sonatype-lift[bot] commented on code in PR #1224: URL: https://github.com/apache/solr/pull/1224#discussion_r1044057928
########## solr/core/src/java/org/apache/solr/handler/admin/api/BackupCoreAPI.java: ########## @@ -0,0 +1,256 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.solr.handler.admin.api; + +import static org.apache.solr.client.solrj.impl.BinaryResponseParser.BINARY_CONTENT_TYPE_V2; +import static org.apache.solr.security.PermissionNameProvider.Name.COLL_EDIT_PERM; + +import io.swagger.v3.oas.annotations.media.Schema; +import io.swagger.v3.oas.annotations.parameters.RequestBody; +import java.net.URI; +import java.time.Instant; +import java.util.HashMap; +import java.util.Map; +import java.util.Optional; +import javax.inject.Inject; +import javax.ws.rs.POST; +import javax.ws.rs.Path; +import javax.ws.rs.PathParam; +import javax.ws.rs.Produces; +import org.apache.solr.api.JerseyResource; +import org.apache.solr.common.SolrException; +import org.apache.solr.common.annotation.JsonProperty; +import org.apache.solr.common.util.NamedList; +import org.apache.solr.core.CoreContainer; +import org.apache.solr.core.SolrCore; +import org.apache.solr.core.backup.BackupFilePaths; +import org.apache.solr.core.backup.ShardBackupId; +import org.apache.solr.core.backup.repository.BackupRepository; +import org.apache.solr.handler.IncrementalShardBackup; +import org.apache.solr.handler.SnapShooter; +import org.apache.solr.jersey.JacksonReflectMapWriter; +import org.apache.solr.jersey.PermissionName; +import org.apache.solr.jersey.SolrJerseyResponse; +import org.apache.solr.request.SolrQueryRequest; +import org.apache.solr.response.SolrQueryResponse; + +@Path(("/cores/{coreName}/backup/{name}")) +public class BackupCoreAPI extends JerseyResource { + private final SolrQueryResponse solrQueryResponse; + private final SolrQueryRequest solrQueryRequest; + private final CoreContainer coreContainer; + + @Inject + public BackupCoreAPI( + CoreContainer coreContainer, + SolrQueryRequest solrQueryRequest, + SolrQueryResponse solrQueryResponse) { + this.solrQueryResponse = solrQueryResponse; + this.solrQueryRequest = solrQueryRequest; + this.coreContainer = coreContainer; + } + + @POST + @Produces({"application/json", "application/xml", BINARY_CONTENT_TYPE_V2}) + @PermissionName(COLL_EDIT_PERM) + public BackupCoreResponse createBackup( + @Schema(description = "The name of the core.") @PathParam("coreName") String coreName, + @Schema(description = "The backup will be created in a directory called snapshot.<name>") + @PathParam("name") + String name, + @Schema(description = "The POJO for representing additional backup params.") @RequestBody + BackupCoreRequestBody backupCoreRequestBody) + throws Exception { + final BackupCoreResponse backupCoreResponse = + instantiateJerseyResponse(BackupCoreResponse.class); + try (BackupRepository repository = + coreContainer.newBackupRepository(backupCoreRequestBody.repository); + SolrCore core = coreContainer.getCore(coreName)) { + String location = repository.getBackupLocation(backupCoreRequestBody.location); + if (location == null) { + throw new SolrException( + SolrException.ErrorCode.BAD_REQUEST, + "'location' is not specified as a query" + + " parameter or as a default repository property"); + } + URI locationUri = repository.createDirectoryURI(location); + repository.createDirectory(locationUri); + + SnapShooter snapShooter = + new SnapShooter(repository, core, locationUri, name, backupCoreRequestBody.commitName); + // validateCreateSnapshot will create parent dirs instead of throw; that choice is dubious. + // But we want to throw. One reason is that this dir really should, in fact must, already + // exist here if triggered via a collection backup on a shared file system. Otherwise, + // perhaps the FS location isn't shared -- we want an error. + if (!snapShooter.getBackupRepository().exists(snapShooter.getLocation())) { Review Comment:  *NULL_DEREFERENCE:* object returned by `getBackupRepository(snapShooter)` could be null and is dereferenced at line 99. --- <details><summary><b>âšī¸ Learn about @sonatype-lift commands</b></summary> You can reply with the following commands. 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