org.apache.kafka.connect.errors.ConnectException

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  • GitHub comment 76#243124232
    via GitHub by jecos
    ,
  • Without this, in an environment with NN-HA or security setup, the postprocessing action will fail accdssing the filesystem {quote} Failing Oozie Launcher, Main class [org.apache.oozie.action.hadoop.JavaMain], main() threw exception, java.lang.IllegalArgumentException: java.net.UnknownHostException: nameservice org.apache.oozie.action.hadoop.JavaMainException: java.lang.IllegalArgumentException: java.net.UnknownHostException: nameservice at org.apache.oozie.action.hadoop.JavaMain.run(JavaMain.java:59) at org.apache.oozie.action.hadoop.LauncherMain.run(LauncherMain.java:47) at org.apache.oozie.action.hadoop.JavaMain.main(JavaMain.java:35) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.oozie.action.hadoop.LauncherMapper.map(LauncherMapper.java:236) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54) at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158) Caused by: java.lang.IllegalArgumentException: java.net.UnknownHostException: nameservice at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:377) at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:310) at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:176) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:678) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:619) at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:149) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2653) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:92) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2687) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2669) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:371) at org.apache.falcon.hadoop.HadoopClientFactory$1.run(HadoopClientFactory.java:200) at org.apache.falcon.hadoop.HadoopClientFactory$1.run(HadoopClientFactory.java:198) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) at org.apache.falcon.hadoop.HadoopClientFactory.createFileSystem(HadoopClientFactory.java:198) at org.apache.falcon.hadoop.HadoopClientFactory.createProxiedFileSystem(HadoopClientFactory.java:153) at org.apache.falcon.hadoop.HadoopClientFactory.createProxiedFileSystem(HadoopClientFactory.java:145) at org.apache.falcon.workflow.WorkflowExecutionContext.serialize(WorkflowExecutionContext.java:313) at org.apache.falcon.workflow.WorkflowExecutionContext.serialize(WorkflowExecutionContext.java:299) at org.apache.falcon.workflow.FalconPostProcessing.run(FalconPostProcessing.java:49) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.falcon.workflow.FalconPostProcessing.main(FalconPostProcessing.java:39) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.oozie.action.hadoop.JavaMain.run(JavaMain.java:56) ... 15 more Caused by: java.net.UnknownHostException: nameservice ... 44 more {quote} In the above stack trace it is clear that we are using non-HA proxy because the configuration used does not have the HA information
    via by Venkat Ranganathan,
  • Error Initializing SparkContext
    via by Unknown author,
  • GitHub comment 1257#175789890
    via GitHub by lbergelson
    ,
  • Distcp is failing in HA - Hortonworks
    via by Unknown author,
    • org.apache.kafka.connect.errors.ConnectException: java.lang.reflect.InvocationTargetException at io.confluent.connect.hdfs.storage.StorageFactory.createStorage(StorageFactory.java:31) at io.confluent.connect.hdfs.DataWriter.<init>(DataWriter.java:168) at io.confluent.connect.hdfs.HdfsSinkTask.start(HdfsSinkTask.java:64) at org.apache.kafka.connect.runtime.WorkerSinkTask.initializeAndStart(WorkerSinkTask.java:207) at org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:139) at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:140) at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:175) 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:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:422) at io.confluent.connect.hdfs.storage.StorageFactory.createStorage(StorageFactory.java:29) ... 11 more Caused by: java.lang.IllegalArgumentException: java.net.UnknownHostException: nameservice1 at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:374) at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:312) at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:178) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:665) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:601) at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:148) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2596) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:91) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2630) at org.apache.hadoop.fs.FileSystem$Cache.getUnique(FileSystem.java:2618) at org.apache.hadoop.fs.FileSystem.newInstance(FileSystem.java:417) at io.confluent.connect.hdfs.storage.HdfsStorage.<init>(HdfsStorage.java:39) ... 16 more

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