I'm following the django documentation to integrate solr with django-Oscar.I'm getting the following error when trying to rebuild the index.How can I fix this issue?
$python3 manage.py rebuild_index --noinput Removing all documents from your index because you said so. Failed to clear Solr index: Solr responded with an error (HTTP 500): [Reason: Error 500 {msg=SolrCore 'collection1' is not available due to init failure: Schema Parsing Failed: unknown field 'id'. Schema file is /project/solr-4.7.2/example/solr/collection1/schema.xml,trace=org.apache.solr.common.SolrException: SolrCore 'collection1' is not available due to init failure: Schema Parsing Failed: unknown field 'id'. Schema file is /project/solr-4.7.2/example/solr/collection1/schema.xml at org.apache.solr.core.CoreContainer.getCore(CoreContainer.java:827) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:305) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:205) at org.eclipse.jetty.servlet.ServletHandler$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.content(AbstractHttpConnection.java:953) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1014) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:861) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240) at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72) at org.eclipse.jetty.server.bio.SocketConnector$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:748) Caused by: org.apache.solr.common.SolrException: Schema Parsing Failed: unknown field 'id'. Schema file is /project/solr-4.7.2/example/solr/collection1/schema.xml at org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:618) at org.apache.solr.schema.IndexSchema.(IndexSchema.java:166) at org.apache.solr.schema.IndexSchemaFactory.create(IndexSchemaFactory.java:55) at org.apache.solr.schema.IndexSchemaFactory.buildIndexSchema(IndexSchemaFactory.java:69) at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:559) at org.apache.solr.core.CoreContainer.create(CoreContainer.java:597) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:258) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:250) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ... 1 more Caused by: java.lang.RuntimeException: unknown field 'id' at org.apache.solr.schema.IndexSchema.getIndexedField(IndexSchema.java:340) at org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:536) ... 13 more ,code=500}] Traceback (most recent call last): File "/home/asanka/.local/lib/python3.5/site-packages/haystack/backends/solr_backend.py", line 105, in clear self.conn.delete(q='*:*', commit=commit) File "/home/asanka/.local/lib/python3.5/site-packages/pysolr.py", line 948, in delete return self._update(m, commit=commit, softCommit=softCommit, waitFlush=waitFlush, waitSearcher=waitSearcher, handler=handler) File "/home/asanka/.local/lib/python3.5/site-packages/pysolr.py", line 488, in _update return self._send_request('post', path, message, {'Content-type': 'text/xml; charset=utf-8'}) File "/home/asanka/.local/lib/python3.5/site-packages/pysolr.py", line 403, in _send_request raise SolrError(error_message % (resp.status_code, solr_message)) pysolr.SolrError: Solr responded with an error (HTTP 500): [Reason: Error 500 {msg=SolrCore 'collection1' is not available due to init failure: Schema Parsing Failed: unknown field 'id'. Schema file is /home/asanka/Music/devBranch/dailyDeal_v3/main_app/solr-4.7.2/example/solr/collection1/schema.xml,trace=org.apache.solr.common.SolrException: SolrCore 'collection1' is not available due to init failure: Schema Parsing Failed: unknown field 'id'. Schema file is /home/asanka/Music/devBranch/dailyDeal_v3/main_app/solr-4.7.2/example/solr/collection1/schema.xml at org.apache.solr.core.CoreContainer.getCore(CoreContainer.java:827) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:305) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:205) at org.eclipse.jetty.servlet.ServletHandler$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.content(AbstractHttpConnection.java:953) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1014) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:861) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240) at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72) at org.eclipse.jetty.server.bio.SocketConnector$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:748) Caused by: org.apache.solr.common.SolrException: Schema Parsing Failed: unknown field 'id'. Schema file is /home/asanka/Music/devBranch/dailyDeal_v3/main_app/solr-4.7.2/example/solr/collection1/schema.xml at org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:618) at org.apache.solr.schema.IndexSchema.(IndexSchema.java:166) at org.apache.solr.schema.IndexSchemaFactory.create(IndexSchemaFactory.java:55) at org.apache.solr.schema.IndexSchemaFactory.buildIndexSchema(IndexSchemaFactory.java:69) at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:559) at org.apache.solr.core.CoreContainer.create(CoreContainer.java:597) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:258) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:250) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ... 1 more Caused by: java.lang.RuntimeException: unknown field 'id' at org.apache.solr.schema.IndexSchema.getIndexedField(IndexSchema.java:340) at org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:536) ... 13 more ,code=500}] All documents removed.