Hi Udara,

This is the backend log, when trying to undeploy and application via the UI
[1] and using the cURL command [2] (The UI one is detailed so including
both here)

[1]

[2015-04-02 11:19:05,051] ERROR
{org.apache.axis2.receivers.AbstractMessageReceiver} -
org.apache.axis2.AxisFault: Could not start application undeployment
process: [application-id] complex-app

[2015-04-02 11:19:26,272]  INFO
{org.apache.stratos.autoscaler.services.impl.AutoscalerServiceImpl} -
Starting to undeploy application: [application-id] complex-app

[2015-04-02 11:19:26,273]  INFO
{org.apache.stratos.autoscaler.services.impl.AutoscalerServiceImpl} -
Removing application signup: [application-id] complex-app

[2015-04-02 11:19:26,283] ERROR
{org.apache.stratos.autoscaler.services.impl.AutoscalerServiceImpl} -
Could not start application undeployment process: [application-id]
complex-app

org.apache.stratos.autoscaler.exception.AutoScalerException: No such
application id [complex-app] exists

at
org.apache.stratos.autoscaler.context.AutoscalerContext.removeNetworkPartitionAlgorithmContextInInformationModel(AutoscalerContext.java:239)

at
org.apache.stratos.autoscaler.context.AutoscalerContext.removeNetworkPartitionAlgorithmContext(AutoscalerContext.java:223)

at
org.apache.stratos.autoscaler.services.impl.AutoscalerServiceImpl.undeployApplication(AutoscalerServiceImpl.java:383)

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.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:212)

at
org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver.invokeBusinessLogic(RPCInOnlyMessageReceiver.java:66)

at
org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110)

at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)

at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)

at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146)

at
org.wso2.carbon.core.transports.CarbonServlet.doPost(CarbonServlet.java:231)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:755)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)

at
org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61)

at
org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:128)

at
org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)

at
org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.service(DelegationServlet.java:68)

at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)

at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

at
org.wso2.carbon.tomcat.ext.filter.CharacterSetFilter.doFilter(CharacterSetFilter.java:61)

at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)

at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)

at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)

at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)

at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)

at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)

at
org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:178)

at
org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve$1.invoke(CarbonTomcatValve.java:47)

at
org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:56)

at
org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47)

at
org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:141)

at
org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:156)

at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)

at
org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:52)

at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)

at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)

at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)

at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)

at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653)

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:745)

[2015-04-02 11:19:26,285] ERROR
{org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver} -  Could not
start application undeployment process: [application-id] complex-app

java.lang.RuntimeException: Could not start application undeployment
process: [application-id] complex-app

at
org.apache.stratos.autoscaler.services.impl.AutoscalerServiceImpl.undeployApplication(AutoscalerServiceImpl.java:393)

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.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:212)

at
org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver.invokeBusinessLogic(RPCInOnlyMessageReceiver.java:66)

at
org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110)

at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)

at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)

at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146)

at
org.wso2.carbon.core.transports.CarbonServlet.doPost(CarbonServlet.java:231)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:755)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)

at
org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61)

at
org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:128)

at
org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)

at
org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.service(DelegationServlet.java:68)

at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)

at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

at
org.wso2.carbon.tomcat.ext.filter.CharacterSetFilter.doFilter(CharacterSetFilter.java:61)

at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)

at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)

at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)

at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)

at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)

at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)

at
org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:178)

at
org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve$1.invoke(CarbonTomcatValve.java:47)

at
org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:56)

at
org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47)

at
org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:141)

at
org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:156)

at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)

at
org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:52)

at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)

at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)

at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)

at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)

at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653)

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:745)

Caused by: org.apache.stratos.autoscaler.exception.AutoScalerException: No
such application id [complex-app] exists

at
org.apache.stratos.autoscaler.context.AutoscalerContext.removeNetworkPartitionAlgorithmContextInInformationModel(AutoscalerContext.java:239)

at
org.apache.stratos.autoscaler.context.AutoscalerContext.removeNetworkPartitionAlgorithmContext(AutoscalerContext.java:223)

at
org.apache.stratos.autoscaler.services.impl.AutoscalerServiceImpl.undeployApplication(AutoscalerServiceImpl.java:383)

... 44 more

[2]

[2015-04-02 11:19:26,286] ERROR
{org.apache.axis2.receivers.AbstractMessageReceiver} -
org.apache.axis2.AxisFault: Could not start application undeployment
process: [application-id] complex-app

Thanks & Regards
Shavindri Dissanayake
Technical Writer
LinkedIn Profile
<https://www.linkedin.com/profile/view?id=112227277&trk=nav_responsive_tab_profile>
Mob: 0779966739

WSO2 Inc.
lean.enterprise.middleware

On Thu, Apr 2, 2015 at 11:06 AM, Udara Liyanage <ud...@wso2.com> wrote:

> Hi,
>
> Policies and cartridges will not be allowed to delete if they are being
> used by an application. This is the expected behavior.
> The correct flow is to
>    Undeploy application
>    Delete application
>    Then remove policies or cartidges
>
> The issue here is application undeployment has failed for some reason.
> Could you please share the backend logs after you undeploy the application.
>
> There is alreay an issue that you can not recover if an application
> undeployment is failed for some reason. I am in the process of implementing
> an UndeployForcefull process to forcefully undeploy application. Will
> update you once done.
>
> On Thu, Apr 2, 2015 at 10:58 AM, Mariangela Hills <mariang...@wso2.com>
> wrote:
>
>> Hi Devs,
>> When working with the single cartridge application I too faced the same
>> issue when trying to undeploy the auto-scaling policy and application.
>> However, in my case as I modified the sample and made it a multi-tenant
>> application and deployed it I was not sure whether it was something that I
>> did wrong that triggered this to happen. Therefore, I did not report the
>> issue. However, if Shavindri has faced a similar issue I think that it is
>> worth looking into.
>>
>> Regards,
>> Mariangela
>>
>>
>>
>>
>> *--*
>> Mariangela Hills
>> Senior Technical Writer
>>
>> *WSO2, Inc.*lean.enterprise.middleware.
>>
>>
>> On Thu, Apr 2, 2015 at 10:48 AM, Shavindri Dissanayake <
>> shavin...@wso2.com> wrote:
>>
>>> Hi Devs,
>>>
>>> I am in the process of documenting the samples in wiki, and testing if
>>> the steps documented run accordingly. I faced the following issue when
>>> doing so.
>>>
>>> Deployed the Complex-app application in the respective sample. Next the
>>> application was successfully undeployed  and deleted [1]. There after step
>>> by step I removed the artifacts added to the application, but when trying
>>> to remove the auto-scaling policy an error message was given mentioning
>>> that the auto-scaling policy cannot be removed because the application is
>>> using it [2].
>>>
>>> Then I went to the UI and checked. It shows that the application is
>>> still deployed. When trying to undeploy the application via the UI too, the
>>> success message is given saying the application is undeployed successfully
>>> but the application does not get undeployed.
>>>
>>> Do you know why a user might face this issue? Is this regarding to any
>>> steps followed when undeploying an application ?
>>>
>>>
>>>
>>> [1]
>>>
>>> Shavindris-MacBook-Air:samples shavindridissanayake$
>>>
>>> Shavindris-MacBook-Air:samples shavindridissanayake$ curl -X POST -H
>>> "Content-Type: application/json" -k -v -u admin:admin
>>> https://localhost:9443/api/applications/complex-app/undeploy
>>>
>>> * Hostname was NOT found in DNS cache
>>>
>>> *   Trying ::1...
>>>
>>> * Connected to localhost (::1) port 9443 (#0)
>>>
>>> * TLS 1.2 connection using TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
>>>
>>> * Server certificate: localhost
>>>
>>> * Server auth using Basic with user 'admin'
>>>
>>> > POST /api/applications/complex-app/undeploy HTTP/1.1
>>>
>>> > Authorization: Basic YWRtaW46YWRtaW4=
>>>
>>> > User-Agent: curl/7.37.1
>>>
>>> > Host: localhost:9443
>>>
>>> > Accept: */*
>>>
>>> > Content-Type: application/json
>>>
>>> >
>>>
>>> < HTTP/1.1 202 Accepted
>>>
>>> < Date: Thu, 02 Apr 2015 04:37:03 GMT
>>>
>>> < Content-Type: application/json
>>>
>>> < Transfer-Encoding: chunked
>>>
>>> * Server WSO2 Carbon Server is not blacklisted
>>>
>>> < Server: WSO2 Carbon Server
>>>
>>> <
>>>
>>> * Connection #0 to host localhost left intact
>>>
>>> {"statusCode":202,"successMessage":"Application undeployed successfully:
>>> [application] complex-app"}Shavindris-MacBook-Air:samples
>>> shavindridissanayake$
>>>
>>> Shavindris-MacBook-Air:samples shavindridissanayake$
>>>
>>> Shavindris-MacBook-Air:samples shavindridissanayake$ curl -X DELETE -H
>>> "Content-Type: application/json" -k -v -u admin:admin
>>> https://localhost:9443/api/applications/complex-app
>>>
>>> * Hostname was NOT found in DNS cache
>>>
>>> *   Trying ::1...
>>>
>>> * Connected to localhost (::1) port 9443 (#0)
>>>
>>> * TLS 1.2 connection using TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
>>>
>>> * Server certificate: localhost
>>>
>>> * Server auth using Basic with user 'admin'
>>>
>>> > DELETE /api/applications/complex-app HTTP/1.1
>>>
>>> > Authorization: Basic YWRtaW46YWRtaW4=
>>>
>>> > User-Agent: curl/7.37.1
>>>
>>> > Host: localhost:9443
>>>
>>> > Accept: */*
>>>
>>> > Content-Type: application/json
>>>
>>> >
>>>
>>> < HTTP/1.1 200 OK
>>>
>>> < Date: Thu, 02 Apr 2015 04:37:22 GMT
>>>
>>> < Content-Type: application/json
>>>
>>> < Transfer-Encoding: chunked
>>>
>>> * Server WSO2 Carbon Server is not blacklisted
>>>
>>> < Server: WSO2 Carbon Server
>>>
>>> <
>>>
>>> * Connection #0 to host localhost left intact
>>>
>>> {"statusCode":200,"successMessage":"Application deleted successfully:
>>> [application] complex-app"}Shavindris-MacBook-Air:samples
>>> shavindridissanayake$
>>>
>>>
>>> [2]
>>>
>>> Shavindris-MacBook-Air:samples shavindridissanayake$ curl -X DELETE -H
>>> "Content-Type: application/json" -k -v -u admin:admin
>>> https://localhost:9443/api/autoscalingPolicies/autoscaling-policy-1
>>>
>>> * Hostname was NOT found in DNS cache
>>>
>>> *   Trying ::1...
>>>
>>> * Connected to localhost (::1) port 9443 (#0)
>>>
>>> * TLS 1.2 connection using TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
>>>
>>> * Server certificate: localhost
>>>
>>> * Server auth using Basic with user 'admin'
>>>
>>> > DELETE /api/autoscalingPolicies/autoscaling-policy-1 HTTP/1.1
>>>
>>> > Authorization: Basic YWRtaW46YWRtaW4=
>>>
>>> > User-Agent: curl/7.37.1
>>>
>>> > Host: localhost:9443
>>>
>>> > Accept: */*
>>>
>>> > Content-Type: application/json
>>>
>>> >
>>>
>>> < HTTP/1.1 400 Bad Request
>>>
>>> < Date: Thu, 02 Apr 2015 05:07:17 GMT
>>>
>>> < Content-Type: application/json
>>>
>>> < Transfer-Encoding: chunked
>>>
>>> < Connection: close
>>>
>>> * Server WSO2 Carbon Server is not blacklisted
>>>
>>> < Server: WSO2 Carbon Server
>>>
>>> <
>>>
>>> * Closing connection 0
>>>
>>> {"errorCode":400,"errorMessage":"This autoscaler policy cannot be
>>> removed, since it is used in applications."}Shavindris-MacBook-Air:samples
>>> shavindridissanayake$
>>>
>>> [3]
>>>
>>> [2015-04-02 10:39:20,873]  INFO
>>> {org.apache.stratos.rest.endpoint.api.StratosApiV41Utils} -  Removing
>>> autoscaling policy: [id] autoscaling-policy-1
>>>
>>> [2015-04-02 10:39:20,891] ERROR
>>> {org.apache.stratos.rest.endpoint.api.StratosApiV41Utils} -  This
>>> autoscaler policy cannot be removed, since it is used in applications.
>>>
>>> org.apache.stratos.autoscaler.stub.AutoscalerServiceInvalidPolicyExceptionException:
>>> AutoscalerServiceInvalidPolicyExceptionException
>>>
>>> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>>>
>>> at
>>> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
>>>
>>> at
>>> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>>>
>>> at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
>>>
>>> at java.lang.Class.newInstance(Class.java:379)
>>>
>>> at
>>> org.apache.stratos.autoscaler.stub.AutoscalerServiceStub.removeAutoScalingPolicy(AutoscalerServiceStub.java:2063)
>>>
>>> at
>>> org.apache.stratos.common.client.AutoscalerServiceClient.removeAutoscalingPolicy(AutoscalerServiceClient.java:160)
>>>
>>> at
>>> org.apache.stratos.rest.endpoint.api.StratosApiV41Utils.removeAutoscalingPolicy(StratosApiV41Utils.java:731)
>>>
>>> at
>>> org.apache.stratos.rest.endpoint.api.StratosApiV41.removeAutoscalingPolicy(StratosApiV41.java:1063)
>>>
>>> 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.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)
>>>
>>> at
>>> org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
>>>
>>> at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:194)
>>>
>>> at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:100)
>>>
>>> at
>>> org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:57)
>>>
>>> at
>>> org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:93)
>>>
>>> at
>>> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:271)
>>>
>>> at
>>> org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
>>>
>>> at
>>> org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:239)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:223)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:203)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:137)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:159)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.AbstractHTTPServlet.doDelete(AbstractHTTPServlet.java:217)
>>>
>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:761)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262)
>>>
>>> at
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>>>
>>> at
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>
>>> at
>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
>>>
>>> at
>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
>>>
>>> at
>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
>>>
>>> at
>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
>>>
>>> at
>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:178)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve$1.invoke(CarbonTomcatValve.java:47)
>>>
>>> at
>>> org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:56)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:141)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:156)
>>>
>>> at
>>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:52)
>>>
>>> at
>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>>
>>> at
>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
>>>
>>> at
>>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
>>>
>>> at
>>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
>>>
>>> at
>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653)
>>>
>>> at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>
>>> at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>
>>> at java.lang.Thread.run(Thread.java:745)
>>>
>>> [2015-04-02 10:39:20,893] ERROR
>>> {org.apache.stratos.rest.endpoint.handlers.CustomExceptionMapper} -  This
>>> autoscaler policy cannot be removed, since it is used in applications.
>>>
>>> org.apache.stratos.rest.endpoint.exception.RestAPIException: This
>>> autoscaler policy cannot be removed, since it is used in applications.
>>>
>>> at
>>> org.apache.stratos.rest.endpoint.api.StratosApiV41Utils.removeAutoscalingPolicy(StratosApiV41Utils.java:738)
>>>
>>> at
>>> org.apache.stratos.rest.endpoint.api.StratosApiV41.removeAutoscalingPolicy(StratosApiV41.java:1063)
>>>
>>> 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.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)
>>>
>>> at
>>> org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
>>>
>>> at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:194)
>>>
>>> at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:100)
>>>
>>> at
>>> org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:57)
>>>
>>> at
>>> org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:93)
>>>
>>> at
>>> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:271)
>>>
>>> at
>>> org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
>>>
>>> at
>>> org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:239)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:223)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:203)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:137)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:159)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.AbstractHTTPServlet.doDelete(AbstractHTTPServlet.java:217)
>>>
>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:761)
>>>
>>> at
>>> org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262)
>>>
>>> at
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>>>
>>> at
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>
>>> at
>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
>>>
>>> at
>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
>>>
>>> at
>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
>>>
>>> at
>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
>>>
>>> at
>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:178)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve$1.invoke(CarbonTomcatValve.java:47)
>>>
>>> at
>>> org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:56)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:141)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:156)
>>>
>>> at
>>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
>>>
>>> at
>>> org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:52)
>>>
>>> at
>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>>
>>> at
>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
>>>
>>> at
>>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
>>>
>>> at
>>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
>>>
>>> at
>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653)
>>>
>>> at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>
>>> at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>
>>> at java.lang.Thread.run(Thread.java:745)
>>>
>>> Caused by:
>>> org.apache.stratos.autoscaler.stub.AutoscalerServiceInvalidPolicyExceptionException:
>>> AutoscalerServiceInvalidPolicyExceptionException
>>>
>>> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>>>
>>> at
>>> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
>>>
>>> at
>>> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>>>
>>> at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
>>>
>>> at java.lang.Class.newInstance(Class.java:379)
>>>
>>> at
>>> org.apache.stratos.autoscaler.stub.AutoscalerServiceStub.removeAutoScalingPolicy(AutoscalerServiceStub.java:2063)
>>>
>>> at
>>> org.apache.stratos.common.client.AutoscalerServiceClient.removeAutoscalingPolicy(AutoscalerServiceClient.java:160)
>>>
>>> at
>>> org.apache.stratos.rest.endpoint.api.StratosApiV41Utils.removeAutoscalingPolicy(StratosApiV41Utils.java:731)
>>>
>>> ... 45 more
>>>
>>>
>>>
>>> Thanks & Regards
>>> Shavindri Dissanayake
>>> Technical Writer
>>> LinkedIn Profile
>>> <https://www.linkedin.com/profile/view?id=112227277&trk=nav_responsive_tab_profile>
>>> Mob: 0779966739
>>>
>>> WSO2 Inc.
>>> lean.enterprise.middleware
>>>
>>
>>
>
>
> --
>
> Udara Liyanage
> Software Engineer
> WSO2, Inc.: http://wso2.com
> lean. enterprise. middleware
>
> web: http://udaraliyanage.wordpress.com
> phone: +94 71 443 6897
>

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