【7.0.104】打印/导出页面到PDF命令执行出现异常

在页面执行打印按钮命令之后，页面地址显示异常内容如下：
http://localhost:36192/Home/ExportFile?key=894c665a-ee36-4e33-93a8-2e3671707e1b

1. 在执行导出操作时，未知的异常出现。请再次尝试。
   
2. {
   
3.   "ClassName": "System.AggregateException",
   
4.   "Message": "One or more errors occurred.",
   
5.   "Data": null,
   
6.   "InnerException": {
   
7.     "$type": "Newtonsoft.Json.JsonSerializationException, Newtonsoft.Json",
   
8.     "ClassName": "Newtonsoft.Json.JsonSerializationException",
   
9.     "Message": "Error resolving type specified in JSON 'FilePreviewer.FilePreviewer, FilePreviewer'. Path 'AttachInfos.15,1.CellType.$type', line 612, position 61.",
   
10.     "Data": null,
    
11.     "InnerException": {
    
12.       "$type": "Newtonsoft.Json.JsonSerializationException, Newtonsoft.Json",
    
13.       "ClassName": "Newtonsoft.Json.JsonSerializationException",
    
14.       "Message": "Could not find type 'FilePreviewer.FilePreviewer' in assembly 'FilePreviewer, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'.",
    
15.       "Data": null,
    
16.       "InnerException": null,
    
17.       "HelpURL": null,
    
18.       "StackTraceString": "   at Newtonsoft.Json.Serialization.DefaultSerializationBinder.GetTypeFromTypeNameKey(StructMultiKey`2 typeNameKey)
    
19.    at System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory)
    
20.    at Newtonsoft.Json.Serialization.DefaultSerializationBinder.BindToType(String assemblyName, String typeName)
    
21.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ResolveTypeName(JsonReader reader, Type& objectType, JsonContract& contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, String qualifiedTypeName)",
    
22.       "RemoteStackTraceString": null,
    
23.       "RemoteStackIndex": 0,
    
24.       "ExceptionMethod": null,
    
25.       "HResult": -2146233088,
    
26.       "Source": "Newtonsoft.Json",
    
27.       "WatsonBuckets": null
    
28.     },
    
29.     "HelpURL": null,
    
30.     "StackTraceString": "   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ResolveTypeName(JsonReader reader, Type& objectType, JsonContract& contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, String qualifiedTypeName)
    
31.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ReadMetadataProperties(JsonReader reader, Type& objectType, JsonContract& contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue, Object& newValue, String& id)
    
32.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
    
33.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
    
34.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)
    
35.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)
    
36.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
    
37.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
    
38.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateDictionary(IDictionary dictionary, JsonReader reader, JsonDictionaryContract contract, JsonProperty containerProperty, String id)
    
39.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
    
40.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
    
41.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)
    
42.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)
    
43.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
    
44.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
    
45.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
    
46.    at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
    
47.    at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)
    
48.    at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings)
    
49.    at Forguncy.Server2.Controllers.Export.an.a[a](String A_0)",
    
50.     "RemoteStackTraceString": null,
    
51.     "RemoteStackIndex": 0,
    
52.     "ExceptionMethod": null,
    
53.     "HResult": -2146233088,
    
54.     "Source": "Newtonsoft.Json",
    
55.     "WatsonBuckets": null
    
56.   },
    
57.   "HelpURL": null,
    
58.   "StackTraceString": "   at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
    
59.    at Forguncy.Server2.Controllers.Export.an..ctor(String A_0, String A_1)
    
60.    at Forguncy.Server2.Controllers.a.d(String A_0)
    
61.    at Forguncy.Server2.Controllers.a.n()
    
62.    at Forguncy.Server2.Controllers.a.o()
    
63.    at Forguncy.Server2.Controllers.a.c(Boolean A_0)
    
64.    at Forguncy.Server2.Controllers.a.i()
    
65.    at Forguncy.Server2.Controllers.HomeController.a(Object A_0)",
    
66.   "RemoteStackTraceString": null,
    
67.   "RemoteStackIndex": 0,
    
68.   "ExceptionMethod": null,
    
69.   "HResult": -2146233088,
    
70.   "Source": "System.Private.CoreLib",
    
71.   "WatsonBuckets": null,
    
72.   "InnerExceptions": {
    
73.     "$type": "System.Exception[], System.Private.CoreLib",
    
74.     "$values": [
    
75.       {
    
76.         "$type": "Newtonsoft.Json.JsonSerializationException, Newtonsoft.Json",
    
77.         "ClassName": "Newtonsoft.Json.JsonSerializationException",
    
78.         "Message": "Error resolving type specified in JSON 'FilePreviewer.FilePreviewer, FilePreviewer'. Path 'AttachInfos.15,1.CellType.$type', line 612, position 61.",
    
79.         "Data": null,
    
80.         "InnerException": {
    
81.           "$type": "Newtonsoft.Json.JsonSerializationException, Newtonsoft.Json",
    
82.           "ClassName": "Newtonsoft.Json.JsonSerializationException",
    
83.           "Message": "Could not find type 'FilePreviewer.FilePreviewer' in assembly 'FilePreviewer, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'.",
    
84.           "Data": null,
    
85.           "InnerException": null,
    
86.           "HelpURL": null,
    
87.           "StackTraceString": "   at Newtonsoft.Json.Serialization.DefaultSerializationBinder.GetTypeFromTypeNameKey(StructMultiKey`2 typeNameKey)
    
88.    at System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory)
    
89.    at Newtonsoft.Json.Serialization.DefaultSerializationBinder.BindToType(String assemblyName, String typeName)
    
90.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ResolveTypeName(JsonReader reader, Type& objectType, JsonContract& contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, String qualifiedTypeName)",
    
91.           "RemoteStackTraceString": null,
    
92.           "RemoteStackIndex": 0,
    
93.           "ExceptionMethod": null,
    
94.           "HResult": -2146233088,
    
95.           "Source": "Newtonsoft.Json",
    
96.           "WatsonBuckets": null
    
97.         },
    
98.         "HelpURL": null,
    
99.         "StackTraceString": "   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ResolveTypeName(JsonReader reader, Type& objectType, JsonContract& contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, String qualifiedTypeName)
    
100.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ReadMetadataProperties(JsonReader reader, Type& objectType, JsonContract& contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue, Object& newValue, String& id)
     
101.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
     
102.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
     
103.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)
     
104.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)
     
105.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
     
106.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
     
107.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateDictionary(IDictionary dictionary, JsonReader reader, JsonDictionaryContract contract, JsonProperty containerProperty, String id)
     
108.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
     
109.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
     
110.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)
     
111.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)
     
112.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
     
113.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
     
114.    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
     
115.    at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
     
116.    at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)
     
117.    at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings)
     
118.    at Forguncy.Server2.Controllers.Export.an.a[a](String A_0)",
     
119.         "RemoteStackTraceString": null,
     
120.         "RemoteStackIndex": 0,
     
121.         "ExceptionMethod": null,
     
122.         "HResult": -2146233088,
     
123.         "Source": "Newtonsoft.Json",
     
124.         "WatsonBuckets": null
     
125.       }
     
126.     ]
     
127.   }
     
128. }
     
129. 
     
130. CurrentMethodName: ExportToExcelThread

复制代码

您好，看这个报错应该是filepreviewer插件的问题。您可以尝试重装一下对应版本的filepreviewer插件，来解决这个问题。方便的话建议您可以发一个demo上来，这样我们也可以更好的帮助到您