我正在使用JDBC-sink连接器尝试使用Postgres Sink的Kafka .
Exception:
INFO Unable to connect to database on attempt 1/3. Will retry in 10000 ms. (io.confluent.connect.jdbc.util.CachedConnectionProvider:91)
java.sql.SQLException: No suitable driver found for jdbc:postgresql://localhost:5432/casb
at java.sql.DriverManager.getConnection(DriverManager.java:689)
at java.sql.DriverManager.getConnection(DriverManager.java:247)
at io.confluent.connect.jdbc.util.CachedConnectionProvider.newConnection(CachedConnectionProvider.java:85)
at io.confluent.connect.jdbc.util.CachedConnectionProvider.getValidConnection(CachedConnectionProvider.java:68)
at io.confluent.connect.jdbc.sink.JdbcDbWriter.write(JdbcDbWriter.java:56)
at io.confluent.connect.jdbc.sink.JdbcSinkTask.put(JdbcSinkTask.java:69)
at org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:495)
at org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:288)
at org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:198)
at org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:166)
at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:170)
at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:214)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Sink.properties:
name=test-sink
connector.class=io.confluent.connect.jdbc.JdbcSinkConnector
tasks.max=1
topics=fp_test
connection.url=jdbc:postgresql://localhost:5432/casb
connection.user=admin
connection.password=***
auto.create=true
我已设置 plugin.path=/usr/share/java/kafka-connect-jdbc
在 /usr/share/java/kafka-connect-jdbc 我有以下文件:
kafka-connect-jdbc-4.0.0.jar
, postgresql-9.4-1206-jdbc41.jar
, sqlite-jdbc-3.8.11.2.jar
和其他一些基本上与汇合包装在一起的 jar .
然后我下载了postgres -jdbc驱动程序jar postgresql-42.2.2.jar
,将其复制到同一文件夹中并再次尝试 . 仍然是同样的例外 .
请帮我解决这个问题 .
1 回答
设置
plugin.path=/usr/share/java
和CLASSPATH=/usr/share/java/kafka-connect-jdbc/
解决了这个问题 .