[ https://issues.apache.org/jira/browse/ACCUMULO-693?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Christopher Tubbs updated ACCUMULO-693: --------------------------------------- Affects Version/s: (was: 1.5.0) > Too Many "Problem Renewing Lease" Messages > ------------------------------------------ > > Key: ACCUMULO-693 > URL: https://issues.apache.org/jira/browse/ACCUMULO-693 > Project: Accumulo > Issue Type: Improvement > Reporter: David Medinets > Priority: Minor > > I restarted Hadoop and reloaded my Accumulo monitor page. Then the exception > below starting appearing in my tserver log - a lot. Does it make sense to try > three times with increasing pauses between the attempts? Should the web page > timeout an display an error message? > 15 02:14:32,694 [hdfs.DFSClient] WARN : Problem renewing lease for > DFSClient_134996827 > org.apache.hadoop.ipc.RemoteException: > org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot renew lease > for DFSClient_134996827. Name node is in safe mode. > The ratio of reported blocks 0.8750 has not reached the threshold 0.9990. > Safe mode will be turned off automatically. > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.renewLease(FSNamesystem.java:1978) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.renewLease(NameNode.java:550) > at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953) > at org.apache.hadoop.ipc.Client.call(Client.java:740) > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220) > at $Proxy0.renewLease(Unknown Source) > at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59) > at $Proxy0.renewLease(Unknown Source) > at > org.apache.hadoop.hdfs.DFSClient$LeaseChecker.renew(DFSClient.java:1057) > at > org.apache.hadoop.hdfs.DFSClient$LeaseChecker.run(DFSClient.java:1069) > at java.lang.Thread.run(Thread.java:722) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira