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是由Protostuff代碼生成器生成的類與Protobuf創建的類兼容嗎?Protobuf和Protostuff之間的兼容性
我試圖(德)序列化一些簡單的消息,並得到了一些例外:
始祖文件(WrapperClass.proto)
package tutorial;
option java_package = "com.example.tutorial";
message ProjectId {
required int32 id = 1;
}
message UserId {
required ProjectId project = 1;
required int32 projectUserId = 2;
}
message ChannelId {
required ProjectId project = 1;
required string name = 2;
}
Protostuff到的Protobuf測試(例如)
ProjectId projectId = new ProjectId(1);
byte[] projectarray = ProtostuffIOUtil.toByteArray(projectId, ProjectId.getSchema(), buffer);
com.example.tutorial.WrapperClass.ProjectId returnBufProject = com.example.tutorial.WrapperClass.ProjectId.parseFrom(projectarray);
問題:
一切工作的專案編號,但對於用戶ID和渠道ID(一切稍微複雜一點),我得到:
com.google.protobuf.InvalidProtocolBufferException: Message missing required fields: project
at com.google.protobuf.UninitializedMessageException.asInvalidProtocolBufferException(UninitializedMessageException.java:81)
at com.example.tutorial.WrapperClass$ChannelId$Builder.buildParsed(Test.java:1278)
at com.example.tutorial.WrapperClass$ChannelId$Builder.access$17(Test.java:1273)
at com.example.tutorial.WrapperClass$ChannelId.parseFrom(Test.java:1142)
...
和周圍的其他方式:
的Protobuf到Protostuff測試(例如)
com.example.tutorial.WrapperClass.ProjectId projectId2 = com.example.tutorial.WrapperClass.ProjectId.newBuilder().setId(1).build();
byte[] project2array = projectId2.toByteArray();
ProjectId returnStufProject = new ProjectId();
ProtostuffIOUtil.mergeFrom(project2array, returnStufProject, ProjectId.getSchema());
問題
再次,對於比其他專案編號一切,有一個例外:
java.lang.RuntimeException: Reading from a byte array threw an IOException (should never happen).
at com.dyuproject.protostuff.IOUtil.mergeFrom(IOUtil.java:53)
at com.dyuproject.protostuff.ProtostuffIOUtil.mergeFrom(ProtostuffIOUtil.java:96)
at JacksonTest.main(JacksonTest.java:92)
Caused by: com.dyuproject.protostuff.ProtobufException: Protocol message contained an invalid tag (zero).
at com.dyuproject.protostuff.ProtobufException.invalidTag(ProtobufException.java:98)
at com.dyuproject.protostuff.ByteArrayInput.readFieldNumber(ByteArrayInput.java:220)
at com.example.tutorial.ProjectId$1.mergeFrom(ProjectId.java:115)
at com.example.tutorial.ProjectId$1.mergeFrom(ProjectId.java:1)
at com.dyuproject.protostuff.ByteArrayInput.mergeObjectEncodedAsGroup(ByteArrayInput.java:390)
at com.dyuproject.protostuff.ByteArrayInput.mergeObject(ByteArrayInput.java:362)
at com.example.tutorial.UserId$1.mergeFrom(UserId.java:138)
at com.example.tutorial.UserId$1.mergeFrom(UserId.java:1)
at com.dyuproject.protostuff.IOUtil.mergeFrom(IOUtil.java:43)
... 2 more
我豈是不可能辦到的事還是我唯一做錯了什麼?
我只是在類似情況下遇到了類似的例外。在我的情況下,我傳遞給ProtobufIOUtil.mergeFrom()一個指定了不正確長度的字節數組。 – RenniePet