Fix nullpointer exception in access url migrator

[nadeepoornima]

Description

Migration has stopped at the "ApplicationAccessURLMigrator" step within the IS 5.11.0 to 6.0.0. It has thrown the below error.

INFO {org.wso2.carbon.is.migration.service.v600.migrator.ApplicationAccessURLMigrator} -  WSO2 Product Migration Service Task : Started migrating redirect URLs for tenant: carbon.super
TID: [] [] [2024-01-17 16:50:15,142] [] ERROR {org.wso2.carbon.is.migration.MigrationClientImpl} - Migration process was stopped. java.lang.NullPointerException: Cannot invoke "org.wso2.carbon.user.core.service.RealmService.getTenantManager()" because the return value of "org.wso2.carbon.identity.application.mgt.internal.ApplicationManagementServiceComponentHolder.getRealmService()" is null
    at org.wso2.carbon.identity.application.mgt.dao.impl.ApplicationDAOImpl.getServiceProviderNameByClientId(ApplicationDAOImpl.java:4083)
    at org.wso2.carbon.identity.application.mgt.dao.impl.CacheBackedApplicationDAO.getServiceProviderNameByClientId(CacheBackedApplicationDAO.java:153)
    at org.wso2.carbon.identity.application.mgt.ApplicationManagementServiceImpl.getServiceProviderNameByClientId(ApplicationManagementServiceImpl.java:1074)
    at org.wso2.carbon.identity.application.mgt.ApplicationManagementServiceImpl.getServiceProviderByClientId(ApplicationManagementServiceImpl.java:1240)
    at org.wso2.carbon.is.migration.service.v600.migrator.ApplicationAccessURLMigrator.getServiceProviderByRelyingParty(ApplicationAccessURLMigrator.java:338)
    at org.wso2.carbon.is.migration.service.v600.migrator.ApplicationAccessURLMigrator.migratingRelyingPartyURL(ApplicationAccessURLMigrator.java:136)
    at org.wso2.carbon.is.migration.service.v600.migrator.ApplicationAccessURLMigrator.migrate(ApplicationAccessURLMigrator.java:204)
    at org.wso2.carbon.is.migration.VersionMigration.migrate(VersionMigration.java:52)
    at org.wso2.carbon.is.migration.MigrationClientImpl.execute(MigrationClientImpl.java:85)
    at org.wso2.carbon.identity.core.internal.IdentityCoreServiceComponent.activate(IdentityCoreServiceComponent.java:151)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    at org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:260)
    at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
    at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:345)
    at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620)
    at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197)
    at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343)
    at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222)
    at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:113)
    at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:985)
    at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234)
    at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151)
    at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:866)
    at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:804)
    at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
    at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:228)
    at org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:525)
    at org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:544)
    at org.wso2.carbon.core.init.CarbonServerManager.initializeCarbon(CarbonServerManager.java:529)
    at org.wso2.carbon.core.init.CarbonServerManager.removePendingItem(CarbonServerManager.java:305)
    at org.wso2.carbon.core.init.PreAxis2ConfigItemListener.bundleChanged(PreAxis2ConfigItemListener.java:118)
    at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:973)
    at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234)
    at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:345)

Steps to Reproduce

• Do an identity data migration from APIM 3.0.0 to APIM 4.2.0 with the latest APIM Identity Migration client.

Affected Component

APIM

Version

APIM 4.2.0

Environment Details (with versions)

No response

Relevant Log Output

No response

Related Issues

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Suggested Labels

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