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View Code? Open in Web Editor NEWA collection of useful/essential gRPC Java Examples
License: Apache License 2.0
A collection of useful/essential gRPC Java Examples
License: Apache License 2.0
Hello. We've released Reactive-gRPC 0.10.0-RC1. Would you be willing to try it out and report any findings?
https://github.com/salesforce/reactive-grpc/releases/tag/v0.10.0-RC1
grpc-java-android-example: unimplemented method greeting from com.example.learn.GreetingServiceGrpc.java
Thanks for the grpc java by example repo. It would be great to have a grpc server with SSL configurations.
Hello, thank you for this GitHub repo, it is extremely useful! It would be great if you could add an example of client-side retries. Using the standard mechanism, or by writing a new ClientInterceptor
.
can u please create some example about authenticate the request with diffrente methods like Basic, OAuth2 and ...?
Would like to see how to integrate GRPC with Kafka and producers and subscribers to topics. Also using the protobuf with Kafka vs. Json. How to be 100% GRCP in a Kafka environment is what I would like to see. Thx.
Used this example and not having basic runtime exceptions being caught. Is this example up to date?
It triggers:
com.ea.eadp.social.connections.UnknownStatusInterceptor#interceptCall
io.grpc.ForwardingServerCall.SimpleForwardingServerCall#delegate
But it doesn't trigger either of:
io.grpc.ForwardingServerCall.SimpleForwardingServerCall#close
io.grpc.ForwardingServerCall.SimpleForwardingServerCall#sendMessage
I can see below logs:
ERROR [2019-06-28 06:21:26,636] io.grpc.internal.SerializingExecutor: Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@4035faba
It seems to be getting halfclosed
Hi, there are multiple versions of com.google.protobuf:protobuf-java in grpc-by-example-java-master\springboot-example-lognet. As shown in the following dependency tree, according to Maven's “nearest wins” strategy, only com.google.protobuf:protobuf-java:3.6.1 can be loaded, com.google.protobuf:protobuf-java:3.5.1 and com.google.protobuf:protobuf-java:3.7.1 will be shadowed.
As com.google.protobuf:protobuf-java:3.7.1 has not been loaded during the building process, several methods are missing. However, the missing methods:
1. com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$LongList mutableCopy(com.google.protobuf.Internal$LongList)
paths------
<com.example.demo.GreetingRequest$Builder: com.example.demo.GreetingRequest$Builder clone()> grpc-by-example-java-master\springboot-example-lognet\target\classes
<com.google.protobuf.GeneratedMessageV3$Builder: com.google.protobuf.GeneratedMessageV3$Builder clone()> Repositories\com\google\protobuf\protobuf-java\3.6.1\protobuf-java-3.6.1.jar
<com.google.api.Distribution$Builder: com.google.protobuf.AbstractMessage$Builder mergeFrom(com.google.protobuf.Message)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$Builder: com.google.api.Distribution$Builder mergeFrom(com.google.protobuf.Message)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$Builder: com.google.api.Distribution$Builder mergeFrom(com.google.api.Distribution)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$Builder: void ensureBucketCountsIsMutable()> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution: com.google.protobuf.Internal$LongList access$7900(com.google.protobuf.Internal$LongList)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$LongList mutableCopy(com.google.protobuf.Internal$LongList)>
2. com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$LongList emptyLongList()
paths------
<com.example.demo.WhoRequest$Builder: com.example.demo.WhoRequest$Builder mergeFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> grpc-by-example-java-master\springboot-example-lognet\target\classes
<com.google.api.Distribution$1: java.lang.Object parsePartialFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$1: com.google.api.Distribution parsePartialFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution: void clinit()> com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution: void init()> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$LongList emptyLongList()>
3. com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$DoubleList mutableCopy(com.google.protobuf.Internal$DoubleList)
paths------
<com.example.demo.GreetingRequest$Builder: com.example.demo.GreetingRequest$Builder clone()> grpc-by-example-java-master\springboot-example-lognet\target\classes
<com.google.protobuf.GeneratedMessageV3$Builder: com.google.protobuf.GeneratedMessageV3$Builder clone()> Repositories\com\google\protobuf\protobuf-java\3.6.1\protobuf-java-3.6.1.jar
<com.google.api.Distribution$BucketOptions$Explicit$Builder: com.google.protobuf.AbstractMessage$Builder mergeFrom(com.google.protobuf.Message)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$BucketOptions$Explicit$Builder: com.google.api.Distribution$BucketOptions$Explicit$Builder mergeFrom(com.google.protobuf.Message)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$BucketOptions$Explicit$Builder: com.google.api.Distribution$BucketOptions$Explicit$Builder mergeFrom(com.google.api.Distribution$BucketOptions$Explicit)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$BucketOptions$Explicit$Builder: void ensureBoundsIsMutable()> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$BucketOptions$Explicit: com.google.protobuf.Internal$DoubleList access$3800(com.google.protobuf.Internal$DoubleList)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$DoubleList mutableCopy(com.google.protobuf.Internal$DoubleList)>
4. com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$DoubleList emptyDoubleList()
paths------
<com.example.demo.WhoRequest$Builder: com.example.demo.WhoRequest$Builder mergeFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> grpc-by-example-java-master\springboot-example-lognet\target\classes
<com.google.api.Distribution$BucketOptions$Explicit$1: java.lang.Object parsePartialFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$BucketOptions$Explicit$1: com.google.api.Distribution$BucketOptions$Explicit parsePartialFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$BucketOptions$Explicit: void clinit()> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$BucketOptions$Explicit: void init()> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$DoubleList emptyDoubleList()>
5. com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$DoubleList newDoubleList()
paths------
<com.example.demo.WhoRequest$Builder: com.example.demo.WhoRequest$Builder mergeFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> grpc-by-example-java-master\springboot-example-lognet\target\classes
<com.google.api.Distribution$BucketOptions$Explicit$1: java.lang.Object parsePartialFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$BucketOptions$Explicit$1: com.google.api.Distribution$BucketOptions$Explicit parsePartialFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$BucketOptions$Explicit: void init(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite,com.google.api.Distribution$1)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$BucketOptions$Explicit: void init(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$DoubleList newDoubleList()>
6. com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$LongList newLongList()
paths------
<com.example.demo.GreetingResponse$Builder: com.example.demo.GreetingResponse$Builder mergeFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> grpc-by-example-java-master\springboot-example-lognet\target\classes
<com.google.api.Distribution$1: java.lang.Object parsePartialFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution$1: com.google.api.Distribution parsePartialFrom(com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution: void (com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite,com.google.api.Distribution$1)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.api.Distribution: void (com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite)> Repositories\com\google\api\grpc\proto-google-common-protos\1.16.0\proto-google-common-protos-1.16.0.jar
<com.google.protobuf.GeneratedMessageV3: com.google.protobuf.Internal$LongList newLongList()>
The above missing methods are actually referenced by grpc-by-example-java-master\springboot-example-lognet, which will cause “NoSuchMethodErrors” at runtime.
Suggested fixing solutions:
Please let me know which solution do you prefer? I can submit a PR to fix it.
Thank you very much for your attention.
Best regards,
Dependency tree----
[INFO] com.example:springboot-example-lognet:jar:0.0.1-SNAPSHOT
[INFO] +- com.google.guava:guava:jar:27.1-jre:compile
[INFO] | +- com.google.guava:failureaccess:jar:1.0.1:compile
[INFO] | +- com.google.guava:listenablefuture:jar:9999.0-empty-to-avoid-conflict-with-guava:compile
[INFO] | +- com.google.code.findbugs:jsr305:jar:3.0.2:compile
[INFO] | +- org.checkerframework:checker-qual:jar:2.5.2:compile
[INFO] | +- com.google.errorprone:error_prone_annotations:jar:2.2.0:compile
[INFO] | +- com.google.j2objc:j2objc-annotations:jar:1.1:compile
[INFO] | \- org.codehaus.mojo:animal-sniffer-annotations:jar:1.17:compile
[INFO] +- org.springframework.cloud:spring-cloud-gcp-starter:jar:1.1.2.RELEASE:compile
[INFO] | +- org.springframework.cloud:spring-cloud-gcp-core:jar:1.1.2.RELEASE:compile
[INFO] | | +- com.google.cloud:google-cloud-core:jar:1.78.0:compile
[INFO] | | | +- (com.google.guava:guava:jar:27.1-android:compile - omitted for conflict with 27.1-jre)
[INFO] | | | +- com.google.http-client:google-http-client:jar:1.30.1:compile
[INFO] | | | | +- org.apache.httpcomponents:httpclient:jar:4.5.9:compile (version managed from 4.5.8)
[INFO] | | | | | +- org.apache.httpcomponents:httpcore:jar:4.4.11:compile
[INFO] | | | | | \- commons-codec:commons-codec:jar:1.11:compile
[INFO] | | | | +- (com.google.guava:guava:jar:26.0-android:compile - omitted for conflict with 27.1-jre)
[INFO] | | | | +- (com.google.j2objc:j2objc-annotations:jar:1.3:compile - omitted for conflict with 1.1)
[INFO] | | | | +- (io.opencensus:opencensus-api:jar:0.21.0:compile - omitted for conflict with 0.19.2)
[INFO] | | | | \- io.opencensus:opencensus-contrib-http-util:jar:0.21.0:compile
[INFO] | | | | +- (io.opencensus:opencensus-api:jar:0.21.0:compile - omitted for duplicate)
[INFO] | | | | \- (com.google.guava:guava:jar:26.0-android:compile - omitted for conflict with 27.1-jre)
[INFO] | | | +- (com.google.code.findbugs:jsr305:jar:3.0.2:compile - omitted for duplicate)
[INFO] | | | +- com.google.api:api-common:jar:1.8.1:compile
[INFO] | | | | +- (com.google.code.findbugs:jsr305:jar:3.0.2:compile - omitted for duplicate)
[INFO] | | | | +- (com.google.guava:guava:jar:26.0-android:compile - omitted for conflict with 27.1-jre)
[INFO] | | | | \- (javax.annotation:javax.annotation-api:jar:1.3.2:compile - omitted for duplicate)
[INFO] | | | +- com.google.api:gax:jar:1.45.0:compile
[INFO] | | | | +- (com.google.guava:guava:jar:26.0-android:compile - omitted for conflict with 27.1-jre)
[INFO] | | | | +- (com.google.code.findbugs:jsr305:jar:3.0.2:compile - omitted for duplicate)
[INFO] | | | | +- org.threeten:threetenbp:jar:1.3.3:compile
[INFO] | | | | +- com.google.auth:google-auth-library-oauth2-http:jar:0.16.1:compile (version managed from 0.15.0)
[INFO] | | | | | +- com.google.auth:google-auth-library-credentials:jar:0.16.1:compile
[INFO] | | | | | +- (com.google.http-client:google-http-client:jar:1.30.1:compile - omitted for duplicate)
[INFO] | | | | | \- com.google.http-client:google-http-client-jackson2:jar:1.30.1:compile
[INFO] | | | | | +- (com.google.http-client:google-http-client:jar:1.30.1:compile - omitted for duplicate)
[INFO] | | | | | \- (com.fasterxml.jackson.core:jackson-core:jar:2.9.9:compile - omitted for duplicate)
[INFO] | | | | +- (com.google.api:api-common:jar:1.8.1:compile - version managed from 1.7.0; omitted for duplicate)
[INFO] | | | | \- (io.opencensus:opencensus-api:jar:0.21.0:compile - omitted for duplicate)
[INFO] | | | +- (com.google.protobuf:protobuf-java-util:jar:3.7.1:compile - omitted for conflict with 3.6.1)
[INFO] | | | +- com.google.api.grpc:proto-google-common-protos:jar:1.16.0:compile
[INFO] | | | | \- (com.google.protobuf:protobuf-java:jar:3.7.1:compile - omitted for duplicate)
[INFO] | | | +- com.google.api.grpc:proto-google-iam-v1:jar:0.12.0:compile
[INFO] | | | | +- (com.google.protobuf:protobuf-java:jar:3.5.1:compile - omitted for conflict with 3.7.1)
[INFO] | | | | +- (com.google.api:api-common:jar:1.8.1:compile - version managed from 1.5.0; omitted for duplicate)
[INFO] | | | | \- (com.google.api.grpc:proto-google-common-protos:jar:1.16.0:compile - version managed from 1.11.0; omitted for duplicate)
[INFO] | | | \- (javax.annotation:javax.annotation-api:jar:1.3.2:compile - omitted for duplicate)
[INFO] | | +- org.springframework:spring-core:jar:5.1.9.RELEASE:compile (version managed from 5.1.8.RELEASE)
[INFO] | | | \- org.springframework:spring-jcl:jar:5.1.9.RELEASE:compile
[INFO] | | +- org.springframework:spring-context:jar:5.1.9.RELEASE:compile (version managed from 5.1.8.RELEASE)
[INFO] | | | +- org.springframework:spring-aop:jar:5.1.9.RELEASE:compile
[INFO] | | | | +- (org.springframework:spring-beans:jar:5.1.9.RELEASE:compile - omitted for duplicate)
[INFO] | | | | \- (org.springframework:spring-core:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] | | | +- (org.springframework:spring-beans:jar:5.1.9.RELEASE:compile - omitted for duplicate)
[INFO] | | | +- (org.springframework:spring-core:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] | | | \- org.springframework:spring-expression:jar:5.1.9.RELEASE:compile
[INFO] | | | \- (org.springframework:spring-core:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] | | \- (org.slf4j:slf4j-api:jar:1.7.26:compile - version managed from 1.7.25; omitted for duplicate)
[INFO] | +- org.springframework.cloud:spring-cloud-gcp-autoconfigure:jar:1.1.2.RELEASE:compile
[INFO] | | +- org.springframework.boot:spring-boot-autoconfigure:jar:2.1.7.RELEASE:compile (version managed from 2.1.6.RELEASE)
[INFO] | | | \- (org.springframework.boot:spring-boot:jar:2.1.7.RELEASE:compile - omitted for duplicate)
[INFO] | | +- (org.springframework.cloud:spring-cloud-gcp-core:jar:1.1.2.RELEASE:compile - omitted for duplicate)
[INFO] | | \- (org.slf4j:slf4j-api:jar:1.7.26:compile - omitted for duplicate)
[INFO] | +- org.springframework.boot:spring-boot-starter:jar:2.1.7.RELEASE:compile (version managed from 2.1.6.RELEASE)
[INFO] | | +- org.springframework.boot:spring-boot:jar:2.1.7.RELEASE:compile
[INFO] | | | +- (org.springframework:spring-core:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] | | | \- (org.springframework:spring-context:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] | | +- (org.springframework.boot:spring-boot-autoconfigure:jar:2.1.7.RELEASE:compile - version managed from 2.1.6.RELEASE; omitted for duplicate)
[INFO] | | +- org.springframework.boot:spring-boot-starter-logging:jar:2.1.7.RELEASE:compile
[INFO] | | | +- ch.qos.logback:logback-classic:jar:1.2.3:compile
[INFO] | | | | +- ch.qos.logback:logback-core:jar:1.2.3:compile
[INFO] | | | | \- (org.slf4j:slf4j-api:jar:1.7.26:compile - version managed from 1.7.25; omitted for duplicate)
[INFO] | | | +- org.apache.logging.log4j:log4j-to-slf4j:jar:2.11.2:compile
[INFO] | | | | +- (org.slf4j:slf4j-api:jar:1.7.26:compile - version managed from 1.7.25; omitted for duplicate)
[INFO] | | | | \- org.apache.logging.log4j:log4j-api:jar:2.11.2:compile
[INFO] | | | \- org.slf4j:jul-to-slf4j:jar:1.7.26:compile
[INFO] | | | \- (org.slf4j:slf4j-api:jar:1.7.26:compile - version managed from 1.7.25; omitted for duplicate)
[INFO] | | +- javax.annotation:javax.annotation-api:jar:1.3.2:compile
[INFO] | | +- (org.springframework:spring-core:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] | | \- org.yaml:snakeyaml:jar:1.23:runtime
[INFO] | \- org.slf4j:slf4j-api:jar:1.7.26:compile
[INFO] +- io.github.lognet:grpc-spring-boot-starter:jar:3.2.0:compile
[INFO] | +- io.grpc:grpc-netty:jar:1.19.0:compile
[INFO] | | +- io.grpc:grpc-core:jar:1.19.0:compile
[INFO] | | | +- io.grpc:grpc-context:jar:1.19.0:compile
[INFO] | | | +- com.google.code.gson:gson:jar:2.8.5:compile
[INFO] | | | +- (com.google.errorprone:error_prone_annotations:jar:2.2.0:compile - omitted for duplicate)
[INFO] | | | +- (com.google.code.findbugs:jsr305:jar:3.0.2:compile - omitted for duplicate)
[INFO] | | | +- (org.codehaus.mojo:animal-sniffer-annotations:jar:1.17:compile - omitted for duplicate)
[INFO] | | | +- (com.google.guava:guava:jar:26.0-android:compile - omitted for conflict with 27.1-jre)
[INFO] | | | +- io.opencensus:opencensus-api:jar:0.19.2:compile
[INFO] | | | \- io.opencensus:opencensus-contrib-grpc-metrics:jar:0.19.2:compile
[INFO] | | | \- (io.opencensus:opencensus-api:jar:0.19.2:compile - omitted for duplicate)
[INFO] | | +- io.netty:netty-codec-http2:jar:4.1.38.Final:compile
[INFO] | | | +- io.netty:netty-common:jar:4.1.38.Final:compile
[INFO] | | | +- io.netty:netty-buffer:jar:4.1.38.Final:compile
[INFO] | | | | \- (io.netty:netty-common:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | +- io.netty:netty-transport:jar:4.1.38.Final:compile
[INFO] | | | | +- (io.netty:netty-common:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | | +- (io.netty:netty-buffer:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | | \- io.netty:netty-resolver:jar:4.1.38.Final:compile
[INFO] | | | | \- (io.netty:netty-common:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | +- io.netty:netty-codec:jar:4.1.38.Final:compile
[INFO] | | | | +- (io.netty:netty-common:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | | +- (io.netty:netty-buffer:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | | \- (io.netty:netty-transport:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | +- io.netty:netty-handler:jar:4.1.38.Final:compile
[INFO] | | | | +- (io.netty:netty-common:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | | +- (io.netty:netty-buffer:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | | +- (io.netty:netty-transport:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | | \- (io.netty:netty-codec:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | \- io.netty:netty-codec-http:jar:4.1.38.Final:compile
[INFO] | | | +- (io.netty:netty-common:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | +- (io.netty:netty-buffer:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | +- (io.netty:netty-transport:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | +- (io.netty:netty-codec:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | \- (io.netty:netty-handler:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | \- io.netty:netty-handler-proxy:jar:4.1.38.Final:compile (version managed from 4.1.32.Final)
[INFO] | | +- (io.netty:netty-common:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | +- (io.netty:netty-buffer:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | +- (io.netty:netty-transport:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | +- (io.netty:netty-codec:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | +- io.netty:netty-codec-socks:jar:4.1.38.Final:compile
[INFO] | | | +- (io.netty:netty-common:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | +- (io.netty:netty-buffer:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | +- (io.netty:netty-transport:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | | \- (io.netty:netty-codec:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | | \- (io.netty:netty-codec-http:jar:4.1.38.Final:compile - omitted for duplicate)
[INFO] | +- io.grpc:grpc-services:jar:1.19.0:compile
[INFO] | | +- io.grpc:grpc-protobuf:jar:1.19.0:compile
[INFO] | | | +- (io.grpc:grpc-core:jar:1.19.0:compile - omitted for duplicate)
[INFO] | | | +- com.google.protobuf:protobuf-java:jar:3.6.1:compile
[INFO] | | | +- (com.google.guava:guava:jar:26.0-android:compile - omitted for conflict with 27.1-jre)
[INFO] | | | +- (com.google.api.grpc:proto-google-common-protos:jar:1.16.0:compile - version managed from 1.12.0; omitted for duplicate)
[INFO] | | | \- io.grpc:grpc-protobuf-lite:jar:1.19.0:compile
[INFO] | | | +- (io.grpc:grpc-core:jar:1.19.0:compile - omitted for duplicate)
[INFO] | | | \- (com.google.guava:guava:jar:26.0-android:compile - omitted for conflict with 27.1-jre)
[INFO] | | +- io.grpc:grpc-stub:jar:1.19.0:compile
[INFO] | | | \- (io.grpc:grpc-core:jar:1.19.0:compile - omitted for duplicate)
[INFO] | | +- com.google.protobuf:protobuf-java-util:jar:3.6.1:compile
[INFO] | | | +- (com.google.protobuf:protobuf-java:jar:3.6.1:compile - omitted for duplicate)
[INFO] | | | \- (com.google.code.gson:gson:jar:2.8.5:compile - version managed from 2.7; omitted for duplicate)
[INFO] | | \- com.google.re2j:re2j:jar:1.2:compile
[INFO] | \- (org.springframework.boot:spring-boot-starter:jar:2.1.7.RELEASE:compile - version managed from 1.5.13.RELEASE; omitted for duplicate)
[INFO] +- org.springframework.boot:spring-boot-starter-activemq:jar:2.1.7.RELEASE:compile
[INFO] | +- (org.springframework.boot:spring-boot-starter:jar:2.1.7.RELEASE:compile - version managed from 1.5.13.RELEASE; omitted for duplicate)
[INFO] | +- org.springframework:spring-jms:jar:5.1.9.RELEASE:compile
[INFO] | | +- org.springframework:spring-beans:jar:5.1.9.RELEASE:compile
[INFO] | | | \- (org.springframework:spring-core:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] | | +- (org.springframework:spring-core:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] | | +- org.springframework:spring-messaging:jar:5.1.9.RELEASE:compile
[INFO] | | | +- (org.springframework:spring-beans:jar:5.1.9.RELEASE:compile - omitted for duplicate)
[INFO] | | | \- (org.springframework:spring-core:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] | | \- org.springframework:spring-tx:jar:5.1.9.RELEASE:compile
[INFO] | | +- (org.springframework:spring-beans:jar:5.1.9.RELEASE:compile - omitted for duplicate)
[INFO] | | \- (org.springframework:spring-core:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] | +- org.apache.activemq:activemq-broker:jar:5.15.9:compile
[INFO] | | +- org.apache.activemq:activemq-client:jar:5.15.9:compile
[INFO] | | | +- (org.slf4j:slf4j-api:jar:1.7.26:compile - version managed from 1.7.25; omitted for duplicate)
[INFO] | | | +- org.fusesource.hawtbuf:hawtbuf:jar:1.11:compile
[INFO] | | | \- org.apache.geronimo.specs:geronimo-j2ee-management_1.1_spec:jar:1.0.1:compile
[INFO] | | +- org.apache.activemq:activemq-openwire-legacy:jar:5.15.9:compile
[INFO] | | | \- (org.apache.activemq:activemq-client:jar:5.15.9:compile - omitted for duplicate)
[INFO] | | +- (com.google.guava:guava:jar:18.0:compile - omitted for conflict with 27.1-jre)
[INFO] | | \- com.fasterxml.jackson.core:jackson-databind:jar:2.9.9:compile (version managed from 2.9.8)
[INFO] | | +- com.fasterxml.jackson.core:jackson-annotations:jar:2.9.0:compile
[INFO] | | \- com.fasterxml.jackson.core:jackson-core:jar:2.9.9:compile
[INFO] | \- javax.jms:javax.jms-api:jar:2.0.1:compile
[INFO] +- org.springframework.boot:spring-boot-starter-jdbc:jar:2.1.7.RELEASE:compile
[INFO] | +- (org.springframework.boot:spring-boot-starter:jar:2.1.7.RELEASE:compile - version managed from 1.5.13.RELEASE; omitted for duplicate)
[INFO] | +- com.zaxxer:HikariCP:jar:3.2.0:compile
[INFO] | | \- (org.slf4j:slf4j-api:jar:1.7.26:compile - version managed from 1.7.25; omitted for duplicate)
[INFO] | \- org.springframework:spring-jdbc:jar:5.1.9.RELEASE:compile
[INFO] | +- (org.springframework:spring-beans:jar:5.1.9.RELEASE:compile - omitted for duplicate)
[INFO] | +- (org.springframework:spring-core:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] | \- (org.springframework:spring-tx:jar:5.1.9.RELEASE:compile - omitted for duplicate)
[INFO] +- org.hsqldb:hsqldb:jar:2.4.1:runtime
[INFO] \- org.springframework.boot:spring-boot-starter-test:jar:2.1.7.RELEASE:test
[INFO] +- (org.springframework.boot:spring-boot-starter:jar:2.1.7.RELEASE:test - version managed from 1.5.13.RELEASE; omitted for duplicate)
[INFO] +- org.springframework.boot:spring-boot-test:jar:2.1.7.RELEASE:test
[INFO] | \- (org.springframework.boot:spring-boot:jar:2.1.7.RELEASE:test - omitted for duplicate)
[INFO] +- org.springframework.boot:spring-boot-test-autoconfigure:jar:2.1.7.RELEASE:test
[INFO] | +- (org.springframework.boot:spring-boot-test:jar:2.1.7.RELEASE:test - omitted for duplicate)
[INFO] | \- (org.springframework.boot:spring-boot-autoconfigure:jar:2.1.7.RELEASE:test - version managed from 2.1.6.RELEASE; omitted for duplicate)
[INFO] +- com.jayway.jsonpath:json-path:jar:2.4.0:test
[INFO] | +- net.minidev:json-smart:jar:2.3:test
[INFO] | | \- net.minidev:accessors-smart:jar:1.2:test
[INFO] | | \- org.ow2.asm:asm:jar:5.0.4:test
[INFO] | \- (org.slf4j:slf4j-api:jar:1.7.26:test - version managed from 1.7.25; omitted for duplicate)
[INFO] +- junit:junit:jar:4.12:test
[INFO] | \- (org.hamcrest:hamcrest-core:jar:1.3:test - omitted for duplicate)
[INFO] +- org.assertj:assertj-core:jar:3.11.1:test
[INFO] +- org.mockito:mockito-core:jar:2.23.4:test
[INFO] | +- net.bytebuddy:byte-buddy:jar:1.9.16:test (version managed from 1.9.3)
[INFO] | +- net.bytebuddy:byte-buddy-agent:jar:1.9.16:test (version managed from 1.9.3)
[INFO] | \- org.objenesis:objenesis:jar:2.6:test
[INFO] +- org.hamcrest:hamcrest-core:jar:1.3:test
[INFO] +- org.hamcrest:hamcrest-library:jar:1.3:test
[INFO] | \- (org.hamcrest:hamcrest-core:jar:1.3:test - omitted for duplicate)
[INFO] +- org.skyscreamer:jsonassert:jar:1.5.0:test
[INFO] | \- com.vaadin.external.google:android-json:jar:0.0.20131108.vaadin1:test
[INFO] +- (org.springframework:spring-core:jar:5.1.9.RELEASE:compile - version managed from 5.1.8.RELEASE; scope updated from test; omitted for duplicate)
[INFO] +- org.springframework:spring-test:jar:5.1.9.RELEASE:test
[INFO] | \- (org.springframework:spring-core:jar:5.1.9.RELEASE:test - version managed from 5.1.8.RELEASE; omitted for duplicate)
[INFO] \- org.xmlunit:xmlunit-core:jar:2.6.3:test
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 49.149 s
[INFO] Finished at: 2019-06-19T15:46:05+07:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-dependency-plugin:2.8:copy-dependencies (default) on project simple-grpc-client: Artifact has not been packaged yet. When used on reactor artifact, copy should be executed after packaging: see MDEP-187. -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
Hello
can you provide gradle files in the springboot example
many thanks
There are many problems.
I followed the steps:
$ kubectl apply -f kubernetes/client-side-lb-api/echo-server.yaml
$ kubectl apply -f kubernetes/client-side-lb-api/echo-client.yaml
$ kubectl get pods -l run=echo-client
with this step:
$ kubectl logs -f echo-client...
I found java error
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Nov 28, 2019 2:07:04 PM io.grpc.internal.ManagedChannelImpl$NameResolverListenerImpl onError
WARNING: [io.grpc.internal.ManagedChannelImpl-1] Failed to resolve name. status=Status{code=UNKNOWN, description=null, cause=io.fabric8.kubernetes.client.KubernetesClientException: An error has occurred.
at io.fabric8.kubernetes.client.KubernetesClientException.launderThrowable(KubernetesClientException.java:61)
at io.fabric8.kubernetes.client.KubernetesClientException.launderThrowable(KubernetesClientException.java:52)
at io.fabric8.kubernetes.client.dsl.base.BaseOperation.get(BaseOperation.java:195)
at com.example.grpc.client.KubernetesNameResolver.refresh(KubernetesNameResolver.java:79)
at com.example.grpc.client.KubernetesNameResolver.start(KubernetesNameResolver.java:63)
at io.grpc.internal.ManagedChannelImpl.exitIdleMode(ManagedChannelImpl.java:311)
at io.grpc.internal.ManagedChannelImpl$4$1.run(ManagedChannelImpl.java:357)
at io.grpc.internal.ChannelExecutor.drain(ChannelExecutor.java:87)
at io.grpc.internal.ManagedChannelImpl$4.get(ManagedChannelImpl.java:359)
at io.grpc.internal.ClientCallImpl.start(ClientCallImpl.java:218)
at io.grpc.stub.ClientCalls.startCall(ClientCalls.java:276)
at io.grpc.stub.ClientCalls.asyncUnaryRequestCall(ClientCalls.java:252)
at io.grpc.stub.ClientCalls.futureUnaryCall(ClientCalls.java:186)
at io.grpc.stub.ClientCalls.blockingUnaryCall(ClientCalls.java:132)
at com.example.grpc.EchoServiceGrpc$EchoServiceBlockingStub.echo(EchoServiceGrpc.java:138)
at com.example.grpc.client.ClientSideLoadBalancedEchoClient.lambda$main$0(ClientSideLoadBalancedEchoClient.java:63)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.UnknownHostException: kubernetes.default.svc: Temporary failure in name resolution
at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
at java.net.InetAddress.getAllByName0(InetAddress.java:1276)
at java.net.InetAddress.getAllByName(InetAddress.java:1192)
at java.net.InetAddress.getAllByName(InetAddress.java:1126)
at okhttp3.Dns$1.lookup(Dns.java:39)
at okhttp3.internal.connection.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:172)
at okhttp3.internal.connection.RouteSelector.nextProxy(RouteSelector.java:138)
at okhttp3.internal.connection.RouteSelector.next(RouteSelector.java:80)
at okhttp3.internal.connection.StreamAllocation.findConnection(StreamAllocation.java:178)
at okhttp3.internal.connection.StreamAllocation.findHealthyConnection(StreamAllocation.java:129)
at okhttp3.internal.connection.StreamAllocation.newStream(StreamAllocation.java:98)
at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.java:42)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67)
at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.java:109)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67)
at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.java:93)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92)
at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.java:124)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67)
at io.fabric8.kubernetes.client.utils.HttpClientUtils$3.intercept(HttpClientUtils.java:97)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67)
at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:170)
at okhttp3.RealCall.execute(RealCall.java:60)
at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:235)
at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:230)
at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleGet(OperationSupport.java:226)
at io.fabric8.kubernetes.client.dsl.base.BaseOperation.handleGet(BaseOperation.java:708)
at io.fabric8.kubernetes.client.dsl.base.BaseOperation.get(BaseOperation.java:188)
... 17 more
}
$ kubectl version
Client Version: version.Info{Major:"1", Minor:"16", GitVersion:"v1.16.3", GitCommit:"b3cbbae08ec52a7fc73d334838e18d17e8512749", GitTreeState:"clean", BuildDate:"2019-11-13T11:23:11Z", GoVersion:"go1.12.12", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"16", GitVersion:"v1.16.3", GitCommit:"b3cbbae08ec52a7fc73d334838e18d17e8512749", GitTreeState:"clean", BuildDate:"2019-11-13T11:13:49Z", GoVersion:"go1.12.12", Compiler:"gc", Platform:"linux/amd64"}
In multiple projects, the client pom.xml uses
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>*-grpc-server</artifactId>
<version>${project.version}</version>
</dependency>
I know this way the client can reuse the generated grpc classes.
But beside this way, are there any better ways, for example, server and client both reference same proto file, and use plugin to generated their own classes?
Attempting to execute both the client and server of the error handling example. I packaged the parent app, and successfully executed it with mvn exec:java -Dexec.mainClass="com.example.grpc.server.ErrorGrpcServer"
. However, I cannot package the client app by running mvn package
in the directory error-handling-example/error-handling-client
due to the error
[ERROR] Failed to execute goal on project error-handling-client: Could not resolve dependencies for project com.example.errors:error-handling-client:jar:1.0-SNAPSHOT: Failed to collect dependencies at com.example.errors:error-server:jar:1.0-SNAPSHOT:
I also tried to execute mvn package
at parent project root, i.e. error-handling-example/
, but it didn't help.
It would be nice to have springboot example checked/updated
Hi @saturnism, your project has been really helpful in getting up and running with GRPC java. It'd be amazing if you can make a template Android project to provide us novices guidelines to adapt GRPC for Android. I've already tried GRPC-Java from official GRPC repo but it fails to compile for some reason. Anyways looking forward to your Sample Android app. :)
Tried with both Istio 0.8 and 1.0 snapshot with mTls on and off.
All have the same error:
[2018-07-23 23:11:20.985][15][warning][upstream] external/envoy/source/common/config/grpc_mux_impl.cc:240] gRPC config stream closed: 14, no healthy upstream
[2018-07-23 23:11:20.985][15][warning][upstream] external/envoy/source/common/config/grpc_mux_impl.cc:41] Unable to establish new stream
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