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https://issues.apache.org/jira/browse/SOLR-5814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13920139#comment-13920139
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Hoss Man commented on SOLR-5814:
--------------------------------
As an example, i did this...
{noformat}
hossman@frisbee:~/lucene/4x_dev/solr/example$ echo "giberish" >
solr/collection1/conf/solrconfig.xml
{noformat}
And then started solr and got this...
{noformat}
1450 [main] INFO org.apache.solr.core.CoresLocator – Looking for core
definitions underneath /home/hossman/lucene/4x_dev/solr/example/solr
1457 [main] INFO org.apache.solr.core.CoresLocator – Found core collection1
in /home/hossman/lucene/4x_dev/solr/example/solr/collection1/
1467 [main] INFO org.apache.solr.core.CoresLocator – Found 1 core definitions
1470 [coreLoadExecutor-4-thread-1] INFO org.apache.solr.core.CoreContainer –
Creating SolrCore 'collection1' using instanceDir:
/home/hossman/lucene/4x_dev/solr/example/solr/collection1
1470 [coreLoadExecutor-4-thread-1] INFO
org.apache.solr.core.SolrResourceLoader – new SolrResourceLoader for
directory: '/home/hossman/lucene/4x_dev/solr/example/solr/collection1/'
1568 [coreLoadExecutor-4-thread-1] ERROR org.apache.solr.core.Config –
Exception during parsing file: solrconfig.xml:org.xml.sax.SAXParseException;
systemId: solrres:/solrconfig.xml; lineNumber: 1; columnNumber: 1; Content is
not allowed in prolog.
at
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:198)
at
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:177)
at
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:441)
at
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:368)
at
com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1436)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:999)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
...
at org.apache.solr.core.Config.<init>(Config.java:134)
at org.apache.solr.core.Config.<init>(Config.java:86)
at org.apache.solr.core.SolrConfig.<init>(SolrConfig.java:140)
at
org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:527)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:597)
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:258)
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:250)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
1570 [coreLoadExecutor-4-thread-1] ERROR org.apache.solr.core.CoreContainer –
Failed to load file
/home/hossman/lucene/4x_dev/solr/example/solr/collection1/solrconfig.xml
1570 [coreLoadExecutor-4-thread-1] ERROR org.apache.solr.core.CoreContainer –
Unable to create core: collection1
org.apache.solr.common.SolrException: Could not load config file
/home/hossman/lucene/4x_dev/solr/example/solr/collection1/solrconfig.xml
at
org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:530)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:597)
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:258)
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:250)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: org.apache.solr.common.SolrException: org.xml.sax.SAXParseException;
systemId: solrres:/solrconfig.xml; lineNumber: 1; columnNumber: 1; Content is
not allowed in prolog.
at org.apache.solr.core.Config.<init>(Config.java:148)
at org.apache.solr.core.Config.<init>(Config.java:86)
at org.apache.solr.core.SolrConfig.<init>(SolrConfig.java:140)
at
org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:527)
... 9 more
Caused by: org.xml.sax.SAXParseException; systemId: solrres:/solrconfig.xml;
lineNumber: 1; columnNumber: 1; Content is not allowed in prolog.
at
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:198)
...
{noformat}
Note in particular the line that says: {{1570 \[coreLoadExecutor-4-thread-1\]
ERROR org.apache.solr.core.CoreContainer – Failed to load file
*/home/hossman/lucene/4x_dev/solr/example/solr/collection1/solrconfig.xml*}}
which is also what was front and center when i tried to load the admin UI in
the browser.
If i then stop solr and naively attempt to "fix" the problem...
{noformat}
hossman@frisbee:~/lucene/4x_dev/solr/example$ mv
solr/collection1/conf/solrconfig.xml solr/collection1/solrconfig.xml
{noformat}
Restarting solr gives an even less helpful variant of the same basic error
(because there is no longer any useful root cause - the file really can't be
found, just not in the place the main error says solr is looking) ...
{noformat}
1497 [main] INFO org.apache.solr.core.CoresLocator – Found core collection1
in /home/hossman/lucene/4x_dev/solr/example/solr/collection1/
1498 [main] INFO org.apache.solr.core.CoresLocator – Found 1 core definitions
1500 [coreLoadExecutor-4-thread-1] INFO org.apache.solr.core.CoreContainer –
Creating SolrCore 'collection1' using instanceDir:
/home/hossman/lucene/4x_dev/solr/example/solr/collection1
1500 [coreLoadExecutor-4-thread-1] INFO
org.apache.solr.core.SolrResourceLoader – new SolrResourceLoader for
directory: '/home/hossman/lucene/4x_dev/solr/example/solr/collection1/'
1512 [coreLoadExecutor-4-thread-1] ERROR org.apache.solr.core.CoreContainer –
Failed to load file
/home/hossman/lucene/4x_dev/solr/example/solr/collection1/solrconfig.xml
1514 [coreLoadExecutor-4-thread-1] ERROR org.apache.solr.core.CoreContainer –
Unable to create core: collection1
org.apache.solr.common.SolrException: Could not load config file
/home/hossman/lucene/4x_dev/solr/example/solr/collection1/solrconfig.xml
at
org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:530)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:597)
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:258)
...
Caused by: java.io.IOException: Can't find resource 'solrconfig.xml' in
classpath or '/home/hossman/lucene/4x_dev/solr/example/solr/collection1/conf'
at
org.apache.solr.core.SolrResourceLoader.openResource(SolrResourceLoader.java:342)
at
org.apache.solr.core.SolrResourceLoader.openConfig(SolrResourceLoader.java:288)
at org.apache.solr.core.Config.<init>(Config.java:116)
at org.apache.solr.core.Config.<init>(Config.java:86)
at org.apache.solr.core.SolrConfig.<init>(SolrConfig.java:140)
at
org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:527)
... 9 more
1517 [coreLoadExecutor-4-thread-1] ERROR org.apache.solr.core.CoreContainer –
null:org.apache.solr.common.SolrException: Unable to create core: collection1
at
org.apache.solr.core.CoreContainer.recordAndThrow(CoreContainer.java:989)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:606)
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:258)
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:250)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
{noformat}
> CoreContainer reports incorrect & missleading path for solrconfig.xml when
> there are loading problems
> -----------------------------------------------------------------------------------------------------
>
> Key: SOLR-5814
> URL: https://issues.apache.org/jira/browse/SOLR-5814
> Project: Solr
> Issue Type: Bug
> Reporter: Hoss Man
>
> The error messages thrown by CoreContainer when there is a problem loading
> solrconfig.xml refer to the wrong path (leaves out "conf/").
> This is missleading users (who may not notice the root cause) into thinking
> they need to move their solrconfig.xml from
> {{collection_name/conf/solrconfig.xml}} to {{collection_name/solrconfig.xml}}
> at which point they still get the same error message because solr still can't
> find the file in the conf dir
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