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Posted to hdfs-dev@hadoop.apache.org by "Aravindan Vijayan (JIRA)" <ji...@apache.org> on 2019/04/29 19:56:00 UTC
[jira] [Resolved] (HDDS-1477) Recon Server stops after failed
attempt to get snapshot from OM
[ https://issues.apache.org/jira/browse/HDDS-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aravindan Vijayan resolved HDDS-1477.
-------------------------------------
Resolution: Cannot Reproduce
Could not reproduce this on a local recon instance without an OM to talk to.
> Recon Server stops after failed attempt to get snapshot from OM
> ---------------------------------------------------------------
>
> Key: HDDS-1477
> URL: https://issues.apache.org/jira/browse/HDDS-1477
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Recon
> Affects Versions: 0.4.0
> Reporter: Vivek Ratnavel Subramanian
> Assignee: Aravindan Vijayan
> Priority: Major
>
> Recon server stop after it is unable to connect to om
>
> {code:java}
> 2019-04-26 14:55:03,441 INFO org.apache.hadoop.utils.db.DBStoreBuilder: using custom profile for table: default
> 2019-04-26 14:55:03,441 INFO org.apache.hadoop.utils.db.DBStoreBuilder: Using default column profile:DBProfile.DISK for Table:default
> 2019-04-26 14:55:03,444 INFO org.apache.hadoop.utils.db.DBStoreBuilder: Using default options. DBProfile.DISK
> 2019-04-26 14:55:03,659 INFO org.apache.hadoop.conf.Configuration.deprecation: No unit for recon.om.connection.request.timeout(5000) assuming MILLISECONDS
> 2019-04-26 14:56:05,389 INFO org.apache.hadoop.ozone.recon.tasks.ContainerKeyMapperTask: Starting a run of ContainerKeyMapperTask.
> 2019-04-26 14:56:05,454 ERROR org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl: Unable to obtain Ozone Manager DB Snapshot.
> org.apache.http.conn.HttpHostConnectException: Connect to 0.0.0.0:9874 [/0.0.0.0] failed: Connection refused (Connection refused)
> at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:158)
> at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
> at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380)
> at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
> at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
> at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
> at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
> at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
> at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
> at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107)
> at org.apache.hadoop.ozone.recon.ReconUtils.makeHttpCall(ReconUtils.java:161)
> at org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl.getOzoneManagerDBSnapshot(OzoneManagerServiceProviderImpl.java:173)
> at org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl.updateReconOmDBWithNewSnapshot(OzoneManagerServiceProviderImpl.java:144)
> at org.apache.hadoop.ozone.recon.tasks.ContainerKeyMapperTask.run(ContainerKeyMapperTask.java:69)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> 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)
> Caused by: java.net.ConnectException: Connection refused (Connection refused)
> at java.net.PlainSocketImpl.socketConnect(Native Method)
> at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
> at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:204)
> at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
> at java.net.Socket.connect(Socket.java:589)
> at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:74)
> at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:141)
> ... 20 more
> 2019-04-26 14:56:05,456 ERROR org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl: Null snapshot location got from OM.
> 2019-04-26 16:09:09,557 INFO org.apache.hadoop.ozone.recon.ReconServer: Stopping Recon server
> {code}
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