- Fix not finding the parquet-schema files when the app was run inside a Docker Container.
- Update the "namespaces" and the "names" inside the parquet schemas. - Code polishing.
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95c38c4a24
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@ -54,7 +54,7 @@ public class ImpalaConnector {
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private void createDatabase()
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{
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if ( isTestEnvironment ) {
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logger.info("Going to create (if not exist) the test-database \"" + testDatabaseName + "\" and its tables. Also will fill some tables with data from initial-database \"" + initialDatabaseName + "\".");
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logger.info("Going to create (if not exist) the test-database \"" + testDatabaseName + "\" and its tables. Also will fill some tables with data from the initial-database \"" + initialDatabaseName + "\".");
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jdbcTemplate.execute("CREATE DATABASE IF NOT EXISTS " + testDatabaseName);
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jdbcTemplate.execute("CREATE TABLE IF NOT EXISTS " + testDatabaseName + ".publication stored as parquet as select * from " + initialDatabaseName + ".publication");
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@ -184,10 +184,12 @@ public class FileUtils {
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// Request the full-texts in batches, compressed in zip.
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int numOfBatches = (numAllFullTexts / numOfFullTextsPerBatch);
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if ( (numAllFullTexts % numOfFullTextsPerBatch) > 0 ) // Add an extra batch for the remaining files. This guarantees at least one batch will exist no matter how few (>0) the files are.
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numOfBatches ++;
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logger.debug("The assignments_" + assignmentsBatchCounter + " have " + numAllFullTexts + " distinct non-already-uploaded fullTexts. Going to request them from the Worker \"" + workerId + "\", in " + numOfBatches + " batches.");
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int remainingFiles = (numAllFullTexts % numOfFullTextsPerBatch);
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if ( remainingFiles > 0 ) { // Add an extra batch for the remaining files. This guarantees at least one batch will exist no matter how few (>0) the files are.
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numOfBatches++;
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logger.debug("The assignments_" + assignmentsBatchCounter + " have " + numAllFullTexts + " distinct non-already-uploaded fullTexts. Going to request them from the Worker \"" + workerId + "\", in " + numOfBatches + " batches (" + numOfFullTextsPerBatch + " files each, except for the final batch, which will have " + remainingFiles + " files).");
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} else
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logger.debug("The assignments_" + assignmentsBatchCounter + " have " + numAllFullTexts + " distinct non-already-uploaded fullTexts. Going to request them from the Worker \"" + workerId + "\", in " + numOfBatches + " batches (" + numOfFullTextsPerBatch + " files each).");
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// Check if one full text is left out because of the division. Put it int the last batch.
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String baseUrl = "http://" + remoteAddr + ":1881/api/full-texts/getFullTexts/" + assignmentsBatchCounter + "/" + numOfBatches + "/";
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@ -24,6 +24,7 @@ import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.core.io.ClassPathResource;
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import org.springframework.jdbc.core.JdbcTemplate;
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import org.springframework.stereotype.Component;
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@ -63,11 +64,9 @@ public class ParquetFileUtils {
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private final String hdfsUserName;
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@Value("${schema.payload.filePath}")
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String payloadSchemaFilePath;
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private final String payloadSchemaFilePath = "schemas/payload.avsc";
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@Value("${schema.attempt.filePath}")
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String attemptSchemaFilePath;
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private final String attemptSchemaFilePath = "schemas/attempt.avsc";
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public Schema payloadsSchema;
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public Schema attemptsSchema;
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@ -78,7 +77,6 @@ public class ParquetFileUtils {
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public final String parquetHDFSDirectoryPathPayloads;
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public ParquetFileUtils(@Value("${hdfs.baseUrl}") String webHDFSBaseUrl,
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@Value("${hdfs.httpAuth}") String hdfsHttpAuthString, @Value("${hdfs.userName}") String hdfsUserName, @Value("${hdfs.password}") String hdfsPassword, @Value("${output.parquetLocalDirectoryPath}") String parquetBaseDirectoryPath,
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@Value("${hdfs.parquetRemoteBaseDirectoryPath}") String hdfsParquetBaseDir, FileUtils fileUtils) throws IOException
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@ -111,9 +109,8 @@ public class ParquetFileUtils {
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this.parquetBaseLocalDirectoryPath = parquetBaseDirectoryPath;
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java.nio.file.Path parquetDirPath = Paths.get(this.parquetBaseLocalDirectoryPath);
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if ( !Files.isDirectory(parquetDirPath) ) {
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if ( !Files.isDirectory(parquetDirPath) )
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Files.createDirectories(parquetDirPath);
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}
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// Create the remote directories for uploading the parquet-files, if those directories do not exist.
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// The limited-permissions user in use, does not have permission to acces other users' created directories, so we have to make sure it creates its own.
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@ -128,9 +125,9 @@ public class ParquetFileUtils {
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}
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public Schema parseSchema(String schemaFilePath) {
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public Schema parseSchema(String schemaResourcePath) {
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try {
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return (new Schema.Parser()).parse(Files.newInputStream(Paths.get(schemaFilePath)));
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return (new Schema.Parser()).parse(new ClassPathResource(schemaResourcePath).getInputStream());
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} catch (Throwable e) {
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logger.error("", e);
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return null;
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@ -172,7 +169,7 @@ public class ParquetFileUtils {
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{
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if ( (payloadsSchema == null) // Parse the schema if it's not already parsed.
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&& ((payloadsSchema = parseSchema(payloadSchemaFilePath)) == null ) ) {
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logger.error("Nothing can be done without the payloadsSchema. Exiting.."); // The cause is already logged inside the above method.
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logger.error("Nothing can be done without the payloadsSchema! Exiting.."); // The cause is already logged inside the above method.
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System.exit(88); // Exit the whole app, as it cannot add the results to the database!
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}
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callableTasks.add(() -> { // Handle inserts to the "payload" table. Around 20% of the total amount.
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@ -183,7 +180,7 @@ public class ParquetFileUtils {
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if ( (attemptsSchema == null) // Parse the schema if it's not already parsed.
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&& ((attemptsSchema = parseSchema(attemptSchemaFilePath)) == null ) ) {
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logger.error("Nothing can be done without the attemptsSchema. Exiting.."); // The cause is already logged inside the above method.
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logger.error("Nothing can be done without the attemptsSchema! Exiting.."); // The cause is already logged inside the above method.
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System.exit(89); // Exit the whole app, as it cannot add the results to the database!
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}
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@ -325,8 +322,9 @@ public class ParquetFileUtils {
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writer.write(record);
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}
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} catch (Throwable e) { // The simple "Exception" may not be thrown here, but an "Error" may be thrown. "Throwable" catches EVERYTHING!
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logger.error("Problem when creating the \"ParquetWriter\" object or when writing a record with it!", e); // Last time, I got an "NoSuchMethodError", because of a problem in the AvroSchema file: (java.lang.NoSuchMethodError: org.apache.avro.Schema.getLogicalType()Lorg/apache/avro/LogicalType;).
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// {"name": "date", "type" : ["null", {"type" : "long", "logicalType" : "timestamp-millis"}]},
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logger.error("Problem when creating the \"ParquetWriter\" object or when writing a record with it!", e);
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// At some point, I got an "NoSuchMethodError", because of a problem in the AvroSchema file: (java.lang.NoSuchMethodError: org.apache.avro.Schema.getLogicalType()Lorg/apache/avro/LogicalType;).
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// The error was with the schema: {"name": "date", "type" : ["null", {"type" : "long", "logicalType" : "timestamp-millis"}]},
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return false;
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}
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@ -60,8 +60,6 @@ hdfs.httpAuth=
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hdfs.userName=
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hdfs.password=
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schema.payload.filePath=src/main/resources/schemas/payload.avsc
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schema.attempt.filePath=src/main/resources/schemas/attempt.avsc
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output.parquetLocalDirectoryPath=parquetFiles/
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hdfs.parquetRemoteBaseDirectoryPath=/tmp/parquet_uploads/
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@ -1,7 +1,7 @@
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{
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"type": "record",
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"namespace": "UrlsController",
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"name": "Attempt",
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"namespace": "eu.openaire.urls_controller",
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"name": "eu.openaire.urls_controller.Attempt",
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"fields": [
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{"name": "id", "type": "string"},
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{"name": "original_url", "type": "string"},
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@ -1,7 +1,7 @@
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{
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"type": "record",
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"namespace": "UrlsController",
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"name": "Payload",
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"namespace": "eu.openaire.urls_controller",
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"name": "eu.openaire.urls_controller.Payload",
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"fields": [
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{"name": "id", "type": "string"},
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{"name": "original_url", "type": "string"},
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