Hi Devs,
I have notice $subject on *samples/applications/complex-app-with-lb*
*Here is the log: *
[2015-01-27 19:28:25,001] INFO
{org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} - Executing
scaling rule as statistics have been reset
Exception in thread "pool-38-thread-26" [Error: null pointer:
autoscalePolicy.getLoadThresholds()]
[Near : {... autoscalePolicy.getLoadThresho ....}]
^
[Line: 1, Column: 1]
Exception in thread "pool-39-thread-26" 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.MVEL.executeExpression(MVEL.java:942)
at
org.drools.base.dataproviders.MVELDataProvider.getResults(MVELDataProvider.java:111)
at org.drools.reteoo.FromNode.modifyLeftTuple(FromNode.java:259)
at
org.drools.reteoo.LeftTupleSource.doModifyLeftTuple(LeftTupleSource.java:304)
at
org.drools.reteoo.LeftTupleSource.modifyLeftTuple(LeftTupleSource.java:278)
at
org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateModifyLeftTuple(SingleLeftTupleSinkAdapter.java:205)
at
org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateModifyObject(SingleLeftTupleSinkAdapter.java:235)
at
org.drools.reteoo.LeftInputAdapterNode.modifyObject(LeftInputAdapterNode.java:170)
at
org.drools.reteoo.SingleObjectSinkAdapter.propagateModifyObject(SingleObjectSinkAdapter.java:68)
at org.drools.reteoo.ObjectTypeNode.modifyObject(ObjectTypeNode.java:314)
at org.drools.reteoo.EntryPointNode.modifyObject(EntryPointNode.java:265)
at org.drools.common.NamedEntryPoint.update(NamedEntryPoint.java:483)
at
org.drools.common.AbstractWorkingMemory.update(AbstractWorkingMemory.java:976)
at
org.drools.common.AbstractWorkingMemory.update(AbstractWorkingMemory.java:949)
at
org.drools.impl.StatefulKnowledgeSessionImpl.update(StatefulKnowledgeSessionImpl.java:284)
at
org.apache.stratos.autoscaler.rule.AutoscalerRuleEvaluator.evaluate(AutoscalerRuleEvaluator.java:66)
at
org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor$1.run(ClusterMonitor.java:571)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
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
[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.MVEL.executeExpression(MVEL.java:942)
at
org.drools.base.dataproviders.MVELDataProvider.getResults(MVELDataProvider.java:111)
at org.drools.reteoo.FromNode.modifyLeftTuple(FromNode.java:259)
at
org.drools.reteoo.LeftTupleSource.doModifyLeftTuple(LeftTupleSource.java:304)
at
org.drools.reteoo.LeftTupleSource.modifyLeftTuple(LeftTupleSource.java:278)
at
org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateModifyLeftTuple(SingleLeftTupleSinkAdapter.java:205)
at
org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateModifyObject(SingleLeftTupleSinkAdapter.java:235)
at
org.drools.reteoo.LeftInputAdapterNode.modifyObject(LeftInputAdapterNode.java:170)
at
org.drools.reteoo.SingleObjectSinkAdapter.propagateModifyObject(SingleObjectSinkAdapter.java:68)
at org.drools.reteoo.ObjectTypeNode.modifyObject(ObjectTypeNode.java:314)
at org.drools.reteoo.EntryPointNode.modifyObject(EntryPointNode.java:265)
at org.drools.common.NamedEntryPoint.update(NamedEntryPoint.java:483)
at
org.drools.common.AbstractWorkingMemory.update(AbstractWorkingMemory.java:976)
at
org.drools.common.AbstractWorkingMemory.update(AbstractWorkingMemory.java:949)
at
org.drools.impl.StatefulKnowledgeSessionImpl.update(StatefulKnowledgeSessionImpl.java:284)
at
org.apache.stratos.autoscaler.rule.AutoscalerRuleEvaluator.evaluate(AutoscalerRuleEvaluator.java:66)
at
org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor$1.run(ClusterMonitor.java:571)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
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
Regards,
*Dakshika Jayathilaka*
Software Engineer
WSO2, Inc.
lean.enterprise.middleware
0771100911
