I have a Dspace 6.3 installed on a linux machine, but searching/browsing
the repository, is not working (error stacktrace provided below).
Everything else is fine. The discovery interface is non existent in the
xmlui front page (see the attached photo), which leads me to believe it's a
configuration issue, but I cannot pinpoint it.
I have ensured that the user tomcat runs as, has write permissions on the
[dspace] directory, and I have edited the tomcat9.service file to include
these 2 lines under the [Service] section:
ReadWritePermissions=[dspace]/assetstore
ReadWritePermissions=[dspace]/webapps/solr
In addition, I have verified that the solr indexer is indeed located at the
value of {solr.server} in both local.cfg and dspace.cfg via performing:
wget -O - http://localhost:8080/solr/search/select?q=test
as stated in the docs, however, I get a 403 (Forbidden) response form that.
The xmlui error stacktrace is the following:
Expected mime type application/octet-stream but got text/html. <!doctype
html><html lang="en"><head><title>HTTP Status 500 – Internal Server
Error</title><style type="text/css">body
{font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b
{color:white;background-color:#525D76;} h1 {font-size:22px;} h2
{font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;}
.line
{height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP
Status 500 – Internal Server Error</h1><hr class="line" /><p><b>Type</b>
Status Report</p><p><b>Message</b> {msg=SolrCore 'search' is not
available due to init failure: Error opening new
searcher,trace=org.apache.solr.common.SolrException: SolrCore
'search' is not available due to init failure: Error opening new
searcher at
org.apache.solr.core.CoreContainer.getCore(CoreContainer.java:745) at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:299)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at
org.dspace.solr.filters.LocalHostRestrictionFilter.doFilter(LocalHostRestrictionFilter.java:50)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
at
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1639)
at
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748) Caused by:
org.apache.solr.common.SolrException: Error opening new searcher at
org.apache.solr.core.SolrCore.<init>(SolrCore.java:881) at
org.apache.solr.core.SolrCore.<init>(SolrCore.java:654) at
org.apache.solr.core.CoreContainer.create(CoreContainer.java:491) at
org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:255) at
org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:249) at
java.util.concurrent.FutureTask.run(FutureTask.java:266) at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
... 1 more Caused by: org.apache.solr.common.SolrException: Error opening
new searcher at
org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1574) at
org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1686) at
org.apache.solr.core.SolrCore.<init>(SolrCore.java:853) ... 8 more
Caused by: java.nio.file.FileSystemException:
/dspace/solr/search/data/index/write.lock:
Read-only file system at
sun.nio.fs.UnixException.translateToIOException(UnixException.java:91) at
sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) at
sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) at
sun.nio.fs.UnixFileSystemProvider.newFileChannel(UnixFileSystemProvider.java:177)
at java.nio.channels.FileChannel.open(FileChannel.java:287) at
java.nio.channels.FileChannel.open(FileChannel.java:335) at
org.apache.lucene.store.NativeFSLock.obtain(NativeFSLockFactory.java:167)
at org.apache.lucene.store.Lock.obtain(Lock.java:77) at
org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:755) at
org.apache.solr.update.SolrIndexWriter.<init>(SolrIndexWriter.java:77)
at org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:64)
at
org.apache.solr.update.DefaultSolrCoreState.createMainIndexWriter(DefaultSolrCoreState.java:284)
at
org.apache.solr.update.DefaultSolrCoreState.getIndexWriter(DefaultSolrCoreState.java:116)
at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1537) ... 10
more ,code=500}</p><p><b>Description</b> The server encountered an
unexpected condition that prevented it from fulfilling the request.</p><hr
class="line" /><h3>Apache Tomcat/9.0.31 (Ubuntu)</h3></body></html>
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