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https://issues.apache.org/jira/browse/NIFI-916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Bende updated NIFI-916:
-----------------------------
Attachment: NIFI-916.patch
Patch allows breaking out of a while loop in PersistentProvenanceRepository
when the close flag is set. The while loop was previously preventing the
close() method from acquiring the write lock.
> NiFi stop command occasionally results in Socket Timeout exception
> ------------------------------------------------------------------
>
> Key: NIFI-916
> URL: https://issues.apache.org/jira/browse/NIFI-916
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Bryan Bende
> Fix For: 0.3.0
>
> Attachments: NIFI-916.patch
>
>
> When I issue the bin/nifi.sh stop command, running in CentOS 7 in my VM, I
> occasionally get a timeout exception. If this happens, it will continue to
> happen until I manually kill the process.
> Below is the output that I receive, as well as the results of running netstat
> to verify that NiFi is in fact listening on the port reported.
> {noformat}
> [mark@centos-7 nifi-0.3.0-SNAPSHOT]$ bin/nifi.sh stop
> Java home: /usr/java/latest
> NiFi home: /opt/nifi-0.3.0-SNAPSHOT
> Bootstrap Config File: /opt/nifi-0.3.0-SNAPSHOT/conf/bootstrap.conf
> 2015-08-31 16:05:38,454 ERROR [main] org.apache.nifi.bootstrap.Command Failed
> to send shutdown command to port 49560 due to
> java.net.SocketTimeoutException: Read timed out
> java.net.SocketTimeoutException: Read timed out
> at java.net.SocketInputStream.socketRead0(Native Method) ~[na:1.8.0_45]
> at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
> ~[na:1.8.0_45]
> at java.net.SocketInputStream.read(SocketInputStream.java:170)
> ~[na:1.8.0_45]
> at java.net.SocketInputStream.read(SocketInputStream.java:141)
> ~[na:1.8.0_45]
> at java.net.SocketInputStream.read(SocketInputStream.java:223)
> ~[na:1.8.0_45]
> at org.apache.nifi.bootstrap.RunNiFi.stop(RunNiFi.java:536)
> [nifi-bootstrap-0.3.0-SNAPSHOT.jar:0.3.0-SNAPSHOT]
> at org.apache.nifi.bootstrap.RunNiFi.main(RunNiFi.java:208)
> [nifi-bootstrap-0.3.0-SNAPSHOT.jar:0.3.0-SNAPSHOT]
> [mark@centos-7 nifi-0.3.0-SNAPSHOT]$
> [mark@centos-7 nifi-0.3.0-SNAPSHOT]$
> [mark@centos-7 nifi-0.3.0-SNAPSHOT]$
> [mark@centos-7 nifi-0.3.0-SNAPSHOT]$ netstat -anp | grep 49560
> (Not all processes could be identified, non-owned process info
> will not be shown, you would have to be root to see it all.)
> tcp 0 0 127.0.0.1:49560 0.0.0.0:* LISTEN
> 6873/java
> tcp 0 0 127.0.0.1:49560 127.0.0.1:37907
> CLOSE_WAIT 6873/java
> tcp 0 0 127.0.0.1:49560 127.0.0.1:37905
> CLOSE_WAIT 6873/java
> tcp6 0 0 127.0.0.1:37907 127.0.0.1:49560 FIN_WAIT2
> -
> {noformat}
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