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是由Protostuff代码生成器生成的类与Protobuf创建的类兼容吗?Protobuf和Protostuff之间的兼容性
我试图(德)序列化一些简单的消息,并得到了一些例外:
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测试(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);
问题:
一切工作的专案编号,但对于用户ID和渠道ID(一切稍微复杂一点),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)
...
和周围的其他方式:
的Protobuf到Protostuff测试(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());
问题
再次,对于比其他专案编号一切,有一个例外:
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
我岂是不可能办到的事还是我唯一做错了什么?
我只是在类似情况下遇到了类似的例外。在我的情况下,我传递给ProtobufIOUtil.mergeFrom()一个指定了不正确长度的字节数组。 – RenniePet