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From Said Chavkin <schav...@gmail.com>
Subject Re: Permisions didn't check when call discoverUnder
Date Wed, 09 Oct 2013 13:43:45 GMT
I'm not sure, may be solr should skip inaccessible directory.
Because it is standard rule to place service on separate filesystem.
On the other hand it is possible to place solr/home not on the top of
mounted fs.

Anyway it would be better if error message was more clearly.

2013/10/9 Erick Erickson <erickerickson@gmail.com>:
> What do you think Solr should do in this case? If the
> process doesn't have permission to the dir, it can't
> write to it. You need to set the permissions, or the
> authority of the process that Solr is running as
> appropriately.
>
> Best,
> Erick
>
> On Wed, Oct 9, 2013 at 8:54 AM, Said Chavkin <schavkin@gmail.com> wrote:
>> Hello.
>>
>> When in solr/home directory exists directory to which solr do not have
>> rights, then solr failed to start with exception:
>>
>> 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
>>
>> For example:
>>
>> solr/home located on /var/lib/solr.
>>
>> /var/lib/solr is another file system, it has lost+found directory, and
>> only root can read from this directory.
>> As result solr can't to star.
>> It is because discovering directory to which tomcat do not have rights.
>>
>> Yours faithfully.

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