[ 
https://issues.apache.org/jira/browse/SOLR-11616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Varun Thacker updated SOLR-11616:
---------------------------------
    Attachment: solr-7.1.log

Okay I kept trying and after a few attempts in reproduced on Solr 7.1 as well . 
I played around with the soft commit time and reduced it to 100ms and then ran 
into the error

{code}
{
responseHeader: {
status: 500,
QTime: 23019
},
failure: {
172.16.0.83:8983_solr: 
"org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException:Error 
from server at http://172.16.0.83:8983/solr: Failed to backup 
core=gettingstarted_shard2_replica_n6 because 
java.nio.file.NoSuchFileException: 
/Users/varunthacker/solr-7.1.0/example/cloud/node1/solr/gettingstarted_shard2_replica_n6/data/index/_i9_Lucene50_0.tip"
},
Operation backup caused exception:: 
"org.apache.solr.common.SolrException:org.apache.solr.common.SolrException: 
Could not backup all replicas",
exception: {
msg: "Could not backup all replicas",
rspCode: 500
},
error: {
metadata: [
"error-class",
"org.apache.solr.common.SolrException",
"root-error-class",
"org.apache.solr.common.SolrException"
],
msg: "Could not backup all replicas",
trace: "org.apache.solr.common.SolrException: Could not backup all replicas at 
org.apache.solr.handler.admin.CollectionsHandler.handleResponse(CollectionsHandler.java:306)
 at 
org.apache.solr.handler.admin.CollectionsHandler.invokeAction(CollectionsHandler.java:243)
 at 
org.apache.solr.handler.admin.CollectionsHandler.handleRequestBody(CollectionsHandler.java:221)
 at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
 at org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:745) at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:726) 
at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:507) at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:382)
 at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
 at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1751)
 at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582) 
at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) 
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) 
at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
 at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
 at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512) 
at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
 at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
 at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) 
at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
 at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
 at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134) 
at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)
 at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134) 
at org.eclipse.jetty.server.Server.handle(Server.java:534) at 
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320) at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
 at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108) at 
org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93) 
at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
 at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
 at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
 at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
 at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) 
at java.base/java.lang.Thread.run(Thread.java:844) ",
code: 500
}
}
{code}

> Backup failing on a constantly changing index with NoSuchFileException
> ----------------------------------------------------------------------
>
>                 Key: SOLR-11616
>                 URL: https://issues.apache.org/jira/browse/SOLR-11616
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Varun Thacker
>            Assignee: Varun Thacker
>         Attachments: SOLR-11616.patch, solr-6.3.log, solr-7.1.log
>
>
> As reported by several users on SOLR-9120 , Solr backups fail with 
> NoSuchFileException on a constantly changing index. 
> Users linked SOLR-9120 to the root cause as the stack trace is the same , but 
> the fix proposed there won't fix backups to stop failing.
> We need to implement a similar fix in {{SnapShooter#createSnapshot}} to fix 
> the problem



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