PowerFlex: REST API çağrısı eksik yanıtla başarısız oluyor
Summary: REST API çağrısı tamamlanmamış bir yanıtla başarısız oluyor.
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Δεν προσδιορίζονται όλες οι εκδόσεις προϊόντων σε αυτό το άρθρο.
Symptoms
Bazı REST API çağrıları (ör./api/instances") eksik yanıtla başarısız olur. Örneğin:
...vtreeMigrationInfo":{"sourceStoragePoolId":"<storage_pool_id>","destinationStoragePoolId":{"message":"ERROR","httpStatusCode":500,"errorCode":0}
Ancak localhost_access günlüğü başarılı bir istek bildiriyor (durum 200):
<client ip> - - [12/Jun/2020:13:23:01 +0000] "GET /api/instances HTTP/1.1" 200 106376
scaleio-trace.log aşağıdaki İstisnayı içerir:
2020-06-12 13:23:01,377 [https-jsse-nio-443-exec-8] DEBUG o.s.w.s.m.m.a.ExceptionHandlerExceptionResolver - Resolving exception from handler [public java.lang.Object com.emc.s3g.scaleio.web.controller.SpecialImplController.getAllInstances(javax.servlet.http.HttpServletRequest) throws com.emc.s3g.scaleio.common.gateway.ScaleIOException]: org.springframework.http.converter.HttpMessageNotWritableException: Could not write JSON: (was java.lang.NullPointerException) (through reference chain: java.util.HashMap["vTreeList"]->java.util.ArrayList[74]->com.emc.s3g.scaleio.repository.entity.wrappers.VTreeWrapper["rootVolumes"]); nested exception is org.codehaus.jackson.map.JsonMappingException: (was java.lang.NullPointerException) (through reference chain: java.util.HashMap["vTreeList"]->java.util.ArrayList[74]->com.emc.s3g.scaleio.repository.entity.wrappers.VTreeWrapper["rootVolumes"]) 2020-06-12 13:23:01,377 [https-jsse-nio-443-exec-8] DEBUG o.s.w.s.m.m.a.ExceptionHandlerExceptionResolver - Invoking @ExceptionHandler method: public com.emc.s3g.scaleio.web.entity.Result com.emc.s3g.scaleio.web.controller.BaseController.handleException(java.lang.Exception,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 2020-06-12 13:23:01,389 [https-jsse-nio-443-exec-8] ERROR c.e.s.s.w.c.SpecialImplController - Got an exception in handleException org.springframework.http.converter.HttpMessageNotWritableException: Could not write JSON: (was java.lang.NullPointerException) (through reference chain: java.util.HashMap["vTreeList"]->java.util.ArrayList[74]->com.emc.s3g.scaleio.repos itory.entity.wrappers.VTreeWrapper["rootVolumes"]); nested exception is org.codehaus.jackson.map.JsonMappingException: (was java.lang.NullPointerException
Senaryo
REST API çağrısı yapılmadan kısa bir süre önce disk bölümü silme işlemleri gerçekleşti.
Etki
REST API sorgu hataları
Cause
Birim silme işlemi zaman alır ve tüm veri yapıları aynı anda kaldırılmaz. Bu durum, REST API sunucusunun bazı REST API çağrılarına yanıt oluşturamamasına neden olabilir.
Resolution
Daha sonra tekrar deneyin.
Disk bölümü silme işlemi için arka plan işlemi tamamlandıktan sonra aynı REST API çağrısı başarılı olmalıdır.
Additional Information
Etkilenen Sürümler
3.0.x
, 3.0.1.x
Επηρεαζόμενα προϊόντα
PowerFlex appliance Intelligent Catalog Software, PowerFlex SoftwareΠροϊόντα
PowerFlex rack, VxFlex Ready Nodes, PowerFlex Appliance, PowerFlex custom node, ScaleIO, PowerFlex appliance R650, PowerFlex appliance R6525, PowerFlex appliance R660, PowerFlex appliance R6625, Powerflex appliance R750, PowerFlex appliance R760
, PowerFlex appliance R7625, PowerFlex custom node, PowerFlex custom node R650, PowerFlex custom node R6525, PowerFlex custom node R660, PowerFlex custom node R6625, PowerFlex custom node R750, PowerFlex custom node R760, PowerFlex custom node R7625, PowerFlex rack connectivity, PowerFlex rack HW, PowerFlex rack RCM Software, VxFlex Ready Node, VxFlex Ready Node R640, VxFlex Ready Node R740xd, PowerFlex appliance R640, PowerFlex appliance R740XD, PowerFlex appliance R7525, PowerFlex appliance R840, VxFlex Ready Node R840
...
Ιδιότητες άρθρου
Article Number: 000081700
Article Type: Solution
Τελευταία τροποποίηση: 24 Νοε 2025
Version: 4
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