Hello, Tim.
Please confirm my understanding. Does exception happens in standalone Java
ingesting app?
If, it's so, Does it reuse either SolrInputDocument instances of
fields/values collections between update calls?
On Wed, Nov 6, 2019 at 8:00 AM Tim Swetland <tswetl...@gmail.com> wrote:
> Nevermind my comment on not having this problem in 8.1. We do have it there
> as well, I just didn't look far enough back in our logs on my initial
> search. Would still appreciate whatever thoughts anyone might have on the
> exception.
>
> On Wed, Nov 6, 2019 at 10:17 AM Tim Swetland <tswetl...@gmail.com> wrote:
>
> > I'm currently running into a ConcurrentModificationException ingesting
> > data as we attempt to upgrade from Solr 8.1 to 8.2. It's not every
> > document, but it definitely appears regularly in our logs. We didn't run
> > into this problem in 8.1, so I'm not sure what might have changed. I feel
> > like this is probably a bug, but if there's a workaround or if there's an
> > idea of something I might be doing wrong, please let me know.
> >
> > Stack trace:
> > o.a.s.u.ErrorReportingConcurrentUpdateSolrClient Error when calling
> > SolrCmdDistributor$Req: cmd=add{_version=<version>,id=<id>};
> node=StdNode:
> > https://<server>/solr/coll_shard1_replica_n2/ to https://
> <server>/solr/coll_shard1_replica_n2/
> > => java.util.ConcurrentModificationException
> > at java.util.LinkedHashMap.forEach(LinkedHashMap.java:686)
> > java.util.ConcurrentModificationException: null
> > at java.util.LinkedHashMap.forEach(LinkedHashMap.java:686)
> > at
> >
> org.apache.solr.common.SolrInputDocument.writeMap(SolrInputDocument.java:51)
> > at
> >
> org.apache.solr.common.util.JavaBinCodec.writeSolrInputDocument(JavaBinCodec.java:658)
> > at
> >
> org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:383)
> > at
> > org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:253)
> > at
> >
> org.apache.solr.common.util.JavaBinCodec.writeMapEntry(JavaBinCodec.java:813)
> >
> > at
> >
> org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:411)
> >
> > at
> > org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:253)
> > at
> >
> org.apache.solr.common.util.JavaBinCodec.writeIterator(JavaBinCodec.java:750)
> >
> > at
> >
> org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:395)
> >
> > at
> > org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:253)
> > at
> >
> org.apache.solr.common.util.JavaBinCodec.writeNamedList(JavaBinCodec.java:248)
> >
> > at
> >
> org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:355)
> >
> > at
> > org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:253)
> > at
> > org.apache.solr.common.util.JavaBinCodec.marshal(JavaBinCodec.java:167)
> > at
> >
> org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec.marshal(JavaBinUpdateRequestCodec.java:102)
> > at
> >
> org.apache.solr.client.solrj.impl.BinaryRequestWriter.write(BinaryRequestWriter.java:83)
> > at
> >
> org.apache.solr.client.solrj.impl.Http2SolrClient.send(Http2SolrClient.java:338)
> >
> > at
> >
> org.apache.solr.client.solrj.impl.ConcurrentUpdateHttp2SolrClient$Runner.sendUpdateStream(ConcurrentUpdateHttp2SolrClient.java:231)
> >
> > at
> >
> org.apache.solr.client.solrj.impl.ConcurrentUpdateHttp2SolrClient$Runner.run(ConcurrentUpdateHttp2SolrClient.java:176)
> >
> > at
> >
> com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:181)
> > at
> >
> org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil
> > .java:209)
> > at
> >
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> > at
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> >
> > at java.lang.Thread.run(Thread.java:748)
> >
> >
>
--
Sincerely yours
Mikhail Khludnev
