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Questions tagged [protobuf-java]

289 questions
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Protobuff message from Java List>

I've been trying to package Java List> to a protobuf3 message and I am just wondering what would be the best way to define a proto file that can package such a List and how to map it effectively, since I've been trying and couldn't make it work. My…
Luka Špoljarić
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How to set environment variable LD_LIBRARY_PATH through build.gradle to generate protobuf code

I am using protobuf gradle plugin in my build.gradle file to generate grpc and reactor gprc java code. Due to the security constraints, I cannot use the plugin directly from the maven central. I have to download those plugins and provide the local…
Rohan Gujarathi
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How to serialize a instance of third party java class into protobuf in akka

currently, I'm sending Java class object as message to Scala Akka Actors. The java classes are generated from json which is here. So I have limited access to change anything related to this class. Right now the messages are serialized using akka…
user51
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Android GRPC Protobuf not building/linking correctly

I am using protobufs in gradle java in my project but am having an issue parsing the proto below https://github.com/lightningnetwork/lnd/blob/master/lnrpc/rpc.proto It seems to not build correctly and all of my classes are not found If I comment out…
MandelDuck
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Spring MVC generating exception with google Protobuf 3

I need you guys to help me, please! My application generates the following error when I use repeated, fixed64 or int64. com.google.protobuf.InvalidProtocolBufferException: While parsing a protocol message, the input ended unexpectedly in the middle…
Daniel Maciel Araujo
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convert protobuf to other protobuf

I have reading Protobuf from Kaka so finally I'm getting a generated Java Object. I would like to rename/create other Protobuf based on the original I got. let say I have 2 classes A and B. my code listen to Kafka topic and gets A. I would like to…
T1234
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How to fix "While parsing a protocol message, the input ended unexpectedly in the middle of a field" error

Getting InvalidProtocolBufferException: While parsing a protocol message, the input ended unexpectedly in the middle of a field. error when parsing Protobuf Not sure why parsing failing ever though I can see the output if I call…
Praveen K H
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How to fix duplicate elements in repeated protocol-buffer field?

I want to load some data using protocoll-buffers (JSON was way too slow on Android) but somehow my repeated field called company contains 6 copies of every element - although I am not storing any duplicates. How do I know that it shouldn't contain…
user3185698
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How can I add my new .proto file and generate all necessary java files in gRPC's quick start template?

I wish to add my own .proto file from scratch in existing grpc-java quick start template. How can I generate all necessary class files and bind those with maven (or gradle) file.
Rishabh Sontakke
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com.android.tools.r8.errors.CompilationError: Program type already present: com.google.protobuf.AbstractMessageLite$Builder$LimitedInputStream

I am getting "Program type already present: com.google.protobuf.AbstractMessageLite$Builder$LimitedInputStream" runtime error.I have tried using multidix and also referred more links but still didnt get any solutions. This is because in…
harini
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Wrapping and shipping the protoc, so our build environments are not required to have protoc pre-installed

In order to be able to generate classes from .proto-files, I must have the protoc installed on my system. Then I can instruct the protoc manually to compile my .proto-files. Then I might get the idea to utilize our build system for that, for example…
Nikolas
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How to parse a byte array to a GeneratedMessage using Descriptor (protobuf, java)?

Given a FieldDescriptor and a byte[], how do I parse the latter to my implementation of GeneratedMessage? Neither I can see any references to the corresponding java class (which contains generated parseFrom(byte[] data)) nor any methods returning…
Jay Foreman
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Error when generating tfrecord via MapReduce

I'm trying to use a MR job to generate TFRecord, but come across an error which I can't understand, it seems can't find a way to read the list?? It throws the following when I trying to build the Example which follows the hadoop example in…
mia ich
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Method Marshaller errors in protoc generated Grpc Services on Android

I have a server running the grpc endpoints which I'd like to connect to using an android client. I am trying to generate the required ..Grpc.java so that I could use the .newStub() methods for creating a grpc request. I have a proto file which…
Sudheesh Singanamalla
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How to deserialize the ProtoBuf serialized HBase columns in Hive?

I have used ProtoBuf's to serialize the class and store in HBase Columns. I want to reduce the number of Map Reduce jobs for simple aggregations, so I need SQL like tool to query the data. If I use Hive, Is it possible to extend the…
karthikhr
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