Errors in Eclipse #41

igor-bbm · 2018-03-19T21:09:53Z

Here is my pom.xml file:

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>io.grpc</groupId>
  <artifactId>examples</artifactId>
  <packaging>jar</packaging>
  <!-- Feel free to delete the comment at the end of these lines. It is just
       for safely updating the version in our release process. -->
  <version>1.10.0</version><!-- CURRENT_GRPC_VERSION -->
  <name>examples</name>
  <url>http://maven.apache.org</url>
  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <grpc.version>1.10.0</grpc.version><!-- CURRENT_GRPC_VERSION -->
  </properties>
  <dependencies>
    <dependency>
      <groupId>io.grpc</groupId>
      <artifactId>grpc-netty</artifactId>
      <version>${grpc.version}</version>
    </dependency>
    <dependency>
      <groupId>io.grpc</groupId>
      <artifactId>grpc-protobuf</artifactId>
      <version>${grpc.version}</version>
    </dependency>
    <dependency>
      <groupId>io.grpc</groupId>
      <artifactId>grpc-stub</artifactId>
      <version>${grpc.version}</version>
    </dependency>
    <dependency>
      <groupId>io.grpc</groupId>
      <artifactId>grpc-testing</artifactId>
      <version>${grpc.version}</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>com.google.api.grpc</groupId>
      <artifactId>proto-google-common-protos</artifactId>
      <version>1.0.0</version>
    </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.mockito</groupId>
      <artifactId>mockito-core</artifactId>
      <version>1.9.5</version>
      <scope>test</scope>
    </dependency>
  </dependencies>
  <build>
    <extensions>
      <extension>
        <groupId>kr.motd.maven</groupId>
        <artifactId>os-maven-plugin</artifactId>
        <version>1.5.0.Final</version>
      </extension>
    </extensions>
    <plugins>
      <plugin>
        <groupId>org.xolstice.maven.plugins</groupId>
        <artifactId>protobuf-maven-plugin</artifactId>
        <version>0.5.1</version>
        <configuration>
          <protocArtifact>com.google.protobuf:protoc:3.5.1-1:exe:${os.detected.classifier}</protocArtifact>
          <pluginId>grpc-java</pluginId>
          <pluginArtifact>io.grpc:protoc-gen-grpc-java:${grpc.version}:exe:${os.detected.classifier}</pluginArtifact>
          <clearOutputDirectory>false</clearOutputDirectory>
          <outputDirectory>${basedir}/src/main/grpc</outputDirectory>
        </configuration>
        <executions>
          <execution>
            <goals>
              <goal>compile</goal>
              <goal>compile-custom</goal>
            </goals>
          </execution>
        </executions>
      </plugin> 
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-enforcer-plugin</artifactId>
        <version>1.4.1</version>
        <executions>
          <execution>
            <id>enforce</id>
            <goals>
              <goal>enforce</goal>
            </goals>
            <configuration>
              <rules>
                <requireUpperBoundDeps/>
              </rules>
            </configuration>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>
</project>

Here is what I see in the Problems tab:

Description	Resource	Path	Location	Type
Failure to transfer com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1 from https://kmklabs.jfrog.io/kmklabs/bbmtek-release was cached in the local repository, resolution will not be reattempted until the update interval of bbmtek-release has elapsed or updates are forced. Original error: Could not transfer artifact com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1 from/to bbmtek-release (https://kmklabs.jfrog.io/kmklabs/bbmtek-release): Access denied to https://kmklabs.jfrog.io/kmklabs/bbmtek-release/com/google/protobuf/protoc/3.5.1-1/protoc-3.5.1-1-${os.detected.classifier}.exe. Error code 401, Unauthorized
  com.google.protobuf:protoc:exe:3.5.1-1

from the specified remote repositories:
  maven_central (http://repo1.maven.org/maven2, releases=true, snapshots=false),
  central (https://kmklabs.jfrog.io/kmklabs/libs-release, releases=false, snapshots=true),
  bbmtek-snapshot (https://kmklabs.jfrog.io/kmklabs/bbmtek-snapshot, releases=false, snapshots=true),
  bbmtek-release (https://kmklabs.jfrog.io/kmklabs/bbmtek-release, releases=true, snapshots=false)
Path to dependency: 
	1) io.grpc:examples:jar:1.10.0
	2) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

 (org.xolstice.maven.plugins:protobuf-maven-plugin:0.5.1:compile-custom:default:generate-sources)

org.apache.maven.plugin.MojoExecutionException: Failure to transfer com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1 from https://kmklabs.jfrog.io/kmklabs/bbmtek-release was cached in the local repository, resolution will not be reattempted until the update interval of bbmtek-release has elapsed or updates are forced. Original error: Could not transfer artifact com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1 from/to bbmtek-release (https://kmklabs.jfrog.io/kmklabs/bbmtek-release): Access denied to https://kmklabs.jfrog.io/kmklabs/bbmtek-release/com/google/protobuf/protoc/3.5.1-1/protoc-3.5.1-1-${os.detected.classifier}.exe. Error code 401, Unauthorized
  com.google.protobuf:protoc:exe:3.5.1-1

from the specified remote repositories:
  maven_central (http://repo1.maven.org/maven2, releases=true, snapshots=false),
  central (https://kmklabs.jfrog.io/kmklabs/libs-release, releases=false, snapshots=true),
  bbmtek-snapshot (https://kmklabs.jfrog.io/kmklabs/bbmtek-snapshot, releases=false, snapshots=true),
  bbmtek-release (https://kmklabs.jfrog.io/kmklabs/bbmtek-release, releases=true, snapshots=false)
Path to dependency: 
	1) io.grpc:examples:jar:1.10.0
	2) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1


	at org.xolstice.maven.plugin.protobuf.AbstractProtocMojo.resolveBinaryArtifact(AbstractProtocMojo.java:964)
	at org.xolstice.maven.plugin.protobuf.AbstractProtocMojo.execute(AbstractProtocMojo.java:489)
	at org.xolstice.maven.plugin.protobuf.AbstractProtocCompileMojo.execute(AbstractProtocCompileMojo.java:31)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:331)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1362)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:1360)
	at org.eclipse.m2e.core.project.configurator.MojoExecutionBuildParticipant.build(MojoExecutionBuildParticipant.java:52)
	at org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:137)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:172)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1$1.call(MavenBuilder.java:115)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:105)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:735)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:301)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:304)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:360)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:383)
	at org.eclipse.core.internal.resources.Workspace.buildInternal(Workspace.java:487)
	at org.eclipse.core.internal.resources.Workspace.build(Workspace.java:406)
	at org.eclipse.ui.actions.BuildAction$1.runInWorkspace(BuildAction.java:285)
	at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:39)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56)
Caused by: org.apache.maven.artifact.resolver.ArtifactResolutionException: Failure to transfer com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1 from https://kmklabs.jfrog.io/kmklabs/bbmtek-release was cached in the local repository, resolution will not be reattempted until the update interval of bbmtek-release has elapsed or updates are forced. Original error: Could not transfer artifact com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1 from/to bbmtek-release (https://kmklabs.jfrog.io/kmklabs/bbmtek-release): Access denied to https://kmklabs.jfrog.io/kmklabs/bbmtek-release/com/google/protobuf/protoc/3.5.1-1/protoc-3.5.1-1-${os.detected.classifier}.exe. Error code 401, Unauthorized
  com.google.protobuf:protoc:exe:3.5.1-1

from the specified remote repositories:
  maven_central (http://repo1.maven.org/maven2, releases=true, snapshots=false),
  central (https://kmklabs.jfrog.io/kmklabs/libs-release, releases=false, snapshots=true),
  bbmtek-snapshot (https://kmklabs.jfrog.io/kmklabs/bbmtek-snapshot, releases=false, snapshots=true),
  bbmtek-release (https://kmklabs.jfrog.io/kmklabs/bbmtek-release, releases=true, snapshots=false)
Path to dependency: 
	1) io.grpc:examples:jar:1.10.0
	2) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1


	at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:225)
	at org.apache.maven.artifact.resolver.DefaultArtifactResolver.access$000(DefaultArtifactResolver.java:74)
	at org.apache.maven.artifact.resolver.DefaultArtifactResolver$ResolveTask.run(DefaultArtifactResolver.java:613)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Failure to transfer com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1 from https://kmklabs.jfrog.io/kmklabs/bbmtek-release was cached in the local repository, resolution will not be reattempted until the update interval of bbmtek-release has elapsed or updates are forced. Original error: Could not transfer artifact com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1 from/to bbmtek-release (https://kmklabs.jfrog.io/kmklabs/bbmtek-release): Access denied to https://kmklabs.jfrog.io/kmklabs/bbmtek-release/com/google/protobuf/protoc/3.5.1-1/protoc-3.5.1-1-${os.detected.classifier}.exe. Error code 401, Unauthorized
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
	at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact(DefaultRepositorySystem.java:294)
	at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:215)
	... 5 more
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Failure to transfer com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1 from https://kmklabs.jfrog.io/kmklabs/bbmtek-release was cached in the local repository, resolution will not be reattempted until the update interval of bbmtek-release has elapsed or updates are forced. Original error: Could not transfer artifact com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1 from/to bbmtek-release (https://kmklabs.jfrog.io/kmklabs/bbmtek-release): Access denied to https://kmklabs.jfrog.io/kmklabs/bbmtek-release/com/google/protobuf/protoc/3.5.1-1/protoc-3.5.1-1-${os.detected.classifier}.exe. Error code 401, Unauthorized
	at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.newException(DefaultUpdateCheckManager.java:238)
	at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.checkArtifact(DefaultUpdateCheckManager.java:206)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.gatherDownloads(DefaultArtifactResolver.java:585)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:503)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
	... 9 more
	pom.xml	/examples	line 77	Maven Build Problem

Any idea how to fix this? I tried force-update, no luck. Thx.

The text was updated successfully, but these errors were encountered:

igor-bbm · 2018-03-19T23:06:20Z

Description Resource Path Location Type
Missing:

com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

Try downloading the file manually from the project website.

Then, install it using the command:
mvn install:install-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file

Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

Path to dependency:
1) io.grpc:examples:jar:1.10.0
2) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

1 required artifact is missing.

for artifact:
io.grpc:examples:jar:1.10.0

from the specified remote repositories:
maven_central (http://repo1.maven.org/maven2, releases=true, snapshots=true),
maven_central_2 (http://central.maven.org/maven2, releases=true, snapshots=true),
central (https://repo.maven.apache.org/maven2, releases=true, snapshots=false)
(org.xolstice.maven.plugins:protobuf-maven-plugin:0.5.0:compile-custom:default:generate-sources)

org.apache.maven.plugin.MojoExecutionException: Missing:

com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

Try downloading the file manually from the project website.

Then, install it using the command:
mvn install:install-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file

Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

Path to dependency:
1) io.grpc:examples:jar:1.10.0
2) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

1 required artifact is missing.

for artifact:
io.grpc:examples:jar:1.10.0

from the specified remote repositories:
maven_central (http://repo1.maven.org/maven2, releases=true, snapshots=true),
maven_central_2 (http://central.maven.org/maven2, releases=true, snapshots=true),
central (https://repo.maven.apache.org/maven2, releases=true, snapshots=false)

at org.xolstice.maven.plugin.protobuf.AbstractProtocMojo.resolveBinaryArtifact(AbstractProtocMojo.java:962)
at org.xolstice.maven.plugin.protobuf.AbstractProtocMojo.execute(AbstractProtocMojo.java:489)
at org.xolstice.maven.plugin.protobuf.AbstractProtocCompileMojo.execute(AbstractProtocCompileMojo.java:31)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:331)
at org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1362)
at org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112)
at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:1360)
at org.eclipse.m2e.core.project.configurator.MojoExecutionBuildParticipant.build(MojoExecutionBuildParticipant.java:52)
at org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:137)
at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:172)
at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1)
at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1$1.call(MavenBuilder.java:115)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112)
at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:105)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99)
at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86)
at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:735)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:301)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:304)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:360)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:383)
at org.eclipse.core.internal.resources.Workspace.buildInternal(Workspace.java:487)
at org.eclipse.core.internal.resources.Workspace.build(Workspace.java:406)
at org.eclipse.ui.actions.BuildAction$1.runInWorkspace(BuildAction.java:285)
at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:39)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56)

Caused by: org.apache.maven.artifact.resolver.MultipleArtifactsNotFoundException: Missing:

com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

Try downloading the file manually from the project website.

Then, install it using the command:
mvn install:install-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file

Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

Path to dependency:
1) io.grpc:examples:jar:1.10.0
2) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

1 required artifact is missing.

for artifact:
io.grpc:examples:jar:1.10.0

from the specified remote repositories:
maven_central (http://repo1.maven.org/maven2, releases=true, snapshots=true),
maven_central_2 (http://central.maven.org/maven2, releases=true, snapshots=true),
central (https://repo.maven.apache.org/maven2, releases=true, snapshots=false)

at org.apache.maven.artifact.resolver.DefaultResolutionErrorHandler.throwErrors(DefaultResolutionErrorHandler.java:71)
at org.xolstice.maven.plugin.protobuf.AbstractProtocMojo.resolveBinaryArtifact(AbstractProtocMojo.java:960)
... 36 more
pom.xml	/examples	line 77	Maven Build Problem

sergei-ivanov · 2018-03-20T00:27:54Z

Hi,
It's most likely a known Eclipse M2E issue. Have you tried following the instructions here:
https://github.com/trustin/os-maven-plugin#issues-with-eclipse-m2e-or-other-ides
?

igor-bbm · 2018-03-20T14:01:23Z

Hi, thanks for your reply. I did follow the link and have downloaded the jar and put it in <ECLIPSE_HOME>/ plugins directory. It did not help, unfortunately.
The error seems to be the same.

Missing:
----------
1) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

  Try downloading the file manually from the project website.

  Then, install it using the command: 
      mvn install:install-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file

  Alternatively, if you host your own repository you can deploy the file there: 
      mvn deploy:deploy-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

  Path to dependency: 
  	1) io.grpc:examples:jar:1.10.0
  	2) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

----------
1 required artifact is missing.

for artifact: 
  io.grpc:examples:jar:1.10.0

from the specified remote repositories:
  maven_central (http://repo1.maven.org/maven2, releases=true, snapshots=true),
  maven_central_2 (http://central.maven.org/maven2, releases=true, snapshots=true),
  central (https://repo.maven.apache.org/maven2, releases=true, snapshots=false)
 (org.xolstice.maven.plugins:protobuf-maven-plugin:0.5.0:compile-custom:default:generate-sources)

org.apache.maven.plugin.MojoExecutionException: Missing:
----------
1) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

  Try downloading the file manually from the project website.

  Then, install it using the command: 
      mvn install:install-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file

  Alternatively, if you host your own repository you can deploy the file there: 
      mvn deploy:deploy-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

  Path to dependency: 
  	1) io.grpc:examples:jar:1.10.0
  	2) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

----------
1 required artifact is missing.

for artifact: 
  io.grpc:examples:jar:1.10.0

from the specified remote repositories:
  maven_central (http://repo1.maven.org/maven2, releases=true, snapshots=true),
  maven_central_2 (http://central.maven.org/maven2, releases=true, snapshots=true),
  central (https://repo.maven.apache.org/maven2, releases=true, snapshots=false)

	at org.xolstice.maven.plugin.protobuf.AbstractProtocMojo.resolveBinaryArtifact(AbstractProtocMojo.java:962)
	at org.xolstice.maven.plugin.protobuf.AbstractProtocMojo.execute(AbstractProtocMojo.java:489)
	at org.xolstice.maven.plugin.protobuf.AbstractProtocCompileMojo.execute(AbstractProtocCompileMojo.java:31)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:331)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1362)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:1360)
	at org.eclipse.m2e.core.project.configurator.MojoExecutionBuildParticipant.build(MojoExecutionBuildParticipant.java:52)
	at org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:137)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:172)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1$1.call(MavenBuilder.java:115)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:105)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:735)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:301)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:304)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:360)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:383)
	at org.eclipse.core.internal.resources.Workspace.buildInternal(Workspace.java:487)
	at org.eclipse.core.internal.resources.Workspace.build(Workspace.java:406)
	at org.eclipse.ui.actions.BuildAction$1.runInWorkspace(BuildAction.java:285)
	at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:39)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56)
Caused by: org.apache.maven.artifact.resolver.MultipleArtifactsNotFoundException: Missing:
----------
1) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

  Try downloading the file manually from the project website.

  Then, install it using the command: 
      mvn install:install-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file

  Alternatively, if you host your own repository you can deploy the file there: 
      mvn deploy:deploy-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.5.1-1 -Dclassifier=${os.detected.classifier} -Dpackaging=exe -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

  Path to dependency: 
  	1) io.grpc:examples:jar:1.10.0
  	2) com.google.protobuf:protoc:exe:${os.detected.classifier}:3.5.1-1

----------
1 required artifact is missing.

for artifact: 
  io.grpc:examples:jar:1.10.0

from the specified remote repositories:
  maven_central (http://repo1.maven.org/maven2, releases=true, snapshots=true),
  maven_central_2 (http://central.maven.org/maven2, releases=true, snapshots=true),
  central (https://repo.maven.apache.org/maven2, releases=true, snapshots=false)

	at org.apache.maven.artifact.resolver.DefaultResolutionErrorHandler.throwErrors(DefaultResolutionErrorHandler.java:71)
	at org.xolstice.maven.plugin.protobuf.AbstractProtocMojo.resolveBinaryArtifact(AbstractProtocMojo.java:960)
	... 36 more

Any other ideas?

I am using external, not built-in maven for my eclipse IDE.

Eclipse IDE for Java Developers
Version: Oxygen.1a Release (4.7.1a)
Build id: 20171005-1200
OS: Linux, v.4.13.0-36-generic, x86_64 / gtk 3.18.9

sergei-ivanov · 2018-03-20T17:48:56Z

Unfortunately, I am not sure I can help. It is a known Eclipse issue, and it's not even related to protobuf-maven-plugin, it is related to the way Eclipse substitutes properties in the POM files. As you can see, ${os.detected.classifier} remained unexpanded, and that is the main cause of the problem. Try raising an issue with Eclipse or asking around on Eclipse community forums.

sergei-ivanov · 2018-03-20T17:51:20Z

Duplicates #18
Please see an old issue that describes the same or very similar problem.

iwan-hybrit · 2018-08-22T07:59:44Z

I fixed this by adding the following sniplet to my maven settings.xml:

<profiles>
	<profile>
		<id>protobuf</id>
		<properties>
			<os.detected.classifier>windows-x86_64</os.detected.classifier>
		</properties>
	</profile>
</profiles>
	
<activeProfiles>
	<activeProfile>protobuf</activeProfile>
</activeProfiles>

Of course the value of the property would need to be changed depending on what OS you're on.

sergei-ivanov · 2018-09-25T23:00:43Z

Please see also an alternative solution here:
#10 (comment)

I am going to close this issue, because it has nothing to do with the plugin. It is a problem with Maven integration in Eclipse, and I cannot help there. I shall add the proposed workarounds to the plugin documentation.

sergei-ivanov · 2018-09-26T00:51:48Z

Raised a PR (see above) in os-maven-plugin to add extra documentation and plugin lifecycle metadata for Eclipse.

sergei-ivanov added the duplicate label Mar 20, 2018

sergei-ivanov added this to the 0.6 milestone Sep 25, 2018

sergei-ivanov self-assigned this Sep 25, 2018

sergei-ivanov added the wontfix label Sep 25, 2018

sergei-ivanov mentioned this issue Sep 26, 2018

Eclipse-related documentation and metadata updates trustin/os-maven-plugin#37

Merged

sergei-ivanov added ready 2 - Working 3 - Review 4 - Done and removed ready 2 - Working 3 - Review labels Oct 1, 2018

sergei-ivanov closed this as completed in 4881fa5 Oct 1, 2018

sergei-ivanov removed the 4 - Done label Oct 1, 2018

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Errors in Eclipse #41

Errors in Eclipse #41

igor-bbm commented Mar 19, 2018 •

edited by sergei-ivanov

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sergei-ivanov commented Sep 26, 2018

Errors in Eclipse #41

Errors in Eclipse #41

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igor-bbm commented Mar 19, 2018 • edited by sergei-ivanov Loading

igor-bbm commented Mar 19, 2018 • edited Loading

Description Resource Path Location Type Missing:

org.apache.maven.plugin.MojoExecutionException: Missing:

Caused by: org.apache.maven.artifact.resolver.MultipleArtifactsNotFoundException: Missing:

sergei-ivanov commented Mar 20, 2018

igor-bbm commented Mar 20, 2018 • edited Loading

sergei-ivanov commented Mar 20, 2018 • edited Loading

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sergei-ivanov commented Sep 26, 2018

igor-bbm commented Mar 19, 2018 •

edited by sergei-ivanov

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igor-bbm commented Mar 19, 2018 •

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Description Resource Path Location Type
Missing:

igor-bbm commented Mar 20, 2018 •

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