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Posted to dev@lucene.apache.org by "Andrzej Bialecki (JIRA)" <ji...@apache.org> on 2019/04/03 18:02:04 UTC
[jira] [Created] (SOLR-13368) SchemaManager failures when
processing schema update requests
Andrzej Bialecki created SOLR-13368:
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Summary: SchemaManager failures when processing schema update requests
Key: SOLR-13368
URL: https://issues.apache.org/jira/browse/SOLR-13368
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Affects Versions: 8.0, 8.1, master (9.0)
Reporter: Andrzej Bialecki
Assignee: Andrzej Bialecki
When sending a schema update requests occasionally {{SchemaManager}} produces this error:
{code:java}
[junit4] 2> 508295 ERROR (qtp1376110895-5901) [n:127.0.0.1:48080_solr c:.system s:shard1 r:core_node2 x:.system_shard1_replica_n1] o.a.s.h.RequestHandlerBase org.apache.solr.common.SolrException: Error reading input String Can't find resource 'schema.xml' in classpath or '/configs/.system', cwd=/var/lib/jenkins/jobs/Lucene-Solr-tests-master/workspace/solr/build/solr-core/test/J5
[junit4] 2> at org.apache.solr.handler.SchemaHandler.handleRequestBody(SchemaHandler.java:94)
[junit4] 2> at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)
[junit4] 2> at org.apache.solr.core.SolrCore.execute(SolrCore.java:2566)
[junit4] 2> at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:711)
[junit4] 2> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:516)
[junit4] 2> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:394)
[junit4] 2> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:340)
[junit4] 2> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
[junit4] 2> at org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:165)
[junit4] 2> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
[junit4] 2> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
[junit4] 2> at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
[junit4] 2> at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
[junit4] 2> at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
[junit4] 2> at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
[junit4] 2> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
[junit4] 2> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
[junit4] 2> at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
[junit4] 2> at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
[junit4] 2> at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
[junit4] 2> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
[junit4] 2> at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:703)
[junit4] 2> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
[junit4] 2> at org.eclipse.jetty.server.Server.handle(Server.java:502)
[junit4] 2> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
[junit4] 2> at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
[junit4] 2> at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
[junit4] 2> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
[junit4] 2> at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
[junit4] 2> at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
[junit4] 2> at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
[junit4] 2> at java.lang.Thread.run(Thread.java:748)
[junit4] 2> Caused by: org.apache.solr.core.SolrResourceNotFoundException: Can't find resource 'schema.xml' in classpath or '/configs/.system', cwd=/var/lib/jenkins/jobs/Lucene-Solr-tests-master/workspace/solr/build/solr-core/test/J5
[junit4] 2> at org.apache.solr.cloud.ZkSolrResourceLoader.openResource(ZkSolrResourceLoader.java:130)
[junit4] 2> at org.apache.solr.schema.SchemaManager.getFreshManagedSchema(SchemaManager.java:422)
[junit4] 2> at org.apache.solr.schema.SchemaManager.doOperations(SchemaManager.java:105)
[junit4] 2> at org.apache.solr.schema.SchemaManager.performOperations(SchemaManager.java:83)
[junit4] 2> at org.apache.solr.handler.SchemaHandler.handleRequestBody(SchemaHandler.java:90)
[junit4] 2> ... 31 more
{code}
This happens for regular SolrCloud collections bootstrapped from file-based configs. If the configuration allows schema editing then {{solr.xml}} should be initially present in ZK, then it's replaced by {{managed-schema}} but a backup {{solr.xml.bak}} file still exists in ZK. In this situation {{SchemaManager}} should not complain about the missing {{solr.xml}} file.
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