HarmonyOS 如何解读Null Pointer dereference闪退类型，是否有最佳实践例子？

如何解读Null Pointer dereference闪退类型，是否有最佳实践例子？

相关闪退日志：

#00 pc 0000000000005990 /system/lib64/module/arkcompiler/stub.an(BCStub_HandleIstrue+32)
#01 at getLog (xxx|@xxx/msc|1.42.62|src/main/ets/utils/logger/Logger.ts:54:54)
#02 at outLog (xxx|@xxx/msc|1.42.62|src/main/ets/utils/logger/Logger.ts:64:64)
#03 at mscLogErrorWithTag (xxx|@xxx/msc|1.42.62|src/main/ets/utils/logger/Logger.ts:38:38)
#04 at getTopPageContainerVM (xxx|@xxx/msc|1.42.62|src/main/ets/modules/pageManager/PageManager.ts:85:85)
#05 at getRouterContext (xxx|@xxx/msc|1.42.62|src/main/ets/modules/pageManager/PageManager.ts:354:354)
#06 at getRouterContext (xxx|@xxx/msc|1.42.62|src/main/ets/interface/IPageManager.ts:128:128)
#07 at getRouterContext (xxx|@xxx/msc|1.42.62|src/main/ets/modules/msi/provider/ContentProvider.ts:332:332)
#08 at getPageInfo (xxx|@xxx/msc|1.42.62|src/main/ets/modules/msi/provider/ContentProvider.ts:271:271)
#09 at anonymous (xxx|@xxx/msc|1.42.62|src/main/ets/modules/msi/provider/ContentProvider.ts:254:254)
#10 at anonymous (xxx|@msi/runtime|1.2.2|src/main/ets/util/common/index.ts:60:60)
#11 at anonymous (xxx|@msi/runtime|1.2.2|src/main/ets/reporter/ApiLog.ts:158:158)
#12 at anonymous (xxx|@msi/runtime|1.2.2|src/main/ets/reporter/ApiLog.ts:32:32)
#13 at generateMetricsParams (xxx|@msi/runtime|1.2.2|src/main/ets/middleware/Logger.ts:22:22)
#14 at run (xxx|@msi/runtime|1.2.2|src/main/ets/middleware/Logger.ts:35:35)
#15 at anonymous (xxx|@msi/runtime|1.2.2|src/main/ets/manager/MiddlewareManager.ts:82:82)
#16 at n1124 (xxx|@msi/runtime|1.2.2|src/main/ets/manager/MiddlewareManager.ts:42:1)
#17 at i1124 (xxx|@msi/runtime|1.2.2|src/main/ets/manager/MiddlewareManager.ts:45:45)
#18 at runSync (xxx|@msi/runtime|1.2.2|src/main/ets/manager/MiddlewareManager.ts:90:90)
#19 at invoke (xxx|@msi/runtime|1.2.2|src/main/ets/ApiPortal.ts:203:1)
#20 at syncInvoke (xxx|@xxx/msc|1.42.62|src/main/ets/modules/msi/executor/MSIAPIExecutor.ts:19:19)
#21 at syncInvoke (xxx|@xxx/msc|1.42.62|src/main/ets/modules/msi/MSIApiPortalManager.ts:33:33)
#22 at syncInvoke (xxx|@xxx/msc|1.42.62|src/main/ets/modules/msi/MSIManagerImpl.ts:22:22)
#23 at onRequest (xxx|@xxx/msc|1.42.62|src/main/ets/interface/IMSIManager.ts:223:223)
#24 at onAcceptMessage (xxx|@xxx/msc|1.42.62|src/main/ets/moduleManager/ModuleManager.ts:56:56)
#25 at onAcceptRequest (xxx|@xxx/msc|1.42.62|src/main/ets/moduleManager/Channel.ts:117:117)
#26 at onRequest (xxx|@xxx/msc|1.42.62|src/main/ets/moduleManager/Channel.ts:102:102)
#27 at anonymous (xxx|@xxx/msc|1.42.62|src/main/ets/moduleManager/Channel.ts:142:142)