FAQ
Dear list,

I changed to Solr 5.5.1 - before I made some extensive tests with 5.5.0

With 5.5.1 I get the exceptions copied at the bottom of this message.

When I changed back to version 5.5.0 (on the same host) using the same
configurations for this core the creation of the core is possible.

Moving the 5.5.1 configuration to another host I don't get this
exception. At least so far.

Any idea why this behavior?

Thanks a lot!

Günter




** exeception messages**
org.apache.solr.common.SolrException
      at org.apache.solr.core.SolrCore.(SolrCore.java:658)
      at org.apache.solr.core.CoreContainer.create(CoreContainer.java:814)
      at org.apache.solr.core.CoreContainer.access$000(CoreContainer.java:87)
      at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:467)
      at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:458)
      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
      at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$1.run(ExecutorUtil.java:231)
      at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      at java.lang.Thread.run(Thread.java:745)
Caused by: java.nio.channels.OverlappingFileLockException
      at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255)
      at sun.nio.ch.SharedFileLockTable.add(FileLockTable.java:152)
      at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:1108)
      at java.nio.channels.FileChannel.tryLock(FileChannel.java:1155)
      at
org.apache.lucene.store.NativeFSLockFactory.obtainFSLock(NativeFSLockFactory.java:114)
      at
org.apache.lucene.store.FSLockFactory.obtainLock(FSLockFactory.java:41)
      at
org.apache.lucene.store.BaseDirectory.obtainLock(BaseDirectory.java:45)
      at
org.apache.lucene.store.FilterDirectory.obtainLock(FilterDirectory.java:94)
      at org.apache.lucene.index.IndexWriter.isLocked(IndexWriter.java:4487)
      at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:522)
      at org.apache.solr.core.SolrCore.<init>(SolrCore.java:761)
      ... 10 more




java.util.concurrent.ExecutionException:
org.apache.solr.common.SolrException: Unable to create core [sbbiblio]
      at java.util.concurrent.FutureTask.report(FutureTask.java:122)
      at java.util.concurrent.FutureTask.get(FutureTask.java:192)
      at org.apache.solr.core.CoreContainer$2.run(CoreContainer.java:496)
      at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
      at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$1.run(ExecutorUtil.java:231)
      at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.solr.common.SolrException: Unable to create core
[sbbiblio]
      at org.apache.solr.core.CoreContainer.create(CoreContainer.java:828)
      at org.apache.solr.core.CoreContainer.access$000(CoreContainer.java:87)
      at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:467)
      at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:458)
      ... 5 more
Caused by: org.apache.solr.common.SolrException
      at org.apache.solr.core.SolrCore.(SolrCore.java:658)
      at org.apache.solr.core.CoreContainer.create(CoreContainer.java:814)
      ... 8 more
Caused by: java.nio.channels.OverlappingFileLockException
      at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255)
      at sun.nio.ch.SharedFileLockTable.add(FileLockTable.java:152)
      at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:1108)
      at java.nio.channels.FileChannel.tryLock(FileChannel.java:1155)
      at
org.apache.lucene.store.NativeFSLockFactory.obtainFSLock(NativeFSLockFactory.java:114)
      at
org.apache.lucene.store.FSLockFactory.obtainLock(FSLockFactory.java:41)
      at
org.apache.lucene.store.BaseDirectory.obtainLock(BaseDirectory.java:45)
      at
org.apache.lucene.store.FilterDirectory.obtainLock(FilterDirectory.java:94)
      at org.apache.lucene.index.IndexWriter.isLocked(IndexWriter.java:4487)
      at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:522)
      at org.apache.solr.core.SolrCore.<init>(SolrCore.java:761)
      ... 10 more


--
UNIVERSITÄT BASEL
Universitätsbibliothek
Günter Hipler
Projekt swissbib
Schönbeinstrasse 18-20
4056 Basel, Schweiz
Tel.: +41 61 267 31 12
Fax: +41 61 267 31 03
E-Mail guenter.hipler@unibas.ch
URL www.swissbib.org

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