java.lang.NullPointerException

GitHub | cstroe | 3 months ago
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  1. 0

    SchemaRegistryStoreException: Error while registering the schema in the backend Kafka store

    Google Groups | 7 months ago | Hanna Lee
    io.confluent.kafka.schemaregistry.exceptions.SchemaRegistryStoreException: Error while registering the schema in the backend Kafka store
  2. 0

    Unable to register new schemas in SR

    Google Groups | 1 year ago | Stuart Wong
    io.confluent.kafka.schemaregistry.exceptions.SchemaRegistryTimeoutException: Write to the Kafka store timed out while
  3. 0

    error starting schema registry

    Google Groups | 11 months ago | Andrey Plaksin
    io.confluent.kafka.schemaregistry.exceptions.SchemaRegistryInitializationException: Error initializing kafka store while initializing schema registry at io.confluent.kafka.schemaregistry.storage.KafkaSchemaRegistry.init(KafkaSchemaRegistry.java:166)
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  5. 0

    Unable to start 3rd instance of Schema Registry

    Google Groups | 10 months ago | SK
    io.confluent.kafka.schemaregistry.exceptions.SchemaRegistryInitializationException: Error initializing kafka store while initializing schema registry
  6. 0

    StoreTimeoutException when starting schema registry

    Google Groups | 2 years ago | Sigurd Knippenberg
    io.confluent.kafka.schemaregistry.exceptions.SchemaRegistryInitializationException: Error initializing kafka store while initializing schema registry
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at java.io.StringReader.<init>()
  2. Java RT
    StringReader.<init>
    1. java.io.StringReader.<init>(StringReader.java:50)
    1 frame
  3. Apache Avro
    Schema$Parser.parse
    1. org.apache.avro.Schema$Parser.parse(Schema.java:953)
    1 frame
  4. io.confluent.kafka
    SubjectVersionsResource.register
    1. io.confluent.kafka.schemaregistry.avro.AvroUtils.parseSchema(AvroUtils.java:32)
    2. io.confluent.kafka.schemaregistry.storage.KafkaSchemaRegistry.canonicalizeSchema(KafkaSchemaRegistry.java:553)
    3. io.confluent.kafka.schemaregistry.storage.KafkaSchemaRegistry.lookUpSchemaUnderSubject(KafkaSchemaRegistry.java:393)
    4. io.confluent.kafka.schemaregistry.storage.KafkaSchemaRegistry.registerOrForward(KafkaSchemaRegistry.java:367)
    5. io.confluent.kafka.schemaregistry.rest.resources.SubjectVersionsResource.register(SubjectVersionsResource.java:154)
    5 frames
  5. Java RT
    Method.invoke
    1. sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source)
    2. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3. java.lang.reflect.Method.invoke(Method.java:498)
    3 frames
  6. jersey-core-server
    ServerRuntime$2.run
    1. org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
    2. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
    3. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
    4. org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$VoidOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:143)
    5. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99)
    6. org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
    7. org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
    8. org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
    9. org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:308)
    9 frames
  7. Jersey Core
    RequestScope.runInScope
    1. org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
    2. org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
    3. org.glassfish.jersey.internal.Errors.process(Errors.java:315)
    4. org.glassfish.jersey.internal.Errors.process(Errors.java:297)
    5. org.glassfish.jersey.internal.Errors.process(Errors.java:267)
    6. org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
    6 frames
  8. jersey-core-server
    ApplicationHandler.handle
    1. org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:291)
    2. org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1140)
    2 frames
  9. jersey-container-servlet-core
    ServletContainer.service
    1. org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:403)
    2. org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:386)
    3. org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:334)
    4. org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:221)
    4 frames
  10. Jetty
    QueuedThreadPool$3.run
    1. org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)
    2. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
    3. org.eclipse.jetty.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:256)
    4. org.eclipse.jetty.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:219)
    5. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
    6. org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
    7. org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
    8. org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
    9. org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
    10. org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
    11. org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
    12. org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
    13. org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
    14. org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
    15. org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:159)
    16. org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
    17. org.eclipse.jetty.server.Server.handle(Server.java:499)
    18. org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
    19. org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
    20. org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
    21. org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
    22. org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
    22 frames
  11. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame