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https://issues.apache.org/jira/browse/SOLR-8073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14876143#comment-14876143
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Alexandre Rafalovitch commented on SOLR-8073:
---------------------------------------------
This happens because Solr cannot resolve the cores when using relative path to
**-s** parameter.
When using relative path:
{quote}
INFO - 2015-09-18 16:11:47.281; [ ] org.apache.solr.core.SolrResourceLoader;
using system property solr.solr.home:
c:\Projects\solr-5.3.1\example\techproducts\solr
INFO - 2015-09-18 16:11:47.281; [ ] org.apache.solr.core.SolrResourceLoader;
new SolrResourceLoader for directory:
'c:\Projects\solr-5.3.1\example\techproducts\solr\'
INFO - 2015-09-18 16:11:47.411; [ ] org.apache.solr.core.SolrXmlConfig;
Loading container configuration from
c:\Projects\solr-5.3.1\example\techproducts\solr\solr.xml
INFO - 2015-09-18 16:11:47.471; [ ]
org.apache.solr.core.CorePropertiesLocator; Config-defined core root directory:
c:\Projects\solr-5.3.1\example\techproducts\solr
INFO - 2015-09-18 16:11:47.491; [ ] org.apache.solr.core.CoreContainer; New
CoreContainer 807657332
INFO - 2015-09-18 16:11:47.491; [ ] org.apache.solr.core.CoreContainer;
Loading cores into CoreContainer
[instanceDir=c:\Projects\solr-5.3.1\example\techproducts\solr\]
INFO - 2015-09-18 16:11:47.491; [ ] org.apache.solr.core.CoreContainer;
loading shared library: c:\Projects\solr-5.3.1\example\techproducts\solr\lib
WARN - 2015-09-18 16:11:47.491; [ ] org.apache.solr.core.SolrResourceLoader;
Can't find (or read) directory to add to classloader: lib (resolved as:
c:\Projects\solr-5.3.1\example\techproducts\solr\lib).
INFO - 2015-09-18 16:11:47.511; [ ]
org.apache.solr.handler.component.HttpShardHandlerFactory; created with
socketTimeout : 600000,connTimeout : 60000,maxConnectionsPerHost :
20,maxConnections : 10000,corePoolSize : 0,maximumPoolSize :
2147483647,maxThreadIdleTime : 5,sizeOfQueue : -1,fairnessPolicy :
false,useRetries : false,
INFO - 2015-09-18 16:11:47.641; [ ]
org.apache.solr.update.UpdateShardHandler; Creating UpdateShardHandler HTTP
client with params: socketTimeout=600000&connTimeout=60000&retry=true
INFO - 2015-09-18 16:11:47.641; [ ] org.apache.solr.logging.LogWatcher;
SLF4J impl is org.slf4j.impl.Log4jLoggerFactory
INFO - 2015-09-18 16:11:47.641; [ ] org.apache.solr.logging.LogWatcher;
Registering Log Listener [Log4j (org.slf4j.impl.Log4jLoggerFactory)]
INFO - 2015-09-18 16:11:47.641; [ ] org.apache.solr.core.CoreContainer;
Security conf doesn't exist. Skipping setup for authorization module.
INFO - 2015-09-18 16:11:47.641; [ ] org.apache.solr.core.CoreContainer; No
authentication plugin used.
INFO - 2015-09-18 16:11:47.681; [ ]
org.apache.solr.core.CorePropertiesLocator; Looking for core definitions
underneath c:\Projects\solr-5.3.1\example\techproducts\solr
INFO - 2015-09-18 16:11:47.681; [ ]
org.apache.solr.core.CorePropertiesLocator; Found 0 core definitions
INFO - 2015-09-18 16:11:47.681; [ ]
org.apache.solr.servlet.SolrDispatchFilter;
user.dir=c:\Projects\solr-5.3.1\server
{quote}
When using absolute path:
{quote}
INFO - 2015-09-18 18:49:06.548; [ ] org.apache.solr.core.SolrResourceLoader;
using system property solr.solr.home:
c:\Projects\solr-5.3.1\example\techproducts\solr
INFO - 2015-09-18 18:49:06.550; [ ] org.apache.solr.core.SolrResourceLoader;
new SolrResourceLoader for directory:
'c:\Projects\solr-5.3.1\example\techproducts\solr\'
INFO - 2015-09-18 18:49:06.693; [ ] org.apache.solr.core.SolrXmlConfig;
Loading container configuration from
c:\Projects\solr-5.3.1\example\techproducts\solr\solr.xml
INFO - 2015-09-18 18:49:06.771; [ ]
org.apache.solr.core.CorePropertiesLocator; Config-defined core root directory:
c:\Projects\solr-5.3.1\example\techproducts\solr
INFO - 2015-09-18 18:49:06.796; [ ] org.apache.solr.core.CoreContainer; New
CoreContainer 807657332
INFO - 2015-09-18 18:49:06.796; [ ] org.apache.solr.core.CoreContainer;
Loading cores into CoreContainer
[instanceDir=c:\Projects\solr-5.3.1\example\techproducts\solr\]
INFO - 2015-09-18 18:49:06.796; [ ] org.apache.solr.core.CoreContainer;
loading shared library: c:\Projects\solr-5.3.1\example\techproducts\solr\lib
WARN - 2015-09-18 18:49:06.797; [ ] org.apache.solr.core.SolrResourceLoader;
Can't find (or read) directory to add to classloader: lib (resolved as:
c:\Projects\solr-5.3.1\example\techproducts\solr\lib).
INFO - 2015-09-18 18:49:06.817; [ ]
org.apache.solr.handler.component.HttpShardHandlerFactory; created with
socketTimeout : 600000,connTimeout : 60000,maxConnectionsPerHost :
20,maxConnections : 10000,corePoolSize : 0,maximumPoolSize :
2147483647,maxThreadIdleTime : 5,sizeOfQueue : -1,fairnessPolicy :
false,useRetries : false,
INFO - 2015-09-18 18:49:06.974; [ ]
org.apache.solr.update.UpdateShardHandler; Creating UpdateShardHandler HTTP
client with params: socketTimeout=600000&connTimeout=60000&retry=true
INFO - 2015-09-18 18:49:06.977; [ ] org.apache.solr.logging.LogWatcher;
SLF4J impl is org.slf4j.impl.Log4jLoggerFactory
INFO - 2015-09-18 18:49:06.978; [ ] org.apache.solr.logging.LogWatcher;
Registering Log Listener [Log4j (org.slf4j.impl.Log4jLoggerFactory)]
INFO - 2015-09-18 18:49:06.979; [ ] org.apache.solr.core.CoreContainer;
Security conf doesn't exist. Skipping setup for authorization module.
INFO - 2015-09-18 18:49:06.980; [ ] org.apache.solr.core.CoreContainer; No
authentication plugin used.
INFO - 2015-09-18 18:49:07.021; [ ]
org.apache.solr.core.CorePropertiesLocator; Looking for core definitions
underneath c:\Projects\solr-5.3.1\example\techproducts\solr
INFO - 2015-09-18 18:49:07.045; [ ] org.apache.solr.core.CoreDescriptor;
Created CoreDescriptor: {name=techproducts, config=solrconfig.xml,
transient=false, schema=schema.xml, loadOnStartup=true,
configSetProperties=configsetprops.json,
instanceDir=c:\Projects\solr-5.3.1\example\techproducts\solr\techproducts,
absoluteInstDir=c:\Projects\solr-5.3.1\example\techproducts\solr\techproducts\,
dataDir=data\}
INFO - 2015-09-18 18:49:07.046; [ ]
org.apache.solr.core.CorePropertiesLocator; Found core techproducts in
c:\Projects\solr-5.3.1\example\techproducts\solr\techproducts\
INFO - 2015-09-18 18:49:07.046; [ ]
org.apache.solr.core.CorePropertiesLocator; Found 1 core definitions
INFO - 2015-09-18 18:49:07.050; [ ] org.apache.solr.core.SolrResourceLoader;
new SolrResourceLoader for directory:
'c:\Projects\solr-5.3.1\example\techproducts\solr\techproducts\'
INFO - 2015-09-18 18:49:07.051; [ ]
org.apache.solr.servlet.SolrDispatchFilter;
user.dir=c:\Projects\solr-5.3.1\server
{quote}
Notice how all the paths are the same in the logs, yet the effects are
different. This means something somewhere is not resolving a directory
correctly. The exception in the description then shadows the real problem of -
mistakenly - not finding a core (NPE is at *cores.X* method).
> authenticateRequest NPE on techproducts collection after restart
> ----------------------------------------------------------------
>
> Key: SOLR-8073
> URL: https://issues.apache.org/jira/browse/SOLR-8073
> Project: Solr
> Issue Type: Bug
> Components: examples
> Affects Versions: 5.3
> Environment: Windows 7
> Reporter: Alexandre Rafalovitch
>
> Clean 5.3 (and 5.3.1 RC3) on Windows:
> * bin\solr start -e techproducts
> * Visit Admin UI - all works
> * bin\solr stop -all
> * bin\solr start -s example\techproducts\solr
> * ERROR: Solr at http://localhost:8983/solr did not come online within 30
> seconds!
> * Visit Admin UI - get an error:
> {quote}
> HTTP ERROR 500
> Problem accessing /solr/. Reason:
> Server Error
> Caused by:
> java.lang.NullPointerException
> at
> org.apache.solr.servlet.SolrDispatchFilter.authenticateRequest(SolrDispatchFilter.java:237)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:186)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:179)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
> at
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
> at org.eclipse.jetty.server.Server.handle(Server.java:499)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
> at
> org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
> at java.lang.Thread.run(Thread.java:745)
> {quote}
> Possibly related to SOLR-8068?
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