java.lang.NullPointerException

YouTrack | 2 years ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.
  1. Speed up your debug routine!

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.sonatype.aether.impl.internal.DefaultMetadataResolver.resolve()
    2. Aether :: Implementation
      DefaultMetadataResolver.resolveMetadata
      1. org.sonatype.aether.impl.internal.DefaultMetadataResolver.resolve(DefaultMetadataResolver.java:279)
      2. org.sonatype.aether.impl.internal.DefaultMetadataResolver.resolveMetadata(DefaultMetadataResolver.java:173)
      2 frames
    3. Maven Aether Provider
      DefaultVersionResolver.resolveVersion
      1. org.apache.maven.repository.internal.DefaultVersionResolver.resolveVersion(DefaultVersionResolver.java:225)
      1 frame
    4. Aether :: Implementation
      DefaultRepositorySystem.resolveArtifact
      1. org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:272)
      2. org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:216)
      3. org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:193)
      4. org.sonatype.aether.impl.internal.DefaultRepositorySystem.resolveArtifact(DefaultRepositorySystem.java:286)
      4 frames
    5. Maven
      ProjectModelResolver.resolveModel
      1. org.apache.maven.project.ProjectModelResolver.resolveModel(ProjectModelResolver.java:155)
      1 frame
    6. Maven Model Builder
      DefaultModelBuilder.build
      1. org.apache.maven.model.building.DefaultModelBuilder.readParentExternally(DefaultModelBuilder.java:813)
      2. org.apache.maven.model.building.DefaultModelBuilder.readParent(DefaultModelBuilder.java:664)
      3. org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:310)
      4. org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:232)
      4 frames
    7. Maven
      MavenMetadataSource.retrieve
      1. org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:142)
      2. org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:309)
      3. org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:267)
      4. org.apache.maven.project.artifact.MavenMetadataSource.retrieveRelocatedProject(MavenMetadataSource.java:579)
      5. org.apache.maven.project.artifact.MavenMetadataSource.retrieve(MavenMetadataSource.java:192)
      5 frames
    8. Maven Compat
      DefaultLegacyArtifactCollector.collect
      1. org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.recurse(DefaultLegacyArtifactCollector.java:532)
      2. org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.recurse(DefaultLegacyArtifactCollector.java:584)
      3. org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.recurse(DefaultLegacyArtifactCollector.java:584)
      4. org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.recurse(DefaultLegacyArtifactCollector.java:584)
      5. org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.recurse(DefaultLegacyArtifactCollector.java:584)
      6. org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.recurse(DefaultLegacyArtifactCollector.java:584)
      7. org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.recurse(DefaultLegacyArtifactCollector.java:584)
      8. org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.collect(DefaultLegacyArtifactCollector.java:144)
      8 frames
    9. org.jetbrains.idea
      CustomMaven3ArtifactResolver.resolveTransitively
      1. org.jetbrains.idea.maven.server.embedder.CustomMaven3ArtifactResolver.resolve(CustomMaven3ArtifactResolver.java:458)
      2. org.jetbrains.idea.maven.server.embedder.CustomMaven3ArtifactResolver.resolveWithExceptions(CustomMaven3ArtifactResolver.java:313)
      3. org.jetbrains.idea.maven.server.embedder.CustomMaven3ArtifactResolver.resolveTransitively(CustomMaven3ArtifactResolver.java:307)
      4. org.jetbrains.idea.maven.server.embedder.CustomMaven3ArtifactResolver.resolveTransitively(CustomMaven3ArtifactResolver.java:286)
      5. org.jetbrains.idea.maven.server.embedder.CustomMaven3ArtifactResolver.resolveTransitively(CustomMaven3ArtifactResolver.java:264)
      6. org.jetbrains.idea.maven.server.embedder.CustomMaven3ArtifactResolver.resolveTransitively(CustomMaven3ArtifactResolver.java:257)
      6 frames
    10. JetBrains idea
      Maven30ServerEmbedderImpl.resolveTransitively
      1. org.jetbrains.idea.maven.server.Maven30ServerEmbedderImpl.resolveTransitively(Maven30ServerEmbedderImpl.java:944)
      1 frame
    11. Java RT
      TCPTransport$ConnectionHandler.lambda$run$255
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:497)
      5. sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:323)
      6. sun.rmi.transport.Transport$1.run(Transport.java:200)
      7. sun.rmi.transport.Transport$1.run(Transport.java:197)
      8. java.security.AccessController.doPrivileged(Native Method)
      9. sun.rmi.transport.Transport.serviceCall(Transport.java:196)
      10. sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
      11. sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
      12. sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$255(TCPTransport.java:683)
      12 frames