Shawn Heisey created SOLR-11406:
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Summary: Solr 7.0 cannot read indexes from 6.6.0 or 6.6.1
Key: SOLR-11406
URL: https://issues.apache.org/jira/browse/SOLR-11406
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Affects Versions: 7.0
Environment: C:\Users\sheisey\Downloads\solr-7.0.0>ver
Microsoft Windows [Version 6.1.7601]
C:\Users\sheisey\Downloads\solr-7.0.0>java -version
java version "1.8.0_144"
Java(TM) SE Runtime Environment (build 1.8.0_144-b01)
Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode)
Reporter: Shawn Heisey
Reproduced a user problem from the mailing list.
Steps:
* Start Solr 6.6.0 from an extracted download with "bin/solr start"
* Create a core: "bin/solr create -c foo"
* Add documents with the admin UI
* Stop Solr
* Copy solr-6.6.0/server/solr/foo to solr-7.0.0/server/solr in extracted Solr
7.0 download
* Start Solr 7.0 with "bin/solr start"
(I was on Windows, so I used backslashes everywhere these steps have forward
slashes)
Solr will be unable to start the core. Error and stacktrace:
{code}
2017-09-27 15:13:30.050 ERROR (coreContainerWorkExecutor-2-thread-1) [ ]
o.a.s.c.CoreContainer Error waiting for SolrCore to be created
java.util.concurrent.ExecutionException: org.apache.solr.common.SolrException:
Unable to create core [foo]
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at
org.apache.solr.core.CoreContainer.lambda$load$118(CoreContainer.java:647)
at
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$128(ExecutorUtil.java:188)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.solr.common.SolrException: Unable to create core [foo]
at
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:996)
at
org.apache.solr.core.CoreContainer.lambda$load$117(CoreContainer.java:619)
at
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:197)
... 5 more
Caused by: org.apache.solr.common.SolrException: Error opening new searcher
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:988)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:843)
at
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:980)
... 7 more
Caused by: org.apache.solr.common.SolrException: Error opening new searcher
at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:2066)
at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:2186)
at org.apache.solr.core.SolrCore.initSearcher(SolrCore.java:1071)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:960)
... 9 more
Caused by: java.lang.NullPointerException
at java.util.Objects.requireNonNull(Objects.java:203)
at java.util.Optional.<init>(Optional.java:96)
at java.util.Optional.of(Optional.java:108)
at java.util.stream.ReduceOps$2ReducingSink.get(ReduceOps.java:129)
at java.util.stream.ReduceOps$2ReducingSink.get(ReduceOps.java:107)
at
java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.reduce(ReferencePipeline.java:479)
at
org.apache.solr.index.SlowCompositeReaderWrapper.<init>(SlowCompositeReaderWrapper.java:76)
at
org.apache.solr.index.SlowCompositeReaderWrapper.wrap(SlowCompositeReaderWrapper.java:57)
at
org.apache.solr.search.SolrIndexSearcher.<init>(SolrIndexSearcher.java:252)
at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:2034)
... 12 more
{code}
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