When I restart Solr it throws the following error. Solr collection indexed to
pdf in hdfs throws error during solr restart.
Error
java.util.concurrent.ExecutionException: org.apache.solr.common.SolrException:
Unable to create core [PDFIndex]
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$6(CoreContainer.java:594)
at
com.codahale.metrics.InstrumentedExecutorService$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$0(ExecutorUtil.java:229)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.solr.common.SolrException: Unable to create core
[PDFIndex]
at
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:966)
at org.apache.solr.core.CoreContainer.lambda$load$5(CoreContainer.java:565)
at
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:197)
... 5 more
Caused by: org.apache.solr.common.SolrException: Index dir
'hdfs://192.168.1.16:8020/PDFIndex/data/index/' of core 'PDFIndex' is already
locked. The most likely cause is another Solr server (or another solr core in
this server) also configured to use this directory; other possible causes may
be specific to lockType: hdfs
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:977)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:830)
at
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:950)
... 7 more
Caused by: org.apache.lucene.store.LockObtainFailedException: Index dir
'hdfs://192.168.1.16:8020/PDFIndex/data/index/' of core 'PDFIndex' is already
locked. The most likely cause is another Solr server (or another solr core in
this server) also configured to use this directory; other possible causes may
be specific to lockType: hdfs
at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:712)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:923)
... 9 more
2018-12-22 07:55:13.431 ERROR (OldIndexDirectoryCleanupThreadForCore-PDFIndex)
[ x:PDFIndex] o.a.s.c.HdfsDirectoryFactory Error checking for old index
directories to clean-up.
java.io.IOException: Filesystem closed
at org.apache.hadoop.hdfs.DFSClient.checkOpen(DFSClient.java:808)
at org.apache.hadoop.hdfs.DFSClient.listPaths(DFSClient.java:2083)
at org.apache.hadoop.hdfs.DFSClient.listPaths(DFSClient.java:2069)
at
org.apache.hadoop.hdfs.DistributedFileSystem.listStatusInternal(DistributedFileSystem.java:791)
at
org.apache.hadoop.hdfs.DistributedFileSystem.access$700(DistributedFileSystem.java:106)
at
org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:853)
at
org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:849)
at
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
at
org.apache.hadoop.hdfs.DistributedFileSystem.listStatus(DistributedFileSystem.java:860)
at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:1517)
at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:1557)
at
org.apache.solr.core.HdfsDirectoryFactory.cleanupOldIndexDirectories(HdfsDirectoryFactory.java:546)
at
org.apache.solr.core.SolrCore.lambda$cleanupOldIndexDirectories$19(SolrCore.java:3050)
at java.lang.Thread.run(Thread.java:748)
2018-12-22 07:55:13.433 ERROR (OldIndexDirectoryCleanupThreadForCore-PDFIndex)
[ x:PDFIndex] o.a.s.c.SolrCore Failed to cleanup old index directories for
core PDFIndex
java.lang.NullPointerException
at
org.apache.solr.core.HdfsDirectoryFactory.cleanupOldIndexDirectories(HdfsDirectoryFactory.java:564)
at
org.apache.solr.core.SolrCore.lambda$cleanupOldIndexDirectories$19(SolrCore.java:3050)
at java.lang.Thread.run(Thread.java:748)
I have created the collection in Solr which will index the pdf files and this
collection is indexing all the pdf in HDFS.
Thanks & Regards
Vaibhav Shukla
Sent from Mail for Windows 10
