[英]Kafka Cassandra sink error while trying to insert data
I am using kafka 2.1 and cassandra 3.11.3,OS-windows.我正在使用 kafka 2.1 和 cassandra 3.11.3,OS-windows。 I have downloaded the connector from https://docs.lenses.io/connectors/sink/cassandra.html .
我已经从https://docs.lenses.io/connectors/sink/cassandra.html下载了连接器。 I have mentioned the folder containing downloaded jar in plug.path in standalone.properties
我在standalone.properties的plug.path中提到了包含下载的jar的文件夹
the following is my sink properties:以下是我的接收器属性:
name=cassandra-sink-orders
connector.class=com.datamountaineer.streamreactor.connect.cassandra.sink.CassandraSinkConnector
tasks.max=1
topics=caskaf
connect.cassandra.port=9042
connect.cassandra.contact.points=localhost
connect.cassandra.key.space=springboottest
connect.cassandra.username=cassandra
connect.cassandra.password=cassandra
connect.cassandra.error.policy=NOOP
connect.cassandra.kcql=INSERT INTO student SELECT * FROM caskaf
connect.progress.enabled=true
when i run the connector:当我运行连接器时:
.\bin\windows\connect-standalone.bat .\config\connect-standalone.properties config\cassandra-sink.properties
the following is the error i am getting:以下是我得到的错误:
caused by: java.lang.ClassNotFoundException: org.osgi.framework.BundleActivator
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:388)
... 9 more
[2020-06-02 17:44:25,217] WARN could not get type for name org.apache.kafka.clients.admin.MockAdminClient from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name org.apache.kafka.clients.admin.MockAdminClient
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:390)
at org.reflections.Reflections.expandSuperTypes(Reflections.java:381)
at org.reflections.Reflections.<init>(Reflections.java:126)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.<init>(DelegatingClassLoader.java:404)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:304)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:242)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:190)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:183)
at org.apache.kafka.connect.runtime.isolation.Plugins.<init>(Plugins.java:61)
at org.apache.kafka.connect.cli.ConnectStandalone.main(ConnectStandalone.java:77)
Caused by: java.lang.ClassNotFoundException: org.apache.kafka.clients.admin.MockAdminClient
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:388)
... 9 more
[2020-06-02 17:44:25,225] WARN could not get type for name org.scalatest.Assertions from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name org.scalatest.Assertions
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:390)
at org.reflections.Reflections.expandSuperTypes(Reflections.java:381)
at org.reflections.Reflections.<init>(Reflections.java:126)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.<init>(DelegatingClassLoader.java:404)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:304)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:242)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:190)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:183)
at org.apache.kafka.connect.runtime.isolation.Plugins.<init>(Plugins.java:61)
at org.apache.kafka.connect.cli.ConnectStandalone.main(ConnectStandalone.java:77)
Caused by: java.lang.ClassNotFoundException: org.scalatest.Assertions
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:388)
... 9 more
[2020-06-02 17:44:25,231] WARN could not get type for name org.easymock.EasyMockSupport from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name org.easymock.EasyMockSupport
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:390)
at org.reflections.Reflections.expandSuperTypes(Reflections.java:381)
at org.reflections.Reflections.<init>(Reflections.java:126)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.<init>(DelegatingClassLoader.java:404)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:304)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:242)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:190)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:183)
at org.apache.kafka.connect.runtime.isolation.Plugins.<init>(Plugins.java:61)
at org.apache.kafka.connect.cli.ConnectStandalone.main(ConnectStandalone.java:77)
Caused by: java.lang.ClassNotFoundException: org.easymock.EasyMockSupport
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:388)
... 9 more
[2020-06-02 17:44:25,235] WARN could not get type for name org.osgi.framework.SynchronousBundleListener from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name org.osgi.framework.SynchronousBundleListener
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:390)
at org.reflections.Reflections.expandSuperTypes(Reflections.java:381)
at org.reflections.Reflections.<init>(Reflections.java:126)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.<init>(DelegatingClassLoader.java:404)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:304)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:242)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:190)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:183)
at org.apache.kafka.connect.runtime.isolation.Plugins.<init>(Plugins.java:61)
at org.apache.kafka.connect.cli.ConnectStandalone.main(ConnectStandalone.java:77)
Caused by: java.lang.ClassNotFoundException: org.osgi.framework.SynchronousBundleListener
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:388)
... 9 more
[2020-06-02 17:44:25,248] WARN could not get type for name jline.Completor from any class loader (org.reflections.Reflections)
org.reflections.ReflectionsException: could not get type for name jline.Completor
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:390)
at org.reflections.Reflections.expandSuperTypes(Reflections.java:381)
at org.reflections.Reflections.<init>(Reflections.java:126)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader$InternalReflections.<init>(DelegatingClassLoader.java:404)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:304)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:242)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:190)
at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:183)
at org.apache.kafka.connect.runtime.isolation.Plugins.<init>(Plugins.java:61)
at org.apache.kafka.connect.cli.ConnectStandalone.main(ConnectStandalone.java:77)
Caused by: java.lang.ClassNotFoundException: jline.Completor
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at org.reflections.ReflectionUtils.forName(ReflectionUtils.java:388)
... 9 more
[2020-06-02 17:44:25,445] WARN The configuration 'offset.flush.interval.ms' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2020-06-02 17:44:25,445] WARN The configuration 'key.converter.schemas.enable' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2020-06-02 17:44:25,447] WARN The configuration 'offset.storage.file.filename' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2020-06-02 17:44:25,447] WARN The configuration 'value.converter.schemas.enable' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2020-06-02 17:44:25,447] WARN The configuration 'plugin.path' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2020-06-02 17:44:25,447] WARN The configuration 'value.converter' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2020-06-02 17:44:25,447] WARN The configuration 'key.converter' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
Jun 02, 2020 5:44:26 PM org.glassfish.jersey.internal.inject.Providers checkProviderRuntime
WARNING: A provider org.apache.kafka.connect.runtime.rest.resources.RootResource registered in SERVER runtime does not implement any provider interfaces applicable in the SERVER runtime. Due to constraint configuration problems the provider org.apache.kafka.connect.runtime.rest.resources.RootResource will be ignored.
Jun 02, 2020 5:44:26 PM org.glassfish.jersey.internal.inject.Providers checkProviderRuntime
WARNING: A provider org.apache.kafka.connect.runtime.rest.resources.ConnectorPluginsResource registered in SERVER runtime does not implement any provider interfaces applicable in the SERVER runtime. Due to constraint configuration problems the provider org.apache.kafka.connect.runtime.rest.resources.ConnectorPluginsResource will be ignored.
Jun 02, 2020 5:44:26 PM org.glassfish.jersey.internal.inject.Providers checkProviderRuntime
WARNING: A provider org.apache.kafka.connect.runtime.rest.resources.ConnectorsResource registered in SERVER runtime does not implement any provider interfaces applicable in the SERVER runtime. Due to constraint configuration problems the provider org.apache.kafka.connect.runtime.rest.resources.ConnectorsResource will be ignored.
Jun 02, 2020 5:44:27 PM org.glassfish.jersey.internal.Errors logErrors
WARNING: The following warnings have been detected: WARNING: The (sub)resource method createConnector in org.apache.kafka.connect.runtime.rest.resources.ConnectorsResource contains empty path annotation.
WARNING: The (sub)resource method listConnectors in org.apache.kafka.connect.runtime.rest.resources.ConnectorsResource contains empty path annotation.
WARNING: The (sub)resource method listConnectorPlugins in org.apache.kafka.connect.runtime.rest.resources.ConnectorPluginsResource contains empty path annotation.
WARNING: The (sub)resource method serverInfo in org.apache.kafka.connect.runtime.rest.resources.RootResource contains empty path annotation.
[2020-06-02 17:44:27,753] WARN Found Netty's native epoll transport, but not running on linux-based operating system. Using NIO instead. (com.datastax.driver.core.NettyUtil)
[2020-06-02 17:44:30,101] WARN You listed localhost/0:0:0:0:0:0:0:1:9042 in your contact points, but it wasn't found in the control host's system.peers at startup (com.datastax.driver.core.Cluster)
Is the kafka-connect version you are running 2.1 also?您正在运行的 kafka-connect 版本也是 2.1 吗? Can you also post the classpath jars that are loaded during connect startup?
您还可以发布在连接启动期间加载的类路径 jars 吗?
During the first lines of the connect's startup you should see something this在连接启动的第一行中,您应该看到以下内容
...
[2020-06-02 19:38:39,242] INFO WorkerInfo values:
jvm.args = -Xms256M, -Xmx2G, -XX:+UseG1GC, -XX:MaxGCPauseMillis=20, -XX:InitiatingHeapOccupancyPercent=35, -XX:+ExplicitGCInvokesConcurrent, -Djava.awt.headless=true, -Dcom.sun.management.jmxremote=true, -Dcom.sun.management.jmxremote.authenticate=false, -Dcom.sun.management.jmxremote.ssl=false, -Dkafka.logs.dir=/var/log/kafka, -Dlog4j.configuration=file:/etc/kafka/connect-log4j.properties
jvm.spec = Azul Systems, Inc., OpenJDK 64-Bit Server VM, 1.8.0_212, 25.212-b04
jvm.classpath = /etc/kafka-connect/jars/*: ...
...
*:/usr/share/java/support-metrics-client/*...
...
Also, is there a url with the specific kafka-connect archive in order to replicate this?此外,是否有带有特定 kafka-connect 存档的 url 以便复制它?
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