.internal.InjectorImpl.getInstance(InjectorImpl.java:1000)
at
org.eclipse.sisu.space.AbstractDeferredClass.get(AbstractDeferredClass.java:48)
at
com.google.inject.internal.ProviderInternalFactory.provision(ProviderInternalFactory.java:84)
at
com.google.inject.internal.InternalFactoryToInitializableAdapter.provision(InternalFactoryToInitializableAdapter.java:52)
at
com.google.inject.internal.ProviderInternalFactory$1.call(ProviderInternalFactory.java:70)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:100)
at
org.eclipse.sisu.plexus.PlexusLifecycleManager.onProvision(PlexusLifecycleManager.java:133)
at
com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:108)
at
com.google.inject.internal.ProvisionListenerStackCallback.provision(ProvisionListenerStackCallback.java:55)
at
com.google.inject.internal.ProviderInternalFactory.circularGet(ProviderInternalFactory.java:68)
at
com.google.inject.internal.InternalFactoryToInitializableAdapter.get(InternalFactoryToInitializableAdapter.java:45)
at
com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1018)
at
com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
at com.google.inject.Scopes$1$1.get(Scopes.java:59)
at
com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:41)
at
com.google.inject.internal.InjectorImpl$3$1.call(InjectorImpl.java:965)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1011)
at com.google.inject.internal.InjectorImpl$3.get(InjectorImpl.java:961)
at org.eclipse.sisu.inject.LazyBeanEntry.getValue(LazyBeanEntry.java:82)
at
org.eclipse.sisu.plexus.LazyPlexusBean.getValue(LazyPlexusBean.java:51)
at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:260)
at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:252)
at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:246)
at org.kie.scanner.embedder.MavenEmbedder.lookup(MavenEmbedder.java:527)
at
org.kie.scanner.embedder.MavenEmbedder.buildMavenExecutionRequest(MavenEmbedder.java:152)
at org.kie.scanner.embedder.MavenEmbedder.<init>(MavenEmbedder.java:115)
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(MavenProjectLoader.java:18)
at
org.kie.scanner.embedder.MavenProjectLoader.loadMavenProject(MavenProjectLoader.java:48)
at org.kie.scanner.Aether.<init>(Aether.java:44)
at org.kie.scanner.Aether.getAether(Aether.java:54)
at
org.kie.scanner.MavenRepository.getMavenRepository(MavenRepository.java:45)
at org.kie.scanner.ArtifactResolver.<init>(ArtifactResolver.java:25)
at
org.kie.scanner.KieRepositoryScannerImpl.getArtifactResolver(KieRepositoryScannerImpl.java:67)
at
org.kie.scanner.KieRepositoryScannerImpl.loadArtifact(KieRepositoryScannerImpl.java:88)
at
org.kie.scanner.KieRepositoryScannerImpl.loadArtifact(KieRepositoryScannerImpl.java:83)
at
org.drools.compiler.kie.builder.impl.KieRepositoryImpl.loadKieModuleFromMavenRepo(KieRepositoryImpl.java:113)
at
org.drools.compiler.kie.builder.impl.KieRepositoryImpl.getKieModule(KieRepositoryImpl.java:99)
at
org.drools.compiler.kie.builder.impl.KieRepositoryImpl.getKieModule(KieRepositoryImpl.java:76)
at
org.drools.compiler.kie.builder.impl.KieServicesImpl.newKieContainer(KieServicesImpl.java:84)
at
com.icix.neutrino.bedrock.predicate.drools.extras.spring.KieScannedContainerCacheInitializingBean.afterPropertiesSet(KieScannedContainerCacheInitializingBean.java:44)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1541)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1479)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:608)
at
org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
at
org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at
org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:93)
at com.icix.neutrino.terminus.hub.Foo.<clinit>(Foo.java:19)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:190)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:113)
2014-03-07T15:29:50.379-0800 Sisu WARN (.:) [main] - Error injecting:
org.apache.maven.artifact.resolver.DefaultArtifactResolver
Exception in thread com.google.inject.ProvisionException: Guice provision
errors:
1) No implementation for org.eclipse.aether.impl.ArtifactDescriptorReader
was bound.
while locating org.eclipse.aether.impl.ArtifactDescriptorReader
for parameter 4 at
org.eclipse.aether.internal.impl.DefaultRepositorySystem.<init>(Unknown
Source)
while locating org.eclipse.aether.internal.impl.DefaultRepositorySystem
at ClassRealm[maven, parent: ClassRealm[maven-parent, parent: null]]
at ClassRealm[maven, parent: ClassRealm[maven-parent, parent: null]]
while locating org.eclipse.aether.RepositorySystem
while locating org.apache.maven.artifact.resolver.DefaultArtifactResolver
2) No implementation for org.eclipse.aether.impl.VersionRangeResolver was
bound.
while locating org.eclipse.aether.impl.VersionRangeResolver
for parameter 1 at
org.eclipse.aether.internal.impl.DefaultRepositorySystem.<init>(Unknown
Source)
while locating org.eclipse.aether.internal.impl.DefaultRepositorySystem
at ClassRealm[maven, parent: ClassRealm[maven-parent, parent: null]]
at ClassRealm[maven, parent: ClassRealm[maven-parent, parent: null]]
while locating org.eclipse.aether.RepositorySystem
while locating org.apache.maven.artifact.resolver.DefaultArtifactResolver
3) No implementation for org.eclipse.aether.impl.VersionResolver was bound.
while locating org.eclipse.aether.impl.VersionResolver
for parameter 0 at
org.eclipse.aether.internal.impl.DefaultRepositorySystem.<init>(Unknown
Source)
while locating org.eclipse.aether.internal.impl.DefaultRepositorySystem
at ClassRealm[maven, parent: ClassRealm[maven-parent, parent: null]]
at ClassRealm[maven, parent: ClassRealm[maven-parent, parent: null]]
while locating org.eclipse.aether.RepositorySystem
while locating org.apache.maven.artifact.resolver.DefaultArtifactResolver
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10 years, 3 months
sharing guvnor cache files
by san_hegde
Hi,
I have configured local guvnor cache in my application. Drools and Guvnor version 5.2. My application is deployed in 2 managed servers in weblogic. So now application in both the servers refer to the same directory where guvnor cache is created.
Is there any issue in both the application referring to the same location for the guvnor cache files.?
Thank you
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10 years, 3 months
Usage of the jcr2vfs migration tool
by dstern
Are there instructions anywhere for using the jcr2vfs migration tool?
I pruned my JCR repository (created under Guvnor 5.6.0.Final) until the
migration tool ran without error (which meant archiving all my brl format
assets among other things) but I'm not sure what to do with the output.
I copied the contents of outputVfs to my existing .niogit folder (leaving
the .niogit generated by the migration tool alone) but the migrated
repository doesn't show up. Is this because I didn't replace my existing
.niogit with the one generated by the tool?
--
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10 years, 3 months
Including repository in a WAR file
by ilguapo
I'm using Drools 5.3.0
I'd like to find out if the following scenario is possible:
- Include the repository_export.zip file inside my application WAR file.
This way, Guvnor won't be necessary.
- Provide a special upload page just like Guvnor's Import/Export to upload a
completely new repository_export.zip file when rules have changed.
I haven't been able to find a way to read a repository_export.zip file with
the current API. They only talk about drl, pkg, etc..etc but no zip files.
I could potentially take the zip file, unzip it to an XML and maybe read
this file??
Any ideas would be really helpful.
Regards,
Ilguapo
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10 years, 3 months
Starting optaplanner with your own initialized solution
by paavanm
I have a relatively simple question. How do I have OptaPlanner use my own
initialized solution as a starting point instead of having a construction
heuristic create one? Does this have to be done with a custom SolverPhase?
A little more detail on what I'm trying to do: I am scheduling a series of
classes and related activities on a calendar. Let's say I have some class
BA101 that occurs several times a week (these classes are immovable
entities). There are homeworks, exams etc. associated with these classes
which I need to schedule. E.g. on Feb 1st, a homework might be due, or on
Mar 1st, there might be an exam. So I need to schedule time to do the
homework or time to study for the exam. My initial solution for this would
be very simple: I would schedule the homework/study time at the same time of
the class itself, and let optaplanner move it around till it meets my hard &
soft constraints.
However, when I tried to do that (i.e. give my homework/study tasks an
actual start time instead of just leaving the start time as null),
OptaPlanner fell right through without actually making any moves to find the
best score. How do I do this? This is my config at the moment, pretty basic
(tried this with & without the construction heuristic; same result):
<?xml version="1.0" encoding="UTF-8"?>
<solver>
<solutionClass>com.copilot.optaplanner.domain.ActivityScheduler</solutionClass>
<planningEntityClass>com.copilot.optaplanner.domain.Activity</planningEntityClass>
<scoreDirectorFactory>
<scoreDefinitionType>HARD_SOFT</scoreDefinitionType>
<simpleScoreCalculatorClass>com.copilot.optaplanner.solver.score.ActivitySchedulingSimpleScoreCalculator</simpleScoreCalculatorClass>
</scoreDirectorFactory>
<termination>
<maximumSecondsSpend>10</maximumSecondsSpend>
</termination>
<constructionHeuristic>
<constructionHeuristicType>FIRST_FIT</constructionHeuristicType>
</constructionHeuristic>
<localSearch>
<acceptor>
<entityTabuSize>7</entityTabuSize>
</acceptor>
<forager>
<acceptedCountLimit>1000</acceptedCountLimit>
</forager>
</localSearch>
</solver>
Thanks for any assistance.
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10 years, 3 months
drools verifier problem
by Jean-Christophe Fortier
Hi,
I'm trying to use the verifier with my rules on drools 5.6 and I got an exception : org.drools.verifier.visitor.UnknownDescriptionException: Descr ( class org.drools.lang.descr.MVELExprDescr ) is unknown to drools verifier. I checked in the source code and this type of descriptor is indeed not handled yet. Do you know if it's fixed in 6.1?
There is also this JIRA that could be useful https://issues.jboss.org/browse/JBRULES-3641
Please let me know of any development.
Thx
Jean-Christophe Fortier
Concepteur de logiciel
Software Developer
first make it work, then make it better
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