Thanks Udara, I'm looking into this.
On Tue, Feb 17, 2015 at 11:17 AM, Udara Liyanage <ud...@wso2.com> wrote:
> Hi,
>
> I just started Stratos built from master branch and
> exected single-cartridge sample.
>
> [2015-02-17 11:15:41,919] INFO
> {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} - Executing
> scaling rule as statistics have been reset
> Exception in thread "pool-38-thread-3" [Error: null pointer:
> autoscalePolicy.getLoadThresholds()]
> [Near : {... autoscalePolicy.getLoadThresho ....}]
> ^
> [Line: 1, Column: 1]
> at
> org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:431)
> at
> org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:143)
> at org.mvel2.ast.ASTNode.optimize(ASTNode.java:159)
> at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:115)
> at org.mvel2.MVELRuntime.execute(MVELRuntime.java:85)
> at
> org.mvel2.compiler.CompiledExpression.getDirectValue(CompiledExpression.java:123)
> at
> org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:119)
> at
> org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:113)
> at org.mvel2.MVEL.executeExpression(MVEL.java:942)
> at
> org.drools.base.dataproviders.MVELDataProvider.getResults(MVELDataProvider.java:111)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:150)
> at
> org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at
> org.drools.reteoo.SingleLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:145)
> at
> org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:154)
> at
> org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:59)
> at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:235)
> at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:240)
> at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:350)
> at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:311)
> at
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:903)
> at
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:847)
> at
> org.drools.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:269)
> at
> org.apache.stratos.autoscaler.rule.AutoscalerRuleEvaluator.evaluate(AutoscalerRuleEvaluator.java:64)
> at
> org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor$1.run(ClusterMonitor.java:571)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.NullPointerException
> at
> org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:397)
> ... 26 more
>
>
> --
>
> Udara Liyanage
> Software Engineer
> WSO2, Inc.: http://wso2.com
> lean. enterprise. middleware
>
> web: http://udaraliyanage.wordpress.com
> phone: +94 71 443 6897
>
--
Imesh Gunaratne
Technical Lead, WSO2
Committer & PMC Member, Apache Stratos
