This is the undeployApplication API.

Why we are doing something in red here?

As application context is not there, it is throwing NPE.

@Override
public void undeployApplication(String applicationId) {
    try {
        if (log.isInfoEnabled()) {
            log.info("Starting to undeploy application: [application-id] "
+ applicationId);
        }

        ApplicationBuilder.handleApplicationUndeployed(applicationId);

        ApplicationContext applicationContext =
AutoscalerContext.getInstance().getApplicationContext(applicationId);
        applicationContext.setStatus(ApplicationContext.STATUS_CREATED);

AutoscalerContext.getInstance().updateApplicationContext(applicationContext);

        DeploymentPolicy deploymentPolicy =
PolicyManager.getInstance().getDeploymentPolicy(applicationId);

PolicyManager.getInstance().removeDeploymentPolicy(deploymentPolicy);

        if (log.isInfoEnabled()) {
            log.info("Application undeployed successfully: [application-id]
" + applicationId);
        }
    } catch (Exception e) {
        String message = "Could not undeploy application: [application-id]
" + applicationId;
        log.error(message, e);
        throw new RuntimeException(message, e);
    }
}

Thanks.

On Mon, Jan 5, 2015 at 9:45 AM, Rajkumar Rajaratnam <[email protected]>
wrote:

> Hi Devs,
>
> $Subject on master branch.
>
>
> [2015-01-05 09:28:05,813]  INFO
> {org.apache.stratos.autoscaler.api.AutoScalerServiceImpl} -  Starting to
> undeploy application: [application-id] single-cartridge-app
> [2015-01-05 09:28:05,813]  WARN
> {org.apache.stratos.autoscaler.applications.topic.ApplicationBuilder} -
> Application does not exist: [application-id] single-cartridge-app
> [2015-01-05 09:28:05,815] ERROR
> {org.apache.stratos.autoscaler.api.AutoScalerServiceImpl} -  Could not
> undeploy application: [application-id] single-cartridge-app
> java.lang.NullPointerException
>     at
> org.apache.stratos.autoscaler.api.AutoScalerServiceImpl.undeployApplication(AutoScalerServiceImpl.java:297)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>     at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>     at java.lang.reflect.Method.invoke(Method.java:597)
>     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$SocketProcessor.run(NioEndpoint.java:1653)
>     at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
>     at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
>     at java.lang.Thread.run(Thread.java:662)
> [2015-01-05 09:28:05,816] ERROR
> {org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver} -  Could not
> undeploy application: [application-id] single-cartridge-app
> java.lang.RuntimeException: Could not undeploy application:
> [application-id] single-cartridge-app
>     at
> org.apache.stratos.autoscaler.api.AutoScalerServiceImpl.undeployApplication(AutoScalerServiceImpl.java:309)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>     at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>     at java.lang.reflect.Method.invoke(Method.java:597)
>     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$SocketProcessor.run(NioEndpoint.java:1653)
>     at
> java.util.concurrent.ThreadPoolExecutor$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.apache.stratos.autoscaler.api.AutoScalerServiceImpl.undeployApplication(AutoScalerServiceImpl.java:297)
>     ... 44 more
> [2015-01-05 09:28:05,817] ERROR
> {org.apache.axis2.receivers.AbstractMessageReceiver} -
> org.apache.axis2.AxisFault: Could not undeploy application:
> [application-id] single-cartridge-app
>
>
> Thanks.
>
> --
> Rajkumar Rajaratnam
> Committer & PMC Member, Apache Stratos
> Software Engineer, WSO2
>
> Mobile : +94777568639
> Blog : rajkumarr.com
>



-- 
Rajkumar Rajaratnam
Committer & PMC Member, Apache Stratos
Software Engineer, WSO2

Mobile : +94777568639
Blog : rajkumarr.com

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