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Posted to dev@stratos.apache.org by "Nirmal Fernando (JIRA)" <ji...@apache.org> on 2013/12/16 05:32:08 UTC
[jira] [Resolved] (STRATOS-210) Error while starting Autoscaler
with the default policy: economyPolicy
[ https://issues.apache.org/jira/browse/STRATOS-210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Nirmal Fernando resolved STRATOS-210.
-------------------------------------
Resolution: Invalid
Assignee: Nirmal Fernando (was: Melan Nimesh)
This is not valid anymore, since we've moved policy deployment via REST API.
> Error while starting Autoscaler with the default policy: economyPolicy
> ----------------------------------------------------------------------
>
> Key: STRATOS-210
> URL: https://issues.apache.org/jira/browse/STRATOS-210
> Project: Stratos
> Issue Type: Bug
> Affects Versions: 4.0.0 M2
> Environment: The following error is not reproducible consistently. But i got this error several times when i start Autoscaler. Due to this error, Auto scaler is not usable after that..
> 2013-11-14 06:02:19,565] ERROR {org.apache.stratos.autoscaler.rule.AutoscalerRuleEvaluator} - Rule evaluate error
> org.drools.RuntimeDroolsException: $clusterContext.getPartitionCount($partition.getId()) < $partition.getPartitionMembersMin() : [Error: $clusterContext.getPartitionCount($partition.getId()): null]
> [Near : {... $clusterContext.getPartitionCo ....}]
> ^
> [Line: 1, Column: 1]
> at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:119)
> at org.drools.reteoo.EvalConditionNode.assertLeftTuple(EvalConditionNode.java:176)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.CompositeLeftTupleSinkAdapter.doPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:232)
> at org.drools.reteoo.CompositeLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:116)
> 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:81)
> at org.apache.stratos.autoscaler.rule.ExecutorTaskScheduler$1.run(ExecutorTaskScheduler.java:60)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: [Error: $clusterContext.getPartitionCount($partition.getId()): null]
> [Near : {... $clusterContext.getPartitionCo ....}]
> ^
> [Line: 1, Column: 1]
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:416)
> 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.ast.BinaryOperation.getReducedValueAccelerated(BinaryOperation.java:108)
> 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:930)
> at org.drools.base.mvel.MVELEvalExpression.evaluate(MVELEvalExpression.java:101)
> at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:114)
> ... 37 more
> Caused by: java.lang.reflect.InvocationTargetException
> 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:606)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:1104)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:987)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:377)
> ... 48 more
> Caused by: java.lang.NullPointerException
> at org.apache.stratos.autoscaler.ClusterContext.getPartitionCount(ClusterContext.java:157)
> ... 55 more
> [2013-11-14 06:02:34,570] ERROR {org.apache.stratos.autoscaler.rule.AutoscalerRuleEvaluator} - Rule evaluate error
> org.drools.RuntimeDroolsException: $clusterContext.getPartitionCount($partition.getId()) < $partition.getPartitionMembersMin() : [Error: $clusterContext.getPartitionCount($partition.getId()): null]
> [Near : {... $clusterContext.getPartitionCo ....}]
> ^
> [Line: 1, Column: 1]
> at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:119)
> at org.drools.reteoo.EvalConditionNode.assertLeftTuple(EvalConditionNode.java:176)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.CompositeLeftTupleSinkAdapter.doPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:232)
> at org.drools.reteoo.CompositeLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:116)
> 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:81)
> at org.apache.stratos.autoscaler.rule.ExecutorTaskScheduler$1.run(ExecutorTaskScheduler.java:60)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: [Error: $clusterContext.getPartitionCount($partition.getId()): null]
> [Near : {... $clusterContext.getPartitionCo ....}]
> ^
> [Line: 1, Column: 1]
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:416)
> 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.ast.BinaryOperation.getReducedValueAccelerated(BinaryOperation.java:108)
> 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.MVEL.executeExpression(MVEL.java:930)
> at org.drools.base.mvel.MVELEvalExpression.evaluate(MVELEvalExpression.java:101)
> at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:114)
> ... 37 more
> Caused by: java.lang.reflect.InvocationTargetException
> 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:606)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:1104)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:987)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:377)
> ... 47 more
> Caused by: java.lang.NullPointerException
> at org.apache.stratos.autoscaler.ClusterContext.getPartitionCount(ClusterContext.java:157)
> ... 54 more
> [2013-11-14 06:02:49,575] ERROR {org.apache.stratos.autoscaler.rule.AutoscalerRuleEvaluator} - Rule evaluate error
> org.drools.RuntimeDroolsException: $clusterContext.getPartitionCount($partition.getId()) < $partition.getPartitionMembersMin() : [Error: $clusterContext.getPartitionCount($partition.getId()): null]
> [Near : {... $clusterContext.getPartitionCo ....}]
> ^
> [Line: 1, Column: 1]
> at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:119)
> at org.drools.reteoo.EvalConditionNode.assertLeftTuple(EvalConditionNode.java:176)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.CompositeLeftTupleSinkAdapter.doPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:232)
> at org.drools.reteoo.CompositeLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:116)
> 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:81)
> at org.apache.stratos.autoscaler.rule.ExecutorTaskScheduler$1.run(ExecutorTaskScheduler.java:60)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: [Error: $clusterContext.getPartitionCount($partition.getId()): null]
> [Near : {... $clusterContext.getPartitionCo ....}]
> ^
> [Line: 1, Column: 1]
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:416)
> 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.ast.BinaryOperation.getReducedValueAccelerated(BinaryOperation.java:108)
> 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.MVEL.executeExpression(MVEL.java:930)
> at org.drools.base.mvel.MVELEvalExpression.evaluate(MVELEvalExpression.java:101)
> at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:114)
> ... 37 more
> Caused by: java.lang.reflect.InvocationTargetException
> 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:606)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:1104)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:987)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:377)
> ... 47 more
> Caused by: java.lang.NullPointerException
> at org.apache.stratos.autoscaler.ClusterContext.getPartitionCount(ClusterContext.java:157)
> ... 54 more
> [2013-11-14 06:03:04,578] ERROR {org.apache.stratos.autoscaler.rule.AutoscalerRuleEvaluator} - Rule evaluate error
> org.drools.RuntimeDroolsException: $clusterContext.getPartitionCount($partition.getId()) < $partition.getPartitionMembersMin() : [Error: $clusterContext.getPartitionCount($partition.getId()): null]
> [Near : {... $clusterContext.getPartitionCo ....}]
> ^
> [Line: 1, Column: 1]
> at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:119)
> at org.drools.reteoo.EvalConditionNode.assertLeftTuple(EvalConditionNode.java:176)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:196)
> at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:71)
> at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:333)
> at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:164)
> at org.drools.reteoo.CompositeLeftTupleSinkAdapter.doPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:232)
> at org.drools.reteoo.CompositeLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:116)
> 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:81)
> at org.apache.stratos.autoscaler.rule.ExecutorTaskScheduler$1.run(ExecutorTaskScheduler.java:60)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: [Error: $clusterContext.getPartitionCount($partition.getId()): null]
> [Near : {... $clusterContext.getPartitionCo ....}]
> ^
> [Line: 1, Column: 1]
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:416)
> 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.ast.BinaryOperation.getReducedValueAccelerated(BinaryOperation.java:108)
> 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.MVEL.executeExpression(MVEL.java:930)
> at org.drools.base.mvel.MVELEvalExpression.evaluate(MVELEvalExpression.java:101)
> at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:114)
> ... 37 more
> Caused by: java.lang.reflect.InvocationTargetException
> 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:606)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:1104)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:987)
> at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:377)
> ... 47 more
> Caused by: java.lang.NullPointerException
> at org.apache.stratos.autoscaler.ClusterContext.getPartitionCount(ClusterContext.java:157)
> ... 54 more
> Reporter: reka thirunavukkarasu
> Assignee: Nirmal Fernando
> Fix For: 4.0.0 M5
>
>
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