我正在玩Conluent Platform/Kafka Connect和类似的东西,我想运行几个例子。Kafka Connect - 文件源连接器错误
我跟着从here快速启动。这意味着:
- 安装汇合平台(V3.2.1)
- 运行动物园管理员,卡夫卡经纪人和Schema注册
- 运行例如读取文件中的数据(witk卡夫卡连接)
我跑此命令(编号3):
[[email protected] confluent-3.2.1]# ./bin/connect-standalone ./etc/schema-registry/connect-avro-standalone.properties ./etc/kafka/connect-file-source.properties
但得到这样的结果:
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/root/confluent-3.2.1/etc/kafka-connect-opentsdb/target/scala-2.11/kafka-connect-opentsdb-assembly-0.0.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/root/confluent-3.2.1/share/java/kafka-serde-tools/slf4j-log4j12-1.7.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/root/confluent-3.2.1/share/java/kafka-connect-elasticsearch/slf4j-simple-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/root/confluent-3.2.1/share/java/kafka-connect-hdfs/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/root/confluent-3.2.1/share/java/kafka-connect-s3/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/root/confluent-3.2.1/share/java/kafka-connect-storage-common/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/root/confluent-3.2.1/share/java/kafka/slf4j-log4j12-1.7.21.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorStaticBinder]
Exception in thread "main" java.lang.NoSuchFieldError: SYSTEM
at org.apache.kafka.connect.cli.ConnectStandalone.main(ConnectStandalone.java:67)
ConnectStandalone.java
67行上的文件是这样的:Time time = Time.SYSTEM;
,但我不知道,为什么它应该会导致任何错误。有任何想法吗?我错过重要的东西吗?
我的工作环境:
- Hortonworks沙盒[HDP 2.5.0.0-1245]
- CentOS版本6.8
- 的Java:OpenJDK的版本 “1.8.0_121”
它与[OpenTSDB连接器](https://github.com/jeff-svds/kafka-connect-opentsdb)有关。当我将JAR文件包含在我的类路径中(根据说明)时,我得到了两个相同的输出(如文件源连接器与OpenTSDB连接器一样)。当它没有设置时,我可以运行文件源连接器但不是OpenTSDB之一(连接器未找到,因为它不在classpath中)。不知道如何设置正确的.. – Nerxis