java.lang.NullPointerException

GitHub | DPUkyle | 3 months ago
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  1. 0

    Android java type org.json.JSONObject cannot be converted to JSONArray

    Stack Overflow | 2 years ago
    org.json.JSONException: Value {"data_id":9586,"name":"18 Slot Mithril Box","rarity":1,"restriction_level":0,"img":"https:\/\/render.guildwars2.com\/file\/00A876DFF0B89D18026B9BE4C1239E0BB7BAB81E\/220595.png","type_id":2,"sub_type_id":0,"price_last_changed":"2015-05-28 20:52:14 UTC","max_offer_unit_price":20800,"min_sale_unit_price":26300,"offer_availability":1106,"sale_availability":465,"sale_price_change_last_hour":0,"offer_price_change_last_hour":0,"result_of":[{"recipe_id":511,"name":"18 Slot Mithril Box"}]} of type org.json.JSONObject cannot be converted to JSONArray
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  3. 0

    Maven spring dependency issue

    Stack Overflow | 1 month ago | Soumia
    org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'documentationPluginsBootstrapper' defined in URL [jar:file:/opt/gw/ct-gw-gateway-deployable/0-SNAPSHOT/runtime/jar/application/ct-gw-gateway-app-0-SNAPSHOT.war!/WEB-INF/lib/springfox-spring-web-2.6.1.jar!/springfox/documentation/spring/web/plugins/DocumentationPluginsBootstrapper.class]: Unsatisfied dependency expressed through constructor parameter 1; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'webMvcRequestHandlerProvider' defined in URL [jar:file:/opt/gw/ct-gw-gateway-deployable/0-SNAPSHOT/runtime/jar/application/ct-gw-gateway-app-0-SNAPSHOT.war!/WEB-INF/lib/springfox-spring-web-2.6.1.jar!/springfox/documentation/spring/web/plugins/WebMvcRequestHandlerProvider.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'requestMappingHandlerMapping' defined in com.wirelesscar.componentbase.web.EnablegwWebMvcConfiguration: Invocation of init method failed; nested exception is java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'swagger2ProxySupportController' method public org.springframework.http.ResponseEntity<springfox.documentation.spring.web.json.Json> com.wirelesscar.componentbase.apidocumentation.swagger.Swagger2ProxySupportController.getDocumentation2(java.lang.String,javax.servlet.http.HttpServletRequest) to {[/support-tool-support/api-docs],methods=[GET]}: There is already 'swagger2SupportToolSupportController' bean method public org.springframework.http.ResponseEntity<springfox.documentation.spring.web.json.Json> com.wirelesscar.componentbase.apidocumentation.swagger.Swagger2SupportToolSupportController.getDocumentation(java.lang.String,javax.servlet.http.HttpServletRequest) mapped.
  4. 0

    Incorrect annotation handling while generating 'proxy' class

    GitHub | 5 months ago | seroperson
    java.lang.RuntimeException: java.lang.ClassCastException: gw.internal.gosu.parser.AsmMethodJavaClassMethod cannot be cast to gw.lang.reflect.java.IJavaClassType

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at gw.lang.reflect.json.JsonListType.getName()
    2. gw.lang.reflect
      Json.makeStructureTypes
      1. gw.lang.reflect.json.JsonListType.getName(JsonListType.java:22)
      2. gw.lang.reflect.json.JsonStructureType.render(JsonStructureType.java:73)
      3. gw.lang.reflect.json.Json.makeStructureTypes(Json.java:82)
      3 frames
    3. gw.lang.enhancements
      CoreBindingsEnhancement.toStructure
      1. gw.lang.enhancements.CoreBindingsEnhancement.toStructure(CoreBindingsEnhancement.gsx:21)
      1 frame