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https://issues.apache.org/jira/browse/SOLR-5322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14123201#comment-14123201
]
ASF subversion and git services commented on SOLR-5322:
-------------------------------------------------------
Commit 1622745 from [~erickoerickson] in branch 'dev/trunk'
[ https://svn.apache.org/r1622745 ]
SOLR-5322: core discovery can fail w/NPE and no explanation if a non-readable
directory exists
> core discovery can fail w/NPE and no explanation if a non-readable directory
> exists
> -----------------------------------------------------------------------------------
>
> Key: SOLR-5322
> URL: https://issues.apache.org/jira/browse/SOLR-5322
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.5
> Environment: Centos 6.4
> tomcat6
> Reporter: Said Chavkin
> Assignee: Erick Erickson
> Attachments: SOLR-5322.patch, SOLR-5322.patch, SOLR-5322.patch
>
>
> Core discovery doesn't behave well if it encounters a directory it can't
> read. We should either make core discover log & ignore directories such as
> this, or improve the error message in such a situation if we think it should
> be fatale.
> steps to reproduce...
> {noformat}
> hossman@frisbee:~/lucene/4x_dev/solr/example$ mkdir solr/NO_READ
> hossman@frisbee:~/lucene/4x_dev/solr/example$ chmod a-r solr/NO_READ/
> hossman@frisbee:~/lucene/4x_dev/solr/example$ java -jar start.jar
> ...
> 1434 [main] ERROR org.apache.solr.servlet.SolrDispatchFilter – Could not
> start Solr. Check solr/home property and the logs
> 1452 [main] ERROR org.apache.solr.core.SolrCore –
> null:java.lang.NullPointerException
> at
> org.apache.solr.core.CorePropertiesLocator.discoverUnder(CorePropertiesLocator.java:131)
> at
> org.apache.solr.core.CorePropertiesLocator.discoverUnder(CorePropertiesLocator.java:140)
> at
> org.apache.solr.core.CorePropertiesLocator.discover(CorePropertiesLocator.java:123)
> at org.apache.solr.core.CoreContainer.load(CoreContainer.java:240)
> {noformat}
> {panel:title="original bug report"}
> Hello.
> When in solr/home directory exists directory to which solr do not have
> rights, then solr failed to start with exception
> {noformat}
> 2108 [main] INFO org.apache.solr.core.CoresLocator - Looking for core
> definitions underneath /var/lib/solr
> 2109 [main] ERROR org.apache.solr.servlet.SolrDispatchFilter - Could not
> start Solr. Check solr/home property and the logs
> 2138 [main] ERROR org.apache.solr.core.SolrCore -
> null:java.lang.NullPointerException
> at
> org.apache.solr.core.CorePropertiesLocator.discoverUnder(CorePropertiesLocator.java:121)
> at
> org.apache.solr.core.CorePropertiesLocator.discoverUnder(CorePropertiesLocator.java:130)
> at
> org.apache.solr.core.CorePropertiesLocator.discover(CorePropertiesLocator.java:113)
> at org.apache.solr.core.CoreContainer.load(CoreContainer.java:226)
> at
> org.apache.solr.servlet.SolrDispatchFilter.createCoreContainer(SolrDispatchFilter.java:177)
> at
> org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:127)
> at
> org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295)
> at
> org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422)
> at
> org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)
> at
> org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3838)
> at
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4488)
> at
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
> at
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
> at
> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
> at
> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:637)
> at
> org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:563)
> at
> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:498)
> at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277)
> at
> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321)
> at
> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
> at
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
> at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
> at
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
> at
> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
> at
> org.apache.catalina.core.StandardService.start(StandardService.java:516)
> at
> org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
> at org.apache.catalina.startup.Catalina.start(Catalina.java:593)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
> at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
> 2138 [main] INFO org.apache.solr.servlet.SolrDispatchFilter -
> SolrDispatchFilter.init() done
> {noformat}
> For example:
> solr home located on /var/lib/solr
> /var/lib/solr is another file system, it has lost+found directory.
> As result solr can't to star.
> Yours faithfully.
> {panel}
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