Pubudu Chinthaka Gunatilaka created STRATOS-605:
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Summary: Validation for wrong Autoscale Policy given in cartridge
subscription in CLI tool
Key: STRATOS-605
URL: https://issues.apache.org/jira/browse/STRATOS-605
Project: Stratos
Issue Type: Bug
Components: CLI
Affects Versions: 4.0.0 RC1
Environment: EC2
Reporter: Pubudu Chinthaka Gunatilaka
When trying to subscribe to a cartridge through CLI, for a wrong autoscale
policy, cartridge get subscribed. An instance get spawned and after sometime
an exception is thrown at the back end.
Command Used:
subscribe-cartridge mysql mypub45 -dp economyDeploymentPolicy -ap
simplfdeAutoscalePolicykk
Reply Message:
You have successfully subscribed to mysql cartridge with alias mypub45.
Please map the host name "mypub45.apachestratos.org" to LB IP
Exception in Back end:
TID: [0] [STRATOS] [2014-04-11 09:16:06,325] ERROR
{org.apache.stratos.autoscaler.monitor.ClusterMonitor} - Cluster monitor:
Monitor failed.ClusterMonitor [clusterId=mypub45.mysql.domain, serviceId=mysql,
deploymentPolicy=Deployment Policy [id]economyDeploymentPolicy [partitions]
[org.apache.stratos.cloud.controller.stub.deployment.partition.Partition@103cb01a],
autoscalePolicy=null, lbReferenceType=default.load.balancer]
{org.apache.stratos.autoscaler.monitor.ClusterMonitor}
[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.evaluateScaleCheck(AutoscalerRuleEvaluator.java:101)
at
org.apache.stratos.autoscaler.monitor.ClusterMonitor.monitor(ClusterMonitor.java:121)
at
org.apache.stratos.autoscaler.monitor.ClusterMonitor.run(ClusterMonitor.java:72)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException
at
org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:397)
... 25 more
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