[
https://issues.apache.org/jira/browse/SOLR-5119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13737272#comment-13737272
]
Steve Rowe commented on SOLR-5119:
----------------------------------
I was able to reproduce both problems, in standalone mode and in SolrCloud mode.
Steps to reproduce in standalone mode: start the example in managed schema
mode; add one or more fields via the REST API (e.g. the {{curl}} add fields
command given in the description), then either reload the core or view the
schema from the admin UI.
The source of both problems is the same: {{ManagedIndexSchema.shallowCopy()}}
doesn't set {{resourceName}} at all, and then when it's referenced an NPE
occurs:
{noformat}
382354 [qtp1973711593-30] INFO org.apache.solr.servlet.SolrDispatchFilter –
[admin] webapp=null path=/admin/cores
params={action=RELOAD&_=1376332774482&core=collection1&wt=json} status=500
QTime=195
382355 [qtp1973711593-30] ERROR org.apache.solr.servlet.SolrDispatchFilter –
null:org.apache.solr.common.SolrException: Error handling 'reload' action
at
org.apache.solr.handler.admin.CoreAdminHandler.handleReloadAction(CoreAdminHandler.java:671)
at
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:172)
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
at
org.apache.solr.servlet.SolrDispatchFilter.handleAdminRequest(SolrDispatchFilter.java:618)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:158)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1075)
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
at
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handle(Server.java:368)
at
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
at
org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53)
at
org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:942)
at
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1004)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:640)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
at
org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72)
at
org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
at java.lang.Thread.run(Thread.java:724)
Caused by: org.apache.solr.common.SolrException: Unable to reload core:
collection1
at
org.apache.solr.core.CoreContainer.recordAndThrow(CoreContainer.java:930)
at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:685)
at
org.apache.solr.handler.admin.CoreAdminHandler.handleReloadAction(CoreAdminHandler.java:669)
... 30 more
Caused by: java.lang.NullPointerException
at
org.apache.solr.schema.ManagedIndexSchemaFactory.warnIfNonManagedSchemaExists(ManagedIndexSchemaFactory.java:222)
at
org.apache.solr.schema.ManagedIndexSchemaFactory.readSchemaLocally(ManagedIndexSchemaFactory.java:197)
at
org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSchemaFactory.java:118)
at
org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSchemaFactory.java:45)
at
org.apache.solr.schema.IndexSchemaFactory.buildIndexSchema(IndexSchemaFactory.java:69)
at org.apache.solr.core.SolrCore.reload(SolrCore.java:404)
at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:675)
... 31 more
{noformat}
>From {{ManagedIndexSchemaFactory.warnIfNonManagedSchemaExists()}}:
{code:java}
221: private void warnIfNonManagedSchemaExists() {
222: if ( ! resourceName.equals(managedSchemaResourceName)) {
{code}
> Managed schema problems after adding fields via Schema Rest API
> ----------------------------------------------------------------
>
> Key: SOLR-5119
> URL: https://issues.apache.org/jira/browse/SOLR-5119
> Project: Solr
> Issue Type: Bug
> Components: Schema and Analysis
> Affects Versions: 4.4
> Reporter: NilsK
> Assignee: Steve Rowe
> Priority: Critical
>
> After adding fields with the Schema API the schema cannot be shown on the
> Admin UI anymore and reloading the Collection/Core throws an
> NullPointerException. The schema itself seems to work.
> Steps to reproduce:
> 1. enable managed schema in example/solr/collection1/conf/solrconfig.xml
> 2. upload that config
> {code}sh example/cloud-scripts/zkcli.sh -z localhost:8575 -cmd upconfig -d
> example/solr/collection1/conf/ -n myconfig{code}
> 3. create a new collection
> {code}curl
> "http://localhost:8983/solr/admin/collections?action=CREATE&name=mycollection&numShards=1&replicationFactor=1&collection.configName=myconfig"{code}
> 4. add some fields
> {code}curl http://localhost:8983/solr/mycollection/schema/fields -X POST -H
> 'Content-type:application/json' --data-binary '[
> {
> "name": "my_field",
> "type": "string",
> "stored": true,
> "indexed": true
> },
> {
> "name": "my_field2",
> "type": "string",
> "stored": true,
> "indexed": true
> }
> ]'{code}
> 5. *Problem 1*:
> http://localhost:8983/solr/#/mycollection_shard1_replica1/schema
> {code}
> <?xml version="1.0" encoding="UTF-8"?>
> <response>
> <lst name="responseHeader"><int name="status">404</int><int
> name="QTime">2</int></lst><lst name="error"><str name="msg">Can not find:
> /configs/myconfig/null</str><int name="code">404</int></lst>
> </response>
> {code}
> 6. *Problem 2*:
> http://localhost:8983/solr/admin/collections?action=RELOAD&name=mycollection
> {code}
> <response>
> <lst name="responseHeader"><int name="status">0</int><int
> name="QTime">845</int></lst><lst name="failure"><str
> name="10.147.252.2:8983_solr">org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException:Server
> at http://10.147.252.2:8983/solr returned non ok status:500, message:Server
> Error</str></lst>
> </response>
> {code}
> 7. when restarting Solr, both 5 and 6 work
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